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Staff Engineer - Backend Java at illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Role Overview Illumio is looking for a Staff Engineer focused on Backend Java development at its Sunnyvale, California headquarters. This role centers on designing and building scalable backend systems that support Illumio’s security platform. What You Will Do Design and implement backend solutions using Java Work closely with teams across engineering, produ…

Apr 16, 2026

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Senior Staff Engineer at Illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Onwards Together!At Illumio, we are at the forefront of ransomware and breach containment, transforming how organizations respond to cyberattacks and enhance operational resilience. Our cutting-edge platform, powered by the Illumio AI Security Graph, effectively identifies and mitigates threats within hybrid multi-cloud environments, preventing attacks from escalating into catastrophic events.As a recognized leader in the Forrester Wave™ for Microsegmentation, we empower organizations with Zero Trust principles, bolstering their cyber resilience across infrastructures, systems, and organizations that are vital to global operations.Location: Onsite, Sunnyvale, California (5 days a week in the office)Our Team's Vision:Our Engineering team fosters a culture characterized by visionary leadership, autonomy, and ownership, creating a dynamic synergy that propels us forward in the fast-paced field of cybersecurity.Joining our team means becoming part of a leader in Zero Trust Segmentation. You will engage with a state-of-the-art technology stack encompassing operating systems, distributed applications, and advanced UI/visualization tools.We are shaping the future of cybersecurity together, developing world-class products guided by diverse perspectives, backgrounds, and an unwavering commitment to innovation during a time of unprecedented cybersecurity challenges.Your Impact:Developing containerized microservices for a distributed multi-tenant system that processes data, real-time events, and network telemetry from various public clouds to deliver real-time insights, visibility, and security recommendations to our customers, helping them minimize cloud risks.Designing and architecting the platform and subsystems, detailing every aspect, defending your design and architecture to peers, and ensuring robust implementation.Mentoring junior engineers, new graduates, and interns to foster their growth and productivity within the team.Primarily coding in Go while working with data pipelines using SQL or other interfaces. Experience with Kubernetes for service infrastructure is a plus; we welcome candidates from diverse programming backgrounds who are eager to learn.Owning critical features and subsystems throughout the software development lifecycle, from clarifying requirements to ensuring successful deployment and customer usage.

Mar 23, 2026

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Staff Engineer, Cloud Security at Illumio | Sunnyvale, CA

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Illumio’s engineering team in Sunnyvale, California, is looking for a Staff Engineer focused on cloud security. This position centers on building and maintaining scalable, resilient solutions that help organizations manage risk across hybrid and multi-cloud environments. The team values autonomy, leadership, and a collaborative approach to solving complex cybersecurity problems. What you will do Develop containerized microservices for a distributed, multi-tenant platform that processes data, real-time events, and network telemetry from various public clouds. These services provide real-time insights, visibility, and actionable security recommendations to clients. Design and present service architectures, defend technical choices to peers, and deliver high-quality, reliable implementations. Mentor junior engineers, recent graduates, and interns, helping them grow and contribute effectively. Write code primarily in Go and work with data pipelines using SQL or similar technologies. The team welcomes candidates with diverse programming backgrounds who are willing to learn. Take ownership of critical features and subsystems, managing all phases of the software development lifecycle, from clarifying requirements through deployment and user adoption. Monitor and maintain the operational health of the system, addressing challenges and drawing lessons from real-world deployments. Team culture Engineers at Illumio work with a modern technology stack that covers multiple operating systems, distributed applications, and advanced UI and visualization tools. The group emphasizes ownership and resilience, supporting each other as they tackle some of cybersecurity’s toughest challenges. Location This role is based at Illumio’s headquarters in Sunnyvale, California.

Apr 22, 2026

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Director of Engineering at Illumio | Sunnyvale, CA

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Onwards Together!At Illumio, we are at the forefront of ransomware and breach containment, transforming how organizations tackle cyberattacks and promote operational resilience. Our innovative breach containment platform, powered by the Illumio AI Security Graph, effectively identifies and mitigates threats across hybrid multi-cloud environments, halting the escalation of attacks before they can cause significant damage.As a recognized leader in the Forrester Wave™ for Microsegmentation, Illumio champions Zero Trust principles, enhancing cyber resilience for the infrastructures, systems, and organizations that sustain our world.Location: This role requires on-site work five days a week at our Sunnyvale, CA Headquarters.Our Team's Vision:Our Engineering team fosters a culture of thought leadership, independence, and accountability. This dynamic fuels our mission to enhance the safety of the digital landscape.Join us as we lead the Zero Trust Segmentation movement and work with a diverse technology stack that spans operating systems, distributed applications, and user interface design. Together, we strive to create world-class products, driven by diverse perspectives and a shared commitment to innovation amid unprecedented cybersecurity challenges.Your Impact:Deliver the roadmap for our new CloudSecure product.Lead and nurture a high-performing team, collaborating with senior technical leads to drive success.Gain a comprehensive understanding of the product and technology to engage effectively with engineering, product management, and other teams in making crucial decisions about features and releases.Define and implement a rapid development, release, measurement, and iteration process to ensure the new product reaches feature completeness and quality.Exercise decisiveness in ambiguous situations, balancing business priorities with release timelines, and take accountability for timely deliverables.Become a key member of Illumio's technical leadership community, influencing product planning and innovation, and collaborating with senior executives to shape business milestones and resource needs.Your Toolkit:

Mar 23, 2026

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Product Line Manager at Illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in Redefining Cybersecurity!At Illumio, we are pioneers in ransomware and breach containment, transforming how organizations safeguard against cyber threats and maintain operational resilience. Utilizing the Illumio AI Security Graph, our advanced breach containment platform proactively identifies and mitigates threats across hybrid multi-cloud environments, halting the progression of attacks before they escalate into crises.As a recognized Leader in the Forrester Wave™ for Microsegmentation, Illumio empowers Zero Trust principles, fortifying cyber resilience for the infrastructures, systems, and organizations that sustain our world.Location: 5 days a week on-site at our Sunnyvale, CA Headquarters.Vision of Our Team:Our Product Management team thrives on a culture characterized by visionary leadership, autonomy, and ownership, fostering a dynamic synergy that drives innovation in the rapidly changing landscape of cybersecurity. We collaborate closely with our Engineering team to address the real-world challenges faced by our customers.We invite you to bring your visionary insights to every phase of the product lifecycle—from conception and definition to development, release, and post-release efforts. You will be instrumental in strategic planning, feature selection, and daily tactical operations. Together, our vibrant team will advance the roadmap as we endeavor to enhance safety in the digital realm.Your Contribution:As a Product Manager at Illumio, you will spearhead the development of solutions that prevent cyber-attacks from escalating into disasters.In this role, you will define product requirements, lead scrum teams through two-week sprints, and deliver products that shield networks from ransomware and denial of service attacks.To flourish in the Product Management organization at Illumio, you will leverage your technology-agnostic product development experience to address customer cybersecurity issues by creating technical solutions centered around Zero Trust and Segmentation.Deliver products that safeguard our customers.Lead product development initiatives through research, strategy, roadmap definition, and execution.Collaborate with engineering and customers to deliver solutions that foster adoption and growth.Cultivate subject matter expertise within the Zero Trust domain, establishing yourself as a resource for customers and cross-functional colleagues.Advocate for the customer perspective by translating insights into epics and user stories for scrum teams.Play a key role in the product development lifecycle, ensuring alignment with customer needs.

Mar 12, 2026

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Software Engineer, Cloud Security at Illumio | Sunnyvale, CA

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in Making the Digital World Safer!At Illumio, we stand at the forefront of ransomware and breach containment, transforming how organizations manage cyber threats while ensuring operational resilience. Our cutting-edge breach containment platform, powered by the Illumio AI Security Graph, is designed to identify and neutralize threats across diverse hybrid multi-cloud environments, effectively halting the escalation of attacks before they can cause significant harm.As a recognized leader in the Forrester Wave™ for Microsegmentation, Illumio empowers organizations to adopt a Zero Trust approach, enhancing cyber resilience for the infrastructure, systems, and entities that underpin the global economy.Location: 5 Days On-Site at Our Sunnyvale, CA Headquarters.Our Vision:Our Engineering team thrives on a culture of thought leadership, independence, and accountability. This dynamic empowers us to enhance digital safety collaboratively. Those who join our ranks will lead the charge in Zero Trust Segmentation, working with a technology stack that spans operating systems, distributed applications, UI, and visualization. Together, we will forge world-class products, driven by a diverse array of perspectives and a steadfast commitment to innovation amidst unprecedented cybersecurity challenges.Your Role:You will engineer containerized (micro) services for a distributed multi-tenant system, processing data, real-time events, and network telemetry from multiple public clouds to deliver insights, visibility, and security recommendations that help customers mitigate risks in the cloud.You will be responsible for designing services, meticulously detailing the architecture, defending your proposals before your peers, and delivering robust implementations.You will also play a key role in mentoring junior engineers, recent graduates, and interns, fostering their growth and productivity within the team.Your primary coding language will be Go, and you will work with data pipelines utilizing SQL or other interfaces. We embrace individuals with diverse language and technology backgrounds who are eager to learn.You will own significant features and subsystems, managing the entire software development lifecycle from requirements clarification to successful deployment and user engagement.You will engage with the operational aspects of the system, confronting the challenges of managing a complex system in real-time.

Mar 23, 2026

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Senior Backend Software Engineer - Java

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in the Fight Against Cyber Threats!At Illumio, we are pioneers in ransomware and breach containment, transforming the way organizations tackle cyberattacks while fostering operational resilience. Our advanced Illumio AI Security Graph enables our breach containment platform to swiftly identify and neutralize threats across hybrid multi-cloud environments, preventing potential disasters before they escalate.As a recognized Leader in the Forrester Wave™ for Microsegmentation, we empower Zero Trust principles, enhancing the cyber resilience of the infrastructure, systems, and organizations that keep the world functioning.Our VisionOur Engineering team thrives on innovative leadership, autonomy, and ownership, cultivating a vibrant synergy that propels us forward in the dynamic cybersecurity landscape.By joining our team, you will contribute to the leader in Zero Trust Segmentation. You will work with an advanced technology stack that encompasses diverse operating systems, distributed applications, and sophisticated UI/visualization tools.Together, we are shaping the future of cybersecurity, continuously developing world-class products driven by a diverse team committed to innovation amidst unprecedented cybersecurity threats.Your Contributions:Develop and maintain containerized microservices and their components for a distributed multi-tenant system that processes data and real-time telemetry from various public clouds, providing customers with insights and security recommendations to mitigate cloud risks.Mentor junior engineers, new graduates, and interns, guiding them in their professional growth and integration into the team.Primarily write code in Java utilizing the Spring Boot framework, while engaging with data pipelines through Kafka, SQL, or similar interfaces.Leverage Kubernetes for service infrastructure; we welcome individuals from diverse technological backgrounds eager to learn.Take ownership of critical features and subsystems, managing the complete software development lifecycle from requirement clarification to successful deployment and customer utilization.Oversee operational aspects of the system, actively addressing challenges to ensure optimal performance.

Aug 12, 2025

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Senior Engineer - Container Security at Illumio | Sunnyvale, CA

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Illumio builds cybersecurity solutions that help organizations contain ransomware and breaches, with a focus on maintaining operational resilience. The company’s AI Security Graph powers a platform that detects and neutralizes threats across hybrid and multi-cloud environments. Illumio’s approach is rooted in Zero Trust principles and supports the protection of critical systems worldwide. This Senior Engineer - Container Security position is based on-site at Illumio’s Sunnyvale, California headquarters. The role requires a full-time presence in the office, five days per week. What you will do Implement Zero Trust Segmentation at the application and pod level to identify and block attack paths in containerized environments. Work with leading container platforms such as Kubernetes, Istio, OpenShift, AKS, EKS, and GKE. Design and develop key features and subsystems, managing work from initial concept through peer review. Deliver solutions that are scalable, stable, secure, and maintainable to protect enterprise infrastructure. Mentor junior engineers, recent graduates, and interns, supporting their growth and integration into the team. Collaborate with field teams and major customers to refine and improve the product. Engineering culture The engineering team at Illumio values leadership, autonomy, and ownership. Team members work together to advance Zero Trust Segmentation, drawing on experience with operating systems, distributed applications, and advanced UI and visualization tools. The group brings together a range of perspectives and a shared commitment to building strong cybersecurity products.

Apr 22, 2026

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Product Manager at Illumio | Sunnyvale, CA

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in Our Mission!Illumio stands at the forefront of ransomware and breach containment, revolutionizing how organizations prevent cyberattacks and bolster operational resilience. Our cutting-edge platform, fueled by the Illumio AI Security Graph, proactively identifies and contains threats across hybrid multi-cloud environments, halting the escalation of attacks before they escalate into crises.As a recognized Leader in the Forrester Wave™ for Microsegmentation, Illumio empowers organizations to adopt Zero Trust principles, significantly enhancing the cyber resilience of the infrastructures that underpin our global operations.Work Location: 5 days a week in our Sunnyvale, CA Headquarters.Our Vision for the Team:Our Product Management team thrives on visionary leadership, independence, and accountability, fostering a dynamic synergy that propels us forward in the fast-paced cybersecurity landscape. We work hand-in-hand with our Engineering team to address the real challenges faced by our customers.Your ability to envision and innovate will be crucial at every phase of the product lifecycle—from ideation to definition, development, launch, and beyond. You will be integral to strategic planning, feature prioritization, and daily tactical operations. Together, we will drive our roadmap forward, making the digital realm a safer environment for all.Your Contribution:As a Product Manager at Illumio, you will spearhead the creation of products that prevent cyber threats from escalating into disasters.In this position, you will articulate product requirements, guide scrum teams through bi-weekly sprints, and deliver solutions to customers that safeguard their networks against ransomware and denial-of-service attacks.To excel within Illumio's Product Management team, you will leverage your technology-agnostic product development skills to resolve customer cybersecurity challenges through innovative technical solutions centered around Zero Trust and segmentation.Deliver products that provide robust security for our customersLead product development initiatives through research, strategy, roadmap definition, and successful deliveryCollaborate with engineering and customers to create solutions that drive adoption and growthEstablish yourself as a subject matter expert in the Zero Trust domain, serving as a resource for customers and colleaguesAdvocate for customer feedback in the form of epics and user stories for scrum teamsDrive the product vision and ensure alignment with customer needs and market trends

Mar 23, 2026

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Senior Software Engineer at Illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Illumio specializes in ransomware and breach containment, helping organizations strengthen defenses and maintain resilience. The Illumio AI Security Graph supports a platform that identifies and neutralizes threats across hybrid and multi-cloud environments. This work aims to stop small incidents from escalating into larger disruptions. Illumio has been recognized as a leader in the Forrester Wave™ for Microsegmentation, and helps organizations adopt Zero Trust strategies to improve their cyber resilience. Location and Schedule This Senior Software Engineer position is based at Illumio’s headquarters in Sunnyvale, California. The role is fully on-site, requiring presence in the office five days a week. Engineering Culture The engineering team values autonomy, ownership, and a drive to innovate in cybersecurity. Team members work across operating systems, distributed applications, and advanced UI and visualization tools. The group emphasizes high-quality products, diversity, and collaboration while tackling new cybersecurity challenges. What You Will Do Design and build containerized microservices for a distributed, multi-tenant system that processes data, real-time events, and network telemetry from multiple public clouds. Deliver insights and security recommendations to help clients reduce risks in cloud environments. Own service design, make architectural decisions, and implement reliable solutions. Mentor junior engineers, recent graduates, and interns, supporting their growth within the team. Work primarily in Go, build data pipelines using SQL or similar tools, and use Kubernetes for service infrastructure. Candidates with different programming backgrounds and a willingness to learn are welcome. Lead the development of key features and subsystems, managing the software lifecycle from clarifying requirements through deployment and user adoption.

Apr 22, 2026

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Site Reliability Engineer II at Illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in Securing the Future!At Illumio, we are pioneers in ransomware and breach containment, transforming how organizations defend against cyberattacks and fortifying operational resilience. Our innovative Illumio AI Security Graph powers a breach containment platform that swiftly identifies and neutralizes threats across hybrid multi-cloud environments, preventing minor issues from escalating into catastrophic events.As a recognized leader in the Forrester Wave™ for Microsegmentation, we enable Zero Trust, bolstering the cyber resilience of the infrastructures, systems, and organizations that keep the world functioning smoothly.Location: This role requires on-site presence in our Sunnyvale, CA headquarters five days a week.Vision of Our Team:Our Engineering team flourishes within a culture that champions visionary leadership, autonomy, and ownership. This dynamic synergy propels us forward in the constantly evolving realm of cybersecurity.As a member of our team, you will be at the forefront of Zero Trust Segmentation, working with an advanced technology stack that encompasses operating systems, distributed applications, and immersive UI/visualization tools.We're not just shaping the future of cybersecurity; we’re committed to developing world-class products led by diverse perspectives, backgrounds, and an unwavering commitment to innovation amidst unprecedented cybersecurity challenges.Your Role:As a Site Reliability Engineer II, you will oversee and optimize our multi-cloud infrastructure across Azure, AWS, and/or GCP. You will have the opportunity to design new services and applications in the cloud, guiding them from development to production while collaborating closely with Engineering, SRE/Operations, and Security teams.Your daily responsibilities will include enhancing the reliability and scalability of Illumio's SaaS offerings and spearheading continuous improvement initiatives.The ideal candidate is driven by a passion for cloud technology, automation, and collaboration, coupled with a solid foundation in Azure cloud platforms and relevant DevOps practices.Design, deploy, and maintain robust cloud infrastructure solutions on Azure, AWS, and/or GCP to support our applications and services.Implement Infrastructure as Code (IaC) principles using tools such as Terraform, ARM templates, or CloudFormation to automate provisioning and configuration management.Develop and maintain CI/CD pipelines for automated software delivery and deployment, utilizing tools like Azure DevOps, AWS CodePipeline, or Jenkins.Monitor system performance and availability, ensuring optimal operational efficiency.

Mar 23, 2026

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Senior Full Stack Developer at Illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in Shaping the Future!At Illumio, we are at the forefront of ransomware and breach containment, transforming how organizations manage cyberattacks and ensuring operational resilience. Our innovative breach containment platform, powered by the Illumio AI Security Graph, adeptly identifies and mitigates threats across hybrid multi-cloud environments, effectively halting the spread of attacks before they escalate into crises.Acknowledged as a Leader in the Forrester Wave™ for Microsegmentation, Illumio empowers organizations to adopt a Zero Trust framework, significantly enhancing cyber resilience for the infrastructure, systems, and enterprises that are essential for global operations.Our Engineering Team's Mission:Our Engineering team thrives on a culture of visionary leadership, independence, and ownership, fostering a collaborative environment that propels us forward in the rapidly changing realm of cybersecurity.Joining our team means becoming part of a leader in Zero Trust Segmentation. You will engage with a cutting-edge technology stack that encompasses various operating systems, distributed applications, and advanced UI/visualization tools.We are dedicated to shaping the future of cybersecurity together. Our mission is to continue developing world-class products, driven by a diverse team committed to innovation during unprecedented cybersecurity challenges.Your Contributions:Innovate and Transform: Create groundbreaking products that enhance network segmentation and safeguard data centers and cloud environments from threats.Full-Stack Development: Architect, design, and test comprehensive full-stack applications leveraging the latest native browser APIs, web servers, and frontend frameworks.Architectural Enhancement: Strengthen the full-stack architecture of web applications, focusing on deployment, configuration, build systems, component libraries, style guides, and responsiveness while evaluating open-source solutions.User Interaction Optimization: Assess and refine user interaction workflows across UI applications, ensuring high quality and consistency.User Experience and Design: Collaborate with UI specialists to make informed decisions regarding user experience and visual aesthetics.Cross-Team Collaboration: Partner with other development teams to enhance the usability of cross-service APIs.

Nov 10, 2025

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Deal Desk Strategist at Illumio | Sunnyvale, CA

Illumio

Full-time|On-site|HQ - Sunnyvale (Office)

Location and Schedule This role is based at Illumio’s headquarters in Sunnyvale, CA. The Deal Desk Strategist works on site at least four days per week. Role Overview The Deal Desk Strategist plays a central role in supporting Illumio’s sales success. This position connects Sales, Finance, Legal, and Customer Success to ensure deals are structured, priced, and executed accurately. The role focuses on providing analytical support and commercial insight across Enterprise, MSP, and Marketplace channels. As a regional expert, the strategist oversees quoting, pricing, discount governance, non-standard deal support, renewal strategy, and policy alignment. Key Responsibilities Partner with Sales leadership to develop strategies for new business, renewals, and expansions. Advise on pricing, packaging, multi-year agreements, ramps, co-terms, payment terms, and competitive positioning. Maintain consistent quoting and approval processes for products, services, and Marketplace transactions. Create and verify quotes using Salesforce CPQ and future CPQ tools. Ensure compliance with revenue recognition standards, discount policies, legal requirements, and operational guidelines. Support private offers on AWS and Azure, including management of entitlements, SKUs, and approvals. Prepare Sales teams for changes such as new pricing models, SKU migrations, CPQ updates, Marketplace workflows, and product launches. Develop regional playbooks for renewals, expansions, and entitlement checks.

Apr 23, 2026

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Sales FP&A Manager at Illumio | Sunnyvale, California

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Illumio is looking for a Sales FP&A Manager to join the team at its Sunnyvale, California headquarters. This role is on-site four days a week and partners closely with Sales leadership, including Field Sales, Channel, and Customer Experience teams. Role overview The Sales FP&A Manager serves as the primary finance partner for Sales, leading key planning and forecasting activities. This position manages the annual planning cycle, quarterly forecasts, and monthly close processes for Sales operating expenses and related financials. The focus is on delivering accurate, timely results and providing actionable insights to non-financial stakeholders. What you will do Partner with Sales leaders to support Field Sales, Channel, and Customer Experience functions. Own annual planning, quarterly forecasting, and monthly close for Sales operating expenses. Translate financial data into clear recommendations, helping improve spending efficiency and support revenue and customer success. Work with Sales and Operations to align headcount and program spending with productivity goals, track performance, and identify risks or opportunities. Collaborate with cross-functional teams to enhance workflows and improve forecasting accuracy. Requirements Bachelor’s degree in Finance, Accounting, or a related field. This position requires managing multiple projects with shifting priorities. Strong self-management, responsiveness, and the ability to work independently while maintaining accuracy are essential. About the team The Finance team at Illumio partners with leaders across the company to build scalable financial infrastructure and sharpen models that support business goals. Team members are encouraged to innovate and play an active role in Illumio’s growth in the cybersecurity sector.

Apr 28, 2026

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Software Engineer - Adaptive Segmentation at Illumio | Sunnyvale

Illumio

Full-time|On-site|HQ - Sunnyvale (Office)

Join Us in Shaping the Future of Cybersecurity!Illumio stands at the forefront of ransomware and breach containment, transforming the way organizations tackle cyberattacks and build operational resilience. Our innovative breach containment platform, driven by the Illumio AI Security Graph, effectively identifies and mitigates threats within hybrid multi-cloud environments, preventing minor attacks from escalating into major disasters.As a recognized leader in the Forrester Wave™ for Microsegmentation, Illumio empowers Zero Trust principles, enhancing cyber resilience for the infrastructures, systems, and organizations that keep our world functioning smoothly.Our Vision:The Engineering team at Illumio is pioneering the future of cybersecurity. We are dedicated to visionary leadership, autonomy, and ownership, cultivating a culture of innovation that propels us forward in the rapidly changing cybersecurity landscape.As a leader in Zero Trust Segmentation, we redefine security in a world plagued by unprecedented cyber threats. You will work with a highly scalable SaaS service developed using cloud-native technologies, while also deploying the solution on-premises.Our engineering philosophy emphasizes meticulous craftsmanship, focusing on quality, and, importantly, enjoying the process. We believe in empowering ownership at all levels of the organization. If you resonate with this culture, we invite you to join our team!Your Role:The VEN Policy Platform team is on the lookout for a skilled engineer with a solid foundation and passion for Networking, Operating Systems, and System Software Development. You will contribute to our cutting-edge Adaptive Segmentation Solution.We seek an engineer to develop C++ system services for the Illumio Virtual Enforcement Node—a software agent that operates within application workloads to implement security policies within the Illumio Adaptive Security Platform.Your C++ code will be instrumental in a lightweight agent that provides micro-segmentation security by leveraging established mechanisms across Unix (Linux, Solaris, AIX), Windows, and MacOS operating systems, ensuring a minimal footprint.Your commitment to building system services, paired with your operating systems knowledge, will drive the creation of innovative solutions.Your contributions will enhance the security of our customers’ most vital systems and applications.

Mar 11, 2026

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Staff Engineer, Cloud Security

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Illumio’s engineering team works at the intersection of cloud security and breach containment, supporting organizations as they defend against cyber threats. The company’s platform uses the Illumio AI Security Graph to detect and contain breaches across hybrid and multi-cloud environments. Illumio has been recognized as a Leader in the Forrester Wave™ for Microsegmentation and is committed to advancing Zero Trust security for critical infrastructure worldwide. Role overview The Staff Engineer, Cloud Security, will design and build containerized microservices for distributed, multi-tenant systems. These systems handle data, real-time events, and network telemetry from multiple public clouds, providing customers with insights, visibility, and actionable security recommendations to help reduce risk in the cloud. What you will do Design service architecture, document and present design decisions, and deliver strong implementations. Write code primarily in Go, and work with data pipelines using SQL or similar interfaces. Experience with Kubernetes is valued, though candidates with other language backgrounds who are open to learning are encouraged to apply. Own critical features and subsystems throughout the software development lifecycle, from clarifying requirements to deployment and user adoption. Mentor junior engineers, recent graduates, and interns, supporting their growth and integration within the team. Work environment The team values collaboration, autonomy, and ownership. Illumio encourages leadership at every level and welcomes new ideas to keep pace with changes in cybersecurity. Engineers work with modern technology stacks, including distributed applications, operating systems, and advanced UI and visualization tools. Diverse perspectives and ongoing innovation are central to the company’s approach. Location This position is based at Illumio headquarters in Sunnyvale, California.

Apr 23, 2026

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Senior Staff Engineer - Architecture

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Onwards Together!Illumio stands at the forefront of ransomware and breach containment, revolutionizing the way organizations tackle cyberattacks while fostering operational resilience. Our innovative breach containment platform, powered by the Illumio AI Security Graph, effectively identifies and mitigates threats across hybrid multi-cloud environments, preventing potential disasters before they escalate.As a recognized leader in the Forrester Wave™ for Microsegmentation, Illumio champions Zero Trust principles, enhancing cyber resilience for the vital infrastructure, systems, and organizations that sustain our world.Our Team's Vision:Our Engineering team thrives on a culture of visionary leadership, autonomy, and responsibility, fostering a dynamic synergy that propels us forward amidst the ever-evolving cybersecurity landscape.Joining our team means becoming part of the leader in Zero Trust Segmentation, where you'll engage with a cutting-edge technology stack encompassing operating systems, distributed applications, and advanced UI/visualization tools.We are dedicated to shaping the future of cybersecurity, continually striving to develop world-class products driven by diverse perspectives, backgrounds, and an unwavering commitment to innovation in the face of unprecedented cybersecurity challenges.Your Impact:This unique role demands a combination of security, development skills, and expertise in the complete certification process. Beyond traditional DevOps responsibilities, you will have the chance to make substantial contributions to hands-on platform product development. To excel in this position, you will:Oversee certification requirements, collaborating with external agencies for clarifications, and translating them into Epics and stories for team execution. Provide technical leadership to internal and external teams supporting certifications.Lead certification initiatives while coordinating with DevOps, Product Managers, Security teams, certification agencies, and auditors.Document and implement processes to introduce necessary controls aimed at general availability.Spearhead multiple initiatives, develop proofs of concept (PoCs) as needed, and devise comprehensive plans considering all cross-functional dependencies for successful execution.Engage in development tasks, actively participating in building features.Mentor engineers and collaborate with peers and leaders to advance our programs.

Oct 24, 2025

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Staff Engineer, Cloud Security

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Join Us in Building a Resilient Future!At Illumio, we are at the forefront of ransomware and breach containment, transforming the way organizations manage cyber threats and achieve operational resilience. Our innovative breach containment platform, powered by the Illumio AI Security Graph, excels at identifying and containing threats across hybrid multi-cloud environments, effectively preventing cyberattacks from escalating into crises.Recognized as a leader in the Forrester Wave™ for Microsegmentation, we empower Zero Trust architectures, enhancing the cyber resilience of critical infrastructures and systems that sustain global operations.Location: This position requires on-site presence five days a week at our Sunnyvale, CA Headquarters.Our Vision:Our Engineering team is characterized by a culture of visionary leadership, autonomy, and ownership, fostering a dynamic synergy that propels us forward in the rapidly evolving field of cybersecurity.By joining our team, you will contribute to the leading force in Zero Trust Segmentation, utilizing a state-of-the-art technology stack that includes operating systems, distributed applications, and advanced UI/visualization tools.Together, we are shaping the future of cybersecurity, committed to creating world-class products driven by diverse perspectives and a relentless pursuit of innovation in the face of unprecedented global cyber threats.Your Contributions:Develop containerized (micro) services for a distributed multi-tenant system that processes data, real-time events, and network telemetry from various public clouds, delivering real-time insights and security recommendations to our customers to help them identify and mitigate cloud risks.Design your services, meticulously detail your designs, defend your architecture before peers, and execute robust implementations.Mentor junior engineers, recent graduates, and interns, fostering their growth and productivity as valued team members.Primarily code in Go while working with data pipelines using SQL or similar interfaces. We value diverse backgrounds in various languages and technology stacks, and a willingness to learn is welcomed.Take ownership of critical features and subsystems throughout the complete software development lifecycle, from requirements clarification to ensuring successful deployment and customer utilization.

Jan 29, 2026

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Senior Staff Engineer - Cybersecurity

Illumio

Full-time|On-site|HQ - Sunnyvale (Office)

Illumio develops technology to contain ransomware and breaches, helping organizations guard against cyberattacks and maintain business continuity. The company’s breach containment platform uses the Illumio AI Security Graph to detect and isolate threats across hybrid and multi-cloud environments. Illumio is recognized for its leadership in microsegmentation and its commitment to the Zero Trust model, serving critical infrastructure and organizations worldwide. This Senior Staff Engineer - Cybersecurity position is based onsite in Sunnyvale, California, with work expected in the office five days a week. Role overview The engineering team at Illumio values leadership, autonomy, and ownership. Members work with a modern technology stack that spans operating systems, distributed applications, and advanced UI and visualization tools. The team is focused on building products that address today’s cybersecurity challenges, drawing on diverse perspectives and a shared drive for innovation. What you will do Develop containerized microservices for a distributed, multi-tenant system that processes data, real-time events, and network telemetry from multiple public clouds. These services provide customers with real-time insights, visibility, and security recommendations to reduce cloud risks. Design and architect platform components and subsystems, working through technical details, presenting and defending designs to peers, and ensuring thorough implementation. Mentor junior engineers, recent graduates, and interns to support their professional development and integration into the team. Write code primarily in Go and manage data pipelines using SQL or similar technologies. Familiarity with Kubernetes for service infrastructure is considered a plus. The team welcomes candidates with varied programming backgrounds who are eager to learn. Take ownership of critical features and subsystems, overseeing the software development lifecycle from requirements to deployment and customer adoption. Contribute to operational excellence and help drive engineering efforts toward greater innovation and efficiency.

Apr 29, 2026

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Staff Engineer, Container Security

Illumio

Full-time|On-site|Sunnyvale, California - HQ

Illumio develops solutions that help organizations contain ransomware and breaches, strengthening operational resilience against cyber threats. The company’s breach containment platform, powered by the Illumio AI Security Graph, identifies and mitigates risks across hybrid and multi-cloud environments. Illumio’s approach aims to stop cyberattacks before they escalate into major incidents, and its work in microsegmentation has been recognized by the Forrester Wave™. The company supports the Zero Trust model to protect critical infrastructure and global operations. Location and Work Environment This Staff Engineer, Container Security role is based at Illumio’s Sunnyvale, California headquarters. Onsite presence is required five days a week. The engineering team values leadership, autonomy, and ownership, working with a variety of operating systems, distributed applications, and advanced UI and visualization tools. Illumio encourages diverse perspectives to drive innovation in addressing cybersecurity challenges. What You Will Do Design and implement new methods for orchestrating Zero Trust Segmentation at both the application and pod level, focusing on identifying and blocking attack paths in container environments. Work extensively with modern container platforms such as Kubernetes, Istio, OpenShift, AKS, EKS, and GKE. Own critical features and subsystems, refining technical details and advocating for your designs within the team. Deliver solutions that are scalable, stable, secure, and maintainable to protect large enterprise infrastructure. Mentor junior engineers, recent graduates, and interns to support their growth and integration into the team. Collaborate with field teams and key customers to help shape the direction of the product.

Apr 22, 2026

Senior Staff Engineer - Cybersecurity

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