Purple Team Security Engineer

Join Us in Shaping the Future of Cybersecurity!Illumio stands at the forefront of ransomware and breach containment, revolutionizing the way organizations defend against cyberattacks while fostering operational resilience. Our advanced breach containment platform, powered by the Illumio AI Security Graph, adeptly identifies and mitigates threats across hybrid multi-cloud environments—preventing attacks from escalating into catastrophic events.As a recognized Leader in the Forrester Wave™ for Microsegmentation, Illumio empowers Zero Trust principles, enhancing cyber resilience across critical infrastructure, systems, and organizations that underpin our global society.Work Environment:This role requires on-site presence five days a week at our Sunnyvale, CA Headquarters.Our Engineering Vision:Our engineering team thrives in a culture defined by visionary leadership, individual autonomy, and a sense of ownership, fostering a dynamic synergy that propels us through the rapidly evolving cybersecurity landscape.By joining us, you will contribute to the leader in Zero Trust Segmentation, utilizing a cutting-edge technology stack that includes operating systems, distributed applications, and sophisticated UI/visualization tools.Together, we are forging the future of cybersecurity and creating world-class products—driven by diverse perspectives and a commitment to innovation in an era marked by unprecedented cyber threats.Your Contributions:Develop innovative methods to orchestrate Zero Trust Segmentation at the application/pod level, effectively identifying and blocking attack pathways within the container ecosystem.Enhance and understand modern container platforms such as Kubernetes, Istio, OpenShift, AKS, EKS, GKE, and others.Own and design essential features and subsystems, meticulously working through details and presenting your designs to peers.Deliver robust implementations that are elegant, straightforward, scalable, stable, secure, and maintainable—our product is vital for large enterprises and must operate flawlessly.Mentor junior engineers, new graduates, and interns, fostering their growth as engineers and integrating them into the team.Collaborate with field organizations and key customers to refine this groundbreaking product.Your Qualifications:A Bachelor's degree in Computer Science or a related field; a Master's degree is a plus.Experience in software engineering, particularly with container security solutions.Strong problem-solving skills and the ability to work effectively in a team-oriented environment.

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.

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.

CoreWeave is seeking a Staff Security Engineer with deep experience in PKI and secrets management. This position is key to strengthening the security of our cloud infrastructure across multiple locations, including Livingston, NJ, New York, NY, Sunnyvale, CA, and Bellevue, WA. Role overview This role focuses on designing and implementing secure public key infrastructures (PKI) and managing sensitive secrets across our platforms. The Staff Security Engineer will take the lead on projects that directly impact the integrity and safety of our systems. What you will do Lead the creation and deployment of PKI solutions for cloud environments. Develop and maintain processes for secure secrets management. Work to ensure compliance and reduce security risks as CoreWeave grows. Requirements Expertise in PKI design and secrets management practices. Experience supporting cloud infrastructure security. Ability to lead initiatives and collaborate with technical teams.

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.

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.

Join Us in Pioneering Cybersecurity!At Illumio, we are at the forefront of ransomware and breach containment, revolutionizing how organizations manage cyber threats and maintain operational resilience. Our innovative platform, powered by the Illumio AI Security Graph, effectively identifies and contains threats across hybrid multi-cloud environments, preventing the escalation of attacks into catastrophic incidents.Recognized as a leader in the Forrester Wave™ for Microsegmentation, we empower organizations to adopt a Zero Trust approach, enhancing cyber resilience for the critical infrastructure and systems that keep the world operational.Our Vision:The Engineering team at Illumio is fueled by a culture of visionary leadership, autonomy, and ownership. We cultivate a dynamic synergy that propels us forward in the rapidly evolving landscape of cybersecurity.By joining our team, you will become part of a leader in Zero Trust Segmentation, working with cutting-edge technologies across various operating systems, distributed applications, and advanced UI/visualization tools.Together, we are shaping the future of cybersecurity, creating world-class products driven by diverse perspectives, backgrounds, and an unwavering commitment to innovation amidst unprecedented cybersecurity challenges.Your Contribution:Develop containerized microservices for our distributed multi-tenant system, processing data, real-time events, and network telemetry from multiple public clouds to deliver actionable insights, visibility, and security recommendations to our customers, enabling them to identify and mitigate risks in the cloud.Design, architect, and implement robust solutions, defending your designs before peers and ensuring a high-quality delivery.Mentor junior engineers, new graduates, and interns, fostering their growth as engineering professionals and enhancing team productivity.Primarily code in Go and manage data pipelines using SQL or similar technologies, leveraging Kubernetes for our service infrastructure. We welcome candidates with diverse technical backgrounds and a passion for learning.Take ownership of critical features and subsystems, guiding them through the entire software development lifecycle from requirement clarification to successful deployment and customer utilization.Engage with operational elements of the system, gaining firsthand experience with challenges and driving continuous improvement.

Role Overview Intuitive Surgical is seeking a Staff Product Security Engineer in Sunnyvale. This role focuses on protecting the security of advanced medical devices. The engineer will collaborate with teams across the company to spot vulnerabilities and create strong security measures that safeguard both patient safety and sensitive data.

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.

Join CoreWeave as a Staff AI Security Engineer and be at the forefront of securing advanced AI systems. In this pivotal role, you will collaborate with cross-functional teams to develop and implement security protocols that protect our AI infrastructure. Your expertise will guide our security initiatives, ensuring that our solutions are both innovative and secure.

CoreWeave is seeking a Security Engineering Manager to lead the Platform Security team. This position is based in Livingston, NJ, New York, NY, Sunnyvale, CA, Bellevue, WA, or San Francisco, CA. The team’s mission is to embed security into CoreWeave’s Kubernetes-based platform and public cloud environments, supporting high-performance infrastructure for AI and machine learning workloads. Role overview This manager will oversee and expand the Platform Security engineering team, reporting to the Senior Director of Security Foundations. The focus is on hands-on leadership and technical execution, with an emphasis on building and implementing security controls rather than policy development. The role requires close collaboration with Infrastructure, Platform Engineering, Site Reliability Engineering, and other security teams to ensure security measures keep pace with business growth and evolving needs. What you will do Lead and grow the Platform Security engineering team. Integrate security into Kubernetes infrastructure and public cloud platforms such as AWS, GCP, and Azure. Define and execute strategies for cloud security posture, workload isolation, platform guardrails, image integrity, and multi-cloud security. Develop and implement security controls across CoreWeave’s infrastructure. Work closely with other technical teams to align platform security with business needs. The Platform Security team The Platform Security team at CoreWeave engineers systems that enforce security at the infrastructure layer. Their work spans both CoreWeave’s own Kubernetes-based platform and third-party public cloud environments. The team supports GPU-accelerated infrastructure for demanding AI and machine learning workloads, ensuring that both customer and internal services remain secure as CoreWeave’s global presence expands.

LinkedIn Corporation seeks a Staff Software Engineer specializing in Network Security and Automation for its Sunnyvale office. This role centers on improving network security and automating workflows to help keep systems secure and reliable. Key Responsibilities Develop and maintain network security protocols throughout LinkedIn's infrastructure. Automate important operational processes to support system reliability and efficiency. Apply technical knowledge to safeguard infrastructure and drive continuous improvements. Location This position is based in Sunnyvale.

About Applied IntuitionApplied Intuition, Inc. is at the forefront of advancing physical AI. Established in 2017 and currently valued at $15 billion, this Silicon Valley powerhouse is dedicated to developing the digital infrastructure essential for integrating intelligence into every moving machine globally. We cater to diverse sectors, including automotive, defense, trucking, construction, mining, and agriculture, focusing on three foundational areas: tools and infrastructure, operating systems, and autonomy. Our solutions are trusted by eighteen of the top twenty global automakers and the United States military alongside its allies, ensuring the delivery of physical intelligence. With headquarters in Sunnyvale, California, and additional offices in Washington, D.C.; San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo, we invite you to explore more at applied.co.We prioritize in-office collaboration and expect our employees to work primarily from their Applied Intuition office five days a week. However, we also value flexibility and empower our team to manage their schedules responsibly. This may include occasional remote work, starting the day with morning meetings from home prior to coming into the office, or leaving early when necessary to accommodate family commitments.About the RoleWe are on the lookout for a versatile Product Security Engineer who will play a pivotal role in embedding security into Applied Intuition's product design and development process. Collaborating closely with cross-functional engineering teams, you will be instrumental in securing our application platform.At Applied Intuition, you will:Analyze our applications and system architectures from inception to release. Proactively identify security vulnerabilities and integrate robust security controls while conducting architecture reviews and threat modeling.Conduct regular security assessments and leverage AI-assisted testing on our products and systems to systematically pinpoint and mitigate vulnerabilities before they can be exploited.Assist in evolving our vulnerability management program and drive risk contextualization.

Join our dynamic team at Sonsoft Inc. as an Application Security Engineer! We are looking for a skilled professional to enhance our software security practices, ensuring robust protection against vulnerabilities. In this role, you will collaborate closely with development teams to implement security measures throughout the software development lifecycle.Your expertise will help us identify potential threats, conduct security assessments, and develop secure coding guidelines. This is an excellent opportunity to leverage your skills in a fast-paced environment while contributing to the overall security posture of our applications.

About Applied IntuitionApplied Intuition, Inc. is at the forefront of transforming physical AI. Since our inception in 2017, we have reached a valuation of $15 billion, establishing ourselves in Silicon Valley as a leader in developing the digital infrastructure required to infuse intelligence into every moving machine globally. We cater to various industries including automotive, defense, trucking, construction, mining, and agriculture through our three primary areas: tools and infrastructure, operating systems, and autonomy. Our solutions are trusted by 18 of the world's top 20 automakers, as well as the United States military and its allies, ensuring the delivery of physical intelligence. We are headquartered in Sunnyvale, California, with additional offices in Washington, D.C.; San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo. Discover more at applied.co.We operate primarily in-office, expecting employees to work from the Applied Intuition office five days a week. However, we value flexibility and trust our team to manage their schedules responsibly. This may involve occasional remote work, beginning the day with morning meetings from home before heading into the office, or leaving early for family commitments.About the RoleWe are on the lookout for a dynamic Corporate Security Engineer to spearhead our efforts in safeguarding our personnel, endpoints, networks, collaboration platforms, and enterprise data. You will collaborate closely with the IT Infrastructure, Detection & Response, and GRC teams to ensure that our security measures are effective, scalable, and aligned with our business objectives. In this position, you will define the strategic roadmap, make architectural decisions, and represent Corporate Security throughout the organization.Key Responsibilities:Define the value proposition and service model for corporate security capabilities, encompassing network hardening, monitoring, infrastructure hardening, and data security posture.Oversee and optimize email security platforms to guard against phishing, malware, business email compromise, and advanced threats.

Who We AreDigiCert is a global leader in intelligent trust, dedicated to safeguarding the digital realm by ensuring security, privacy, and authenticity in every interaction. Our innovative AI-powered DigiCert ONE platform integrates PKI, DNS, and certificate lifecycle management, protecting infrastructure, software, devices, messages, and AI entities. Join over 100,000 organizations, including 90% of the Fortune 500, that rely on DigiCert to counteract today's threats and prepare for a quantum-safe future at www.digicert.com. Job SummaryAt DigiCert, we are constructing the trust foundation for an agentic future. As AI agents evolve from basic chatbots to complex autonomous systems with access to sensitive enterprise data, we recognize the urgent need for standardized Identity, Authentication, and Governance protocols. You will play a crucial role in developing the core security infrastructure that defines agent identification and control. Our vision is to establish a "Zero Trust" architecture for AI—ensuring every action an agent performs is cryptographically verifiable, authorized, and secure. Your contributions will help shape our technical culture, influence our technology stack, and scale a platform that will fortify the next generation of enterprise AI. What You Will DoCollaborate with a team of industry-leading cryptographers, AI/ML innovators, cloud infrastructure specialists, and security engineers to redefine the future of secure digital interactions.Design and build the Identity Foundation: Create and manage a cryptographically secure identity system that acts as the trusted source of truth for agent interactions.

Join our dynamic team at Sonsoft Inc. as an Application Security Engineer. In this vital role, you will help safeguard our software applications by identifying vulnerabilities, implementing security measures, and ensuring compliance with industry standards. Your expertise will be crucial in protecting sensitive data and enhancing our overall security posture.

Join Intuitive Surgical as a Staff Value Engineer, where you'll have the opportunity to shape the future of minimally invasive surgery. Our team is dedicated to advancing surgical technology and improving patient outcomes. In this role, you will leverage your engineering expertise to analyze and optimize the value of our surgical systems.

We are seeking a talented and motivated Staff Supplier Engineer to join our dynamic team at Intuitive Surgical, Inc. In this role, you will play a crucial part in managing supplier relationships and ensuring the highest quality of materials and components for our innovative surgical systems. You will be responsible for evaluating suppliers, conducting audits, and collaborating closely with cross-functional teams to drive continuous improvement.

Join our dynamic team as a Staff Quality Engineer at Intuitive Surgical, where you will play a pivotal role in ensuring the highest standards of quality in our innovative medical devices. You will collaborate with cross-functional teams to enhance product reliability and maintain compliance with industry regulations. Your expertise will contribute to our mission of advancing minimally invasive surgical technologies.