Security Software Engineer, Infrastructure Security (Staff or Senior)

Join MongoDB as a Security Software Engineer specializing in Infrastructure Security. In this pivotal role, you will work collaboratively within a top-tier team to enhance our security posture, safeguard our infrastructure, and ensure the safety of our systems against evolving threats. Your expertise will be instrumental in designing, developing, and implementing secure software solutions that protect sensitive information while enabling our innovative technology to flourish.

About SonarSource:At SonarSource, we are dedicated to enhancing code quality and security, empowering developers to create superior applications efficiently. Our platform analyzes all code—whether authored by your team, generated by AI, or sourced from third-party libraries—ensuring applications are secure, reliable, and maintainable. With a foundation in the open-source community, our solutions accommodate over 30 programming languages and frameworks, serving more than 7 million developers and 400,000 organizations globally, including industry leaders like the DoD, Microsoft, NASA, MasterCard, Siemens, and T-Mobile.We are passionate about building exceptional products supported by a strong internal culture. Our team is incredibly committed to our mission and obsessed with our users, colleagues, and the open-source community. We uphold high standards and foster a culture of positivity, accountability, and passion.Our decision-making is deliberate, with a clear intention to act swiftly and effectively. As a cohesive unit, we strive to achieve our goals with operational efficiency.At Sonar, CODE represents more than just an acronym – it embodies our daily philosophy.

Role Overview SonarSource is hiring an Infrastructure Security Engineer in Austin, Texas. This role focuses on protecting the company’s software development tools and infrastructure. The position involves working closely with teams across the organization to strengthen security practices and respond to incidents. What You Will Do Design and implement security controls for infrastructure and internal systems Work with colleagues in different departments to improve overall security Identify vulnerabilities and recommend solutions Respond to and investigate security incidents What We Look For Experience in infrastructure security or a related field Ability to assess risks and propose practical safeguards Strong communication skills for cross-team collaboration Problem-solving mindset and attention to detail

Role Overview Roku, Inc. is hiring a Security Software Engineer in Austin, Texas. This position focuses on designing and building secure software solutions to safeguard both users and the Roku platform. What You Will Do Create and implement software with security as a core requirement Work with teams across engineering, product, and operations to strengthen security protocols Help shape and improve the security architecture for Roku’s streaming products

Join Fluidstack as Our Senior Data Center Physical Security EngineerAt Fluidstack, we are pioneering the infrastructure that fuels abundant intelligence. Collaborating with leading AI laboratories, governments, and enterprises such as Mistral, Poolside, Black Forest Labs, and Meta, we are committed to unlocking compute capabilities at lightning speed.We are driven by a sense of urgency to realize artificial general intelligence (AGI). Our team is dedicated, passionate, and focused on delivering top-tier infrastructure. We view our customers' successes as our own, taking immense pride in the systems we construct and the trust we cultivate. If you are motivated by a meaningful mission, strive for excellence, and are prepared to work diligently to accelerate the future of intelligence, we invite you to join us in constructing what lies ahead.Role OverviewAs the Senior Data Center Physical Security Engineer, you will spearhead the design and implementation of a robust multi-layer physical security framework that safeguards Fluidstack’s most critical asset—our data. Your responsibilities will encompass everything from perimeter fortification to rack-level tamper detection, all seamlessly integrated within a zero-trust monitoring system. You will lead initiatives to protect AI infrastructure against the most sophisticated adversaries globally.Key ResponsibilitiesOversee all facets of security systems for data centers, ensuring coordination with all other discipline requirements.Devise and execute strategies for the design and deployment of data center security systems.Assist in the development and enforcement of security system standards in compliance with US DoD and international standards.Consult on design specifications, master drawings, and legal documentation.Engineer access control, CCTV, intrusion detection, and biometric systems in alignment with SOC 2 and ISO 27001 standards.Develop zoning and mantrap layouts, authentication flows, and visitor management SOPs.Specify encryption and retention policies for video footage, logs, and alarms.Integrate security events with DCIM and corporate SIEM platforms.Promote resilience through dual-path communications and battery backup, along with regular penetration testing programs.Ideal CandidateA minimum of 10 years' experience designing hyperscale, enterprise, or mission-critical physical security systems.Extensive knowledge of ONVIF, SIA DC-09, OSDP, Wiegand, and BACnet standards.Hands-on experience with Genetec, LenelS2, Honeywell, or Avigilon ecosystems.

safelease is seeking a Security Engineer based in Austin, TX, with a hybrid work arrangement. This role centers on protecting the company’s digital infrastructure and ensuring the safety of systems and data. Role overview The Security Engineer will work closely with teams across the organization. The focus is on designing, implementing, and maintaining security protocols to defend against potential threats. Collaboration Expect to partner with colleagues from different departments to strengthen overall security measures and support ongoing improvements. Location This position is hybrid, requiring some presence in the Austin office.

Join Upside:At Upside, we are on a mission to revolutionize brick-and-mortar commerce. Our advanced technology combines the nuances of online retail—profit measurement, attribution, and incrementality—to enhance the value for users on their daily purchases while simultaneously attracting new, profitable customers to brick-and-mortar businesses. Millions of users have benefited from earning 2 to 3 times more cashback than any competing product, and hundreds of thousands of physical businesses have realized tangible profits through our platform. Each year, billions in commerce are processed through Upside, returning value directly to our retail partners, the consumers they serve, and vital sustainability efforts.Your Impact:In this role, you will report to the Director of Information Security, collaborating closely with technology stakeholders. Utilize your expertise in secure coding practices and payment systems to identify and address application vulnerabilities. As an individual contributor, you will bring innovation to our AppSec team, strengthen our security posture, and empower our engineering teams to code securely.Innovate with AI to deliver robust security solutions that mitigate application vulnerabilities.Conduct security code tests (SAST, SCA) and work with engineers to resolve unsafe code.Develop threat models and collaborate with technology teams to document and assess risks.Advise leadership on security architecture, design, and best practices in application security.Train and enhance the skills of engineers in safe coding and vulnerability management techniques.Assist with penetration testing initiatives and manage bug bounty programs.Support the administration of AWS Control Tower and IAM provisioning.Engage with the security community to stay informed about trends and advancements.Qualifications:A minimum of 6 years of experience in application or product security, including reviewing Python code.Proven experience in innovating and implementing solutions for vulnerability management.In-depth knowledge of AWS security architecture, including Lambda and AWS Control Tower.Strong comprehension and application of AI technologies.A Bachelor's degree in Computer Science or Engineering is highly preferred.Outstanding interpersonal and customer service skills.

At Reltio®, we are dedicated to transforming data into a powerful driver of business success. Our cutting-edge, AI-driven data unification and management solutions—including entity resolution, multi-domain master data management (MDM), and innovative data products—enable organizations to break free from data silos. The Reltio Data Cloud™ provides timely and interoperable data, empowering data and analytics leaders to respond to business needs with unmatched agility. Renowned enterprises across diverse industries worldwide depend on our award-winning data unification and cloud-native MDM capabilities to enhance efficiency, mitigate risks, and accelerate growth.Our core values define our approach at Reltio. With a steadfast commitment to putting our customers first, we work tirelessly to ensure their success. We celebrate our differences as we believe we are better together as one unified team. We strive to simplify processes and share our expertise, collaborating effectively to eliminate challenges. Accountability and excellence are paramount to us as we take ownership of our actions. We are committed to continual innovation, ensuring that each day is better than the last. If you resonate with these values, we welcome you to join Reltio and contribute to our mission of excellence.Reltio has received numerous accolades for our technology, culture, and workforce. Founded on the principles of a distributed workforce, we offer flexible work options to support the balance of personal and professional lives. If you are eager to work with unparalleled technology and be part of a collaborative team focused on enabling digital transformation through connected data, let’s connect!

Join Samsara as a Senior Security Engineer I in our Enterprise Security team. In this pivotal role, you will be responsible for safeguarding our systems and data while ensuring compliance with industry standards. You will work alongside a team of experts to enhance our security posture, develop and implement security policies, and respond to security incidents.

Role Overview Orca Security is hiring a Sales Engineer focused on Application Security and Cloud Security in Austin, Texas. This position works closely with the sales team to showcase how Orca’s security solutions address real-world risks for both prospects and existing customers. What You Will Do Partner with sales to present and explain Orca Security’s products to organizations evaluating cloud and application security tools. Listen to client needs, then tailor demonstrations and recommendations to their specific security challenges. Help customers understand how Orca’s platform can strengthen their security posture and support their goals. Impact Expertise in application and cloud security will be central to helping clients achieve their security objectives and get the most value from Orca’s solutions.

Teamwork makes the stream work. Roku is transforming the way the world experiences television.As the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to empower every television worldwide. We pioneered the streaming revolution, connecting viewers with the content they adore while enabling content creators to build and monetize vast audiences. Advertisers benefit from our unique capabilities to engage their target consumers.From day one at Roku, your contributions will be meaningful and valued. In our rapidly growing public company, there are no bystanders. This is your opportunity to bring joy to millions of TV streamers globally while gaining invaluable experience across multiple disciplines. About the Team The Roku Trust Engineering team is a tight-knit group dedicated to information security. Our mission is to safeguard our customers, partners, devices, services, infrastructure, and data. We collaborate closely, sharing insights and expertise to remain at the forefront of security. Join us, and you’ll be part of a vibrant team that thrives on challenges and celebrates successes together. About the Role As a Security Engineer within the Trust Engineering team, you will play a crucial role in designing, implementing, and managing Roku’s comprehensive security systems and controls that impact a global user base. Your key responsibilities will involve supporting the development of security protocols, managing and maintaining SIEM/SOAR tools and threat intelligence platforms, conducting technical incident responses, performing vulnerability and risk assessments, and mentoring junior analysts. You will collaborate with teams across Trust Engineering and the broader organization to promote, develop, and influence robust security practices and postures.

About UsBased in the vibrant heart of New York City, Take-Two Interactive Software, Inc. stands as a premier innovator in the development, publishing, and marketing of interactive entertainment for consumers worldwide. Our portfolio includes industry giants like Rockstar Games, 2K, and Zynga, delivering exceptional gaming experiences across console, PC, and mobile platforms through various channels, including retail, digital downloads, and cloud streaming. Our stock is publicly traded on NASDAQ under the symbol TTWO.At Take-Two, we foster a friendly and inclusive atmosphere, promoting creativity, innovation, and efficiency, alongside opportunities for individual and team growth. Our dynamic industry offers countless chances to learn and enhance your skills in a fast-paced environment. While we are dedicated to our work, we also believe in enjoying what we do, making it an excellent place to pursue your passions.Your RoleAs a Cloud Security Engineer, you will play a crucial role in ensuring the security and integrity of our AAA game content development across various divisions. You will analyze and implement robust Cloud Security Systems throughout the Take-Two technology stack. Collaborate with IT Infrastructure, Security Engineering, and Operations teams to automate the discovery and inventory of cloud assets, ensuring optimal visibility and continuous updates to our asset registry. Work closely with Architecture to explore and implement new solutions that enhance our Cloud Security and Security Operations Center (SOC) applications while developing new tools to meet business needs. You will review cloud security change requests both internally and across our domain subsidiaries to ensure secure connectivity with customer clouds, and regularly engage with Security colleagues in label teams to prioritize and address their security needs.

About Ping Identity:At Ping Identity, we are dedicated to providing secure and seamless digital experiences for users, fostering a concept we call digital freedom. This ethos not only extends to our customers but also permeates our company culture. Join us to cultivate a workplace that values digital freedom.Our advanced cloud identity platform empowers individuals to shop, work, bank, and engage in various activities effortlessly and securely.While safeguarding digital identities is central to our technology, we also prioritize the protection of individual identities within our culture. We champion every identity. Our core value, Respect Individuality, encourages us to embrace our differences, allowing everyone to bring their authentic selves to work.Headquartered in Denver, Colorado, with a global presence, we cater to the needs of the largest and most demanding enterprises, including over half of the Fortune 100. At Ping Identity, we are reshaping perceptions around cybersecurity, digital experiences, and identity management.Job Summary:As a Product Security Engineer focusing on our Federal accounts, you will gain crucial experience within an innovative identity security firm. This role demands a strong passion for application security, a knack for addressing both technical and organizational challenges, and the ability to thrive in a dynamic, Infrastructure-as-Code development environment. Exceptional communication skills and a keen awareness of the latest security best practices are essential.

At SpyCloud, our mission is to create a safer internet by disrupting the criminal underground. Our innovative solutions prevent cyberattacks and safeguard over 4 billion accounts globally. As a leader in the dynamic field of cybersecurity, we invite you to join us in the fight against cybercrime and contribute to a meaningful cause!The ideal candidate will have a robust background in developing internal security tools and data processing pipelines utilizing public cloud infrastructure, with a strong focus on leveraging AI technologies. This role is part of SpyCloud Labs, our specialized Security Research team, dedicated to creating automation and internal tools for the collection of recaptured third-party breach and malware data. This is a full-time remote position that supports a hybrid workforce.

About Semperis Semperis is recognized among America’s fastest-growing cybersecurity companies by Inc. 5000 and has received several Best Workplace awards from Inc. The company’s mission centers on fostering a workplace where employees feel valued, supported, and empowered. Semperis emphasizes purpose, growth, and balance in its employee experience. Role Overview: Senior Cloud Security Engineer Based in Austin, this senior-level role focuses on strengthening enterprise defenses against cyber threats. The position involves close collaboration with experts in cybersecurity and Identity Access Management. U.S. citizenship is required. Main Responsibilities Design, build, and maintain secure cloud infrastructure across Azure, AWS, and GCP, with a strong preference for AWS experience. Lead improvements in Cloud Security Posture Management (CSPM), including setting policies, implementing guardrails, and automating remediation processes. Develop and manage cloud network security controls such as segmentation, cloud-native firewalls, and secure ingress or egress patterns. Define and enforce security best practices for Kubernetes environments (AKS and EKS), including role-based access control (RBAC) and workload isolation. Work with engineering teams to review security architecture and advise on secure solution design.

At Self Financial, we are a rapidly growing FinTech company committed to enhancing economic inclusion and financial resilience. Our mission is to empower individuals to build credit and save effectively.We are on the lookout for dedicated individuals who share our passion for overcoming challenges and improving the financial landscape for the communities we serve.Our team is driven to disrupt the credit industry by providing accessible tools that enable people to take control of their credit. Achieving our mission necessitates deep collaboration across teams to ensure our products reach the most underserved populations, particularly the 100 million+ Americans with limited or no credit history.We value diversity and are committed to fostering an inclusive environment for all employees, actively seeking to recruit, develop, and retain talented individuals from diverse backgrounds.Role OverviewThe Senior Information Security Engineer will be pivotal in overseeing application security across all Self Financial products. This role is essential for safeguarding customer data, ensuring compliance with SOC 2 and PCI standards, and collaborating with engineering teams to identify, prioritize, and mitigate security risks throughout the software development lifecycle.Your Responsibilities:Lead end-to-end application security initiatives for all Self Financial products.Conduct vulnerability assessments, manage scanning processes, and oversee remediation efforts using security tools (e.g., SAST).Collaborate closely with engineering and product teams to address critical security vulnerabilities.Conduct third-party vendor security evaluations and risk assessments.Assist in SOC 2 and PCI compliance efforts, including audit preparation and evidence gathering.Identify application-level security vulnerabilities and propose effective mitigation strategies.Integrate secure-by-design methodologies into product development workflows.Stay informed about emerging application security threats and recommend suitable controls.

About Future Secure AI Future Secure AI develops advanced artificial intelligence solutions for enterprise clients worldwide. The team values bravery, rigor, and curiosity, reflected in the company's BRAVER principles. Leadership combines deep experience with an approachable style, and professional growth is a priority. Employees are recognized for their contributions and encouraged to learn alongside colleagues who bring strong technical backgrounds. Role Overview The Platform Infrastructure Engineer will join the Platform Team in Austin, TX. This position focuses on designing, building, and maintaining the infrastructure that powers the FutureSecure.ai platform. The work involves close collaboration with engineers from different groups to keep the platform performant, scalable, and secure. The goal is to support reliable, AI-driven products for enterprise customers.

We are seeking a highly skilled Cyber Security Expert to join our dynamic team at stemxpert1. In this critical role, you will be responsible for identifying vulnerabilities, developing security protocols, and ensuring the protection of our digital assets. You will work collaboratively with IT professionals to implement robust security measures and respond to any security incidents.

Join Our Mission: Innovating Robotics for a Safer Future Diligent Robotics is at the forefront of developing intelligent robots that enhance safety and efficiency in real-world environments. We embrace agility, continuous deployment, and pragmatic engineering principles to create reliable high-risk systems. We are seeking a Staff Technical Lead Manager (TLM) in Security Engineering — a proactive leader who will manage a dynamic team while executing impactful technical initiatives. In this role, you will take charge of the Security Engineering roadmap, deliver secure features, mentor junior engineers, and elevate product and operational security across embedded systems, cloud services, and our supply chain. Key Responsibilities: Lead & Execute: As a TLM, define the technical vision, oversee deliverables, and actively contribute as an individual contributor through design, architecture, coding, reviews, and hands-on proof-of-concept development. Build the Security Program: Formulate and implement the long-term Security Engineering roadmap for device, firmware, cloud, and service security, prioritizing efforts to mitigate the highest business risks. Secure Product Lifecycle: Integrate security throughout the product development process, including threat modeling, secure design reviews, architecture assessments, secure coding practices, and comprehensive verification/testing (fuzzing, static/dynamic analysis). Device & Firmware Security: Lead initiatives on secure boot processes, hardware root of trust, cryptographic design/PKI, OTA update security, device identity management, and secrets management for embedded systems and sensors. Cloud & Infrastructure Security: Ensure the security of backend services, CI/CD pipelines, Infrastructure as Code (IaC), identity and access management, secrets engines, as well as logging, monitoring, and incident detection/response. Vulnerability Management: Spearhead vulnerability identification, triage, and remediation efforts, collaborating with firmware, hardware, cloud, and third-party vendors. Incident Response & Forensics: Lead or support security incident management, including the development of runbooks, playbooks, and conducting blameless postmortems. Mentor & Grow the Team: Recruit, coach, and mentor security engineers, conduct one-on-one sessions, create career development plans, and foster a culture of ownership and continuous improvement. Cross-Functional Partnership: Collaborate with product, firmware, SRE/Ops, QA, and supply chain teams to implement practical security controls and evaluate security outcomes.

About UsTake-Two Interactive Software, Inc. stands as a premier developer, publisher, and marketer of interactive entertainment, captivating consumers worldwide for over 25 years. Our talented development teams have crafted some of the most critically acclaimed and commercially successful titles, consistently delivering high-quality gaming experiences. We pride ourselves on fostering a unique culture that is inclusive, diverse, and dynamic.Our work environment is casual and welcoming, yet we remain steadfast in our commitment to creativity, innovation, and efficiency. We provide ample opportunities for individual and team development in a fast-paced, evolving industry. We work hard, but we also value fun, making this a great place to pursue your passions every day.