Senior Software Engineer - C++/Networking at Illumio | Sunnyvale, CA

IllumioSunnyvale, California - HQ

On-site Full-time

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Experience Level

Senior

Qualifications

Bachelor’s degree in Computer Science or equivalent; Master's degree preferred5+ years of experience in developing distributed and scalable software solutionsExpertise in C++ programming (C++11/14/17/20)

About the job

Join Us in Shaping Cybersecurity!

At Illumio, we are at the forefront of ransomware and breach containment, transforming how organizations tackle cyberattacks and maintain operational resilience. Leveraging the Illumio AI Security Graph, our advanced breach containment platform effectively 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, reinforcing cyber resilience for the critical infrastructure, systems, and organizations that sustain our world.

Our Engineering Vision:

Our Engineering team thrives on a culture of visionary leadership, autonomy, and ownership, fostering a dynamic synergy that propels us in an ever-evolving cybersecurity landscape.

By joining our team, you will become part of the leader in Zero Trust Segmentation. You will engage with a cutting-edge technology stack encompassing operating systems, distributed applications, and immersive UI/visualization tools.

Together, we are defining the future of cybersecurity, continuing to build world-class products led by diverse perspectives and a commitment to innovation during a time of unprecedented cybersecurity challenges.

Your Role:

You will architect a groundbreaking approach to orchestrating Zero Trust segmentation down to the application and pod/container level, effortlessly identifying and blocking attack pathways within the container ecosystem.
Utilize the latest technologies and C++ standards.
Deepen your understanding of modern container platforms such as Kubernetes, Istio, OpenShift, AKS, EKS, and GKE.
Take ownership of designing critical features and subsystems, meticulously refining all details and defending your design choices to your peers.
Deliver robust implementations that are elegant, simple, scalable, stable, secure, and supportable, ensuring our product protects the critical infrastructure of large enterprises.
Collaborate with the field organization and pivotal customers to shape this innovative product.

Your Toolkit:

Bachelor’s degree in Computer Science or a related field; a Master’s degree is a plus.
5+ years of experience in building distributed and scalable software systems.
Proficiency in C++ (versions 11/14/17/20).

About Illumio

Illumio is a pioneering leader in ransomware and breach containment, utilizing innovative technology to redefine how organizations manage cyber threats and maintain resilience. Our commitment to Zero Trust principles ensures that we protect the critical infrastructure of enterprises worldwide.

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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,…

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Mar 23, 2026

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Senior Engineer - Container Security at Illumio | Sunnyvale, CA

Illumio

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

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Illumio

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

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Mar 23, 2026

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Senior Software Engineer at Illumio | Sunnyvale, California

Illumio

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

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Apr 22, 2026

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Staff Engineer, Cloud Security at Illumio | Sunnyvale, CA

Illumio

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

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Apr 22, 2026

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Senior Full Stack Developer at Illumio | Sunnyvale, California

Illumio

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

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Nov 10, 2025

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Deal Desk Strategist at Illumio | Sunnyvale, CA

Illumio

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

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Apr 23, 2026

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Sales FP&A Manager at Illumio | Sunnyvale, California

Illumio

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

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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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Senior C++/Networking Engineer at Illumio | Sunnyvale, CA

Illumio

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

Join Us in Transforming Cybersecurity!Illumio stands at the forefront of ransomware and breach containment, revolutionizing how organizations tackle cyber threats and bolster operational resilience. Leveraging the power of the Illumio AI Security Graph, our breach containment platform adeptly identifies and mitigates threats across hybrid multi-cloud environments, effectively halting the spread of attacks before they escalate into crises.As a recognized leader in the Forrester Wave™ for Microsegmentation, Illumio empowers Zero Trust, enhancing cyber resilience for the critical infrastructure, systems, and organizations that sustain our world.Our Vision:Our Engineering team is cultivated in a culture that champions visionary leadership, autonomy, and ownership, fostering a vibrant synergy that propels us forward in the dynamic realm of cybersecurity.When you become part of our team, you align with the leader in Zero Trust Segmentation. You will engage with a cutting-edge technology stack encompassing operating systems, distributed applications, and advanced UI/visualization tools.Together, we are charting the course for the future of cybersecurity, continually developing world-class products with a diverse team committed to innovation during a time of unprecedented cyber threats.Your Contributions:Develop groundbreaking methods for orchestrating Zero Trust segmentation down to the application and pod/container level, pinpointing and easily obstructing attack pathways within the container ecosystem.Utilize the latest technologies and C++ standards to build scalable solutions.Enhance your understanding of modern container platforms such as Kubernetes, Istio, OpenShift, AKS, EKS, GKE, and more.Take ownership of critical features and subsystems, dive deep into details, and advocate for your designs within the team.Deliver robust implementations that are elegant, simple, scalable, stable, secure, and maintainable, safeguarding the critical infrastructure of significant enterprises.Collaborate with field organizations and key customers to influence the development of this groundbreaking product.Your Skills:Bachelor’s degree in Computer Science or a related field; Master’s degree is a plus.8+ years of experience in building distributed and scalable software systems.Proficient in C++ programming (versions 11/14/17/20).

Jun 16, 2025

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Senior Software Engineer - C++/Networking at Illumio | Sunnyvale, CA

Illumio

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

Join Us in Shaping Cybersecurity!At Illumio, we are at the forefront of ransomware and breach containment, transforming how organizations tackle cyberattacks and maintain operational resilience. Leveraging the Illumio AI Security Graph, our advanced breach containment platform effectively 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, reinforcing cyber resilience for the critical infrastructure, systems, and organizations that sustain our world.Our Engineering Vision:Our Engineering team thrives on a culture of visionary leadership, autonomy, and ownership, fostering a dynamic synergy that propels us in an ever-evolving cybersecurity landscape.By joining our team, you will become part of the leader in Zero Trust Segmentation. You will engage with a cutting-edge technology stack encompassing operating systems, distributed applications, and immersive UI/visualization tools.Together, we are defining the future of cybersecurity, continuing to build world-class products led by diverse perspectives and a commitment to innovation during a time of unprecedented cybersecurity challenges.Your Role:You will architect a groundbreaking approach to orchestrating Zero Trust segmentation down to the application and pod/container level, effortlessly identifying and blocking attack pathways within the container ecosystem.Utilize the latest technologies and C++ standards.Deepen your understanding of modern container platforms such as Kubernetes, Istio, OpenShift, AKS, EKS, and GKE.Take ownership of designing critical features and subsystems, meticulously refining all details and defending your design choices to your peers.Deliver robust implementations that are elegant, simple, scalable, stable, secure, and supportable, ensuring our product protects the critical infrastructure of large enterprises.Collaborate with the field organization and pivotal customers to shape this innovative product.Your Toolkit:Bachelor’s degree in Computer Science or a related field; a Master’s degree is a plus.5+ years of experience in building distributed and scalable software systems.Proficiency in C++ (versions 11/14/17/20).

Jun 16, 2025

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Sales Operations Manager

Illumio

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

Illumio seeks a Sales Operations Manager to join the team at its Sunnyvale, California headquarters. This role centers on refining sales processes, supporting revenue goals, and driving performance improvements. The Sales Operations Manager partners with colleagues in sales, marketing, and finance to keep strategic projects moving forward. Key responsibilities Review and analyze sales data to spot trends and highlight areas for growth Create and manage reporting tools that track sales performance Promote and implement best practices in sales operations across the company Work closely with sales, marketing, and finance teams to ensure alignment on objectives and execution Requirements Background in sales operations Strong analytical skills with a keen eye for detail Ability to collaborate effectively with multiple teams Genuine interest in making sales processes more efficient This position is based onsite at Illumio’s headquarters in Sunnyvale, California.

Apr 24, 2026

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Senior Site Reliability Engineer for AI/ML Innovations

Intuitive Surgical, Inc.

Full-time|On-site|Sunnyvale

Join our dynamic team as a Senior Site Reliability Engineer focused on AI/ML solutions. In this role, you will leverage your expertise to enhance the reliability, scalability, and performance of our cutting-edge AI-driven products. You will work collaboratively with cross-functional teams to design, implement, and maintain robust systems that support our mission to revolutionize surgical technology.

Dec 25, 2025

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