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Sr. Member of Technical Staff - Platform

MLW LogoMost Loved Workplace® Certified Job
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HQ - Sunnyvale (Office)
Engineering
FullTime

About the Role

At Illumio, a Most Loved Workplace® certified employer in the Technology space, The world leader in breach containment. Built on AI. Made for Zero Trust..

Onwards Together! Illumio is the leader in ransomware and breach containment, redefining how organizations contain cyberattacks and enable operational resilience. Powered by the Illumio AI Security Graph, our breach containment platform identifies and contains threats across hybrid multi-cloud environments – stopping the spread of attacks before they become disasters. Recognized as a Leader in the Forrester Wave™ for Microsegmentation, Illumio enables Zero Trust, strengthening cyber resilience for the infrastructure, systems, and organizations that keep the world running. Our Team's Vision: Our Engineering team is shaping the future of cybersecurity. We thrive on visionary leadership, autonomy, and ownership, fostering a culture of innovation that propels us forward in the ever-evolving cybersecurity landscape. As a leader in Zero Trust Segmentation, we are redefining security for a world facing unprecedented cyber threats. You’ll work with a highly scalable SaaS service built using cloud-native technologies while simultaneously shipping the solution on-premises. Our guiding philosophy in Engineering is to get things right through practicing disciplined engineering, focusing, not cutting corners, and of course having fun while we are at it. We believe in enabling ownership at all levels of the organization and empowering teams. If you thrive in this culture, come join us! Your Impact: The VEN Policy Platform team is seeking a talented engineer with a strong background and interest in Networking, Operating Systems and System Software Development, who will work on our industry-leading Adaptive Segmentation Solution. We are looking for an engineer to build C++ system services for the Illumio Virtual Enforcement Node — a software agent that runs inside application workloads to enforce security policies within the Illumio Adaptive Security Platform. Your C++ code will be used in a lightweight agent that delivers micro-segmentation security by building on proven, pre-existing mechanisms inside both Unix (Linux, Solaris, AIX), Windows and MacOS operating systems, in order to minimize its footprint. Your desire to help build system services, combined with your knowledge of operating systems, will be leveraged to build innovative solutions. Your code will help to secure our customers’ most critical systems and applications. You will have an immediate impact on features within Virtual Enforcement Node, from concept, design, and development, and you will learn from a talented team of engineers. Your Toolkit: Bachelor’s in computer science or equivalent degree. Master’s degree a plus 5+ years building distributed & scalable software systems Strong experience in software applications. Familiarity with networking at the application level. Creative thinking. Proficiency in C++. Have authorization to work in the United States. Bonus Points: Experience with other firewalling technologies such as iptables, nftables, or packet filter. Familiarity with BPF/eBPF This position involves access to software/technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls #LI-TD1 #LI-ONSITE Our Commitment Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions creates a culture of belonging, drives our future, and makes us stronger together in support of our customers and their success. All official job offers from Illumio are extended directly by our recruitment team and will be sent through an official E-Signature document for your review and signature. Please be aware that we do not ask for any personal information in the process of extending offers of employment, such as financial details or social security numbers. Upon acceptance of any offer, we will request such information as part of the onboarding process prior to or on your first day of employment, and only after completing a background check through an authorized third-party vendor. If you receive any communication asking for personal details outside of these processes, please contact us immediately to verify the authenticity of the request. Your security is important to us, and we are committed to a safe and transparent hiring experience. For roles in San Francisco and Los Angeles: Pursuant to the San Francisco Fair Chance Ordinance and the Los Angeles Fair Chance Initiative for Hiring, Illumio will consider for employment qualified applicants with arrest and conviction records.

Want to learn more about what it's like to work at Illumio? View our full profile.

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Why This Is a Most Loved Workplace® Certified Job

What It's Like to Work Here

Lightbulb Continuous Innovation and Creative Problem-Solving
Users Collaborative Cross-Functional Teamwork
Heart Genuine Care and Support for One Another
Shield Ownership and Accountability
Zap Excellence in Execution with Speed
Globe Global Impact and Purpose-Driven Work
Certified for: Most Loved Workplace Most Loved Workplaces® 2026, Most Loved Workplace Most Loved Workplaces® 2025

Frequently Asked Questions About Working at Illumio

Common questions candidates ask about this role and Illumio's workplace

Illumio is a Most Loved Workplace®. Most Loved Workplaces® place love at center of business. Illumio is a Large employer in the Not Declared sector. Explore Illumio careers, culture, employee experience, and open roles.

Please review the specific job listing or contact Illumio's recruiting team for details on remote or hybrid work options for this role.

Salary information may vary by role and location. Please check the specific job listing or discuss compensation during the interview process.

Illumio is an established organization in its industry. The company is a certified Most Loved Workplace®, highlighting a strong, positive culture and committed workforce.

Key benefit categories include: Health and Wellness, Work-Life Balance, Professional Development, Financial and Retirement, Team and Community. You can view more details on their CertCheck profile.

The day-to-day environment is guided by core values such as Continuous Innovation and Creative Problem-Solving and Collaborative Cross-Functional Teamwork and Genuine Care and Support for One Another.

The company has committed to inclusive practices including: Empower Growth and Development and Foster Genuine Trust and Psychological Safety.

They have earned Most Loved Workplace® certifications including: Most Loved Workplace Most Loved Workplaces® 2026 and Most Loved Workplace Most Loved Workplaces® 2025.

Illumio currently has 68 open positions. They are hiring across departments like Engineering, Security, Sales. You can view all current openings at certcheck.mostlovedworkplace.com/companies/illumio/jobs.

The interview process typically involves an initial recruiter screen followed by team interviews. Please contact Illumio's recruiting team for specific details on this role's process.

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