Sr. Member of Technical Staff - Platform

Illumio; San Jose (CA); On-site; USD 160,000 - 210,000; Full time

Job summary

Illumio seeks a senior engineer to build C++ system services for the Illumio Virtual Enforcement Node and to develop a lightweight agent that runs inside application workloads to enforce security policies.

You will work across Unix, Windows and MacOS to minimize footprint and contribute to the Adaptive Security Platform. The role emphasizes ownership, disciplined engineering, and innovation.

Qualifications

• Bachelor’s in computer science or equivalent degree; Master’s degree is a plus.
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Responsibilities

• Build C++ system services for the Illumio Virtual Enforcement Node.

Skills

C++

Networking

Distributed systems

Software development

Creative thinking

US work authorization

Education

Bachelor's degree in Computer Science

Master's degree a plus

Job description

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.

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.

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.