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Software Engineer - C++/Networking

Illumio

$138,000 - $159,000
Nov 12, 2025
Sunnyvale, CA, US
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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.

Requirements

  • 1–3 years of C++ development experience (or equivalent coursework for junior roles).
  • Familiarity with system programming, networking, and security concepts.
  • Interest in Kubernetes, containers, and cloud-native technologies.
  • Strong problem-solving and debugging skills.

Responsibilities

  • Develop and maintain C++ agents for workload security, focusing on Zero Trust segmentation.
  • Collaborate with senior engineers to design and implement security features for container and cloud-native workloads.
  • Participate in code reviews and design discussions for new features and subsystems.
  • Integrate with Kubernetes and other container orchestration platforms.
  • Write and optimize multi-process and multi-threaded applications.
  • Debug and enhance system-level security controls.
  • Contribute to telemetry, logging, and monitoring for workload agents.

Other

  • Sunnyvale, California 5 - Days a week
  • Ability to work collaboratively in a fast-paced, security-focused environment.
  • 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.
  • 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.