Product Security Intern
Job Overview
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.
This is a 12 week internship program beginning on May 26th 2026 or June 22nd 2026
Location: Onsite 5 day's a week at Headquarters in Sunnyvale, CA
Our Team's Vision:
As a Product Security Intern, you’ll work closely with our Product Security team to strengthen the security posture of Illumio’s products through hands-on technical work and automation. You’ll gain exposure to real-world security challenges and contribute to building scalable, proactive security solutions that support our mission to stop breaches before they happen.
This is a great opportunity for someone passionate about cybersecurity, secure development practices, and automation in a fast-paced, high-growth environment.
What You'll Do:
Security Tooling & Automation: Build and maintain scripts and tools to automate vulnerability detection, triage, and remediation
Vulnerability Management: Assist in analyzing and prioritizing vulnerabilities from internal scans, penetration tests, and bug bounty reports
Secure Code Review: Participate in manual and automated reviews to identify and mitigate security flaws in our codebase
Security Research: Investigate emerging threats, attack vectors, and mitigation strategies relevant to our technology stack
Knowledge Base Development: Create and maintain internal documentation, including threat models, remediation guides, and best practices
Cross-Team Collaboration: Partner with engineering teams to integrate security into the software development lifecycle (SDLC) and promote secure coding practices
What You'll Bring:
Currently enrolled in a full-time Bachelor’s degree program in Computer Science with relevant coursework in cybersecurity and an expected graduation date in Winter 2026/Spring 2027
Experience with Python, Java, Go, or C++
Familiarity with security tools such as SAST, DAST, dependency scanners, and container security platforms
Understanding of common vulnerabilities (e.g., OWASP Top 10) and secure coding principles
Strong analytical and problem-solving skills
Excellent written and verbal communication
Ability to work independently and collaboratively in a fast-paced environment
What You'll Gain:
Real-World Experience: Work on active security initiatives that directly impact product safety and customer trust
Mentorship & Learning: Collaborate with experienced security engineers and participate in code reviews, threat modeling sessions, and tooling discussions
Exposure to Modern Security Practices: Learn how security is embedded into the SDLC at a leading cybersecurity company
Career Development: Build a strong foundation in product security, automation, and secure development — skills highly valued across the industry
Compensation: $ 37 USD
Our Commitment:
Illumio believes that an environment of unique backgrounds, experiences, viewpoints, and individual contributions drives our success and makes us stronger together. We are dedicated to creating and maintaining a diverse culture and emphasizing inclusion and belonging.
#LI-PO #LI-ONSITE
All official job offers from our company 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.