Engineering Intern, Product Security

Illumio • Sunnyvale, CA

2d • $37 - $37 • Onsite

About The Position

This is a 12-week Product Security internship beginning on May 24, 2027, or June 21, 2027. The role is based at Illumio’s Sunnyvale, California headquarters and requires four on-site days per week.

The intern will work with Illumio’s Product Security team, which partners with Engineering and Product Management to build security into the design, development, and delivery of the company’s products. The intern will gain exposure to Illumio’s platform and the software development lifecycle while contributing to secure code review, vulnerability triage, research, and security automation.

Illumio describes itself as a leader in ransomware and breach containment. Its platform uses the Illumio AI Security Graph to identify and contain threats across hybrid multi-cloud environments, and supports Zero Trust and cyber resilience.

Requirements

• Currently enrolled in a full-time Bachelor’s or Master’s degree program in Computer Science, Software Engineering, Cybersecurity, or a related field, with an expected graduation date in Winter 2026 or Spring 2027.
• Coursework or project experience in secure coding, application security, or network security.
• Familiarity with at least one programming language, such as Python, Ruby, Go, or C++.
• Strong interest in application security, vulnerability management, and secure software development.
• Ability to work independently and as part of a team.
• Strong communication and interpersonal skills.
• A passion for learning and continuous improvement.

Nice To Haves

• Scripting experience.
• Basic understanding of common vulnerabilities, such as the OWASP Top 10.

Responsibilities

• Learn Illumio’s platform and how product security protects it from design through release.
• Learn how vulnerabilities are identified, triaged, and remediated using findings from static and dynamic analysis tools, penetration tests, and bug bounty programs.
• Participate in secure code reviews and threat modeling alongside experienced security engineers.
• Help build security automation scripts and tools to streamline vulnerability detection and triage.
• Research emerging threats, attack vectors, and mitigation strategies relevant to Illumio’s technology stack.
• Contribute to internal security documentation, including best practices and remediation guides, and help promote secure coding practices across engineering teams.

Benefits

• Hands-on experience with real-world product security challenges at Illumio.
• Exposure to modern security tools, including SAST, DAST, and dependency scanners, and to secure development practices.
• Insight into vulnerability management, threat modeling, and secure code review in practice.
• Mentorship from experienced security engineers and technical leaders.
• A deeper understanding of how security is embedded into the software development lifecycle.
• A supportive and inclusive environment that values curiosity, ownership, and continuous learning.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern