Engineering Intern, Product Security

As a Product Security Intern, you will help secure our products through a combination of secure code review, vulnerability triage, research, and automation. You'll work alongside experienced security engineers, gain real-world exposure to Illumio's platform, and learn how security is embedded throughout the software development lifecycle (SDLC). This is a 12 week internship program beginning on May 24th 2027 or June 21st 2027. Location: 4 on-site days a week in Sunnyvale, CA headquarters.

Responsibilities

Gain in-depth knowledge of 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 that streamline vulnerability detection and triage; Research emerging threats, attack vectors, and mitigation strategies relevant to Illumio's technology stack; Contribute to internal security documentation, such as best practices and remediation guides, and help promote secure coding practices across engineering teams

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/Spring 2027; Coursework or project experience in areas such as secure coding, application security, or network security; Familiarity with at least one programming language (e.g., Python, Ruby, Go, 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; Candidates must have valid U.S. work authorization for the full duration of the internship

Nice to have

Scripting experience; Basic understanding of common vulnerabilities (e.g., OWASP Top 10)

Benefits

Stipend to help support you during the internship; Events & Experiences providing opportunities to connect with fellow Illumineers; Giving Back opportunities to volunteer and make an impact in the community; Meals & Snacks including a fully stocked office, snacks and beverages, and catered lunch every day