Senior Product Cybersecurity Engineer - Offensive Product Security

GM • Milford, MI

6d • Hybrid

About The Position

The Senior Product Cybersecurity Engineer, Offensive Product Security role is part of General Motors’ Product Cybersecurity organization. It focuses on offensive security services that strengthen confidence in the security of GM’s product portfolio. Through penetration testing, security assessments, and security research, the engineer identifies meaningful weaknesses in software, systems, and product implementations across embedded vehicle software, mobile experiences, and product-backed software and services. The role works closely with product teams to assess real-world attack paths, validate risk, and provide actionable findings that help mature the secure SDLC.

The selected candidate is expected to report to a specific location at least three times a week, or at another frequency determined by their manager. Relocation benefits are available to candidates who qualify under company policy. GM does not provide immigration-related sponsorship for this role.

Requirements

• At least 6 years of experience in penetration testing, product security, security research, or similar roles.
• Experience with offensive security testing across applications, software, and systems.
• Experience with penetration testing, security assessments, vulnerability research, or exploit validation.
• Working knowledge of embedded security, operating system security, application security, and networking.
• Ability to read and write software in one or more programming languages to support investigation and tooling.
• Strong ability to communicate technical findings and work with engineers on remediation.
• Technical curiosity and developing offensive security instincts across complex product domains.
• A rigorous and detail-oriented approach to technical investigation and exploit validation.
• Sound judgment on risk, exploitability, and practical impact across software and systems.
• Ability to work independently on defined technical problems while collaborating on ambiguous attack surfaces.
• Commitment to helping engineers improve security through clear, actionable, and risk-ranked findings.

Nice To Haves

• Prior experience in the automotive industry or a similarly complex, deadline-driven, and regulated field.
• Experience working on automotive security or another relevant area of the secure SDLC.
• Published cybersecurity research projects, such as conference talks, blog posts, or code repositories.
• Experience building custom offensive tooling or extending existing security testing capabilities.

Responsibilities

• Perform penetration testing and security assessments across software, systems, and product environments.
• Conduct security research targeting meaningful product and technology risks.
• Support offensive assessments across embedded, mobile, and backend environments.
• Identify vulnerabilities, validate impact, and provide clear remediation guidance.
• Partner with engineering teams to improve security through practical technical findings.
• Contribute to improving offensive methods, tooling, and testing approaches across the portfolio.

Benefits

• Relocation benefits are available for candidates who qualify under company policy.
• GM describes benefits and well-being support through its Total Rewards resources; specific benefits are not listed in the posting.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed