Senior Product Cybersecurity Engineer - Offensive Product Security

Job Description The Role The Senior Product Cybersecurity Engineer, Offensive Product Security role sits within the broader Product Cybersecurity organization at General Motors and focuses on offensive security services that help strengthen confidence in the security of our product portfolio. Through penetration testing, security assessments, and security research, this engineer helps identify meaningful weaknesses in software, systems, and product implementations across embedded vehicle software, mobile experiences, and product-backed software and services. This role works closely with product teams to assess real-world attack paths, validate risk, and provide actionable findings that help identify areas to mature in our secure SDLC. What You'll Do • Perform penetration testing and security assessments across software, systems, and product environments • Conduct security research that targets 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 the improvement of offensive methods, tooling, and testing approaches across the portfolio Your Skills & Abilities (Required Qualifications ) • 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 • Able 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 What Will Give You A Competitive Edge (Preferred Qualifications ) • Prior role(s) 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 (e.g. conference talks, blog posts, code repositories) • Experience building custom offensive tooling or extending existing security testing capabilities What You'll Bring 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 The ability to work independently on defined technical problems while collaborating on ambiguous attack surfaces A commitment to helping engineers improve security through clear, actionable, and risk-ranked findings #LI-SB3 GM does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need GM immigration sponsorship now or in the future. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H1-B, OPT, STEM OPT, CPT, TN, J-1, etc). This role is categorized as hybrid. This means the selected candidate is expected to report to a specific location at least 3 times a week {or other frequency dictated by their manager}. Relocation benefits are available for candidates who qualify under company policy. About GM Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our wor