Senior Product Cybersecurity Engineer - Offensive Product Security

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, 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}.

• 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

We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team., General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.