Senior Product Cybersecurity Engineer - Secure Product Architecture

Job DescriptionThe RoleThe Senior Product Cybersecurity Engineer role sits within the broader Product Cybersecurity organization at General Motors and focuses on protecting in-vehicle systems, their trust boundaries, and access to vehicle functions. This engineer acts as a security design owner for in-vehicle security, including gateway security as well as secure diagnostics, unlock, and firewall capabilities, across current and next-generation software-defined vehicle platforms.What You’ll DoOwn and evolve the security design for secure diagnostics, secure unlock, in-vehicle private networks, gateways, and firewall capabilities.Translate threat assessments and architectural decisions into clear, testable security requirements for vehicle systems, platforms, and supplier-delivered components.Define and maintain security policies that control diagnostic access, communication paths, trust boundaries, and traffic between in-vehicle domains.Develop, maintain, and mature in-vehicle firewall and gateway policies as vehicle architectures, services, and delivery requirements evolve.Partner with engineering, architecture, validation, service, and supplier teams to ensure security controls and policies are implemented correctly.Lead and support security design, policy, and implementation reviews across internal teams and suppliers.Identify gaps, assess risk, and drive practical improvements to diagnostic access, secure unlock, gateway security, and firewall policy enforcement.Keep security requirements, design decisions, and policy artifacts current with software-defined vehicle delivery timelines and platform changes.Serve as a subject-matter expert for secure diagnostics and in-vehicle security, and build self-service references that help the broader team scale.Your Skills & Abilities (Required Qualifications)6+ years of experience in product, embedded, vehicle, or automotive cybersecurity, with hands-on ownership of security design, requirements, or policy development.Strong working knowledge of secure diagnostics, secure vehicle access, in-vehicle security, gateways, and firewalls.Solid understanding of embedded security principles, including authentication, authorization, access control, secure communication, and protection of sensitive vehicle functions.Experience translating threat assessments and architectural decisions into technical security requirements and policies for internal engineering teams and suppliers.Experience owning or maintaining security policies and requirements across the development lifecycle.Demonstrated ability to lead security design and implementation reviews and align stakeholders across engineering, validation, service, architecture, and supplier teams.Strong communication and technical documentation skills, with the ability to explain complex security concepts to both cybersecurity and non-cybersecurity audiences.Bachelor’s or master’s degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or equivalent practical experience.What Will Give You A Competitive Edge (Preferred Qualifications)Experience with software-defined vehicle architectures and evolving in-vehicle system designs.Experience working across supplier-delivered electronic control units, gateways, firewall platforms, diagnostic systems, and secure firmware ecosystems.Experience defining or managing firewall policies, gateway security policies, and communication security requirements.Prior embedded development, systems engineering, or vehicle engineering experience.Prior role or experience in the automotive industry or a similarly complex, deadline-driven, and regulated field.Familiarity with threat assessment processes and translating threat outputs into security requirements, implementation guidance, and validation objectives.Experience balancing security rigor with platform capability, supplier constraints, and vehicle program timing.What You’ll BringDeep ownership instinct — you drive requirements, policy gaps, and blocked items to closure rather than waiting for others.A pragmatic approach that balances security rigor against real platform capability, supplier readiness, and vehicle program timing.Clear technical judgment on risk, access control, trust boundaries, and how security requirements should be specified and implemented.Strong communication skills and a habit of packaging knowledge so teams can scale without depending on a single expert.A collaborative mindset that helps engineering and supplier teams build secure vehicle capabilities early rather than reviewing from the outside.Curiosity and adaptability as vehicle architectures, services, and cybersecurity expectations continue to evolve.#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 GMOur 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 world better, safer and more equitable for all.Why Join UsWe 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.Benefits OverviewFrom day one, we're looking out for your well-being–at work and at home–so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources.Non-Discrimination and Equal Employment Opportunities (U.S.)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.All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws. We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire.AccommodationsGeneral Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, emailus or call us at View phone number on click.appcast.io. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.SummaryLocation: Warren, Michigan, United States of America; Milford, Michigan, United States of AmericaType: Full time