Lead Systems Engineer - Diagnostics

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

For over a century, Holley Performance Brands has been at the forefront of automotive innovation — powering enthusiasts, racers, and builders who demand performance without compromise. We design, engineer, and manufacture world‑class products.

At Holley, engineering is central to our mission. We’re building the next generation of performance technology — uniting engineering disciplines to create integrated systems that push the boundaries of what’s possible, from the street to the track.

The Lead Systems Engineer – Diagnostics defines and drives the diagnostic architecture across embedded automotive platforms. You will drive the strategy for fault detection and reporting (DTCs, Freeze Frames) on‑board communications (CAN, UDS, J1979/J1939), and interface control – translating product goals into clear, testable system requirements. You will guide cross‑functional teams through design reviews, FMEAs, and integration to ensure robust coverage, traceability, and release readiness.

• Lead diagnostic systems architecture and Interface Control Documents for ECUs and embedded modules.
• Define requirements for DTC strategy, service implementation, OBD‑II/J1979 behaviors, and failure mode logic.
• Host technical discussions/design reviews; drive FMEAs and ensure requirements to test traceability.
• Plan and execute complex diagnostic deliverables from concept through validation and release. Manage field updates.
• Calibrate diagnostic thresholds and ensure successful feature integration.
• Partner with embedded software, validation, and hardware teams to align features, thresholds, and test coverage.
• Build and maintain diagnostic test plans, scripts, and acceptance criteria; analyze data and coverage results.
• Mentor systems engineers, review work products, and manage change control.
• Balance innovation with pragmatic solutions; document decisions and risks clearly for stakeholders.
• Lead root‑cause analysis of field/service/manufacturing/design issues.

• B.S. in Electrical, Mechanical, Software, Mechatronics, Systems Engineering or related field.
• 7+ years in embedded control systems with proven experience in diagnostics and systems engineering.
• Proficiency with CAN, UDS, J1979/J1939, and diagnostic data design.
• Strong systems experience – requirements, ICDs, FMEAs, traceability, test coverage.
• Effective cross‑functional leadership; strong communication and coordination skills.

• Master’s degree in engineering or related field.
• Hands‑on experience with engine tuning, calibration tools, or dyno/vehicle testing.
• Familiarity with CAN, UDS, and other automotive communication protocols.
• Experience with diagnostic architecture, system modeling.
• Experience with OBD compliance (EPA/CARB), and other regulatory compliance (ISO, UL, etc.).
• Knowledge of Internal Combustion Engine fundamentals and Engine Management Systems.

• Shape the future of performance products in a company that values innovation and speed.
• Work alongside passionate experts who share your love for vehicles and technology.
• Build systems that combine engineering excellence into world‑class automotive solutions.

Holley is an Equal Opportunity Employer committed to building a diverse and inclusive workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, marital status, veteran status, disability, or any other legally protected status.

If you require assistance or accommodation due to a disability during the application process, please contact human resources.