Lead Systems Engineer - Diagnostics

Job Description

Job Description

Reports To

Sr. Engineering Manager – Systems Engineering

About Holley Performance Brands

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.

Position Summary

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.

Key Responsibilities

• 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 revies; 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.

Required Qualifications

Preferred Qualifications

Why Join Holley

At Holley Performance Brands, you’ll be part of a team that engineers products trusted by performance enthusiasts worldwide. You’ll have the opportunity to :

Join us and help power the next generation of performance.

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.