Mechanical CAD Designer – Automotive ECU Packaging

Compute & Connectivity Hardware (CCH) is part of GM’s Vehicle Software & Electronics Engineering (VSEE) organization within Software & Services Engineering. The team develops the physical hardware foundation for GM’s software-defined vehicles, including compute, connectivity, networking, displays, and other electronic platforms that enable in-vehicle software, infotainment, ADAS, vehicle controls, and connected experiences.

CCH’s work spans architecture, requirements, hardware and electronics design, embedded hardware, systems integration, validation, launch, and in-market performance. Our engineers collaborate across software, systems, controls, cybersecurity, functional safety, vehicle engineering, suppliers, and manufacturing to develop reliable, production-ready hardware for GM’s vehicle portfolio.

• →Design ECU housings, brackets, covers, heat sinks, mounting features, and related mechanical components in Siemens NX.
• →Develop and lead vehicle-level packaging studies, including space claims, clearances, mounting, serviceability, harness and connector interfaces, and assembly requirements.
• →Create detailed 3D models, assemblies, 2D drawings, BOMs, and engineering release documentation.
• →Apply GD&T, tolerance analysis, DFM, DFA, and DFQ principles to deliver robust, manufacturable designs.
• →Collaborate with hardware, electrical, thermal, EMI/EMC, validation, manufacturing, and vehicle integration teams.
• →Support thermal packaging, structural assessments, prototype builds, validation, root-cause investigations, and production launch activities.
• →Work with suppliers and manufacturing teams to resolve feasibility, tooling, assembly, and build issues.
• →Support engineering changes, design reviews, PLM activities, and continuous product improvement.

• Participate in vehicle-level package studies to ensure compliance with space claim, clearance, and interface requirements.
• Influence mechanical interfaces between ECU hardware, wiring harnesses, connectors, and vehicle structures.
• Support integration of ECUs into zonal architectures, centralized compute systems, and connectivity platforms.

• Work closely with hardware, electrical, thermal, EMI/EMC, validation, and manufacturing teams throughout product development.
• Support design reviews, CAD reviews, and cross-functional engineering activities.
• Collaborate with suppliers to ensure design feasibility and manufacturability.
• Incorporate Design for Manufacturing (DFM), Design for Assembly (DFA), and Design for Quality (DFQ) principles into component designs.
• Support engineering change management and continuous product improvements.

• Support thermal packaging activities, including heat sink integration, airflow considerations, and thermal interface design.

• Generate detailed component and GD&T-compliant engineering documentation.
• Maintain BOM structures and engineering release packages.

• Bachelor's degree in mechanical engineering, Mechanical Engineering Technology, or related field OR 10 + years of CAD mechanical design experience on automotive components
• Experience designing mechanical components and assemblies using Siemens NX.
• Strong understanding of automotive electronics packaging and ECU design.
• Experience creating production-ready 3D models, detailed drawings, and assembly documentation.
• Knowledge of GD&T, tolerance analysis, and manufacturing processes.
• Experience supporting product development from concept through production.
• Strong communication and collaboration skills.

• Experience designing automotive ECUs, modules, compute platforms, gateways, or connectivity hardware.
• Knowledge of die-cast aluminum, plastic injection molding, sheet metal, and stamped component design.
• Familiarity with thermal management solutions for electronic hardware.
• Experience with automotive EMC considerations.
• Understanding of wiring harness integration, connectors, and vehicle architecture.
• Experience with Teamcenter PLM.

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