Mechanical Engineer

Cohu is seeking a highly motivated Mechanical Engineer to design and develop precision electro-mechanical systems for semiconductor automated test equipment platforms, with a strong focus on mechanical integration of PCBs. The ideal candidate has hands-on experience in precision mechanical assemblies, PCB support structures, and system-level design, supporting products from concept through production.

Key Responsibilities

• Lead mechanical design for PCB assemblies, including component mounting, board support structures, thermal management, and integration within test equipment.
• Design precision electro-mechanical systems such as motion mechanisms, structural components, and enclosures.
• Develop 3D CAD models, detailed drawings, tolerance analyses, and BOMs for mechanical and PCB components.
• Support system integration, verification, and qualification testing during new product development.
• Perform structural and thermal analysis using FEA and CFD tools, including thermal validation for PCB assemblies.
• Investigate failures and implement corrective design actions.
• Support mechanical integration of semiconductor test cells, including tester interfaces, device handlers, and manipulators.
• Collaborate with hardware and applications teams to ensure system-level and PCB-level performance.
• Work with Manufacturing and Supply Chain on vendor selection, part qualification, and cost optimization.
• Document designs, changes, and engineering updates using standard processes.

Required Qualifications

• BS in Mechanical Engineering (MS preferred).
• Minimum 5 years of experience designing electro-mechanical systems or capital equipment.
• Strong hands-on experience in precision mechanical assemblies and PCB support structures.
• Proficiency with 3D CAD software (SolidWorks, Creo) and GD&T.
• Experience with FEA and/or CFD analysis tools.
• Knowledge of mechanical integration in complex systems, including PCB design, EMN creation, thermal management, DFM/DFA, and interconnect systems.
• Familiarity with Agile development, Oracle PLM systems, and cross-functional collaboration for system and PCB integration.
• Experience supporting products through development and production cycles.
• Electromechanical applications experience in semiconductor or related industries.

Preferred Experience

• Semiconductor equipment or automated handling/test systems.
• Experience with suppliers and manufacturing teams.
• Exposure to motion systems, thermal management, electronic packaging, or PCB-level mechanical integration.