Location: Berkeley, CA We are seeking a Wire Harness Design Engineer to support the design and development of fire suppression systems for utility-scale Battery Energy Storage Systems (BESS). This role will be responsible for creating complete 3D models and 2D production drawings for fire suppression system wire harnesses, integrating off-the-shelf equipment, and supporting the release of manufacturing-ready engineering documentation. The engineer will develop complete 3D harness designs and manufacturing documentation, working closely with Integration Engineers and Mechanical Engineering Team Leads to deliver production-ready harness solutions that support procurement, manufacturing, quality control, assembly, and field deployment. Responsibilities • Develop complete 3D CAD models and assemblies using SolidWorks for fire suppression systems deployed within BESS installations. • Create harness routing and integration solutions for: • Harness pass-throughs within enclosures • Internal harness mounting provisions • Off-the-shelf HVAC system interfaces • Actuated valves and release modules • Temperature detectors, horns, and manual release assemblies • Develop complete 3D harness definitions and associated manufacturing documentation. • Ensure proper packaging, serviceability, and manufacturability of harness designs. • Participate in design reviews and technical discussions with cross-functional teams. Qualifications • Bachelor's degree in Electrical Engineering, Mechanical Engineering, Mechatronics Engineering, or related technical discipline. • 3+ years of experience designing electrical wire harnesses for industrial equipment, energy systems, automotive, aerospace, or heavy equipment applications. • Proficiency using Zuken harness design software. • Experience creating: • Harness schematics • Harness drawings • Connector definitions • Bill of materials • Manufacturing documentation • Experience with harness routing, packaging, and integration into mechanical assemblies. • Familiarity with connectors, terminals, backshells, cable protection, and harness retention methods. • Ability to interpret and create engineering drawings and technical documentation. • Strong communication and cross-functional collaboration skills. Bonus Qualifications • Experience with utility-scale Battery Energy Storage Systems (BESS), renewable energy, power electronics, or industrial control systems. • Experience with fire suppression systems, detection systems, or safety-critical electrical systems. • Experience with: • SolidWorks Electrical • ECAD-MCAD integration • 3D harness modeling • Knowledge of low-voltage power distribution and control systems. • Familiarity with environmental and regulatory requirements for outdoor electrical systems. • Experience with Design for Manufacturing (DFM) and Design for Assembly (DFA) principles. • Experience supporting products from concept through production release. Salary Range: • $100,000-120,000 • The actual salary offered is dependent on various factors including, but not limited to, location, the candidate's combination of job-related knowledge, qualifications, skills, education, training, and experience