We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.
As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.
When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.
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
All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.
Please beware of job seeker scams and see this important notice on our careers page for more information about our recruiting process.
Compliance Notice: Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.
Drug Screening Requirement: As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.
Based on 2,306 disclosed Hardware salaries on RoleSuite, the role pays a median of $135K/year, with most offers between $109K and $171K (10th–90th percentile: $91K–$207K).
This posting lists $100K–$120K, below the $135K market median.
See the full Hardware salary breakdown →