Sr. Mechanical Engineer

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.

Sr. Mechanical Engineer 

ONSITE in Berkeley, CA

Domain-Specific Skills

• Strong mechanical product-development background with cost-reduction and DFM leadership.
• Advanced SolidWorks capability for parts, assemblies, drawings, configurations, and design changes.
• Structures, sheet metal, welded assemblies, piping, fittings, plastics, tolerance analysis, and mechanical interfaces.
• Ability to combine CAD, CAE results, supplier feedback, validation planning, and cost data into design decisions.

Key Responsibilities

• Lead mechanical work packages and allocate activities across the mechanical team.
• Develop and review redesign concepts for pack structures, roof/base skid, cell hardware, piping, fittings, scrubber vessel, and sustaining issues.
• Drive design reviews, problem resolution, supplier DFM discussions, and cross-functional decisions.
• Ensure designs maintain critical interfaces and backward compatibility where required.
• Review CAD, drawings, GD&T, tolerance analyses, BOMs, cost estimates, and validation plans.
• Coordinate FEA, CFD, plastics, materials, electrical, manufacturing, and sourcing inputs.

Required Skills / Experience

• 7+ years of mechanical product-development experience, including technical ownership of complex assemblies.
• Experience in product design from concept through detailed design, verification, release, and production support.
• Working knowledge of GD&T, tolerance analysis, DFM/DFA, DFMEA, and engineering change control.
• Ability to communicate technical tradeoffs, risks, and recommendations across design, manufacturing, analysis, suppliers, and customers.
• Advanced SolidWorks; experience with PLM/PDM and formal release processes.
• Demonstrated cost-reduction, supplier collaboration, and technical-leadership experience.

Salary Range: $120,000-$140,000/K

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.