Mechanical Integration Engineer

CelLink; San Carlos (CA); On-site; USD 100,000 - 150,000; Full time

Job summary

CelLink is hiring for a mechanical/electromechanical validation engineer in the San Carlos, CA area. You will design and execute validation programs for data center, EV, and aerospace interconnects, while collaborating with sourcing and cross-functional teams.

You will bring hands-on mechanical lab experience and strong electrical awareness, contributing to power delivery discussions and design releases. Travel up to 20% may be required.

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering preferred, or a related field.
• 3–6 years of experience in a development, validation, or test engineering role.
• Hands-on mechanical lab experience (mechanical testing, fixture design, environmental testing).
• Experience sourcing custom or off-the-shelf components from new suppliers.
• Comfortable participating in electrical/power electronics technical discussions.
• Ability to travel as needed ( up to 20%).

Responsibilities

• Design, plan, and execute mechanical and electromechanical validation test programs with some guidance on protocol design.
• Source and specify custom and off-the-shelf components from new suppliers, managing to under 6-week lead times.
• Participate meaningfully in technical discussions on power delivery, connector interfaces, and thermal management.
• Support mechanical integration activities for new components.
• Contribute to design release documentation with oversight; support cross-functional coordination.
• Support manufacturing process development and DFM reviews.

Skills

Electrical Engineering

Mechanical lab experience

Component sourcing

Power electronics discussions

Travel up to 20%

Education

Bachelor’s or Master’s in Electrical Engineering or related field

Tools

PPAP familiarity

Job description

CelLink’s ultra-thin, flexible interconnect technology is transforming how next-generation data centers, EVs, and aerospace systems are built. As part of our engineering team, you’ll have the opportunity to directly influence how the world’s most advanced electronic systems are powered and connected.

You will support development and validation of mechanically complex interconnect assemblies for data center server applications. You bring strong mechanical lab instincts paired with solid electrical awareness, and you can independently manage validation workstreams while contributing to sourcing and technical discussions.

Essential Duties and Responsibilities

• Design, plan, and execute mechanical and electromechanical validation test programs with some guidance on protocol design.
• Source and specify custom and off-the-shelf components from new suppliers, managing to under 6-week lead times.
• Participate meaningfully in technical discussions on power delivery, connector interfaces, and thermal management.
• Support mechanical integration activities for new components.
• Contribute to design release documentation with oversight; support cross-functional coordination.
• Support manufacturing process development and DFM reviews.

Minimum Qualifications (Knowledge, Skills, and Abilities)

• Bachelor’s or Master’s degree in Electrical Engineering preferred, or a related field.
• 3–6 years of experience in a development, validation, or test engineering role.
• Hands-on mechanical lab experience (mechanical testing, fixture design, environmental testing).
• Experience sourcing custom or off-the-shelf components from new suppliers.
• Comfortable participating in electrical/power electronics technical discussions.
• Ability to travel as needed ( up to 20%).

Preferred Qualifications

• Experience with electromechanical assemblies or interconnect products.
• Familiarity with data center hardware or server platform requirements.
• Some exposure to PPAP or design release processes.

Base Salary

Final salary determined by experience and level. We’re hiring for multiple positions and will align compensation accordingly.

Working Conditions/Hours

Salaried Exempt

100% onsite

Physical Demands and Work Environment

Physical Demands – Office and Manufacturing Environment

While performing the duties of this position, the employee is regularly required to talk or hear. The employee frequently is required to use hands or fingers, handle, or feel objects, tools, or controls. The employee is required to stand; walk; sit; reach with hands and arms pull/push; climb or balance; and stoop, kneel, crouch, or crawl. The employee must lift and/or move up to 50 pounds without assistance. Specific vision abilities required by this position include close vision, distance vision, color vision, peripheral vision, and the ability to adjust focus.

Work Environment –

Includes both a typical office environment, with minimal exposure to excessive noise or adverse environmental issues, and a shop environment, with exposure to high noise levels from operating machines, physical hazards from moving equipment and machine parts, nuisance dust, and skin exposure to chemicals used to run/maintain machines.

PPE-

May be required to wear Personal Protective Equipment, including but not limited to safety glasses, safety shoes, bump caps, gloves, hair nets, masks, & clean-room frocks while adhering to the prescribed safety procedures.

We believe diversity and inclusion among our teammates are essential to our success. We celebrate diversity and are committed to creating an inclusive environment for all employees while building teams that represent a variety of backgrounds, perspectives, and skills. We are an equal opportunity employer. All employment is decided based on qualifications, merit, and business needs. CelLink participates in the E-Verify program in specific locations as required by law.

CelLink was founded in 2012 and entered volume production in 2018. CelLink provides electrical systems to the world's leading automotive OEMs & EV manufacturers, data center developers, and stationary power companies. The company has raised approximately $315M in funding through private investment and multiple grants from the US Department of Energy. CelLink’s investors include 3M, Atreides, BMW, BorgWarner, Bosch, D1 Capital, Fidelity, Fontinalis Partners, Ford, Franklin Templeton, Lear, Park West, SK Telecom, Standard Investments, T. Rowe Price, Tinicum, and Whale Rock