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CelLink Technologies

Manufactures flex harnesses for automotive

Power Electronics Validation Engineer

Full-TimeUpdated on 10/23/2026
No salary listed
Mid, Senior
Bachelor's, Master's
San Carlos, CA, USA
In Person100% onsite; travel as needed, up to 20%.
Hardware EngineeringHardware Validation & Testing

About the job

Requirements
  • A bachelor's or master's degree in Electrical Engineering or a related field is preferred.
  • Three to six years of experience in a development or validation engineering role.
  • Hands-on power electronics laboratory experience, including oscilloscopes, power analyzers, and thermal imaging.
  • Experience sourcing and specifying custom components from new suppliers.
  • Ability to independently develop and execute test plans and summarize results.
  • Ability to travel as needed, up to 20%.
Responsibilities
  • Design, plan, and execute design verification test and engineering validation test programs, including protocol development, fixture design, data analysis, and results reporting.
  • Source and specify at least two custom-designed components from new suppliers with no existing source, managing to lead times under six weeks.
  • Lead technical discussions on power delivery architecture, bus bar and flex circuit electrical performance, signal integrity, and thermal management relevant to server platforms.
  • Support mechanical integration of new components into existing assemblies.
  • Participate in design release activities with guidance from senior engineers and support production part approval process coordination.
  • Collaborate cross-functionally on manufacturing readiness and process development.
Desired Qualifications
  • Experience with data center server power delivery systems or similar high-reliability electronics.
  • Familiarity with production part approval process or formal design release processes.
  • Experience with flex circuit or busbar interconnect products.

About the company

CelLink manufactures flex harnesses: thin, large-area flexible circuits that replace traditional wiring harnesses by carrying power, data, and sensing in one integrated circuit. It uses automated, tool-less manufacturing to produce high-volume, easily reconfigurable circuits that integrate busing, fusing, and monitoring. Compared with conventional wiring, flex harnesses reduce weight by over 70% and volume by over 90%, enabling lighter, more compact systems in vehicles, data centers, and grid storage. The company sells directly to OEMs and hyperscalers and aims to accelerate electrification and digital infrastructure with scalable manufacturing.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

San Carlos, California

Founded

2011

Simplify Jobs

Simplify's Take

What believers are saying

  • DOE closed CelLink’s $362 million Georgetown loan in April 2024.
  • CelLink said July 2026 funding raised another $100 million at $989 million valuation.
  • March 2026 workforce data shows 175 employees and 34 active postings.

What critics are saying

  • Georgetown production timeline slipped from mid-2023 to 2025 openings, signaling execution strain.
  • A 175-person workforce cannot staff a 1,200-job factory without sustained hiring.
  • Failure to ramp Georgetown before DOE milestones jeopardizes financing and plant viability.

What makes CelLink Technologies unique

  • CelLink’s CCA+ folds bussing, sensing, and fusing into one flex circuit.
  • Its zero-tooling manufacturing enables design changes without new hardware.
  • October 2025 data-center flex circuits target megawatt racks and robotic assembly.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Paid Vacation
  • Paid Holidays
  • Unlimited Paid Time Off
  • Flexible Work Hours
  • Hybrid Work Options
  • Remote Work Options
  • Wellness Program