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Prototype Hardware Technician: Hands-on Build & NPI

Job in San Carlos, San Mateo County, California, 94071, USA
Listing for: CelLink
Full Time position
Listed on 2026-09-25
Job specializations:
  • Manufacturing / Production
    Manufacturing Engineer, Production QC/QA, Quality Engineering, Production Associate / Production Line
Job Description & How to Apply Below

Cel Link is redefining how power and data move through next-generation systems, from EVs to data centers. We’re looking for a hands-on, detail-oriented Technician to support the build of our ultra-thin flexible harness technology.

This is a great opportunity for someone who enjoys working with their hands, building real hardware, and contributing to innovative products in a fast-paced manufacturing environment.

Essential Duties and Responsibilities

  • Perform detailed hand assembly of prototype components, including flexible harnesses and connector assemblies
  • Support flex circuit prototype manufacturing, including material prep and build execution
  • Operate and assist with manufacturing equipment used in prototype and early production environments
  • Assist engineers with build support during NPI and prototype development, including setup, execution, and troubleshooting
  • Prepare materials and components for builds, ensuring readiness and accuracy
  • Support validation and testing activities, including:
    Pull testing, Cross-sectioning, Basic electrical checks (e.g., resistance measurements)
  • Assist in processes such as precision joining and validation workflows (e.g., weld inspection and verification)
  • Utilize 3D printing and other rapid prototyping tools to support fixture and tooling development
  • Generate, organize, and maintain documentation for builds, tooling, and work instructions
  • Follow detailed work instructions with a high level of precision and consistency
  • Monitor material levels and support inventory and production readiness
  • Identify issues during builds and proactively support troubleshooting and process improvements

Minimum Qualifications (Knowledge, Skills, and Abilities)

Experience
  • Experience in a lab, manufacturing, or R&D environment (preferred)
  • Strong mechanical aptitude and hands-on mindset
  • Detail-oriented with the ability to follow structured processes
  • Problem-solving attitude and willingness to troubleshoot issues
  • Comfortable performing repetitive tasks with high quality and consistency
  • Basic computer skills (Excel, Word)
  • Strong communication and teamwork skills
  • Self-starter who thrives in a fast-paced environment

Physical Requirements

  • Ability to stand for extended periods and lift up to 30 lbs
  • Comfortable working in a manufacturing environment
  • Use of PPE, including safety glasses and protective footwear

Shift

  • Onsite, Monday–Friday (day shift)
Physical Demands and Work Environment

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform the functions.

Working Conditions/Hours

Salaried Non
- Exempt (hourly)

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 finger, handle, or feel objects, tools or controls. The employee is required to stand; walk; sit; reach with hands and arms and 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

Employee may be required to wear Personal Protective…

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