Manufacturing Process & Equipment Engineering Intern, Summer 2026

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Join CelLink this summer and work on high-impact projects that directly support manufacturing operations and next-generation production systems. This is not a sit-back-and-shadow internship; you’ll work alongside engineering, maintenance, technicians, and manufacturing teams to build tools and documentation that improve troubleshooting, accelerate problem-solving, and create lasting operational impact.
As a Manufacturing Process & Equipment Engineering Intern, you’ll help capture critical equipment knowledge, organize technical information, and support continuous improvement efforts across production environments. You’ll gain hands-on exposure to manufacturing systems, process development, equipment operation, and engineering problem-solving while contributing to projects used on the factory floor.
Essential Duties and Responsibilities
- Partner cross-functionally with Process Engineering, Manufacturing Engineering, Maintenance, and Operations teams to capture and document critical equipment and process knowledge.
- Develop troubleshooting guides, process flows, setup instructions, recovery procedures, and visual work instructions used by technicians and engineers.
- Build standardized equipment documentation packages and centralized troubleshooting libraries to improve operational efficiency.
- Document process configurations, operating parameters, and common failure modes to support faster issue resolution.
- Audit and improve existing technical documentation for accuracy, usability, and completeness.
- Identify documentation gaps and create scalable systems for organizing manufacturing knowledge.
- Support troubleshooting activities and gain exposure to root-cause analysis and continuous improvement methodologies.
- Analyze process and operational data to identify trends and opportunities for improvement.
Minimum Qualifications (Knowledge, Skills, and Abilities)
- Comfortable working with large datasets and analytical tools such as Excel, JMP, Python, or similar platforms.
- Basic understanding of statistical concepts, including Cp/Cpk, yield analysis, and process variation.
- Strong attention to detail with the ability to organize, interpret, and communicate technical information clearly.
- Curious, hands-on mindset with interest in manufacturing systems and process improvement.
- Strong written and verbal communication skills.
- Prior internship, lab, manufacturing, or data-analysis experience is a plus, but not required.
Educational Requirements
- Currently enrolled in a full-time academic program at an accredited college or university.
- Currently pursuing a Bachelor's or Master's degree in Mechanical Engineering, Materials Science, Industrial Engineering, Manufacturing Engineering, or a related field
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 accommodation may be made to enable individuals with disabilities to perform the functions.
Working Conditions/Hours/Location
This role is an hourly position, and the intern will be required to work 40 hours per week during the summer. The start date and duration of the internship are flexible depending on availability, with a minimum commitment of 10 weeks.
Internship will take place onsite in San Carlos, CA
****Additional Information****
No housing or relocation is available for interns at this time.
Sponsorship for employment visa status for internship positions is unavailable at this time.
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-
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.
CelLink California Privacy Policy
The base pay is just one part of CelLink's total compensation package and is determined within a range. The pay range is designed to support your career progression as you learn, grow, and develop within your role. Your base pay range will depend on your skills, qualifications, experience, and location.
At CelLink, we believe that each employee should have the opportunity to become a CelLink shareholder through participation in CelLink's discretionary employee stock option plan. You'll also receive comprehensive medical and dental coverage and other great benefits.
Note: CelLink benefits, compensation, and employee stock programs are subject to eligibility requirements.
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.
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