Process Engineer (Plastic Injection Molding)
Cellink
Power and data have been moved the same way for over 100 years.
This is a new day. At CelLink Corporation, our Team Members are designing, developing, and manufacturing flexible circuits that fundamentally change the transmission of power and data. Lower weight, higher performance, smaller mass, and lower overall system price all drive toward CelLink’s goal of a cleaner environment and more affordable technology.
At CelLink, we are electrified at the prospect of contributing to a technology that is and will be changing mobility for a cleaner and brighter future. We work with very dedicated people on challenging projects that change everyone’s future for the better. If you are eager to create, to learn, and to apply your knowledge, we are looking forward to you joining us on our electrifying mission.
Process Engineer
We are seeking a hands-on Process Engineer with a focus on injection molding process development and optimization. You’ll own critical manufacturing processes, troubleshoot issues on the floor, and drive improvements to yield, quality, and throughput. Depending on experience, you’ll grow from supporting process development to leading major initiatives and mentoring junior engineers.
Essential Duties and Responsibilities
- Set up, change over, and optimize injection molding machines using scientific molding principles. Improve cycle times, reduce defects, and ensure process stability.
- Evaluate and refine mold tooling, participate in design reviews, and build/adjust robot end-of-arm tooling. Source new equipment as production needs evolve.
- Diagnose process and tooling issues, lead root cause investigations, and implement corrective actions to maintain high yield and quality.
- Lead or support projects to improve yield, cost, and cycle time. Qualify new products, tools, and materials, and stay current with technology advancements.
- Write SOPs, maintain process documentation, and train technicians/operators to ensure safe, consistent execution.
- Partner with design, manufacturing, and suppliers to resolve issues, provide design-for-manufacturability feedback, and ensure smooth production ramp-up.
Minimum Qualifications (Knowledge, Skills, and Abilities)
Experience/Education
- Bachelor's degree or higher in Plastics, Materials, Chemical, or Mechanical Engineering.
- 5–7+ years (mid-level) or 8–12+ years (senior-level) in injection molding process development.
Knowledge/Skills/Abilities
- Hands-on ability to set up, start up, and optimize injection molding machines.
- Strong background in tooling, equipment, polymer behavior, and quality systems.
- Experience with automation and end-of-arm tooling preferred.
- Proficiency in MS Office; SolidWorks or similar CAD experience is a plus.
- Excellent troubleshooting, data analysis, and communication skills.
- Proven ability to lead process improvement projects and collaborate across teams.
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 Exempt
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.
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 EV manufacturers, traditional automotive OEMs, and tiered suppliers. 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.