Process Engineer-Plastic Injection Molding

CelLink; Georgetown (TX); On-site; USD 80,000 - 100,000; Full time

Job summary

CelLink, located in Georgetown, Texas, is seeking a hands-on Process Engineer specializing in injection molding process development and optimization. The role involves troubleshooting manufacturing processes, driving improvements, and mentoring junior engineers.

The ideal candidate holds a Bachelor's degree in Engineering and has 5–12 years of experience in injection molding. Responsibilities include optimizing machinery, improving cycle times, and leading process improvement projects. CelLink is committed to creating an inclusive environment for all employees.

Qualifications

• 5–12+ years experience in injection molding process development.
• Hands-on ability to optimize injection molding machines.
• Strong background in tooling and quality systems.

Responsibilities

• Set up and optimize injection molding machines.
• Evaluate and refine mold tooling and equipment.
• Lead root cause investigations and implement corrective actions.

Skills

Injection molding process development

Troubleshooting

Data analysis

Communication

Automation

Education

Bachelor's degree in Plastics, Materials, Chemical, or Mechanical Engineering

Tools

MS Office

SolidWorks

Job description

Process Engineer – Plastic Injection Molding

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.

Equal Opportunity Employer

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.