Sr. Plastic Process Engineer

Senior Process Engineer – Plastics (Thermoforming)

Own the Equipment. Shape the Process.

Are you a hands‑on plastics process engineer who thrives on solving complex manufacturing challenges? Do you enjoy owning equipment performance, improving processes, and seeing your work drive immediate results on the production floor?

We’re hiring a Process Engineer or Senior Process Engineer to lead thermoforming process development and optimization from concept through full‑scale production.

• Own equipment performance, process capability, and troubleshooting
• Lead thermoforming process development and scale‑up
• Improve cycle time, yield, scrap, and reliability
• Support new product launches and process validation
• Partner with tooling, operations, and quality teams
• Drive continuous improvement initiatives

• Experience with thermoforming, injection molding, or similar processes
• Strong hands‑on troubleshooting and root cause analysis skills
• Knowledge of SPC, FMEA, DOE, 8D, and CI tools
• Ability to analyze equipment, materials, and process variation
  
  Experience interpreting technical drawings and specs

• Senior:
  Bachelor’s + 6+ years (or Associate’s + 12+ years)
• Mid/Associate levels also considered

• Full ownership of process and equipment
• High visibility & real impact on operations
• Hands‑on role with immediate results
• Opportunity to build and scale advanced manufacturing processes

Location: Leola, PA or Mason, MI

No visa sponsorship available

Dart makes everyday products that give people the freedom to enjoy the food & drinks they love, wherever they are. From to‑go containers and dinnerware to tamper‑evident food packaging and even the red SOLO cup, Dart products have been keeping people on the go and having fun for 65 years. We’re a family‑owned, family‑focused company of 12,000 employees united by a shared set of values and dedicated to providing exceptional customer service.

Headquartered in Mason, MI, with 30 locations in three countries, we’re proud of our ability to innovate, manufacture and lead the way with each new generation of quality products.

Dart Container full‑time employees enjoy great benefits, including medical, dental, vision, life insurance, 401(k) with company matching contributions, paid vacation, paid holidays, short‑term disability, tuition assistance, product discounts and more.

Dart Container is a drug‑free workplace. Candidates are subject to a drug test (excluding THC*/marijuana/cannabis) and background check at the time of offer.

Dart Container is an equal opportunity employer and will consider all candidates for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity, disability status, protected veteran status, or any other characteristic protected by law.

If you have a disability and need an accommodation to access this website or for the application process, you should call Dart at  Ext 3370 or email us at  Relay calls can be made by dialing 711 or the relay number for your state.