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Are you a hands-on plastics process engineer with deep thermoforming expertise who thrives on solving complex manufacturing challenges?

Do you know your way around equipment, tooling, materials, and process optimization—and enjoy being the person who steps in, troubleshoots issues, and makes the process better? If you’re energized by owning the process from concept through production and turning ideas into stable, repeatable, high-performing manufacturing systems, this is the kind of role where your expertise directly drives results.

We’re looking for a Process Engineer or Senior Process Engineer to lead large-scale, complex, and highly visible thermoforming initiatives. In this role, you’ll serve as the technical owner of process capability and equipment performance, leading projects across the full product lifecycle—from material selection and tooling development to prototyping, validation, scale-up, and full production launch.

This is a high-impact opportunity for an engineer who wants to improve equipment performance, increase process reliability, reduce variation, and drive continuous improvement on the plant floor.

• Lead thermoforming process development and optimization
• Own equipment performance, process capability, and troubleshooting
• Partner with tooling, operations, and quality teams to improve manufacturability
• Drive prototype-to-production scale-up
• Improve cycle times, scrap reduction, yield, and repeatability
• Support new product launches and process validation
• Lead continuous improvement and manufacturing excellence initiatives

• High visibility across engineering and operations
• Direct ownership of equipment and process outcomes
• Opportunity to influence how products are built at scale
• Hands-on work where your technical decisions matter immediately
• Strong focus on innovation and process improvement

Process Engineer

• Bachelor’s degree in Engineering or related field and 3+ years of engineering experience
  orAssociate’s degree and 9+ years of related engineering experience

Senior Process Engineer

• Bachelor’s degree in Engineering or related field and 6+ years of engineering experience
  orAssociate’s degree and 12+ years of related engineering experience

Required Experience & Skills (Both Levels):

• Proven experience analyzing production equipment, processes, and materials to resolve manufacturing issues
• Hands-on knowledge of quality and continuous improvement tools such as SPC, SQC, 5S, 8D, FMEA, Root Cause Analysis, Gage R&R, and DOE
• Experience with thermoforming, injection molding, printing, and/or paper manufacturing processes
• Strong understanding of engineering principles applied to product design and manufacturingAbility to interpret and develop technical drawings, blueprints, and specifications
• Solid foundation in math and statistics as applied to engineering and quality analysis
• Knowledge of materials, manufacturing processes, quality systems, and cost optimization
• Strong problem-solving, prioritization, and project management skills with minimal supervision
• Clear and effective verbal and written communication skills

Location for Position: Leola, PA or Mason, MI

This role is not eligible for visa sponsorship (e.g., H‑1B, F‑1 OPT, TN, etc.)

We can hire at Associate, Mid, or Sr. Level! 

#LI-KH1 

Overview: 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.

Benefits: 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.

*THC testing ONLY when such testing is required by law.
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.

https://www.dartcontainer.com/eeoaa/

If you have a disability and need an accommodation to access this website or for the application process, you should call Dart at (800) 545-3278 Ext 3370 or email us at ADArequests@dart.biz. Relay calls can be made by dialing 711 or the relay number for your state.

If you experience difficulty applying online, you may call (800) 545-3278 Ext 3390 or email us at applicationassistance@dart.biz for assistance.