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Plastic Process Engineer Jobs in Indiana (NOW HIRING)

Senior Mechanical Engineer

Madison, IN

$95K - $126K/yr

Senior Mechanical Engineer Reports to: Senior Engineering Manager Leadership Scope: Individual ... processes relevant to automotive lighting, such as injection molding, plastic part assembly ...

Senior Mechanical Engineer

Madison, IN · On-site

$95K - $126K/yr

Senior Mechanical Engineer Reports to: Senior Engineering Manager Leadership Scope: Individual ... processes relevant to automotive lighting, such as injection molding, plastic part assembly ...

Responsible for plastic part engineering according to the specifications in order to meet the ... Design for manufacturing a plastic part, mold and process according to Valeo Production System ...

Responsible for plastic part engineering according to the specifications in order to meet the ... Design for manufacturing a plastic part, mold and process according to Valeo Production System ...

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Electrical Engineer

Shelbyville, IN · On-site

$100K - $120K/yr

... Plastics Manufacturer We're recruiting for an experienced Electrical Engineer to join an ... process improvements and continuous manufacturing performance. What You'll Do * Maintain and ...

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Electrical Engineer

Shelbyville, IN · On-site

$100K - $120K/yr

... Plastics Manufacturer We're recruiting for an experienced Electrical Engineer to join an ... process improvements and continuous manufacturing performance. What You'll Do * Maintain and ...

New

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Design Engineer

Fort Wayne, IN · On-site

$70K - $95K/yr

Collaborate with the sales team to provide technical expertise during the pre-sales process ... Must have plastics design experience, specifically injection molding. * Must be proficient in at ...

Works directly with purchasing, quality, manufacturing engineering, test engineering, process ... Plastic injection molding, and progressive die stamping experience is desired. * 3D software ...

Works directly with purchasing, quality, manufacturing engineering, test engineering, process ... Plastic injection molding, and progressive die stamping experience is desired. * 3D software ...

Works with Process Engineering to improve manufacturability and support continuous improvement ... Experience with plastic injection molded components desired * Experience with RCCM (Root Cause ...

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Junior Design Engineer

Kendallville, IN · On-site

$65K - $85K/yr

Knowledge of plastic injection molding processes and tooling. * Understanding of product development and launch processes. * Exposure to PLM/CAD integrations and digital engineering environments.

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Plastic Process Engineer information

See Indiana salary details

$47.1K

$87.6K

$135.6K

How much do plastic process engineer jobs pay per year?

As of Jul 3, 2026, the average yearly pay for plastic process engineer in Indiana is $87,561.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,900.00 and $98,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by Plastic Process Engineers in optimizing manufacturing processes?

Plastic Process Engineers often encounter challenges such as maintaining consistent product quality while scaling up production, troubleshooting equipment malfunctions, and minimizing material waste. They must continuously monitor and adjust processing parameters like temperature, pressure, and cycle time to ensure efficiency and compliance with specifications. Collaboration with design, quality, and maintenance teams is crucial to quickly resolve issues and implement process improvements. Staying updated with new materials and technologies also plays a key role in overcoming these challenges and advancing in the field.

What does a Plastic Process Engineer do?

A Plastic Process Engineer is responsible for designing, developing, and optimizing processes involved in the manufacturing of plastic products. They work with various types of plastic materials and molding technologies, such as injection molding, extrusion, and blow molding. Their duties often include troubleshooting production issues, improving process efficiency, ensuring product quality, and collaborating with design and production teams to implement best practices. They also play a key role in selecting materials, setting process parameters, and maintaining compliance with safety and environmental regulations.

What is the difference between Plastic Process Engineer vs Plastic Technician?

AspectPlastic Process EngineerPlastic Technician
CredentialsBachelor's degree in plastics engineering, chemical engineering, or related fieldTechnical diploma or associate degree in plastics technology or related field
Work EnvironmentDesign, optimize, and oversee manufacturing processes in production facilitiesOperate and maintain plastic processing equipment on the production floor
ResponsibilitiesProcess development, troubleshooting, and process improvementMachine setup, operation, and quality checks

The Plastic Process Engineer focuses on designing and improving plastic manufacturing processes, requiring a higher level of education and analytical skills. In contrast, the Plastic Technician handles day-to-day machine operation and maintenance. Both roles are essential in the plastics industry, but they differ in scope and responsibilities.

What are the key skills and qualifications needed to thrive as a Plastic Process Engineer, and why are they important?

To thrive as a Plastic Process Engineer, you need a solid background in chemical or mechanical engineering, polymer science, and process optimization, often backed by a relevant degree. Familiarity with CAD software, injection molding machines, statistical process control (SPC), and certifications like Six Sigma are commonly required. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with cross-functional teams and drive continuous improvement. These competencies ensure efficient production, high product quality, and innovation in plastic manufacturing environments.

$95K - $126K/yr

Other

Posted 27 days ago


Job description

Business Title:                                             Senior Mechanical Engineer

Reports to:                                                  Senior Engineering Manager

Leadership Scope:                                       Individual Contributor

Company Info:               With a heritage of nearly 120 years, we aren’t just a company; we are a brand of trust.  But more than anything, we are a collection of individuals who, together, give Grote Industries a decisive competitive advantage. At Grote, our shared vision is clear – to meet the needs of the customers we serve. We accomplish that mission every day by following a set of core values that makes us who we are.

Innovation has been the hallmark of Grote Industries from the start. From durable, easy to see stop lights to the latest in LED lighting technology, Grote has been leading the way in advanced vehicle system solutions from early in the last century right up to today. With these innovations, Grote has helped millions of people throughout North America and the world benefit from the innovation and design excellence of Grote products.

Position Summary:        The Senior Mechanical Engineer is responsible for the design, development, validation, and support of automotive headlamp and signal lamp systems for OEM customers in the heavy-duty market. This role leads mechanical design activities, supports cross-functional teams, and ensures products meet regulatory, customer, performance, durability, quality, manufacturing, and cost requirements while mentoring less-experienced engineers.

Position Duties:       

  • The Senior Mechanical Engineer will be working with project team members to understand/develop requirements and to develop new or improved lamp concepts/designs satisfying regulatory and customer performance, durability, and quality requirements along with meeting internal manufacturing process requirements and cost targets.
  • Senior Mechanical Engineer will developing the design of mechanical systems and components for lamps and directing/reviewing the development of the CAD models of all components and assemblies including molded plastic lenses, housings, brackets, and bezels, die cast and stamped heatsinks, fasteners, etc.
  • Senior Mechanical Engineer will leading the development of drawings for all components and assemblies ensuring the proper use of GD&T and linear dimensioning/tolerancing as appropriate, that all critical features are defined, that all relevant specifications are noted, completeness and accuracy, etc.
  • Performing tolerance stack-up analysis using statistical methods as appropriate
  • Coordinating/reviewing simulations including static and vibration FEA, thermal FEA/CFD, and plastic part MFA.
  • Senior Mechanical Engineer will ensuring designs meet all thermal, vibration, corrosion, impact, chemical, abrasion, and other mechanical requirements.
  • Performing and/or coordinating testing of lamps and components to ensure the product meets all requirements.
  • Developing/improving and documenting design, simulation, and testing standards related to all aspects of lamp mechanical design.
  • Researching, interpreting, and applying relevant regulatory requirements and industry standards including FMVSS 108, UN Regulations (R148–R150), SAE Lighting Systems Group standards, and those from ASTM, ANSI, ISO, etc.
  • Senior Mechanical Engineer will working with the Manufacturing and Quality teams to troubleshoot and resolve issues related to manufacturing processes and quality controls.
  • Working with the Purchasing team in the sourcing of purchased components and validation of suppliers and ensuring that purchased components are properly designed/spec’d to conform to industry standards, minimize cost, and maximize supply chain flexibility.
  • Working with the Sales team in the quoting of new or revised business and customer management including the estimation of part and capital costs.
  • Mentoring other engineers and team members in all aspects, and optical aspects in particular, of lamp quoting, design, manufacturing, validation, etc.

Requirements:              The Senior Mechanical Engineering candidate will have a Bachelor’s degree or higher in Mechanical Engineering or a related technical field and extensive (3-5+ years) mechanical engineering design experience in automotive headlamps and/or signal lamps including familiarity with relevant optical and/or electrical engineering design principles, along with experience with the manufacturing processes relevant to automotive lighting, such as injection molding, plastic part assembly, coatings, etc.  Good documentation, communication, and teamwork are essential.  Specific relevant skills/experience are listed below:

  • Injection molded plastic part design including a thorough understanding of injection mold tooling and plastic part assembly and a range of plastic materials including PC, PMMA, ABS, ASA, nylon, and PP including fillers.
  • Heatsink design, specifically utilizing die cast or stamped aluminum or injection molded thermally conductive plastics
  • Creo CAD experience is optimal, followed by Catia or NX and then other systems
  • Performing and/or coordinating/reviewing the listed simulations/analyses utilizing the listed or similar software:
    • Vibration/Static/Thermal FEA utilizing Ansys Mechanical
    • Thermal CFD utilizing FloEFD
    • Mold flow analysis utilizing MoldEx, followed by AutoDesk MoldFlow
    • Part measurement and dimensional analysis utilizing PolyWorks
  • Advanced GD&T application
  • Tolerance stack-up analysis
  • Research, review, interpretation, and application of relevant regulatory requirements and industry standards, specifically in relation to FMVSS 108, UN Regulations (R148-R150), and the SAE Lighting Systems Group