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Senior Injection Molding Process Engineer Jobs in Grand Rapids, MI

Plastics Process Technician

Grand Rapids, MI · On-site

$24.76 - $39.78/hr

Set up, start up, and shut down plastic injection molding equipment. * Perform mold changes and ... Collaborate with production, maintenance, and engineering teams to achieve safety, quality, and ...

Mold Setter

Greenville, MI · On-site

$16 - $18.75/hr

Enter process parameters into molding machine. Housekeeping at end of the mold change to ensure ... Plastics Injection Molding: 1 year (Preferred) * Manufacturing: 1 year (Preferred) Work Location:

Mold Setter

Greenville, MI · On-site

$16 - $18.75/hr

Enter process parameters into molding machine. Housekeeping at end of the mold change to ensure ... Plastics Injection Molding: 1 year (Preferred) * Manufacturing: 1 year (Preferred) Work Location:

Showing results 41-60

Senior Injection Molding Process Engineer information

See Grand Rapids, MI salary details

$72K

$116.3K

$163.8K

How much do senior injection molding process engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior injection molding process engineer in Grand Rapids, MI is $116,322.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,900.00 and $129,200.00 per year, depending on experience, location, and employer.

What does a senior injection molding process engineer do?

A Senior Injection Molding Process Engineer is responsible for designing, optimizing, and troubleshooting the injection molding process used to manufacture plastic parts. They oversee process improvements, ensure product quality, and collaborate with cross-functional teams to meet production goals. Additionally, they may develop and implement new molding technologies, train staff, and support maintenance of equipment to ensure efficient and reliable operations.

What are the key skills and qualifications needed to thrive as a senior injection molding process engineer?

To thrive as a Senior Injection Molding Process Engineer, you need a deep understanding of polymer science, mold design, process optimization, and typically a degree in engineering or a related field. Expertise with CAD software, process simulation tools, and familiarity with quality systems like ISO 9001 are commonly required, along with certifications such as RJG or Six Sigma. Strong analytical thinking, problem-solving abilities, and effective communication are essential soft skills for collaborating with cross-functional teams and troubleshooting production issues. These skills ensure efficient production, high-quality output, and continuous improvement in complex manufacturing environments.

What are the common challenges faced by senior injection molding process engineers when introducing a new mold into production?

Senior Injection Molding Process Engineers often encounter challenges such as optimizing process parameters for new molds, ensuring part quality meets specifications, and troubleshooting issues like warpage or incomplete filling. Collaboration with design, tooling, and quality teams is essential to address these challenges and implement effective solutions quickly. Additionally, balancing production efficiency with consistent quality requires careful monitoring and adjustment during the initial production runs.

What is the difference between Senior Injection Molding Process Engineer vs Injection Molding Technician?

AspectSenior Injection Molding Process EngineerInjection Molding Technician
CredentialsBachelor's degree in engineering or related field, certifications in process optimizationTechnical diploma or associate degree, on-the-job training
Work EnvironmentDesigning processes, analyzing data, improving production efficiencyOperating machinery, performing setup and maintenance
ResponsibilitiesProcess development, troubleshooting, process validationMachine operation, quality checks, routine maintenance

The Senior Injection Molding Process Engineer focuses on process design, optimization, and troubleshooting, requiring higher-level technical skills and education. In contrast, the Injection Molding Technician handles daily machine operation and maintenance tasks. Both roles are essential in the manufacturing environment but differ in scope and responsibilities.

What are the most commonly searched types of Injection Molding Process Engineer jobs in Grand Rapids, MI?

The most popular types of Injection Molding Process Engineer jobs in Grand Rapids, MI are:

What are popular job titles related to Senior Injection Molding Process Engineer jobs in Grand Rapids, MI?

For Senior Injection Molding Process Engineer jobs in Grand Rapids, MI, the most frequently searched job titles are:

What job categories do people searching Senior Injection Molding Process Engineer jobs in Grand Rapids, MI look for?

The top searched job categories for Senior Injection Molding Process Engineer jobs in Grand Rapids, MI are:

What cities near Grand Rapids, MI are hiring for Senior Injection Molding Process Engineer jobs?

Cities near Grand Rapids, MI with the most Senior Injection Molding Process Engineer job openings:

Infographic showing various Senior Injection Molding Process Engineer job openings in Grand Rapids, MI as of August 2026, with employment types broken down into 88% Full Time, 6% Contract, and 6% Nights. Highlights an 100% In-person job distribution, with an average salary of $116,322 per year, or $55.9 per hour.

Mold Repair - Injection Molding Dies

Lacks Enterprises

Grand Rapids, MI

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 27 days ago


Lacks Enterprises rating

8.1

Company rating: 8.1 out of 10

Based on 18 frontline employees who took The Breakroom Quiz


Job description

Start a Career you Love....

Lacks Enterprises is a locally owned and privately held business with roots in the West Michigan area. We pride ourselves on our family atmosphere, culture of loyalty and team mindset that we have built and maintained over the course of 50 years. With a diverse group of 2500 employees across more than 25 facilities in the area, we continue to grow and with that comes opportunity!

We are currently accepting applications for Mold Repair to join our molding facilities on the 1st, 2nd and 3rd shifts. Mold Repairs are responsible for all in-house die repairs; this includes polishing and bench work, electrical, hydraulic, pneumatic repairs to tools and trim presses

Responsibilities Include:

  • Performs all in house die polishing and bench work.
  • Maintains a preventative maintenance program on all tools. Keeps a thorough and accurate history on each tool.
  • Performs electrical repairs on tools, such as wiring hot runners and repairing limit switches.
  • Completes required hydraulic repairs on tools.
  • Repairs trim presses and ring presses.
  • Works with engineering to institute engineering changes to tools.
  • Maintains good housekeeping in work area.
  • Provides training and guidance to technicians and die setters on simple tool repair.
  • Performs other tasks assigned by designated supervisor

Requirements: 

  • Four to Seven years of experience in the tool repair field preferred
  • Ability to read electrical and hydraulic schematics as they relate to tools.
  • Working knowledge of pneumatics.
  • Understanding of trim presses and ring presses.
  • Excellent oral and written communication skills
  • Obtain hi-lo license and operate hi-lo safely.
  • Knowledge of the "Machinery Tool Room"
  • Working knowledge and trouble shooting skills in plastic injection molding tools.
  • Ability to polish tools
  • Ability to learn how to do insert changes

In Return, We Offer:

  • Weekly Pay
  • Quarterly Performance Payments
  • A complete benefits package after 90 days (Medical, Dental, Vision)
  • 401(k) after 90 days
  • Paid Time Off after 90 days
  • Wellness Programs and Incentives
  • Tuition Reimbursement and more!

Your Career Starts Here!


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