Injection Molding Process Technologist

MMI Engineered Solutions; Saline (MI); On-site; USD 65,000 - 90,000; Full time

Job summary

MMI Engineered Solutions on Michigan’s manufacturing floor seeks an Injection Molding Process Technologist to drive start-up, stabilization, and continuous improvement of our molding processes.

You’ll review daily queues, optimize cycles, train operators, and lead scrap-reduction initiatives while ensuring safety and output quality on Nissei machines and related equipment.

Qualifications

• 3+ years hands-on processing and troubleshooting in injection molding.
• Proficient in mold setup, startup, optimization, and changeovers.
• Experience with large-part injection molding preferred.
• Capable of light maintenance to support equipment reliability.
• Strong reading and following process sheets, setup docs, and quality standards.
• Strong computer, documentation, and communication skills.

Responsibilities

• Review the day’s queue, prepare molds, dial in parameters, and coach operators so every part meets standards.
• Own the health of our processes—start up, stabilize, improve, and teach safety, quality, and throughput alignment.
• Execute mold changes, machine startups, changeovers, and shutdowns per production schedule.
• Diagnose and resolve molding issues across tooling and auxiliary equipment to reduce downtime and scrap.
• Tune cycle time, part weight, color, and wall thickness for repeatable results.
• Support resin trials, new equipment installs, and process validation activities.
• Create and maintain process sheets and setup standards for molds and tooling.
• Perform light maintenance on molds, fixtures, and secondary equipment.
• Verify material moisture content prior to startup and run to specs.
• Train Operators and Supervisors on best practices and troubleshooting.
• Lead scrap reduction and drive continuous process improvements.

Skills

Mold setup

Changeovers

Process troubleshooting

Large-part molding

Maintenance

Documentation

Communication

Reading specs

Job description

Be the go-to expert who keeps our molding floor running at its best
Step onto the production floor and you’ll set the pace: reviewing the day’s queue, preparing molds, dialing in parameters, and coaching operators so every part that leaves the press meets exacting standards. As our Injection Molding Process Technologist, you’ll own the health of our processes—starting up, stabilizing, improving, and teaching—so safety, quality, and throughput stay in perfect sync.

What a typical day looks like

• Execute mold changes, machine startups, changeovers, and shutdowns aligned to the production schedule.
• Diagnose and resolve molding issues across tooling and auxiliary equipment to reduce downtime and scrap.
• Tune processing variables—cycle time, part weight, color, wall thickness—to achieve repeatable results.
• Support resin trials, new equipment installs, and process validation activities.
• Create and maintain process sheets and setup standards for molds and tooling.
• Perform light and preventative maintenance on molds, fixtures, and secondary equipment.
• Verify material moisture content prior to startup and run to established specifications.
• Train and mentor Operators and Supervisors on best practices, standards, and troubleshooting methods.
• Lead scrap reduction efforts and drive continuous process improvements.

Schedule options

• B Shift - Monday-Wednesday 12:00pm-6:15pm and alternating Thursday/Friday or Saturday/Sunday 6:00am-6:15pm.
• C Shift - Monday-Wednesday 6:00pm-12:15am and alternating Thursday/Friday or Saturday/Sunday 6:00pm-6:15am.

Qualifications

• 3+ years hands-on processing and troubleshooting in injection molding.
• Proficient in mold setup, startup, optimization, and changeovers.
• Experience with large-part injection molding preferred.
• Capable of light maintenance to support equipment reliability.
• Comfortable reading and following process sheets, setup docs, and quality standards.
• Strong computer, documentation, and communication skills (verbal and written).

Work environment & physical demands

• Split time between office and manufacturing floor.
• Lift up to 50 lbs, climb ladders up to 15 feet, and stand for more than 8 hours in hot, noisy, and dirty conditions.

Core proficiencies

• Continuous Improvement
• Maintenance and Repair Skills
• Lockout/Tagout (LOTO)
• Injection Molding Experience
• Tool/Die/Mold Setup Experience
• Processing
• Process validation

Equipment you’ll operate

• Nissei injection molding machines
• Toyota sit-down forklifts
• Overhead cranes
• Forklifts