Manufacturing Engineer (Mendon, Michigan)

TH Plastics · Mendon, MI

Level: Engineer
Team: Manufacturing
Degree: Required (or equivalent experience)
Experience asked: 5+ years
Industry: Industrial
Posted: Recently

The role in 30 seconds

An engineer-level manufacturing role at TH Plastics (industrial) in Mendon, MI. Designs, develops and tests and/or sources and cost-justifies various tools, machinery and equipment for recommended manufacturing methods.

They ask for: 5+ years · degree required (or equivalent experience)
Tools it names: Injection molding, Time studies

Read from the posting. The full description is below.

From the plant jobs report · week of November 2, 2026

Manufacturing Engineer roles in Michigan: typical posted base $78k–$166k.

Median of the low and high ends of 31 live postings that list pay, out of 92 manufacturing engineer openings in Michigan, read from manufacturers' own careers sites.

Michigan plant jobs report →Pay by team and state →What moves pay →

How this role compares

Against 91 other live manufacturing postings in Michigan.

Base pay: Not listed in this posting
Experience asked: Typical (5+ years)

Skills these teams ask for most

✓ New product launch 64%
Tooling 48%
Lean 42%
FMEA 33%
Automation 29%
Team leadership 29%

✓ = this posting asks for it too. % = share of similar postings that mention it.

Stands out: this posting asks for Injection molding, Time studies, which few similar roles mention. If you have it, lead with it.

It asks for 5+ years. If you're close, apply anyway: requirements are a wish list. Talk to someone doing this work there first.

At a glance

Pulled from the posting text. If it's not listed here, the posting didn't say.

How to get in at this plant

Five moves over a week or two. The first one takes ten minutes.

1
Pick 2–3 people on the Manufacturing team at TH Plastics
Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.
2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- Is the work mostly new product launches or sustaining existing lines?
- How much time do you spend on the floor versus at a desk?
- How did you land the job? What stood out in your interviews?
4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.

Full description from TH PlasticsAs posted on their careers site.Show

Job summary

TH Plastics, Inc., is a custom injection molder serving the appliance and automotive industries, is seeking an experienced and highly motivated individual for the following position in our Mendon, Michigan molding division.

Requirements

✓Bachelor’s degree or equivalent years’ experience
✓5 years of experience in a manufacturing environment
✓Computer skills
✓Excellent written and verbal communication skills
✓Regular on-site attendance

JOB

Responsibilities

◆Carries out process improvement, problem resolution, project management and employee training
◆Improves manufacturing processes and methods of cost-reductions, quality improvement and efficiency
◆Prepares and presents plans for the above and coordinate deployment including training of team members
◆Assists Engineering Manager in improving system of production control, standard operating procedures, safety, quality control and training
◆Performs research, design and development of manufacturing processes including production flow, assembly methods and production equipment
◆Prepares and maintains detailed layouts of buildings and equipment
◆Represents manufacturing on cross-functional teams
◆Designs, develops and tests and/or sources and cost-justifies various tools, machinery and equipment for recommended manufacturing methods
◆Performs product /process analysis and time studies for cost reduction, quality improvement, and improved efficiency
◆Controls experience – Keyence Vision Systems
◆All other related duties as assigned

Show full description ↓

Job overview

The Manufacturing Engineer position develops and implements optimal, cost-effective manufacturing processes and methods in accordance with product specifications and quality standards; recommends and implements improvements to production processes, methods and controls; coordinates manufacturing launch for new or revised products

Benefits

•Paid Time Off
•401K
•401K Matching
•Medical, Dental and Vision Insurance
•Life Insurance
•Disability Insurance

Schedule

•1st Shift
•Monday – Friday

JOB