Manufacturing Engineering College Co-Op

Hemlock Semiconductor (HSC) is a leading global provider of hyper-pure polysilicon, an essential material used in the semiconductor and solar industries. Our materials play a foundational role in modern technology, from smartphones to satellites.

At HSC, employees work that matters. We value teamwork, excellence, responsibility, and customer focus in a safety‑focused organization rooted in Michigan for more than 65 years.

The Manufacturing Engineering Co‑op is an open, year‑round role for highly committed students enrolled in a local college. The selected student will work side‑by‑side with engineers and professionals to assist with testing and implementing a manufacturing execution system while simultaneously taking classes.

• Develop an understanding of manufacturing processes
• Update and distribute operational documentation
• Evaluate system performance via end‑to‑end testing and communicate status
• Participate on project teams to develop and implement improvements

• Attention to detail
• Computer skills
• Verbal communication

• Applicant must be attending a local college or university pursuing a STEM degree, with preference given to engineering, information systems, or supply chain
• Minimum cumulative 2.7 GPA on a 4.0 scale (no rounding)
• Applicant must be able to work 15-24 hours per week when school is in session and up to 40 hours per week during the summer

Starting pay for the successful applicant is dependent on a variety of factors, including market demands, experience, training, and education. Benefits available for this position depend on hours worked and may include medical, dental, vision, 401(k) plan, variable bonus, life insurance coverage, disability benefits, and PTO.

HSC is an equal employment opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, status as a qualified individual with a disability, marital status, pregnancy, sexual orientation, ancestry, genetic information, or any other characteristic protected by law.

If you are an individual with a disability and you need an accommodation or other assistance during the application process, please call our Human Resources department at  or email your request to  All qualified applicants are encouraged to apply.