Mechanical Engineering Rotational Intern
Date: Mar 17, 2026
Location: Hemlock, MI, US, 48626
Company: hemlocksem
At Hemlock Semiconductor (HSC), we transform people’s lives by energizing and connecting our world through silicon technology. Since 1961, HSC has been a leading global provider of hyper-pure polysilicon, and is the only polysilicon manufacturer headquartered in the United States. HSC plays an essential role in the semiconductor and solar industries, with the vision of becoming the preferred supplier of silicon-enabled technologies to the low-carbon, digital world.
Our polysilicon is used to make computer chips – the “brains” behind the electronic devices we rely on to make our lives easier, safer and more enjoyable. HSC is just one of six major manufacturers in the world that makes polysilicon used to create semiconductor wafers. In fact, nearly all electronic devices in the world contain HSC polysilicon.
We’re also moving the world toward a greener future by supplying the rapidly growing solar power industry. HSC is committed to doing good for our local Michigan and global communities, relentlessly improving our operations to remove supply chain carbon emissions. The low embodied greenhouse gas emissions in our polysilicon materials facilitates the production of ultra low-carbon solar panels. These panels allow solar project developers and owners to lower the embodied carbon of their projects by up to 50 percent.
To achieve our goals, we draw on the talents of more than 1,500 employees and contractors. Our employees thrive in a culture that values teamwork, excellence, responsibility and customer focus. We recognize and value the diverse backgrounds and experiences of all of our people working together as One Team. At HSC, you belong to a team that is transforming our world.
Summary
The Mechanical Engineering Rotational Intern is open to qualified and highly committed students enrolled in college located locally to the Hemlock Semiconductor site. It allows the selected student to work side-by-side with engineers and skilled professionals to assist with testing and implementing a manufacturing execution system. This role is a year-round position while the student is simultaneously taking classes.
Essential Functions
The student will be assigned tasks and projects based on their education level, current skills, and targeted development opportunities in line with current business and project needs. This can include:
- Developing an understanding of the manufacturing processes
- Updating and distributing operational documentation
- Evaluating system performance via end-to-end testing and communicating status
- Participating on project teams for developing and implementing improvements
Skills
- Excellent time management with proven ability to manage projects and meet deadlines.
- Effective organizational skills leading to proper prioritization and coordination of multiple activities
- Knowledge / Expertise in Microsoft Office programs (Excel, PowerPoint, SharePoint, and Teams)
- Good oral & written communication skills
- Analytical skills
Behaviors
- Excellent interpersonal and critical thinking skills
- Ability to deliver a quality work product, pay attention to details, prioritize tasks, and follow through on details to completion
- Candidate should be able to take initiative on work that needs to be done, ask for clarity or additional instruction when needed, and be able to work independently as well as cooperative with the team
- Candidate should be flexible and have a positive attitude
Education Requirements
- High School Diploma
- Preferred field of study: Mechanical Engineering
Required Work Experience
- The candidate must attend a 4-year university and pursue a certificate or degree in a similar field of study
- Minimum cumulative 2.7 GPA on 4.0 scale
- Must be full-time student (12 or more credits)
- The candidate must be able to work full-time during the duration of the internship
Starting pay for the successful applicant is dependent on a variety of job-related factors, including but not limited to market demands, experience, training, and education. The benefits available for this position are dependent 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:
989.301.5333
or email your request to
G1HSC-HR@hscpoly.com
All qualified applicants are encouraged to apply.
Req No. 1234
Nearest Major Market: Saginaw