Mechanical Integrity Engineer
Date: Jan 22, 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 Integrity Engineer, ideally with American Petroleum Institute (API) and Non-Destructive Testing (NDT) background will join our integrity and reliability team serving the Semiconductor industry. This role focuses on ensuring the safe and reliable operation of pressure equipment through re-rating calculations, NDT evaluations, and API code compliance. The ideal candidate will have a strong background in mechanical integrity programs, field inspection, and engineering analysis in industrial plant environments.
Essential Functions
- Perform pressure equipment re-rates and fitness-for-service assessments per API 579, ASME Section VIII, and B31.3.
- Conduct and interpret NDT examinations (UT, MT, PT, RT, VT, etc.) to determine equipment condition and corrosion rates.
- Develop and maintain API inspection programs (API 510 – Pressure Vessels, API 570 – Piping, API 653 – Tanks).
- Prepare and review inspection reports, corrosion analyses, and repair recommendations.
- Collaborate with operations, maintenance, and reliability teams to develop inspection plans and turnaround strategies.
- Evaluate remaining life, thickness calculations, and material integrity for fixed equipment in service.
- Support Mechanical Integrity (MI) and Risk-Based Inspection (RBI) initiatives to improve plant reliability and safety.
- Provide technical guidance to inspectors, NDT technicians, and plant personnel regarding API code interpretation and best practices.
- Ensure all work is performed in compliance with regulatory standards (OSHA, API, ASME, National Board) and company safety policies.
Skills and Behaviors
Education Requirements
Certification Requirements
Required Work Experience
- API certifications strongly preferred or willing to obtain: API 510, API 570, and/or API 653.
- Familiarity of ASNT methods in UT, MT, PT, RT, or other relevant NDT disciplines preferred.
- Strong working knowledge of API, ASME, and NBIC codes.
- Proficient in inspection management and calculation software (e.g., PCMS, Ultrapipe, AutoPIPE, or equivalent).
- Excellent communication, report writing, and problem-solving skills, decision making.
Physical Requirements
The range for this position is $97,360.00 - $133,870.00 assuming full time status. 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. 1162
Nearest Major Market: Saginaw