Internship Mold Designer Jobs in Minnesota (NOW HIRING)

Some people say it’s like working in the best of two worlds. We operate like an agile, growing, small company – you can see your work make a difference to the company every day. Things move quickly and you can see and feel it. At the same time, we’re a global company founded in 1981 and have been publicly traded for more than 28 years. We have a strong cash position, deep trust and partnership with leading customers, a global best‑in‑class operations capability, and a proven leadership team. We have a track record and resources to make things happen both organically and inorganically. Being part of a nimble company with a solid foundation attracts team members that are capable, driven and like a challenge. Our employees collaborate and know how to have fun inventing, working, building and winning together. At our core, we are Advanced Energy – powering the future, together.

We are seeking a Mechanical Engineer to support the design, analysis, and validation of mechanical systems for advanced power and RF products. This role contributes across the product development lifecycle, working closely with cross‑functional teams to deliver innovative, manufacturable, and reliable solutions.

This position may be filled at either the Mechanical Engineer I or Mechanical Engineer II level. Level will be determined based on the candidate’s experience, technical capabilities, and demonstrated ability to work independently and contribute to engineering efforts.

• Participate in mechanical design and development activities across the product lifecycle, from concept through production
• Design and develop mechanical components including sheet metal, machined, molded, and 3D‑printed parts
• Support the design and analysis of thermal management solutions such as heat sinks, cold plates, and cooling systems
• Create and maintain engineering documentation, drawings, and Bills of Materials (BOMs)
• Collaborate with cross‑functional teams (electrical, firmware, manufacturing, supply chain, and quality) to meet design requirements
• Support prototype builds, lab testing, and troubleshooting activities
• Perform tolerance analysis and apply GD&T principles to mechanical designs
• Assist in material selection and validation for product performance and reliability
• Contribute to supplier interactions to ensure manufacturability, cost, and quality targets are achieved

• Conduct thermal and structural analysis using simulation tools and validate results through testing
• Design experiments and analyze data to improve product performance and reliability
• Apply DFM/DFA principles to optimize product design and manufacturability

• Environment: Onsite, office environment

• Understanding of mechanical engineering principles including design, materials, and manufacturing processes
• Proficiency or exposure to 3D CAD tools (e.g., SolidWorks or equivalent)
• Familiarity with mechanical components such as sheet metal, machined, molded, or fabricated parts
• Basic knowledge of tolerance analysis and GD&T principles
• Ability to perform hands‑on lab work, testing, and troubleshooting
• Strong analytical and problem‑solving skills
• Effective communication and collaboration skills

• Familiarity with simulation tools (e.g., Ansys or similar)
• Ability to work more independently and contribute to design decisions

• 0–2 years of relevant experience (internships, co‑ops, or academic projects acceptable)
• Exposure to mechanical design, CAD modeling, and basic analysis techniques

• 2–5 years of relevant experience, or advanced degree with related experience
• Experience designing and validating mechanical systems in a professional environmentExperience with thermal management, simulation, or product development preferred
• Experience applying DFM/DFA principles
• Experience with tolerance stack‑ups and GD&T (ANSI Y14.5)
• Experience with thermal design and analysis (heat transfer, cooling systems)

• Bachelor’s degree in Mechanical Engineering, Materials Science, or related field required

• Bachelor’s or Master’s degree in Mechanical Engineering, Materials Science, or related field required

As required by multiple state pay transparency laws, Advanced Energy provides a reasonable range of compensation for each job posting. Actual compensation is influenced by an array of factors including, but not limited to, skill set, level of experience, and specific office location. The range of starting pay for this role is $65,000 to $105,000 per year.

As part of our total rewards philosophy, we believe in offering and maintaining competitive compensation and benefits programs for our employees to attract and retain a talented, highly engaged workforce. Our compensation programs are focused on equitable, fair pay practices including market-based base pay, an annual pay‑for‑performance incentive plan, and discounted Employee Stock Purchase Plan.

In addition to our competitive compensation practices, we offer a strong benefits package in each of the countries in which we operate. In the U.S., we offer a rich benefits package that includes:

• Medical – multiple medical plans are available to choose from
• Short and long‑term disability and life insurance
• Health savings and flexible spending accounts
• Generous time off policy starting with 3 weeks of paid vacation, 7 days of paid sick time, and 12 paid holidays
• 8 hours of paid volunteer time off
• 8 weeks of paid parental leave for both Moms and Dads
• Company matched 401(k)
• Expanded mental health coverage and employee assistance programs
• Other voluntary benefits include critical illness, accident and hospital indemnity, pet insurance, identity theft, and legal assistance

Advanced Energy is committed to diversity in its workforce including Equal Employment Opportunity for Minorities, Females, Protected Veterans, and Individuals with Disabilities.

Advanced Energy is also committed to providing reasonable accommodations in our job application process/procedures for qualified individuals with disabilities. If you require assistance in completing an Advanced Energy application, please reach out to HumanResources@aei.com.