Associate Mechanical Engineer

Headquartered in Fort Mill, South Carolina, Mac Lean Power Systems (MPS) is a leading manufacturer of mission-critical and engineered components for the electric utility, telecommunications, and civil markets. Established in 1986 as a subsidiary of a larger parent company, MPS has grown substantially and now operates as a standalone company. A dedicated workforce of over 2,000 team members worldwide, MPS is renowned for its commitment to quality, responsiveness, and safety.

Our focus on vertical integration ensures the highest standards across our product lines. We operate seventeen production facilities across North America and continually invest in our manufacturing capabilities to better serve our customers.

At MPS, we strive to create a workplace that embodies respect, openness, collaboration, personal growth, and entrepreneurship. We are committed to achieving excellence in Environmental, Health & Safety through our Mission Zero initiative.

Mac Lean Power Systems is seeking a motivated Associate Mechanical Engineer to join our growing engineering team in Stockton, California. This is a hands‑on engineering opportunity for someone who enjoys mechanical design, problem‑solving, testing, prototype development, and working directly with manufacturing teams. You will have the opportunity to support products from initial concept and design through fabrication, testing, production, and final release.

Our Stockton team designs and manufactures high‑voltage switch gear and utility equipment used by major electric utility companies throughout California and across the United States. We take pride in producing dependable, high‑quality, Made in the USA equipment that supports the nation’s electrical grid and critical infrastructure. Whether you are a recent graduate or an early‑career engineer looking to expand your experience, this role offers valuable exposure to product development, manufacturing, testing, and continuous improvement within a growing company.

• Create and revise 3D models and manufacturing drawings using Solid Works and AutoCAD.
• Produce detailed engineering drawings, assemblies, and bills of materials.
• Develop drawing details, dimensions, tolerances, and manufacturing requirements.
• Design, build, and evaluate mechanical prototypes.
• Perform product testing and document test procedures, observations, and results.
• Work directly with fabrication, machining, welding, and assembly teams to ensure designs are practical and manufacturable.
• Support prototype builds and assist with resolving fit, function, and manufacturing issues.
• Process Engineering Change Orders and Engineering Change Requests (ECOs/ECRs) and maintain accurate engineering documentation.
• Assist with troubleshooting manufacturing, assembly, and product‑performance issues.
• Support continuous improvement initiatives for existing products and manufacturing processes.
• Participate in design reviews and collaborate with cross‑functional teams throughout product development.
• Work closely with engineering, quality, operations, purchasing, and production personnel.
• Help take products from initial concept through prototype, testing, manufacturing, and production release.

• Bachelor’s degree in Mechanical Engineering or a related engineering discipline, or expected graduation in the near future.
• Experience with Solid Works and AutoCAD is preferred, but not required.
• Strong mechanical aptitude and problem‑solving skills.
• Mechanically inclined with a desire to work in a hands‑on engineering environment.
• Interest in mechanical design, fabrication, welding, manufacturing, and product testing.
• Comfortable working in both an office and manufacturing setting.
• Ability to communicate effectively with engineers, welders, fabricators, machinists, assemblers, and other team members.
• Strong communication and organizational skills.
• Ability to manage multiple projects while maintaining attention to detail.
• Positive attitude, willingness to learn, and ability to take direction.
• Desire to grow professionally and take on increasing levels of responsibility.