Intern - Design Engineering

MacDonald-Miller Facility Solutions • Seattle, WA

3h • Onsite

About The Position

MacDonald-Miller Facility Solutions is hiring two Design Engineer Interns to join its Engineering Department. The team develops practical HVAC and plumbing designs for commercial, industrial, and medical facilities. Interns work alongside Professional Engineers and gain hands-on experience with engineering drawings and calculations while learning how mechanical systems help buildings operate efficiently and reliably.

During the internship, interns build their understanding of HVAC, plumbing, and mechanical contracting, from early design concepts through construction; assist with engineering drawings and calculations; and help develop solutions to project challenges. The role also offers opportunities to build professional relationships and explore a future engineering career at MacDonald-Miller.

The interns report to Lead Engineers and work with a collaborative team on projects supporting the company’s growing business. The position is based at the Seattle headquarters in SeaTac, Washington. Compensation is $26 per hour for the duration of the internship.

Requirements

• Currently enrolled in a bachelor’s degree program in mechanical engineering, construction management, or a related field.
• Interest in mechanical systems and engineering.
• Curiosity and enthusiasm for solving problems and learning new things.
• Hardworking and dependable.
• Adaptable and eager to learn.
• Positive, can-do attitude.
• Strong communication skills and ability to collaborate as a teammate.
• Takes initiative by seeking learning opportunities, asking thoughtful questions, and applying feedback.
• Enjoys contributing in a results-oriented environment, taking ownership, and growing through new challenges.
• Values open communication, fresh ideas, and a supportive team environment.

Responsibilities

• Learn about HVAC, plumbing, and mechanical contracting from early design concepts through construction.
• Assist with engineering drawings.
• Perform calculations.
• Help develop solutions to real project challenges.
• Build relationships with colleagues and explore a potential engineering career at MacDonald-Miller.

What This Job Offers

• Job Type: Full-time
• Career Level: Intern