About the job
MacDonald-Miller Facility Solutions is a leading mechanical contractor in the Pacific Northwest, focused on improving the operational efficiency of commercial buildings. Headquartered in Seattle, Washington, the company delivers HVAC, plumbing, and automation system solutions for a wide range of clients.
About the Company
With more than 1,600 professionals across 13 offices, MacDonald-Miller offers opportunities to work on projects that shape the region’s built environment. Teams are known for exceeding client expectations and consistently delivering strong results. Learn more about their work at macmiller.com/projects.
What We Do
- New Construction: Engineering, fabricating, and installing mechanical systems with lean construction methods.
- Special Projects: Retrofitting and repairing existing systems to improve efficiency and comfort.
- Service: Scheduled preventative maintenance and 24/7 emergency support to keep tenants satisfied.
- Building Performance: Installing control systems, fault detection, energy services, and remote monitoring.
- Energy & Sustainable Solutions: Providing design-build, energy-efficient solutions as the Prime Contractor for private and public clients.
Our Core Values
MacDonald-Miller’s culture is built on collaboration, dedication, and safety. Read more about these values at macmiller.com/mm-culture-values.
- Collaboration: Bringing together diverse skills to achieve shared goals, where every team member’s strengths matter.
- Dedication: Commitment to personal and professional excellence, always following through on promises.
- Safety: Maintaining a workplace where safety is a core mindset for everyone, not just a rule.

