At MacDonald-Miller Facility Solutions (“MacMiller”), we make buildings work better. As the Northwest’s leading mechanical contracting firm, we design, deliver, and service HVAC, plumbing, and automation system solutions for commercial buildings. With more than 1,600 employees across 15 offices, there’s a breadth and variety of work to keep you engaged and inspired.

We have a well-respected history of exceeding our customers’ expectations and executing with distinction. Our clients trust their toughest projects to our integrated teams, including:

• New Construction – Engineering, fabrication, and installation of mechanical systems for new projects following lean construction practices.
• Special Projects – Retrofits and mechanical repairs for existing buildings to improve efficiency and performance.
• Service – Scheduled preventive maintenance ensuring tenant comfort and 24/7 emergency response.
• Building Performance – Control systems, fault detection, energy services, and remote monitoring.
• Energy & Sustainable Solutions: Acting as the Prime Contractor, we deliver design-build, energy-efficient solutions in the built environment for both private and public sector clients.

People love to work at MacDonald-Miller, and it’s because we all share the same Core Culture Values:

Collaboration – Diverse players, one team, a common vision. Collaboration is our foundation and critical to the success of the company. Every team member is valued and brings a diversity of strengths to help us achieve our shared vision.

Dedication – We are dedicated to personal and professional excellence. We execute with distinction by doing the right thing and following through on our commitments.

Safety – Everyone deserves a safe workplace. Safety is more than hard hats and boots; it’s an attitude and an environment we create. Every day, everyone goes home to their families.

Community – We are proud to be part of MacDonald-Miller. We actively seek to build relationships and know each other as individuals. Together, we create an environment that is welcoming, caring, and trusting.

Innovation – We are committed to continuous, creative problem solving. Innovation is how we stay an industry leader. We always strive to challenge and better ourselves.

Fun! – Take the work seriously, but never take ourselves too seriously. It’s possible to be both serious professionals and good-natured people you enjoy working with — we strive to be both.

Requirements

Project Engineer: This is where you come in.

We’re seeking Project Engineers who thrive in a team environment, working alongside both office and field employees to deliver large-scale projects. Whether you’re creatively tackling the challenges of renovating an existing system or helping a brand-new building come to life, you’ll play a key role in driving project success.

In return for your hard work and ability to meet ambitious goals, you’ll be rewarded with increased responsibility, significant growth opportunities, and a level of autonomy that empowers you to excel.

The Project Engineer role reports to one of our Senior Project Managers and is part of a collaborative team handling a variety of high-impact projects. This highly visible position offers the opportunity to engage with all levels and functions across the organization, making a meaningful impact on our growing business.

Top 3 Things to Deliver in the First Year to Be a Hero

• Master HVAC and Plumbing Systems – Deepen your expertise by studying HVAC and plumbing systems and learning from the highly skilled professionals around you.
• Support Project Execution – Assist with preparing subcontracts, purchase orders, project correspondence, field questions, and job write-ups to understand the full lifecycle of a building project.
• Manage Scheduling and Logistics – Oversee job progress by tracking equipment and material deliveries to ensure projects stay on schedule.

Your Background: What Kind of Person Will Thrive in This Role?

You should have…

• A proven ability to deliver high-quality, detail-oriented work—whether in school, extracurriculars, or previous roles.
• A strong interest in and natural aptitude for mechanical systems.
• A bachelor’s degree in Mechanical Engineering, Construction Management, or a related field—or equivalent experience.

And everyone you work with should describe you as…

• Highly motivated and hardworking.
• Collaborative and easy to work with.
• Adaptable and quick to adjust to changing priorities.
• Skilled at balancing attention to detail with a big-picture perspective.

And you should be motivated by…

• Seeing large projects come to life—balancing day-to-day tasks with long-term goals.
• Taking initiative to learn and solve problems independently—this isn’t the place for hand-holding or micromanagement.
• Thriving in a fast-paced, results-driven environment where you’ll be encouraged to take on more and achieve more each year.
• Enjoying a transparent, innovative workplace that values teamwork and continuous learning.

Benefits

Compensation: $75,000–$95,000 Annually

Benefits:
MacDonald-Miller Facility Solutions proudly provides comprehensive employee coverage, including:

• Medical, dental, and vision insurance for employees (coverage available for dependents with shared premium).
• 401(k) retirement plan with company matching.
• Paid time off (vacation, sick leave, and holidays).
• Disability income protection, including short-term and long-term disability.
• Employee and dependent life insurance.
• Wellness Program.
• Employee Assistance Program (EAP).

Where You’ll Work
Our Tri-Cities office, located at 106010 E Wiser Pkwy, Suite B, Kennewick, WA 99338, is surrounded by endless opportunities for recreation. The Snake, Yakima, and Columbia Rivers converge here, making this a haven for water sports like sailing, paddleboarding, waterskiing, swimming, fishing, and kayaking. You’ll also find nearby wineries, golf courses, shopping, and concerts—offering the perfect balance of work and play.

Interested in learning more?

If you’re ready for an adventure and are interested in being considered for this role, click apply to start the conversation! Or if you know someone who currently works at MacDonald-Miller, reach out to them to get introduced to the team!

MacDonald-Miller Facility Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.