Design Engineer

MacDonald-Miller Facility Solutions • Full-time • Seattle, Washington, United States • 15h ago

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 one thousand employees across fourteen 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 create new efficiencies.
Service – Scheduled preventive maintenance ensuring tenant comfort and 24/7 emergency response.
Building Performance – Control systems, fault detection, energy services, and remote monitoring.
Performance Contracting – 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 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 unique strengths that 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! – Taking the work seriously but never taking ourselves too seriously. It’s possible to be both serious professionals and good-natured people you enjoy working with — we strive to be both.

Design Engineer: This is where you come in.

We’re looking for a Design Engineer responsible for the layout, design, and coordination of assigned projects while ensuring high-quality, accurate, and timely deliverables. This role supports ongoing engineering documentation, design development, and quality control efforts. The Design Engineer works collaboratively with internal teams and external partners to deliver coordinated mechanical designs and construction documents aligned with company standards.

In return for your hard work and ability to deliver results, you’ll be rewarded with more ownership, abundant growth opportunities, and more freedom than you’ve probably ever had.

Top Deliverables in your first Year to be a Hero

Deliver exceptional designs – Produce fully coordinated, accurate HVAC and plumbing system designs that meet project requirements, codes, and quality standards.
Manage projects from start to finish – Oversee multiple projects simultaneously, ensuring schedules, budgets, and performance goals are consistently achieved.
Lead with accountability – Coordinate project workflows, delegate tasks effectively, and guide team members to deliver on time and with precision.
Collaborate across disciplines – Work closely with architects, engineers, project managers, and field teams to ensure design intent aligns seamlessly with construction execution.
Produce clear, high-quality documentation – Create and maintain detailed calculations, reports, and design drawings using Revit, AutoCAD, and Bluebeam Revu.
Invest in others – Mentor and train team members to strengthen technical expertise, uphold company standards, and support professional growth.
Champion innovation – Drive process improvements and introduce new technologies that enhance design efficiency and project delivery.

The Design Engineer reports to Lewie Thomson, Principal Engineer, and is part of a collaborative team driving a wide range of projects and initiatives that support our growing business. This highly visible role offers the opportunity to work across all levels and functions of the organization.

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

You should have:

Bachelor’s degree in Mechanical Engineering or related field preferred.
Professional Engineer (PE) license strongly preferred.
Experience with Revit, AutoCAD, and Bluebeam Revu is required.
Experience in the construction or building systems industry is preferred.

How Your Colleagues Will Describe You:

Takes full ownership and accountability for your work, ensuring every task is completed with excellence.
Highly dependable, consistently tracking deliverables, reviewing work thoroughly, and meeting deadlines.
Technologically proficient, comfortable with Microsoft Office, and quick to adapt to new software and tools.
Exceptionally organized with strong analytical and problem-solving skills.
Self-motivated and goal-oriented, thriving both independently and as part of a collaborative team.
Detail-oriented with a commitment to producing professional, accurate, and high-quality work.
Excellent communicator with strong interpersonal skills, fostering collaboration across departments and disciplines.
Skilled at managing multiple projects and priorities efficiently without compromising quality.
Knowledgeable of relevant building codes and industry standards, ensuring compliance and best practices.

And you should be motivated by:

Taking ownership of your learning and growth — if you need constant direction or micromanagement, this isn’t the right role for you.
Thriving in a fast-paced, results-driven environment where initiative and continuous improvement are recognized and rewarded.
Contributing to a transparent, innovative, and collaborative culture that values teamwork, curiosity, and creative problem-solving.

Compensation: $80,000–$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 Seattle Headquarters, located at 17930 International Blvd, SeaTac, WA 98188, offers easy access to the Seattle-Tacoma International Airport, ample secured parking, and newly renovated office facilities — not to mention great views!

Interested in Learning More?
If you’re ready for an adventure and interested in being considered for this role, click Apply to start the conversation!

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.

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