Estimating Intern

Intern - Estimating

MacDonald-Miller Facility Solutions · Seattle, United States · Full-time · Posted 2026-11-11

Salary: 50,000–54,000

Workplace: on_site

Department: Estimating

Description

** DISCLAIMER: If you did not see us on your school's campus, please feel free to apply. Our internship recruiting process can take up to 2 months, so we appreciate your patience. ** 

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 our 1,600 employees across 15 offices – there is a breadth and variety of work to keep you engaged and inspired. 

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

• New construction – From an architectural 3D model to a completed 40 story urban building that is on time and on budget 

• Special projects - Updates/remodeling for existing commercial buildings for new efficiencies 

• Service - On demand and scheduled maintenance ensuring tenant comfort 

• Energy & Sustainable Solutions -- Acting as the Prime Contractor, we deliver design-build energy-efficient solutions in the built environment for 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 meet our common 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 hardhats and boots, it’s an attitude and the 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 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

Estimating Interns: This is where you come in.

We’re hiring two Estimating Interns to join our Estimating Department! Our team develops mechanical construction estimates for commercial, industrial, and medical facilities. You’ll work alongside experienced estimators, learn to review drawings and specifications, and gain hands-on experience identifying the materials, equipment, and labor needed to bring HVAC and plumbing projects to life.

Top 3 things we expect you to do during your internship:

• Learn and explore. Build your understanding of HVAC, plumbing, and mechanical contracting while learning how project scope, costs, and construction methods shape an estimate.
• Contribute to your team. Assist with quantity takeoffs, organize pricing information, review vendor quotes, and help prepare accurate, complete estimates with guidance from experienced estimators.
• Discover your career path. Build relationships, enjoy the experience, and explore whether a future in estimating at MacMiller is right for you.

Our Estimating Interns work with experienced members of our Estimating team, collaborating with engineering, project management, and other teams to support our growing business.

Your Background: What kind of person will thrive in this role?

You should have…

• An interest in mechanical systems, construction, and estimating.
• Strong attention to detail and an interest in working with numbers.
• A natural curiosity and enthusiasm for solving problems and learning new things.
• Required: Current enrollment in a bachelor’s degree program in construction management, mechanical engineering, or a related field.

And everyone you work with should describe you as…

• Hardworking and dependable.
• Organized and detail-oriented.
• Adaptable and eager to learn.
• Positive, with a can-do attitude.
• A strong communicator and collaborative teammate.

And you should be motivated by…

• Taking initiative. You seek out learning opportunities, ask thoughtful questions, and apply feedback to build your skills and independence.
• Making a contribution. You take pride in accurate work and enjoy helping your team meet deadlines and develop competitive estimates.
• Being part of a supportive team. You value open communication, fresh ideas, and a welcoming environment where people work hard and have fun together.

Benefits

Compensation: You will be paid $26/hr for the duration of your internship. 

Where you will work 

Our Seattle HQ office (17930 International Blvd, SeaTac, WA 98188) has easy access to the SeaTac International Airport, ample secured parking, and newly renovated office facilities - not to mention great views! Neighborhood amenities include an onsite deli, restaurants, and convenient freeway/airport access. 

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.

Apply

Apply at MacDonald-Miller Facility Solutions

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