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Senior Design Engineer

MacDonald-Miller Facility Solutions
Seattle, WA
  • Posted: over a month ago
  • Full-Time
Job Description

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 over 1500 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 – Engineering, fabrication and install of mechanical systems for new projects following lean construction practices 
  • Special projects – Retrofits and mechanical repairs for existing buildings for new efficiencies 
  • Service - scheduled preventative maintenance ensuring tenant comfort, and 24/7 emergency response 
  • Building performance – Control systems, fault detection, energy services and remote monitoring 

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 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.


The Senior Design Engineer role reports to Ben Gezon/ Engineering Principle on a collaborative team working on a variety of projects and initiatives to support the growing business. This role is responsible for the layout, design, and coordination of a wide range of exciting local projects.

Top deliverables in the first year to be a hero:

  • Deliver high quality designs that are fully coordinated, free of errors, and on time.
  • Meet or beat engineering budgets established on each project.
  • Communication – This job requires a lot of coordination and effective written and oral communication is key!


  • Direct workflow for other team members and delegate task assignments on assigned projects.
  • Efficiently work on multiple projects, advancing them from concept to successful conclusion with minimal supervision.
  • Design, perform calculations, select equipment, and layout Mechanical HVAC and Plumbing systems.
  • Coordinate designs with architects, structural engineers, sub-contractors, owners representatives, and other external partners.
  • Similarly, coordinate designs with salespeople, project managers, field personnel, and other MacDonald-Miller colleagues.
  • Support mechanical construction projects with Revit, AutoCAD & Bluebeam Revu software.
  • Understand and stay current on codes, standards, and industry practices.
  • Learn and utilize company standards to deliver consistent design and construction documents.
  • File, organize and maintain all paperwork and digital files.
  • Express ideas clearly and listen effectively to others.
  • Mentor and train other team members.
  • Establish and maintain a solid rapport with co-workers and other departments.
  • Represent MacDonald-Miller’s vision and character both internally and externally.
  • Maintain a collaborative environment between engineers, CAD operators, BIM specialists, account executives, superintendents, operations managers, project managers, detailers and office personnel by following an integrated project development process to create documents for all project phases.
  • Understand, accept and support MacDonald-Miller Facility Solutions’ Operating Guidelines, Operational Beliefs & Customer Commitment.


  • Strong accountability.
  • Dependable with tracking project deliverables, thoroughly checking work, finishing assignments, and meeting deadlines.
  • Comfortable navigating Microsoft Office products.
  • Capable of learning and adapting to computer software, trends, and technology.
  • Exercise strong organizational and analytical skills.
  • Self-motivated and goal-setting.
  • Ability and willingness to work independently or in a team atmosphere.
  • Take pride in their work and accepts a level of responsibility for their professionalism and accuracy.
  • Willing to adapt to MacDonald-Miller standards and procedures


Compensation: $120,000.00 - $130,000.00 per year

MacDonald-Miller Facility Solutions presently provides employee coverage for:

  • Medical, dental, vision for employees (coverage available for dependents for shared premium).
  • 401k retirement plan including Company matching.
  • Vacation and Sick Compensation (PTO), and Holiday Pay!
  • Disability income protection including short term and long-term disability.
  • Employee and dependent life insurance.
  • Wellness Program.
  • Employee Assistance Program.

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.

MacDonald-Miller Facility Solutions


Seattle, WA



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