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 1,500 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 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.
Service Buyer - This is where you come in.
We’re seeking a Service Buyer who brings a strong service mindset and hands on knowledge of HVAC and Plumbing mechanical parts to support our service operations. In this role, you will be the critical link between field service teams and suppliers, ensuring the right parts and equipment are sourced, purchased, and delivered accurately and on time.
You will manage purchasing activities from quote to delivery, balancing cost effectiveness with speed and reliability. By building strong relationships with suppliers and collaborating closely with service technicians, you will help keep work moving smoothly in the field and support exceptional customer outcomes.
This role is ideal for someone who thrives in a fast-paced environment, enjoys problem solving, and takes pride in providing dependable operational support. In return, you will gain ownership of key procurement processes, opportunities to improve efficiency, and visibility across service and procurement teams.
Top Deliverables in the First Year to Be a Hero
- Plan and Process Purchase Orders - Ensure all required parts and equipment are ordered accurately and delivered in a timely and cost-effective manner.
- Source Competitive Quotes - Solicit and evaluate supplier quotations to identify best value solutions, including for unique or non-standard products.
- Support Field Service Operations - Provide daily procurement support to service technicians by coordinating timely delivery of parts and equipment.
- Strengthen Supplier Communication - Clearly communicate purchase order requirements to suppliers to ensure proper fulfillment and minimize delays.
- Maintain Accurate Procurement Records - Keep detailed and compliant purchasing records in accordance with company policies and procedures.
- Build Procurement Knowledge - Develop a working understanding of procurement processes across departments to provide proactive support.
- Drive Continuous Improvement - Identify opportunities to improve efficiency, responsiveness, and service delivery within procurement operations.
The Service Buyer collaborates closely with service teams, suppliers, and internal stakeholders to support operational success. This role offers strong visibility across the organization and plays a key part in keeping service work moving efficiently.
Your Background. What Kind of Person Will Thrive in This Role?
You should have:
• High school diploma or equivalent
• Associate degree in Supply Chain Management or a related field, or at least two years of relevant procurement or purchasing experience
• Experience with procurement processes, purchase order systems, and vendor communications
• Service background with working knowledge of HVAC and Plumbing mechanical parts and equipment
• Proficiency in Microsoft Office, especially Excel. Experience with procurement software is a plus
Everyone you work with should describe you as:
• Highly detail oriented and accurate
• Organized and able to manage multiple priorities
• A strong communicator, both written and verbal
• Customer service focused with the ability to build positive relationships
• A practical problem solver with strong critical thinking skills
You should be motivated by:
• Supporting field teams and helping them succeed
• Working in a collaborative, service driven environment
• Taking ownership of your work and improving how things get done
• Being part of a team that values responsiveness, reliability, and continuous improvement
Compensation:
$70,000 to $90,000 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!
Neighborhood amenities include an onsite deli, nearby restaurants, and convenient freeway and airport access. It’s a modern, collaborative workspace designed to help you thrive.
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.
