At MacDonald-Miller Facility Solutions (“MacMiller”), the Northwest’s leading mechanical contracting firm, we design, deliver, and service HVAC, plumbing, and automation system solutions for commercial buildings. With 1,600 employees across 13 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 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.
System Optimization Specialist – This is where you come in.
We’re looking for a System Optimization Specialist to serve as a key technical leader responsible for ensuring HVAC and mechanical systems are installed, tested, validated, and optimized to meet design intent, contract requirements, and MacDonald-Miller performance standards.
In this role, you will bridge field execution, commissioning, and system performance by combining hands-on field expertise with system-level optimization, QA/QC oversight, and cross-functional coordination. You will act as a single point of accountability for verifying system functionality, identifying deficiencies, and driving resolution to deliver a high-performing, zero-callback project.
You will work closely with field teams, controls, engineering, and project management, while also interfacing with owners, general contractors, and design engineers.
Top 3 Things to Deliver in Your First Year to Be a Hero
• System Performance – Ensure all HVAC and mechanical systems are fully functional, optimized, and operating in alignment with design intent prior to project turnover.
• Accountability – Serve as the go-to technical expert responsible for identifying issues, driving resolution, and ensuring zero-callback performance.
• Coordination – Build strong partnerships across field labor, controls, engineering, and project teams to ensure seamless system validation and commissioning.
The System Optimization Specialist role reports to Nicole Spangler the System Optimization Department Manager. In this role, you will analyze system performance across airside and hydronic systems, validate installations against contract documents and sequences of operation, and lead system testing, troubleshooting, and optimization efforts. You will support QA/QC and commissioning processes, ensure documentation is complete and accurate, and communicate system status, deficiencies, and resolutions clearly to project stakeholders. You will also play a key role in owner training and system turnover, ensuring long-term system performance and client satisfaction.
Your Background: What Kind of Person Thrives in This Role?
You should have:
• Experience in TAB, HVAC service, commissioning, or a related field
• Strong knowledge of HVAC systems, including airside and hydronic systems
• Experience working with Building Automation Systems
• Ability to read and interpret construction drawings, specifications, and sequences of operation
• Hands-on experience with system diagnostics, troubleshooting, and optimization
• Certification (or working toward certification) such as NEBB, AABC, or BCxA, preferred
People who work with you would describe you as:
• Detail-oriented and highly accountable
• Technically strong with a systems-thinking mindset
• Proactive in identifying and solving problems
• Clear and confident in communication across teams and stakeholders
You are motivated by:
• Taking ownership of system performance and delivering high-quality results
• Solving complex technical challenges in the field
• Working across teams to drive projects to successful completion
• Continuously improving processes, systems, and your own technical expertise
Compensation:
$120,000 to $155,000 annually.
For union-represented employees (SMART Local 66), wages, benefits, and working conditions are governed by the applicable Collective Bargaining Agreement. Benefits are administered through the union trust.
Benefits:
MacDonald-Miller Facility Solutions proudly provides comprehensive employee coverage for non-union employees, 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)
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. 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.
