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System Optimization Department Manager

MacDonald-Miller Facility Solutions · Seattle, Washington, United States · On-site

Pay: USD 142,000 – 175,000 a year

Posted Sep 15, 2026

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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 1,600 employees across 14 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 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 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. Requirements System Optimization Department Manager: This is where you come in. We’re looking for a System Optimization Department Manager to lead the department responsible for company quality-control standards, commissioning, System Optimization Specialists supporting New Construction and Energy & Sustainable Solutions, and the Field Engineering/TAB group. This role owns departmental performance, technical quality, people leadership, financial discipline, and cross-functional collaboration required to deliver verified, high-performing mechanical systems.…