Accounts Receivable Specialist

Accounts Receivable Specialist

MacDonald-Miller Facility Solutions · Seattle, United States · Full-time · Posted 2026-10-13

Salary: 57,000–73,000

Workplace: on_site

Department: Accounting

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 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 – 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

We are seeking a detail-oriented and proactive Accounts Receivable Specialist to join our Accounting Team. This role will focus on managing collections, supporting cash application processes, building strong relationships with customers to support timely payments and reduce outstanding receivables, and ensuring accurate documentation.

Top deliverables for the first year to be a hero:

• Proactively manage the collections process, including contacting customers via phone, email, and mail to follow up on outstanding invoices. Consistently maintain or reduce days in billing outstanding for responsible accounts to an average of 45 days or less. Keep the invoices over 60 plus days to lower than 15% of overall outstanding receivables
• Work closely with the cash application team to ensure payments are properly applied and discrepancies are resolved in a timely manner.
• Maintain accurate and up-to-date records of all collection activities, payment agreements, and communications with customers.
• Identify, investigate, and resolve disputed invoices or billing issues in collaboration with internal departments.
• Generate and analyze aging reports to prioritize collection efforts and escalate accounts as necessary.
• Assist in month-end closing activities, including reconciliation of AR accounts and preparation of reports.
• Develop and maintain positive relationships with customers, serving as a key point of contact for account-related inquiries.
• Maintain and update process documentation
• Recommend and help implement improvements to AR and collection processes for better efficiency and control.
• Other tasks as assigned by the manager

The Accounts Receivable Specialist role reports directly to Ewelina Szarkowicz – Accounts Receivable Manager on a collaborative team working on variety of projects and initiative to support our growing business. This is highly visible role that interacts with all levels and functions within the organization.

Benefits

Compensation: $27/hour to $35/hour

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.      

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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