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Posted Apr 8, 2026

Service Accounting Specialist

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MacDonald-Miller Facility Solutions is the Northwest’s leading mechanical contracting firm, specializing in HVAC, plumbing, and automation system solutions for commercial buildings. They are seeking a Service Accounting Specialist to maintain accurate billing records, collaborate with various teams, and provide exceptional customer support while ensuring timely invoicing and problem resolution. Responsibilities - Process All Non-Billable Service Calls: Ensure every call is logged and handled accurately - Accurate and Timely Invoicing: Create and submit invoices to customers, ensuring all specific requirements and guidelines are met - Cross-Team Collaboration: Partner with Coordinators, Area Operations Managers, Technicians and Foremen to verify that all invoices reflect accurate costs and details before closing - Efficient Problem-Solving: Apply critical thinking and problem-solving skills to maximize monthly invoicing efficiency and accuracy - Maintain Accurate Records: Keep billing instructions and contact information up to date to support smooth and consistent invoicing - Exceptional Customer Support: Provide outstanding customer service and financial support to the Service team and other business units - Handle Adjustments Promptly: Process credits and revised invoices accurately and in a timely manner upon request - Proactive Follow-Up: Follow up with both internal and external customers to address billing inquiries and ensure resolution - Update Labor Rates: Manage and update labor rates as needed to reflect current agreements and conditions - Timely Call Processing: Ensure all call types are processed quickly and accurately to maintain operational efficiency Skills - Exceptional organizational skills and attention to detail to maintain accurate records - Flexibility to work overtime when needed - Strong customer support skills and feel confident reaching out to customers to resolve payment disputes - Close collaboration with other teams to ensure cost details are consistently accurate across all departments at MacDonald-Miller - Educational or work experience in accounting is a plus but not required — we're willing to train someone eager to grow and invest in themselves - Highly ethical and trustworthy - Positive and passionate with a can-do attitude - Goal-oriented and driven to succeed - A supportive and reliable team player - Adaptable and able to thrive in a dynamic environment Benefits - 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. Company Overview - MacDonald-Miller Facility Solutions is a full-service, design-build mechanical contractor in the Pacific Northwest. It was founded in 1965, and is headquartered in Seattle, Washington, USA, with a workforce of 1001-5000 employees. Its website is https://macmiller.com/.