Service Accounting Specialist

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