Commercial HVAC​/Plumbing Service Operations & Billing Coordinator

Commercial Service Administrator supports the commercial operations of a business by managing administrative, customer service, and coordination tasks that ensure smooth service delivery and client satisfaction.

This is not a dispatch-only position. The successful candidate must be able to read service agreements, understand labor rates and not-to-exceed limits, review job costs, prepare accurate invoices, identify missing billing documentation, track parts orders and coordinate commercial HVAC and plumbing technicians.

• Coordinate and support commercial and sales activities — including preparing and processing sales orders, contracts, and proposals
• Maintain and update customer and supplier databases — ensuring accurate and up-to-date information for service delivery
• Liaise with clients, suppliers, and internal teams — to resolve inquiries, process service requests, and ensure timely delivery
• Support finance and billing — assisting with invoicing, billing, and payment tracking
• Order Processing & Tracking
  :
  Initiate, process, and track purchase orders with suppliers, ensuring all documentation is accurate and complete
• Supplier Coordination
  :
  Liaise with vendors to confirm delivery schedules, resolve shipment issues, and address shortages or delays
• Problem-solving and analytical skills — to identify and address service or operational issues
• Act as a point of contact for service-related issues, providing clear communication and updates to clients Indeed.
• Excellent written and verbal communication — for client interaction, reporting, and internal coordination

This role is typically full-time, with a mix of administrative, customer service, and coordination duties. It requires the ability to work independently and as part of a team, adapting to changing business needs and priorities

About Denali Construction Services
Denali Construction Services is a growing Mechanical, Electrical, and Plumbing (MEP) contractor serving commercial, industrial, municipal, healthcare, educational, aviation, and government facilities throughout Texas. We provide both construction and service solutions for complex facilities, including airports, schools, correctional facilities, manufacturing plants, and mission-critical environments.
We are seeking a highly organized and detail-oriented Commercial Service Admin to support our Service and Service Operation team. This position plays a critical role in keeping projects and service work organized, on schedule, and moving efficiently from startup through closeout.