Billing Clerk/Administrative Assistant

National Mechanical Experts
Hillsborough, NC


National Mechanical is seeking a detail-oriented Billing Clerk/Administrative Assistant to support billing functions and provide general administrative support to our operations team. This role is responsible for accurate invoicing, organized recordkeeping, and day-to-day administrative assistance in a fast-paced service environment.

Primary Responsibilities
  • Prepare and process customer invoices, including progress billing and change notices
  • Review work orders and documentation to ensure billing accuracy and completeness
  • Perform basic accounts payable tasks, including invoice entry and assisting with check processing
  • Monitor open work orders and support timely month-end and year-end billing close
  • Research and resolve billing or payment discrepancies
  • Support operations with administrative and project-related tasks
  • Maintain and update multiple data-tracking spreadsheets
  • Provide general administrative support to the operations team
  • Provide backup support to dispatch by answering phones and assisting customers
  • Perform other related duties as assigned
Qualifications
  • 1–2 years of billing and/or administrative experience preferred
  • Experience in a service, construction, or trade environment is an asset
  • Proficient in Microsoft Office, particularly Excel and Word
  • Experience working with billing or accounting systems preferred
  • Familiarity with basic accounting principles is beneficial
  • Strong attention to detail and organizational skills
  • Ability to manage multiple tasks and meet deadlines
  • Clear, professional communication and a team-oriented, dependable work style


Candidates interested in applying for the above position should forward their resumes via email to [email protected] with attention: Human Resources.
Although we appreciate your interest in National, only those individuals selected for an interview will be contacted.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability or protected veteran status.

Posted 2026-02-07

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