Billing & Collections Specialist

(Commercial/Industrial HVAC)

Location: Prince Frederick, Maryland

Since 1986, Calvert Controls has been a leading provider of HVAC mechanical service, installation and building automation controls serving the Washington DC Metropolitan area. Our customer focus sets us apart! At Calvert Controls, we are dedicated to delivering the highest quality of customer satisfaction in our industry, with a sense of warmth, individual pride, and company spirit. In June of 2021, Calvert Controls joined the Orion Group with the expectation of expanding, perfecting and truly being the best first in class Mechanical “one-stop shop” in the DC region.

Calvert’s Purpose and Values: We consistently deliver for our customers, colleagues, and community in a distinguished manner. By continuously developing the best in our team, we bring it, we earn it, and we are proud of our contributions in building a worthy legacy of consistent excellence in craftsmanship and service.

We are looking for a reliable Billing & Collection Specialist to perform tasks that will help us monitor our revenues. You will be responsible for keeping track of money owed to us by customers, preparing invoices and updating records. The Billing Specialist is also responsible for creating and sending invoices, tracking of payments, updating customer records, and sending out payment reminders and follow-ups. Duties include but are not limited to creating financial documents like credit memos and invoices for customers to receive.


  • Time and Materials Billing
  • Project Billing
  • Monthly Preventative Maintenance Billing
  • Communicating with CSR’s and technicians when needed for T&M Billing
  • Collection Calls
  • Managing account balances to discover outstanding debts or other inconsistencies
  • Issue account statements monthly
  • Process credit card payments

As a billing specialist, you must be accurate and reliable in handling accounts and documents. A high degree of organizational ability is essential due to the vast amount of financial information. Since you will be using technology to expedite your work, a high degree of computer knowledge is required.

The goal is to contribute to the accurate preparation of receivable invoices while maintaining the strictest confidentiality while doing so.

  • Proficiency in Microsoft Office Word, Excel, and Outlook
  • Strong communication skills both verbal and written
  • Ability to multi-task
  • Understanding of accounting functions and systems

Licensing/Certification: N/A


  • Compensation is commensurate with experience, with a base salary plus commission and a benefits package
  • Medical/Dental/Vision Insurance
  • SIMPLE IRA with Employer Contributions
  • PTO
  • Paid Holidays
  • Short-term Disability
  • Continuing Education
  • And more!

Calvert Controls is an Equal Opportunity/Affirmative Action Employer with a strong commitment to the achievement of excellence and diversity among its workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by law.

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