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Billing Specialist

System OneUnited States🇺🇸United StatesPosted 27 Jul 2026

Quick Overview

Work Type
Remote
Level
Mid Senior

Job Description

Billing Specialist 
Remote 
Must be available for occasional meetings in La Plata, MD
ship required per government contract 
Must be able to obtain Secret clearance 


System One is seeking a Billing Specialist to work for a government contractor in the Washington DC Metro area. This is a great opportunity to join a team of fast-paced and dedicated professionals.

Job Description:
The Billing Specialist is responsible for the preparation, submission, tracking, and collection of invoices for government contracts and commercial customers. This position ensures compliance with Federal Acquisition Regulation (FAR) requirements, Defense Contract Audit Agency (DCAA) standards, and customer-specific billing requirements. The role manages accounts receivable activities, invoice processing, collections, payment reconciliations, contract closeouts, and supports reporting requirements while collaborating closely with the Program Management Office (PMO).

Primary Duties and Responsibilities:
•    Process semi-monthly and monthly invoices in JAMIS
•    Work closely with PMO team to troubleshoot invoice and payment issues
•    Enter invoices in WAWF and/or Prime systems
•    Mail invoices to Primes and DCAA
•    Enter customer payments and deposits in JAMIS
•    Send daily payment deposit updates to management
•    Perform weekly review of the AR aging, following up on late payments
•    Perform payment reconciliations
•    Validate government de-obligation requests prepared by PMO
•    Assists with data calls for year-end financial statements and DCAA audits.
•    Finalize and submit contract closeout invoices
•    Completes schedules I & K of the incurred cost submission
•    Cross-train with accounts payable department and act as a back up as needed
•    Maintains AR files
•    Other duties as assigned to support the needs of the Finance Department

Required Qualifications:
•    Minimum 3 years of experience generating billings in JAMIS, Deltek CostPoint, or similar system
•    3-5 years of experience entering Prime invoices in WAWF
•    Experience generating Cost Plus, T&M and FFP invoices
•    Knowledge of FAR regulations and DCAA invoicing requirements
•    Secret security clearance or ability to obtain a Secret Clearance
•    Experience with collections
•    Ability to work remotely

Education Requirements: 
•    Associates Degree in Business, finance or related field
•    Security Clearance Requirements:  Secret - ability to obtain one

Physical, Work Environment & Conditions:
Typical office environment:

•    Must be able to sit or stand at a workstation for extended periods.
•    Must be able to view computer screens for long periods.
•    Must be able to communicate clearly with teams and end-users.


Ref: #851-Rockville-S1
#M1
#LI-VH1
#DH-VH1

Skills

Accounts Payable
Accounts Receivable

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