Job Locations US-VA-Chantilly
Job ID
# of Openings


At REI Systems, our work makes a difference in the lives of millions of people every day. Do you want the opportunity to contribute, grow and learn every day? Enjoy working with amazing people? Being on a team that shares your values, matches your energy and truly impact people’s lives? If you are solution oriented, thrive in a fast paced, agile environment then come work for a company that was ranked 7th in the 2016 Washington Post Top Workplaces.


Influence the solution!


"REI Systems is an Equal Opportunity Employer (Minority/Female/Disability/Vet)"


Reporting to the Accounting Manager, this position will perform a variety of technical and clerical accounting duties involving financial record keeping and/or transactions; specifically, the essential functions of the Accountant will be:


Accounts Payable (AP)


  • Serve as point of contact for employees, vendors and other stakeholders in regard to expense vouchers, invoices, and payments
  • Create and process AP vouchers in the Accounting System
  • Validate all pending payments to make sure all substantiating documentation including Purchase Order, Receiving Report (Timesheet), and all supporting receipts are available 
  • Make sure all payments are made in a timely manner. Make sure all expenses are recorded against correct accounts in a logical fashion and in accordance with Generally Accepted Accounting Principles (GAAP) and Federal Acquisition Regulations (FAR)
  • Make General Ledger (GL) postings and reports as necessary, processing Electronic Funds Transfers (EFTs) making entries into Costpoint.
  • Bank Reconciliations
  • Analyze expenditure trends and provide reports in timely manner
  • Ensure costs are allocated in accordance with Budget; analyze and report variances


Accounts Receivable (AR)

  • Prepare, review and submit monthly AR invoices
  • Conduct routine follow-ups with customers
  • Reconcile payments to pending Accounts Receivables (AR)
  • Process cash receipts

Other similar professional duties maybe assigned as needed


1 year government contractor accounting experience desired

Must be proficient in MS Office (Excel, Word, and Outlook), Deltek Costpoint, and Deltek Time and Expense
Knowledge of Cognos Impromtu is a plus



Bachelor’s degree in Accounting or related field preferred


Employer will accept a suitable combination of education, training or experience


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