Next Tier Concepts, Inc.

Staff Accountant

Job ID
# of Openings


NT Concepts is seeking a Staff Accountant. The position primarily focuses on Billing activities and will be responsible for Invoice Preparation, Delivery and Collection of payments. This role will also support other functions such as Accounts Reconciliations, Accounts Payable and the maintenance of Customer and Contracts files.


  • Prepare invoices for Manager review and approval including relevant documentation, receipts and reports
  • Submit invoices to customers via mail, email or other electronic methods
  • Maintain cumulative-to-date billed & funding information. Preemptively and proactively identify issues related to Contract Endings or Funding Insufficiencies
  • Reconcile and Record daily, weekly and monthly Invoices and Payments in Accounting System
  • Track unbilled amounts and reconcile billings and billable costs
  • Track aging of Invoices and status of Payments
  • Interact with customers, specifically regarding submission of invoices and collection of payments
  • Reconcile, research and document labor and billing history to support Contract Closeouts
  • Reconcile, document and deliver labor and billing history reports to clients, as required by contract terms
  • Run and deliver reports to Management related to A/R, Labor, Funds Backlog and Job Status
  • Maintain records in accordance with our Retention policy and accepted standards including Customer and Contracts files
  • Maintain electronic records of Customer and Contracts files in Accounting System
  • Read contracts and extract information relevant to Billing
  • Ensure accurate labor hours are recorded in customers Billing or Timekeeping Systems
  • Track and Ensure timely receipt and Book A/P vouchers for Subcontractors Invoices
  • Prepare and Record Journal Entries including but not limited to Prepaid expenses
  • Maintain Schedules and Documentation of Recurring Journal Entries
  • Prepare and Analyze reconciliations of Accounts including Prepaid and Cash/Bank accounts
  • Provide support for Incurred Cost Submissions, Interim and Annual audits
  • Maintain Schedules for and Submit GSA/GWAC Invoice Data, CAF Remittance and Subcontracting Reports
  • Assist Visa Card holders with timely and accurate submission of Expense Reports
  • Validate and Book monthly A/P vouchers for Corporate VISA Credit Card statements
  • Run month-end Labor, A/P, A/R, G/L and other Financial Reports
  • Assist with Monthly/Quarterly Health & Welfare liability reconciliation
  • Assist with various Year-End closing tasks, including 1099s
  • Assist Accounting & Finance departmentw with other tasks, as assigned



  • Associates or Bachelor’s Degree in Accounting
  • 2 years of relevant work experience
  • Government contracting experience required
  • Experience with computer based accounting systems, preferably Deltek’s GCS or Unanet
  • Advanced Excel skills
  • Knowledge of relevant accounting principles and practices
  • Strong documentation, problem solving and multi-tasking skills
  • Attention to detail
  • Possess strong written and oral communication skills to interface with other departments, customers and subcontractors




NT Concepts is a company of talented, dedicated people committed to helping our customers achieve critical missions that are of the utmost importance to our nation and our world. We fuse business process with technical expertise to deliver data-driven enterprise solutions that solve our clients' most unique challenges. Founded in 1998 and headquartered in the Washington DC Metro area, NT Concepts is a privately held mid-tier company with customers spanning the Federal Civilian, DoD, and Intelligence Communities.

NT Concepts is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer (M/F/D/V), making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

All resumes are held in confidence. No recruiters or agencies without a previously signed contract. No faxes please. Only candidates whose profiles closely match requirements will be contacted during this search.

NT Concepts participates in E-Verify.   

If you need a reasonable accommodation for any part of the employment process, please send an e-mail to and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis.






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