Staff Accountant

Staff Accountant

GTSC is hiring a Staff Accountant with 5 or more years recent experience accounting experience, preferably in a government contracting environment with Deltek Costpoint and/or Unanet experience.

MISSION: The Staff Accountant supports the full accounting lifecycle and plays a key role in month-end close activities within a government contracting environment. This position is responsible for advanced general ledger functions, audit support, expense compliance, and cross-functional collaboration. The ideal candidate brings strong GovCon accounting experience, sound judgment, and the ability to work independently while mentoring junior staff.

This position is onsite in Chantilly, VA for the first 90 days, and, then becomes hybrid-eligible.

Minimum Qualifications

• Bachelor's degree in Accounting or a related field (relevant experience may be considered in lieu of degree).
• 5+ years of accounting experience, preferably in a government contracting environment.
• 5+ years of hands-on experience with Deltek Costpoint and/or Unanet.
• Proficiency with Microsoft Excel.
• Strong attention to detail, analytical skills, and commitment to accuracy.

Preferred Qualifications

• Experience supporting Federal contracts and multiple contract types (FFP, T&M, CPFF).
• Working knowledge of DoD Joint Travel Regulations (JTR).
• Prior involvement with audit preparation (e.g., DCAA-related or external audits).
• Ability to manage multiple priorities and meet deadlines.
• Strong written and verbal communication skills.
• Ability to handle sensitive and confidential information professionally.

Key Responsibilities

• Perform and review general ledger activities, including journal entries, reconciliations, and month-end close support.
• Assist in monthly timesheet entries.
• Ensure accuracy and timeliness of financial data in accordance with GAAP and company policies.
• Prepare schedules and documentation supporting internal and external audits.
• Assist with Sales & Use Tax filings and supporting workpapers.
• Review and audit employee travel and expense reports in Cost Point/ Unanet, ensuring compliance with company policy and Joint Travel Regulations (JTR).
• Serve as a subject-matter resource for expense reporting questions and issue resolution.
• Support Accounts Payable, Purchase Orders, and voucher processing as needed.
• Assist with special accounting projects, system enhancements, and process improvement initiatives.
• Identify opportunities to strengthen internal controls and improve efficiency.

Benefits

• 15 days of PTO.
• 11 paid federal holidays.
• Medical, Dental, Vision, Life, and Disability insurances.
• HSA and FSA.
• Travel assistance program.
• Pet insurance.
• and many others.

GTSC is proud to be an equal opportunity employer, committed to recruiting, hiring, and promoting qualified people of all backgrounds, regardless of sex; race; color; creed; national origin; religion; age; marital status; pregnancy; physical, mental or sensory disability; sexual orientation; gender identity or any other basis protected by federal, state or local law. Learn more about your EEO rights as an applicant.

GTSC is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. If you have a disability and require assistance with our online application process, please tell us how we can help by contacting us at View email address on click.appcast.io.

Note: This accessibility is intended for individuals requiring accommodations and should not be used to check on the status of your application. Inquiries not specific to requesting accommodation will be discarded. GTSC participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.

Employment in this position is contingent upon the successful completion of a background check. Depending on the nature of the job duties or requirements set forth by our government clients, additional screenings such as drug testing and/or credit checks may be required. These checks are conducted in accordance with all applicable federal, state, and local laws.