Information Systems & Networks CorporationVerified Source

Senior Accountant Deltek Costpoint Payroll Reconciliation General Ledger

90K–120K
Partially · Washington, District of Columbia
Posted July 30, 2026
payroll

Overview

Join ISN as a Senior Accountant to own financial operations at a Washington DC based government contractor. You will maintain accurate financial records perform reconciliations and ensure compliance with government contracting requirements. This role offers a chance to grow within a collaborative inclusive culture.

What You'll Do19

  • 1Maintain and reconcile general ledger accounts
  • 2Prepare and post journal entries accurately and timely
  • 3Perform monthly quarterly and annual account reconciliations
  • 4Assist with month end and year end close processes
  • 5Research and resolve accounting discrepancies and variances
  • 6Reconcile payroll transactions between ADP payroll system and General Ledger
  • 7Review payroll registers for accuracy and completeness
  • 8Investigate and resolve payroll related discrepancies
  • 9Support payroll audits and compliance reporting
  • 10Prepare payroll accruals and related journal entries
  • 11Utilize Deltek Costpoint for accounting project setup and financial reporting
  • 12Ensure proper project cost allocation and labor charging
  • 13Reconcile labor distribution and project accounting data
  • 14Support indirect rate calculations and government contract reporting
  • 15Maintain accounting system integrity and data accuracy within Costpoint
  • 16Audit and compliance support internal and external audits
  • 17Prepare audit schedules and supporting documentation
  • 18Ensure compliance with GAAP company policies and federal contracting regulations
  • 19Assist with implementation and maintenance of internal controls

Requirements12

  • 1Bachelor's degree in Accounting Finance or related field required
  • 2CPA or CPA candidate preferred
  • 310+ years of progressive accounting experience
  • 4Minimum 3 years of Deltek Costpoint experience
  • 5Experience with ADP payroll processing and payroll reconciliations
  • 6Government contracting experience strongly preferred
  • 7Experience with DCAA compliant accounting systems preferred
  • 8Advanced knowledge of Deltek Costpoint
  • 9Strong working knowledge of ADP Workforce Now or ADP payroll platforms
  • 10Excellent understanding of General Ledger accounting
  • 11Proficiency in Microsoft Excel including Pivot Tables VLOOKUP XLOOKUP and financial reporting
  • 12Knowledge of GAAP and financial statement preparation

Salary Insight

$90 - $120k per year

Location

Typepartially
LocationWashington, District of Columbia

Required Skills

Deltek CostpointADP payrollGeneral Ledger accountingGAAPMicrosoft ExcelFinancial reportingDCAA compliance
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