Senior Payroll Accountant

** Senior Payroll Accountant (Remote)
**** Company Context
** Headquartered in Arlington, Virginia, TSC—operating under the FALCATA brand—is a defense technology company with more than 50 years of experience providing technical services and solutions to U.S. Government customers. The company supports mission-critical capabilities across airborne sensors and ISR, electronic warfare, precision weapons, radar, air and missile defense, space, and intelligence and information systems.  
** Position Summary
** FALCATA is currently seeking a Senior Payroll Accountant responsible for supporting accurate and compliant processing, accounting, and reporting of payroll for a workforce that may include exempt and non‐exempt employees. This position will ensure that all payroll activities adhere to federal, state, and local regulations, Defense Contract Audit Agency (DCAA) requirements, Cost Accounting Standards (CAS), and internal company policies, supporting both direct labor and indirect labor cost allocations.
** Key Responsibilities**:
*** Semimonthly Payroll Processing
**** Assist with the semi-monthly payroll cycle from timecard collection through final payroll processing and reporting.
* Process payroll using ADP and Deltek Costpoint, ensuring accurate and timely transmission of payroll information between systems.
* Review payroll inputs for completeness and accuracy prior to each payroll run.
* Validate regular hours, overtime, PTO, holiday pay, bonuses, deductions, reimbursements, and other payroll-related transactions.
* Review payroll registers and exception reports and investigate discrepancies before payroll is finalized.
* Coordinate payroll processing deadlines with HR, Accounting, managers, and employees.
* Process payroll adjustments, corrections, retroactive payments, off-cycle payments, and other special payroll transactions as needed.
* Assist with the reconciliation of payroll-related accounts and reports between ADP, Costpoint, the general ledger, and other applicable systems.
*** Timecard Review and Timekeeping
**** Administer company timekeeping and timecard procedures.
* Review employee timecards for completeness, accuracy, proper approvals, and compliance with company policies.
* Ensure employees charge time to the appropriate projects, contracts, indirect activities, cost centers, and charge codes.
* Work with managers and employees to resolve missing, incorrect, or late timecards.
* Monitor timekeeping exceptions and identify recurring issues or trends.
* Ensure timely correction of timekeeping errors before payroll processing.
* Partner with Program Finance, Accounting, and Contracts as necessary to address timekeeping issues affecting government contracts.
* Maintain clear procedures for timecard corrections, approvals, and adjustments.
* Support compliance with applicable government-contracting requirements related to labor charging and timekeeping.
*** New Employee Setup & Onboarding
**** Assist with establishing payroll records and employee information in ADP, Costpoint, and related systems.
* Ensure new employees are properly set up with the appropriate payroll, tax, organizational, cost-center, project, and timekeeping information.
* Coordinate with Human Resources to ensure employee data is complete and accurate before the employee's first payroll.
* Support onboarding activities related to payroll, timekeeping, direct deposit, tax withholding, deductions, and payroll policies.
* Maintain, and deliver timekeeping training materials and sessions for new hires, ensuring employees understand timesheet submission requirements, labor-charging procedures, deadlines, and applicable company, DCAA, and government-contract compliance requirements.
* Provide new employees with guidance regarding…