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PT Payroll Specialist
Job in
Leesburg, Loudoun County, Virginia, 22075, USA
Listed on 2026-09-04
Listing for:
customsoftwaresystems
Part Time
position Listed on 2026-09-04
Job specializations:
-
Accounting
Payroll
Job Description & How to Apply Below
Custom Software Systems Inc. is seeking an experienced Part-Time ADP Payroll Specialist to support our growing organization. The ideal candidate has hands-on experience administering payroll in ADP and understands the practical requirements of expanding payroll operations into new states.
This is a hands-on role for someone who can independently manage payroll activities, troubleshoot issues, and ensure employees are paid accurately and on time. The right candidate will reside in a HUBZone.
Please confirm on the HUBZone map before applying: (Use the "Apply for this Job" box below).-zoom=4
Responsibilities- Process and administer payroll using ADP.
- Maintain employee payroll records, deductions, tax elections, and other payroll information.
- Process new hires, terminations, compensation changes, bonuses, and other payroll adjustments.
- Set up payroll in a new state, including researching and coordinating applicable state payroll tax, withholding, unemployment, and employer registration requirements.
- Coordinate with ADP to establish new-state payroll and tax accounts and ensure the state is properly configured in the payroll system.
- Ensure accurate state and local tax withholding and reporting.
- Review payroll reports and reconcile payroll data to identify and correct discrepancies.
- Support federal, state, and local payroll tax filings and compliance.
- Manage multi-state payroll requirements as the company expands.
- Respond to employee questions regarding payroll, deductions, taxes, and pay statements.
- Support year-end payroll activities, including W-2 preparation and reconciliation.
- Maintain accurate payroll documentation and support internal and external audits.
- Maintain confidentiality of employee compensation and personal information.
- Coordinate with HR, accounting, and management on payroll-related matters.
- Identify opportunities to improve payroll processes and controls.
- US Citizenship
- Demonstrated hands-on ADP payroll experience.
- Experience processing payroll from start to finish.
- Experience with multi-state payroll.
- Experience adding or implementing payroll in a new state, including state registration, tax setup, withholding, and payroll-system configuration.
- Strong understanding of federal and state payroll requirements.
- Strong Excel skills and attention to detail.
- Ability to work independently and manage confidential information.
- Excellent organizational and problem-solving skills.
- Experience with ADP Workforce Now.
- Experience supporting a small or growing government contractor.
- Experience establishing payroll in multiple states.
- FPC or CPP certification.
- HRIS/payroll implementation experience.
- Wage Range: $18-28
-Negotiable - General Benefits:
Custom Software Systems, Inc. offers our employees a competitive benefits package that may include:
- Health insurance plans
- Health Savings Account (HSA)
- Dental
- Vision
- Long-term disability
- Short-term disability
- Basic term life insurance
- Supplemental term life insurance for employees, spouses, and dependents
- Simple IRA
- Parking/Commuting expense reimbursement
- Training/Education
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