Senior Payroll Specialist - Chantilly, VA

Senior Payroll Specialist

Addison Group is seeking an experienced Senior Payroll Specialist to join a growing accounting and payroll team in Northern Virginia. This position will be responsible for managing full-cycle payroll operations in a fast-paced environment while ensuring compliance, accuracy, and excellent internal customer service. The ideal candidate will have strong payroll expertise, advanced systems knowledge, and the ability to work collaboratively across departments.

Key Responsibilities:

• Process weekly, bi-weekly, and semi-monthly payrolls accurately and on schedule
• Manage payroll administration including timesheet imports, payroll deductions, garnishments, direct deposits, and employee payroll records
• Review payroll reports, identify discrepancies, and process adjustments as needed
• Maintain payroll-related general ledger accounts, journal entries, and reconciliations
• Support payroll tax reporting, compliance activities, and audit preparation
• Process and reconcile 401(k) contributions and payroll-related deductions
• Administer payroll and time collection systems while supporting employee payroll inquiries
• Prepare payroll-related reports and Excel analysis for leadership and operational teams
• Coordinate with HR and cross-functional departments to ensure accurate employee records and payroll processing
• Assist with state payroll tax account setup and payroll compliance activities
• Maintain organized payroll documentation and ensure confidentiality of sensitive information
• Support process improvement initiatives and additional accounting/payroll projects as needed

Qualifications:

• 5+ years of full-cycle payroll experience required
• 5+ years of Deltek Costpoint payroll experience required
• Experience in a government contracting environment strongly preferred
• Bachelor's degree in Accounting, Finance, or related field required
• Strong understanding of payroll regulations, accounting principles, and payroll compliance requirements
• Advanced Microsoft Excel skills and experience with payroll/accounting systems
• Experience with payroll platforms such as ADP, iSolved, Paycom, or similar systems preferred
• Strong communication, analytical, and problem-solving skills
• Ability to prioritize effectively in a fast-paced environment
• High attention to detail and ability to maintain confidentiality
• International payroll experience is a plus

Additional Information:

• Fully onsite position in Chantilly, VA
• Interview process includes one virtual interview followed by one onsite interview
• Position is part of a growing accounting and payroll team supporting organizational expansion

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.