Senior Payroll Accountant

General information

Requisition # R66850 Locations USA-VA-Herndon Posting Date 04/03/2026 Security Clearance Required None Remote Type Hybrid Time Type Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Payroll Accountant to join our team in Herndon VA. This is a hybrid position requiring to be on site 1-4 days a month.

The Senior Payroll Accountant will leverage their strong technical background and knowledge to ensure the accurate and timely processing of payroll within a dynamic government contracting environment. You will handle complex payroll tasks, provide guidance on regulations, and ensure strict compliance with all applicable laws including prevailing wage requirements and multi-state taxation.

Responsibilities include but are not limited to:

• Serve as the primary contact for payroll inquiries, providing expert guidance on policies, timekeeping, and leave.
• Process terminations and off-cycle checks accurately, ensuring final pay calculations strictly adhere to state regulations.
• Maintain employee data integrity and manage complex payroll inputs, including garnishments, levies, and tax reciprocity rules.
• Support labor distribution and payroll reconciliation to ensure precise cost allocation and financial accuracy.
• Manage payroll ticketing systems to resolve discrepancies and inquiries promptly while maintaining high customer satisfaction.
• Lead the development of payroll documentation and implement process improvements to enhance system efficiency and compliance.
• Assist in testing new payroll technologies and provide comprehensive training to employees and junior staff.

Minimum Qualifications:

• Bachelor's degree in accounting, finance, or a related field preferred with 5+ years of progressively responsible experience in payroll within a government contracting environment.
• Significant experience with multi-state payroll processing and tax compliance.
• Proficiency in payroll software and timekeeping systems, Deltek Costpoint and/or Workday a must.
• Advanced proficiency in Microsoft Excel, Word, and Adobe Acrobat.
• Ability to manage payrolls for > 1500 employees
• Strong analytical, problem-solving, and organizational skills.
• Self-Starter with excellent communication and interpersonal skills to resolve complex timekeeping discrepancies.

Preferred Qualifications:

• Certified Payroll Professional (CPP) certif