Payroll Manager

Amentum is seeking a Payroll Manager for Las Vegas, NV.

Purpose

The Payroll Manager oversees day-to-day payroll operations to ensure departmental efficiency, accurate employee compensation, and timely regulatory reporting. This role ensures that all payroll systems and processes align with business operational requirements and compliance standards.

Responsibilities

• Oversee daily payroll department operations to ensure functional efficiency and accurate, timely employee compensation.

• Reviews or directs the review of personnel records to verify pay rates, job classifications, and status changes for new and existing employees.

• Assign duties and monitors work for accuracy, neatness, and strict adherence to company policies and procedures.

• Maintains and reconciles payroll-related ledger accounts to ensure financial integrity.

• Manages payroll system processing to ensure optimal performance and timely filing of all required reports.

• Provides guidance to the Accounting Manager and assists in responding to Corporate, Defense Contract Audit Agency (DCAA), and other external audit entities.

• Prepare accounting papers, schedules, exhibits, and summaries in accordance with company Standard Operating Procedures (SOP) and applicable laws.

• Research and advises senior management on the accounting treatment of complex transactions to ensure compliance with corporate, federal, state, and local authorities.

• Reviews and approves transactions for timely submittal to support financial activity through the payroll system.

• Prepares and reconciles payroll tax deposits, tax reports, and off-cycle payments.

• Evaluates and standardizes procedures to improve the operational efficiency of the team.

• Resolves payroll inquiries and troubleshoots errors or technical issues within the payroll systems.

• Directly supervise employees, including training, performance planning, work direction, and conflict resolution.

Minimum Knowledge & Requirements

• Bachelor’s degree in accounting (two years of related experience may substitute for each year of the four-year degree).

• Four years of experience with computerized payroll software; ADP, Costpoint, Deltek, Unions, and at least 3 years of managerial experience preferred.

• Direct experience with Deltek Costpoint and Government Accounting/Payroll processes.

• In-depth knowledge of Union and Service Contract Act (SCA) payrolls, including Wage Determination tables.

• Proven ability to interpret and apply Collective Bargaining Agreements (CBAs) in a daily operational setting.

• Proficiency in managing payroll in accordance with multi-tier CBA wage scales and fringe benefit requirements.

• Solid understanding of Federal Acquisition Regulations (FAR) and Generally Accepted Accounting Principles (GAAP).

• Strong technical knowledge of spreadsheets and relational database programs for data processing.

• Excellent communication, leadership, and problem-solving skills.

• Must be able to obtain and maintain a Secret US Government Clearance. Note: US Citizenship is required to obtain Secret Clearance. 

Work Environment

• Standard office environment.

• No travel required.

Benefits

Amentum offers the following benefits for this position, subject to applicable eligibility requirements: medical dental and vision insurance, 401(k) retirement plan, life insurance, long-term and short-term disability insurance, parental leave, and 15 days of paid time off.

Compensation Details:

$109,000 - $136,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

08/14/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.