HR Assistant - Payroll and Leave

Leidos; Washington (District of Columbia); On-site; USD 42,000 - 75,000; Full time

Job summary

Leidos seeks a Human Resource Assistant with federal payroll and leave experience to support the FAA's AHR Pay and Leave operations in Washington, DC. The role handles personnel actions, payroll deductions, and benefits, coordinating with the DOI Payroll Operations Division and union contracts.

You will process pay actions, review time and leave data, and assist with ensuring accurate payroll before final calculations.

Qualifications

• Experience with federal payroll, leave types, and audits.
• Familiarity with union contracts and bargaining agreements.
• Clerical procedures and records maintenance.
• Experience in a federal agency environment is preferred.

Responsibilities

• Process a broad range of personnel actions including accessions, separations, pay changes, and benefits forms.
• Input and process payroll actions and deductions via data systems, coordinating with FAA/DOI payroll ops.
• Review and act on BUS reports related to employee bargaining unit enrollment changes.
• Notify timekeepers and resolve pay coding issues before final pay calculations.
• Support pay actions across multiple pay systems and advise on settlements affecting leave and T&A.

Skills

Federal payroll experience

Leave types & audits

Union contracts understanding

Clerical procedures

Timekeeping coordination

Education

High school diploma or GED

Associate degree (preferred)

Job description

The NISC IV program at Leidos has an opening for a Human Resource Assistant with prior federal agency experience specifically payroll, different federal leave types, and union contracts. The selected resource will provide support to the FAA's AHR organization specifically the Pay and Leave branch. The selected resource will perform basic, routine tasks and will utilize automated tools and software in the performance of duties/responsibilities. Work will be performed under close direction of a manager, team leader, or more experienced staff.

Specific duties for the position include:

• Process a broad range of personnel actions to include accessions; separations; position and pay changes; service/pay computation dates; and retirement, health insurance, life insurance, and other benefit forms
• Serve as liaison between FAA and the DOI Payroll Operations Division, utilizing a personnel and payroll actions data system to input and process a variety of actions including changes to employee benefits, work schedules, union dues initiation/revocation, Voluntary Leave Transfer Program (VLTP) balances, Thrift Savings Plan deductions, and other voluntary payroll deductions, VLB, Settlements, agreements that pertain to leave and T&A.
• Working the BUS reports on pay calculate (Wednesday) and the post calculate (Thursday). This task entails the review of the BUS reports for an employee's enrollment into or out of the bargaining unit in a timely manner.
• Supports the Wednesday process to ensure notification of timekeepers to advise on coding issues and remedial actions to resolve pay errors or problems identified by DOI or employees prior to final pay calculations.
• Handles and resolves issues relative to a wide range of pay and non-pay actions covering several pay systems to include General Schedule, Federal Wage System, Core Compensation and Air Traffic Pay Plan.
• Advises HRSDs, LR, and regional counsels during development and implementation of third-party settlements and agreements ensuring actions are processes IAW agreements and assists with affecting back pays
• Monitoring and working the PLS folders -for each of the regions serviced by OKC on the shared drive.
• Monitoring and reviewing the Change of Station emails sent to the shared email address.
• Complete tax emails that are sent to the PLS general email address
• Review and complete BUS emails on the 9-AHR-PLS-Dues-Withholding email address.
• Work independently as well as with other team members to accurately complete all assignments in accordance with established deadlines
• Frequently refers problems and work issues to the manager and/or team leads when guidance is not available or applicable
• Foster a collaborative environment by effectively communicating and interacting with fellow team members and stakeholders
• Maintain an overall working knowledge and the ability to perform each function within his/her area

Minimum Qualifications

• High school diploma or GED equivalent.
• 2 - 3 years of relevant experience
• Understanding of union contracts
• Experience with federal payroll, types of federal leave, and leave audits
• Knowledge of clerical procedures used to perform the work.
• Federal agency experience

Preferred Qualifications

• Associate degree is highly desirable

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

October 7, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $41,600.00 - $75,200.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.