Job Description

• This position serves as a clerical expert independently processing the most complicated types of personnel actions, e.g., temporary employment, rehires, and dismissals.
• May perform tasks beyond routine clerical such as responding to routine questions on policy and procedures, and/or provide reports on employee turnover or time and attendance.
• Assistant may be asked to evaluate and consolidate information from various sources under short deadlines, such as internal or external survey information.
• May provide guidance to lower level Personnel Assistants.
• General duties: Assist with data entry & review of standard forms in HR systems; ensure actions are properly documented, coded, and routed
• Reporting & Data Management: Generate, review, and reconcile HR reports related to staffing, payroll, and performance management; assist with data calls and quarterly audits.
• Records & Document Management: Maintain electronic Official Personnel Folders (eOPFS) and HR shared drives; ensure compliance with record keeping and confidentiality requirements.
• Administrative Support: Track incoming/outgoing HR actions, scheduling meetings, prepare correspondence, and maintain tracking logs for recruiters, awards, and performance plans
• Customer Service Support: Respond to employee and supervisor inquiries related to administrative HR matters, routing more complex inquiries to HR Specialist

Required & Preferred Qualifications:

• Must be able to obtain and maintain a US government clearance (Public Trust)
• Requires extensive knowledge of various office software packages.
• Familiarity with Microsoft Office Products and Human Resources database systems.
• Ability to perform detailed work consistently, accurately, and under pressure extremely important.
• Must have typing/keyboarding skills (65 wpm).
• Excellent oral and written communication skills required.
• Must be able to obtain and maintain MRPT facility credentials/authorization. Note: US Citizenship is required for MRPT facility credentials/authorization at this work location
• Remote position

Employees will earn H&W dollars per eligible hour (including vacation and holiday up to 40 hours/week). H&W monies are used to offset the employer’s cost of benefits the employee elects into and/or utilizes. Any remaining health and welfare monies after all applicable deductions would be cashed out to the employee on a 1 pay period lag.

Service Contract Act (SCA) Compensation & Benefits:

This is an hourly, overtime-eligible position that falls under the Service Contract Act (SCA). In accordance with the Health and Welfare provisions of the SCA, and in addition to your base hourly rate, you may be eligible to receive an additional health and welfare payment for each hour you work to ensure compliance with the minimums set forth by the act. The amount you are entitled to receive will vary depending upon the fringe benefits you select now and in the future.

Compensation Details:

$25.58

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:

06/30/2026 - 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