Security Administrator

This posting is part of our ongoing talent pipeline. While this position may not be immediately open, we are actively gathering interest for upcoming roles and future growth

Are you an administrative professional seeking an opportunity in a new field? Are you considering a return to personnel security support or trusted workforce vetting? If you want to use your administrative experience in an environment that allows you to directly support national security, we have an opportunity for you!

Amentum is seeking security-minded individuals with attention to detail, strong communication and excellent customer service skills to join our team of security administrators providing support to personnel security vetting in a dynamic and challenging environment.

Our security administrators will provide a wide range of support functions that may include the following, depending on office assignment: customer service support, data entry, review of security clearance paperwork and relevant reports, redaction, file maintenance, filing, records management. Security administrators may perform other duties as assigned in support of personnel security processing and clearance vetting, to include review of reports and cases for completion. Security administrators should be detail orientated, able to balance multiple tasks and redirect as priorities change. Candidates should be comfortable learning to use new proprietary computers systems and spending the majority of the work day using computers to review and generate reports. Candidates should also be familiar with use of fax machines, scanners and multi-line phone systems.

All work will occur at a fixed customer location in the Washington Metropolitan Area (WMA) and work shifts will cover the program core hours of 9am-3pm Monday-Friday.

Security Administrators must have:

• Excellent writing and communication, skills and good judgment

• Demonstrated high level of personal integrity and the ability to discreetly handle sensitive, personal and classified case information

• Ability to navigate and operate automated systems for case tracking and status reporting

• Knowledge of the federal rules and regulations that govern personnel security

• Knowledge and ability to use computer operating systems/tools such as Microsoft Office Suite

• Strong time management

• Ability to provide on-the-job training to teammates

• Ability to adapt to changing work requirements and competing priorities

• Broad experience working with personnel security policies and practices

Required Qualifications:

• High School Diploma or GED

• Developmental-minimum 1 year experience in a security related discipline.

• Full Performance-3-5 years of administrative experience in a security related discipline.

• Senior-7+ years of personnel security experience.

• Must have an Active Top Secret US Government Clearance at time of application with the ability to obtain and maintain a polygraph. Note: US Citizenship is required to obtain a Top Secret Clearance.

Preferred Qualifications:

• Prior experience supporting this customer

• Bachelors degree in any discipline

#javelin

Compensation Details:

$31.25 - $40.86 hourly

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 ( .