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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at If you need a reasonable accommodation for any part of the employment process, please contact us by email at View email address on click.appcast.io and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to View email address on click.appcast.io EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. 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