Personnel Security Specialist I Adjudicator

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

The Personnel Security Specialist (PSS) completes personnel security suitability intake tasks in support of DHS Federal Protective Services (FPS), Personnel Security Division (PSD).

Duties may include, but are not limited to

• Initiates background investigations.
• Manages receipt of security documents submitted from contractor applicants.
• Conducts fingerprinting procedures.
• Verifies the appropriate level of background investigation being requested, and ensures all documents required for suitability processing have been completed and included in the individual files.
• Prepares, submits, monitors, and updates computer tracking systems concerning appropriate case material.
• Applies incident management, problem solving, and task performance.
• Participates in special projects.
• Additional duties as needed.

Minimum Experience & Education

• High School Diploma or equivalent required.
• Minimum of three (3) years of relevant experience in Personnel Security and Adjudication.
• Relevant experience shall include experience within one or more of the standard securities and/or intelligence fields e.g., technical, physical, information, industrial, personnel and operational security.
• Subject matter expertise and hands-on experience in one or more security and/or intelligence discipline and experience implementing complex government security and/or intelligence programs and policies is preferable.
• Must be highly organized and have excellent oral and written communication skills.
• Shall demonstrate a proficiency in various types of information technology applications, such as Microsoft Office, including MS Word, Access, Excel, and PowerPoint.
• Familiarity with ISMS, eQIP, CVS, and/or DISS is preferred, but not required.
• Must be able to obtain and maintain a US government Public Trust security clearance. Note: US Citizenship is required to maintain a Public Trust Clearance.

Work Environment

• This position is performed in a traditional office environment.

Physical Demands

• While performing the duties of this job, the employee is occasionally required to stand and/or walk; handle or feel objects; and write. Ability to bend, reach, lift, and carry up to 15 pounds

Compensation Details

$27.00 - $28.00

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

10/26/2026 - 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 .