Personnel Security Specialist I Adjudicator

Amentum; Springfield (VA); On-site; USD 32,000 - 43,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Personnel Security Specialist (PSS) to support DHS FPS PSD. The role involves initiating background investigations, handling security documents, fingerprinting, and ensuring proper classification of cases.

Strong organizational and communication skills are essential. The position requires at least three years of relevant security experience, the ability to obtain a US Public Trust clearance, and proficiency with MS Office.

Qualifications

• Minimum of three (3) years of relevant security or intelligence experience.
• Must be able to obtain and maintain a US government Public Trust security clearance (US citizenship required).
• Proficiency with Microsoft Office applications (Word, Access, Excel, PowerPoint).
• Familiarity with ISMS, eQIP, CVS, and/or DISS preferred but not required.

Responsibilities

• Initiates background investigations and manages receipt of security documents.
• Conducts fingerprinting procedures and verifies levels of background investigation.
• Prepares, submits, monitors, and updates tracking systems for case material.
• Applies incident management and problem-solving to security processes.
• Participates in special projects and other duties as needed.

Skills

Organizational skills

Oral and written communication

MS Word

MS Excel

MS PowerPoint

MS Access

ISMS

eQIP

CVS

DISS

Education

High School Diploma or equivalent

Job description

Company Overview

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)

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

Duties

• 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.
• 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; walk; sit; use hands and fingers to handle, or feel objects, tools or controls; use fingers and hands to type or write; reach with hands and arms; talk or hear; taste or smell. Specific vision abilities required by the job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

Compensation Details

$27.40

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

• 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

09/04/2026 - 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.

Equal Opportunity Employer Statement

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.