Personnel Security Specialist

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11 Locations
In-Office
33-35 Hourly
Junior
Security • Cybersecurity
The Role
Processes personnel security actions for government clearances, reinvestigations, suitability investigations, SCI and SAP packages, CACs, fingerprints, visit requests, and clearance checks. Maintains records in DISS, NBIS, and internal databases; reviews SF86 and related forms for accuracy; coordinates with security officers and government agencies; assists applicants and employees with security paperwork; and safeguards sensitive personal information.
Summary Generated by Built In

Position Title: Personnel Security Specialist

Relocation Assistance: N/A

Remote/Telework: Yes - Available for this position

Clearance Type: U.S. Government Security Clearance - Secret

Shift: Day shift

Hourly Pay Range: 33.00 - 34.57


We have an exciting opportunity for a Personnel Security Specialist within our Personnel Security (PERSEC) Team.  The PERSEC teams conduct personnel security processing actions enterprise wide.  The PERSEC teams work in concert with Contract Security Officers (CSOs) and Facility Security Officers (FSOs), who together work with our government clients, employees and candidates to obtain or maintain government clearances, classified space and system access as well as provide other essential security services for the Amentum business areas.  As a PERSEC Specialist, you will work independently and interdependently within the PERSEC Teams to initiate clearance actions, periodic reinvestigations, crossovers; conducting clearance checks, review and process Security Pre-Screen checks, Visit Authorization Requests, CAC’s, fingerprint processing, answering questions received from applicants, employees, customers, and other duties as assigned.


Roles and Responsibilities:

  • Initiate security background investigations and processing for different security clearance types/levels (T3, T3R; T5, T5Rs) utilizing DISS, NBIS, and using the Fillable SF86 version for certain Agencies
  • Initiate processing actions for positions requiring Suitability requirements (National Agency Check (NAC), Tier 1; Background Investigation (BI), Moderate Risk Background Investigation (MBI), High Risk Background Investigation, Moderate Risk Positions of Trust (MRPTs), Position of Public Trust.  Process Common Access Cards, Homeland Security Presidential Directive-12 (HSPD-12)
  • Work closely with FSO’s/CSO’s and other Security Representatives 
  • Coordinate with OPM regarding personnel investigations for completion of clearance processing
  • Conduct quality control review of investigation packages (Questionnaire for National Security Positions SF86, 85, 85P’s, etc.) to ensure they are complete and accurate prior to submittal
  • Assist employees/candidates with security paperwork
  • Process and submit SF4311 for clearance actions
  • Submit CSR’s, request reciprocity within DISS 
  • Initiate, process and submit Sensitive Compartmented Information (SCI) Packages and Special Access Program (SAP) Packages
  • Process fingerprints through Secure Web Fingerprint Transmission (SWFT) as applicable and or our third party vendor
  • Track and Maintain clearances in DISS and NBIS (until transition is complete)
  • Create and maintain records in the Amentum Security Database of Record (Gateway) 
  • Conduct clearance checks utilizing DISS
  • Review Security Pre-Screen Forms as applicable
  • Familiarity with PART 147 – Adjudicative Guidelines for Determining Eligibility for Access to Classified Information under TITLE 32 - National Defense. Subtitle A - Department of Defense
  • Process outgoing visit requests and certifications
  • Other duties as assigned 

 

Minimum Requirements: 

  • Active U.S. Government Secret Security Clearance. Note: US Citizenship is a requirement to maintain a Secret Security Clearance.
  • Familiarity in the use of DISS and NBIS
  • High School Degree or GED and 2+ years of Personnel Security or Security experience

Required Skills:

  • Knowledge of NISPOM / 32 CFR Part 117
  • Experience processing SF86’s (via e-APP and the fillable versions 2008 and 2016)
  • Proficiency with software applications such as MS Office, Outlook and Adobe Pro
  • Excellent interpersonal skills be a self-starter and possess the ability to work independently in a fast-paced team environment with a “no fail” mentality
  • Strong commitment to excellence and continuous improvement
  • Ability to effectively manage individual workflow
  • Communicate effectively both orally and in writing
  • Ability to interact positively with all individuals either in-person, over the phone or via teleconferencing applications.
  • Ability to use discretion when handling sensitive personal information

       

Compensation Details:

$33.00 - $34.57 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:

10/07/2026 - 10/12/2026

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.

Skills Required

  • Active U.S. Government Secret Security Clearance
  • U.S. citizenship required to maintain a Secret Security Clearance
  • High school diploma or GED
  • At least 2 years of personnel security or security experience
  • Familiarity with DISS and NBIS
  • Knowledge of NISPOM and 32 CFR Part 117
  • Experience processing SF86 forms through e-APP and fillable 2008 and 2016 versions
  • Proficiency with Microsoft Office, Outlook, and Adobe Pro
  • Strong interpersonal, written, and verbal communication skills
  • Ability to work independently and manage workflow in a fast-paced team environment
  • Ability to handle sensitive personal information discreetly

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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