Security Administrator

Amentum; Chantilly (VA); On-site; USD 43,000 - 60,000; 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 in Chantilly, VA is seeking a Security Administrator to support a government customer in a dynamic environment with a strong emphasis on handling sensitive information and rigorous administrative duties.

You will manage intake of clearance paperwork, perform data entry into the customer system of record, initiate cases, review paperwork for completion, and coordinate verification tasks and records management while maintaining confidentiality and compliance.

Qualifications

• Demonstrated integrity and ability to discreetly handle sensitive, personal and classified information.
• Ability to operate automated systems for case tracking and reporting.
• Understanding of federal rules and regulations in the clearance process.
• Proficient in Microsoft Office Suite and data entry tasks.
• Ability to manage multiple tasks to meet deadlines.
• Experience training new team members and colleagues.

Responsibilities

• Intake/distribution of clearance paperwork and data entry into customer systems.
• Case/task initiation and paperwork review for completion and content.
• Clearance repository or other database checks and verification tasks.
• Liaison/reciprocity tasks and document review including redaction.
• Records management and other security administration duties as assigned.
• Provide on-the-job training to team members.

Skills

Integrity

Discretion

Case tracking

Data entry

Security systems

Multitasking

Education

HS Diploma or equivalent

Tools

Microsoft Office

Job description

Purpose and Impact

A security administrator full performance will provide personnel security support to a government customer in a dynamic and challenging environment.

Work Schedule

5 days, 8 hrs/day; hours must fall within 5:30am-6pm M-F

Essential Responsibilities

Security administrators will be assigned to a primary task team to include not limited to intake/distribution of clearance paperwork; data entry into customer system of record; case/task initiation; paperwork review for completion and content; clearance repository or other database checks; clearance verification tasks; liaison/reciprocity tasks; document review and redaction; records management and other security administration tasks as assigned.

Work Environment, Physical Demands, and Mental Demands

Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, constant mental alertness, must possess planning/organizing skills, and must be able to work under deadlines.

Minimum Requirements (Knowledge, Skills, and Abilities)

• Demonstrated high level of personal integrity and ability to discreetly handle sensitive, personal and classified case information
• Ability to operate various corporate and customer specific automated systems for case tracking and status reporting
• Understanding of the federal rules and regulations that encompasses the clearance process
• Knowledge and ability to use computer operating systems/tools such as Microsoft Office Suite
• Ability to manage and prioritize multiple task assignments to meet deadlines
• Demonstrated ability to provide on-the-job training to new team members and colleagues
• Ability to provide a diverse range of administrative support functions such as maintaining records, updating records and data entry, redacting information, and protecting personal identifiable information
• Identify complex problems and reviewing related information to develop and evaluate options and implement solutions.
• Use logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems

Security Clearance Required

Must possess TS/SCI clearance with polygraph at time of application

Minimum Education

HS Diploma or equivalent

Minimum Years of Experience

1 year entry level, 5 yrs full performance, 7 yrs senior

Preferred Qualifications

3-5 years of relevant experience with a High School Diploma or equivalent

This position is not designated as a safety sensitive position.

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.

Other Responsibilities

Safety

Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality

Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance

Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

#javelin

Compensation Details

$31.25 - $43.27/hour

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

10/29/2026 - 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.