Assistant Security Officer

Amentum; Springfield (VA); On-site; USD 68,000 - 83,000; Full time

Benefits offered by this job

Health, dental, vision insurance

Paid time off

401(k) matching

Educational reimbursement

Parental leave

Stock purchase plan

Tax-saving options

Disability & life insurance

Pet insurance

Job summary

Amentum is seeking an Assistant Security Officer (CAC/SMS) for our Springfield, VA location. The role requires administering security regulations and ensuring compliance with DoD and customer guidelines. Interactions with Contractors and Government agencies on security and clearance matters are routine.

Schedule is Monday–Friday 7:00 am–3:30 pm with occasional Tuesday evenings. Compensation includes a base salary around the stated range and a benefits package.

Qualifications

• Associates Degree in Business Administration or Security and 0-1 years DoD security-related experience.
• An extra 2 years of IC Security related experience can replace the degree.
• Must be able to acquire and maintain access to Scattered Castle, M3/SMS, C-Cure 9000, MDI/PSAMS.
• Must possess and maintain an active TS/SCI clearance.
• US citizenship is required.
• Operating application software including word processing and spreadsheets.
• Preferred Bachelor’s Degree with 2 years Security Admin related experience.
• Ability to adapt to frequent change and a fast-paced environment.
• Ability to communicate effectively both orally and in writing.
• Strong communication and interpersonal skills.

Responsibilities

• Perform CAC duties and rotate to Briefing, Clearance Passing, and Front Desk as needed.
• Coordinate with FSO to ensure DoD clearance requirements are met.
• Produce accurate reports and manage multiple daily tasks.
• Manage transport of classified documents/equipment/media.
• Operate MS Office and maintain attention to detail.
• Adhere to DoD/NGA policies and timekeeping rules.
• Perform other security-related duties as assigned.

Skills

Oral communication

Written communication

Interpersonal skills

Attention to detail

MS Office

Education

Associates Degree in Business Administration or Security

Bachelor’s Degree in Security Administration (preferred)

2 years IC Security experience in lieu of degree

Tools

DISS/JPAS

Scattered Castle

M3/SMS

DEERS/Rapids

PSAM/PSAMS

e-Travel

C-Cure 9000

MDI database

Job description

Amentum is looking for an Assistant Security Officer (CAC/SMS) at our Springfield, VA location. The selected candidate will have the ability to administer and assure compliance with security regulations and procedures to include security passing requirements in accordance with DoD and our customer's guidelines. The position requires personnel to routinely interact with Contractors and Government agencies relative to security and clearance matters.

Work Schedule: Monday Friday 7:00 am 3:30 pm, occasional Tuesday 9:30 6:00 pm

The duties include but not limited to:

• Perform CAC duties, rotate to Briefing, Clearance Passing, and Front Desk areas as needed.

• Knowledgeable with the DISS/former Joint Personnel Adjudication System (JPAS), Scattered Castle, M3/SMS, DEERS/Rapids, e-Travel, C-Cure 9000, MDI database, PeopleSoft Access Management System (PSAM).

• Coordinate with the responsible Company Facility Security Officer (FSO), to perform functions to ensure personnel DoD Clearance requirements are met and maintained.

• Strong oral and written communication skills and the ability to work assigned projects, produce accurate and knowledgeable reports while successfully performing a multitude of daily assigned duties.

• Possess and/or have working knowledge of Microsoft Office applications and have a strong attention to detail while performing daily tasks.

• Working knowledge of DoD and NGA policies governing current security procedures.
  Adhere to the WSC Rules, Guidelines and Timekeeping Policies.

• Perform all other position related duties as assigned or requested.

• Manage and process programs and documents related to the transport of classified documents, equipment and/or media.

• Perform all other security-related duties as assigned or requested.

Minimum Requirements

• Associates Degree in Business Administration or Security and 0-1 years DoD security-related experience.

• An extra 2 years of IC Security related experience will be accepted in lieu of Associates'Degree.

• Must be able to acquire and maintain access to Scattered Castle, M3/SMS, C-Cure 9000, MDI database, PeopleSoft Access Management System (PSAMS).

• Must possess and maintain an active TS/SCI clearance.

• US citizenship is required.

• Requires operating application software, including word-processing and spreadsheet programs.

• Preferred is a Bachelor’s Degree with 2 years of Security Admin related experience.

• Ability to adapt to frequent change and a fast-paced work environment.

• Ability to communicate effectively both orally and in writing.

• Strong communication and interpersonal skills. Have the ability to deal with others in a positive manner.

Compensation Details:

75,000

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:

08/19/2026 - 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.