Information Security Specialist

INFOSEC Specialist/ISSM

Amentum provides a range of Department of Defense, Intelligence Community, and Commercial analytic and operational support, risk analysis, analytic outreach, red teaming, and event support services. We pride ourselves in developing creative, customized, and flexible approaches that meet our clients’ evolving and dynamic needs.

Amentum is currently seeking a Cyber and Information Security Specialist (INFOSEC). The INFOSEC Specialist performs IT project risk assessments for various projects on government sponsored computer networks. The successful candidate will provide expertise to develop best practices for information security policy, standards, guidelines, and procedures.

Core responsibilities of the position include:

· Review and analyze systems architecture diagrams and networks.

· Support Assessment and Authorization (A&A) requirements and process and apply ICD 503, NISPOM, and other federal guidelines in support of systems used at contractor facilities.

· Assist program systems owners and/or service providers throughout the risk management framework (RMF), including the assessment and authorization (A&A) processes, as follows:

· Produce an annual A&A report of trends, challenges, and risk with recommended mitigation and process improvements.

· Provide oversight and guidance to ensure compliance with program information security regulations and policies on processes and request, such as Data Transfer Request; Access Request; Service/Change Request; Purchase Request; Accountable Property Management; Waivers, including medical devises and introduction (use) of equipment /devises into SCIF; and Equipment Transport. Produce a Weekly Activity Report.

· Facilitate development, maintenance, and security review of AIS security plans for computers, networks, and information systems deployed and used at contractor facilities, ensuring that sponsor and program approving signatures are acquired and documented.

· Conduct technical exchange meetings to facilitate AIS security solutions for both industrial contractors and government systems; and produce comprehensive solutions to technically complex systems and challenges.

· Ensure documentation is complete and accurate in accordance with sponsor and program AIS policies and requirements.

· As necessary, support the investigation of virus/malware alerts/incidents to determine root cause, entry point of code, damage risk, and report this information.

· Write reports based on technical analysis of sponsor or industrial partners systems, and as applicable provide recommendations for mitigating issues in the future.

· Analysis systems, including forensically, for malware, misuse, and/or unauthorized activity.

· Ensure discovered cyber incidents and data spills are reported per program SOP; support investigations and remediation/clean up as necessary and provide guidance in coordination with program security management and other groups as appropriate.

· Provide information security training and refine, edit, and maintain training material, as necessary to ensure it is up to date with current policies, regulations, and best practices.

· Participate in project review meetings and provide technical cyber security advise/expertise to program personnel.

· Advise on technical and performance characteristics of new technologies, as relates to sponsor policies and regulations.

· Review complex sponsor and industrial partners system designs for security risk and compliance with sponsor policy and regulations; propose resolution and preventive strategies.

· Communicate complex technical concepts, project information, and security policy clearly and concisely to both technical and non-technical audiences.

· Provide briefings and/or training on sponsor’s INFOSEC policies and regulations.

· Provide a quarterly Security Control Status Report (SCSR) that identifies security risk and trends through the ranking of the 77 Control Families.

Required experience:

· 8-10 years’ experience performing full range of information security functions.

· Bachelor's degree in IT Experience with audits, risk management, or internal controls on government systems.

· Working knowledge of the NISPOM, DCIDS, ICDs, and Executive Orders, to ensure security compliance preferred.

· Understanding or experience with cloud security.

· Demonstrated ability to work independently with minimal guidance and in small dynamic teams often under time-constraints.

· US government issued Top Secret security clearance with polygraph required at time of application.

Compensation Details:

190000-250,000

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:

11/03/2026 - 12/28/2026

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.