Purpose and Impact:
Amentum is seeking an Information Systems Security Officer (ISSO) 3 for a prime contract that is based out of our Hanover, MD office.
Essential Responsibilities:
Provide support for a program, organization, system, or enclave's information assurance program.
Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
Maintain operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
Assist with the management of security aspects of the information system and perform day-to-day security operations of the system.
Evaluate security solutions to ensure they meet security requirements for processing classified information.
Perform vulnerability/risk assessment analysis to support security authorization.
Provide configuration management (CM) for information systems security software, hardware, and firmware.
Manage changes to system and assess the security impact of those changes.
Prepare and review documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
Support security authorization activities in compliance with National Institute of Standards and Technology Risk Management Framework (NIST RMF).
Minimum Requirements (Knowledge, Skills, and Abilities):
Provide support to senior ISSOs for implementing, and enforcing information systems security policies, standards, and methodologies
Assist with preparation and maintenance of documentation
Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information
Assist with Configuration Management (CM) for information system security software, hardware, and firmware
Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades
Propose, coordinate, and implement information systems security policies, standards, and methodologies
Develop and maintain documentation for Security Authorization in accordance with ODNI and DoD policies
Provide CM for security-relevant information system software, hardware, and firmware
Ensure compliance with system security policy
Evaluate security solutions to ensure they meet security requirements for processing classified information
Maintain operational security posture for an information system or program
Provide support to the information System Security Manager (ISSM) for maintaining the appropriate operational Cybersecurity posture for a system, program, or enclave
Develop and update the system security plan and other Cybersecurity documentation
Assist with the management of security aspects of the information system and perform day-to day security operations of the system
Track and ensure appropriate user identification and authentication mechanism of the information System (IS)
Obtain system authorization for ISs under their purview
Provide support for a program, organization, system, or enclave's information assurance program
Plan and coordinate implementation of IT security programs and policies
Manage and control changes to the system assessing the security impact of those changes
Provide daily oversight and direction to contractor ISSOs
Interact with customers, IT staff, and high-level corporate officers to define and achieve required Cybersecurity objectives
Clearance Required: TS/SCI Poly
Minimum Education:
Bachelor's degree in Computer Science, Cyber Security, IT Engineering or related field is required.
In lieu of a Bachelor's degree, four (4) additional years of work-related experience may be substituted for a total of fourteen (14) years.
Minimum Years of Experience:
Ten (10) years of combined work-related experience in the fields of IT, cybersecurity or security authorization is required.
Bachelor's degree in Computer Science, Cyber Security, IT Engineering or related field is required.
In lieu of a Bachelor's degree, four (4) additional years of work-related experience may be substituted for a total of fourteen (14) years.
Experience in several of the following areas is required: knowledge of current security tools, hardware/software security implementation; communication protocols; or encryption tools and techniques.
Familiarity with commercial security products, security authorization techniques, security incident management, and PKI and authorization services.
Required Certifications:
Compliance with DoD 8570.01-M with a minimum certification of IAM Level I is required.
Compensation Details:
$185,000-$210,000
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:
02/05/2026 - Until FilledAmentum 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.
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