Your Impact:
Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking an Information Systems Security Officer (ISSO) Senior to join our team of passionate individuals in Ft Meade, MD. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission.
Join a team of security experts who are dedicated to protecting and securing our customers' systems at both the enterprise and program level. Our specialists work closely with others in the RMF process to ensure the highest level of security for every system. As the ISSO Sr, you will serve on a team that is responsible for the Authorization and Assessment process under the Risk Management Framework (RMF) for new and existing information systems and will be expected to maintain Authority to Operate compliance for all assigned systems.
The work environment is fast-paced and sometimes involves deadline pressures. The nature of the work requires a high degree of teamwork and cooperation with other members of the staff as well as individuals across the Company and Customers. Our program includes easily available process information and support from others with similar positions across the team.
Responsibilities:
• Maintain the appropriate operational security posture for assigned systems, programs, and/or enclaves.
• Provide guidance and technical expertise on all matters that impact or affect the security of the information system.
• Assist in the development and execution of an enterprise level continuous monitoring program to minimize security risks and ensure compliance with that program on a routine basis.
• Developing, updating, and submitting the System Security Plan and other required documentation that make up the Security Authorization Package.
• Conduct configuration management for security-relevant changes to software, hardware, and firmware.
• Perform and deliver security impact analysis of changes to the system or its environment of operation.
• Assess the effectiveness of system security controls on an ongoing basis to determine system security status.
• Maintain and enforce IT security policies and implementation guidelines for customer systems in diverse operational environments.
• Provides configuration management for security-relevant information system software, hardware, and firmware.
Requirements:
• Twelve (12) years of related work experience in the field of security authorization.
• A Bachelor’s degree in Computer Science, Information Technology Engineering, or a related field may be substituted for four (4) years’ experience.
• DoD 8570.1 compliant IAM Level III certification, such as the GSLC, CISM, CISSP (or associate) certification.
• US Citizen with an active TS/SCI and a current polygraph.
• A working knowledge of the security authorization processes and procedures as defined in the RMF in NIST SP800-37 and familiarity with the ICD503, CNSSI1253, SP800-53, etc.
• Knowledge of commercial security tools and their uses.
• Experience with hardware/software security implementations.
• Knowledge of different communication protocols, encryption techniques/tools, and PKI and authorization services.
• Familiarity with security incident management, experience collaborating with Incident Response Teams, and able to provide viable recommendations for the resolution or computer security incidents and vulnerability compliance.
• Experience creating and presenting documentation and management reports.
Clearance Required:
• TS/SCI with Poly
Minimum Education:
• A Bachelor’s degree in Computer Science, Information Technology Engineering, or a related field may be substituted for four (4) years’ experience.
• DoD 8570.1 compliant IAM Level III certification, such as the GSLC, CAP, CASP, CISM and/or CISSP will be accepted.
Minimum Years of Experience:
• Twelve (12) years of related work experience in the field of security authorization.
Preferred:
• Should have experience working with the XACTA IA Manager.
• Should be highly analytical and effectively able to troubleshoot and prioritize needs, requirements, and other issues.
• Should be committed to continuous learning and system development because of the constant developing nature of cyber-attacks.
• Should have the ability to quickly learn new concepts, data formats, and software.
• Should be a self-motivated, independent, detail oriented, responsible team player, and exhibit exceptional relationship management skills.
#javelin #externalreferral
Pay Transparency Verbiage
Amentum’s health and welfare benefits are designed to invest in you and in the things you care about. Your health. Your well-being. Your security. Your future. Eligible employees and their dependents may elect medical, dental, vision, and basic life insurance. Employees are able to enroll in our company’s 401k plan, and, if eligible, a deferred compensation plan and Executive Deferral Plan. Employees will also receive 17 days of vacation per year, eight paid holidays, plus floating days. Hired applicants will be able to purchase company stock and have the opportunity to receive a performance discretionary bonus.
The base salary range for this position is $180K to $205K. This range reflects the minimum and maximum target for new hire salaries for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.
US EEO Statement
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, gender identity, marital status, family structure, medical condition including genetic characteristics or information, veteran 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 EEO laws and supplemental language at
EEO including Disability/Protected Veterans and
Labor Laws Posters.
Compensation Details:
$190000-200000
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:
01/08/2026 - 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.
