Amentum · 1 day ago
Information System Security Officer (ISSO) Senior
Amentum is seeking an Information Systems Security Officer (ISSO) Senior to join their team of passionate individuals. In this role, you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission, ensuring the highest level of security for every system.
Mechanical EngineeringSecurityTechnical Support
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
Qualification
Required
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
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
Benefits
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
Company
Amentum
Amentum is a technology and engineering company for security, defense, and energy.
Funding
Current Stage
Public CompanyTotal Funding
$321.16M2025-03-12Post Ipo Secondary· $321.16M
2024-09-27IPO
2020-01-01Private Equity
Recent News
2025-12-29
Washington Technology
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2025-12-09
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