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Information Systems Security Officer; ISSO Intermediate Poly

Job in Corridor North, Howard County, Maryland, USA
Listing for: Amentum
Full Time position
Listed on 2026-01-05
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: Information Systems Security Officer (ISSO) Intermediate with Poly
Location: Corridor North

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) Intermediate (Int) to join our team of passionate individuals in Annapolis Junction, MD
. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation’s security and intelligence mission.

As the ISSO Int, 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 effect 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 analyses 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:
  • Ten (10) 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 I certification, such as the CompTIA Security+ certification. A higher-level certification, such as GSLC, CAP, CASP, CISM and/or CISSP will also be accepted.
  • 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 ICD
    503, CNSSI
    1253, 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 of computer security incidents and vulnerability compliance.
  • Experience creating and presenting documentation and management reports.
  • Attendance is always critical. Must be able to work a 40-hour workweek, normally Monday through Friday. However, times and days may vary depending on business requirements. Needs to be available to work overtime during critical peaks and be available to meet last minute requests for overtime should the situation occur.
  • Must be able to communicate effectively both verbally and in writing.
  • Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation.
  • Must be able to interface with individuals at all levels of the organization both verbally and in writing.
  • Must be well-organized with the ability to coordinate and prioritize multiple tasks simultaneously.
Clearance Required:
  • TS/SCI with Poly
Minimum Education:
  • A Bachelor’s Degree in Computer Science or IT Engineering or related field may be substituted for four (4) years of experience.
Minimum Years of

Experience:
  • Ten (10) years of related work experience in the field of security authorization or six (6) with applicable BS degree.
Required

Certifications:
  • DoD 8570.1 compliant IAM Level I certification, such as the CompTIA Security+ certification.
  • A higher-level certification, such as GSLC, CAP, CASP, CISM and/or CISSP will also be accepted.
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…
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