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# Senior Information Systems Security Officer TS/SCI w/Poly

- **Company:** Amentum Services, Inc.
- **Location:** Annapolis, MD, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Information Systems, Identity and Access Management, Information Security Management, Computer Network Operations
- **Published:** July 17, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=f6dc531b5f503a54

## About the Role

* Experience as an ISSO with emphasis on Defense-in-Depth principles, network, and enterprise security architecture.
 * Experience applying the principles of the NIST 800-53 including the procedures in the Risk Management Framework (RMF).
 * Familiarity with STE/STN requirements and associated tools and tradecraft.

Security Clearance Required:

 * TS/SCI Poly

Minimum Years of Experience:

 * Bachelor's degree plus 8-years of relevant experience
 * or Master's degree plus 6-years of relevant experience.
 * An Associate's degree or 18 semesters hours of military coursework/training in a computer-related field plus 10-years of relevant experience
 * or high school diploma/GED plus 12-years of relevant experience may be considered.

Required Certifications:

 * Information Assurance Manager (IAM) Tier 1 certification.

Preferred Qualifications:

 * Excellent written and oral communication skills

#javelin #ICpoly

## Description

Amentum is seeking a self-starting, motivated individual to be the Information System Security Officer supporting Computer Network Operations with maintaining compliance and strengthening the security posture of critical mission systems via the Risk Management Framework; will be responsible for 6 System Security Plans (SSPs)., Ensure the appropriate operational security posture is maintained for information systems. Support continuous monitoring of networks to detect and correct areas of security non-compliance, unmitigated vulnerabilities, and other risks. Follow consistent security processes and play a role in the information systems continuous monitoring program. Perform regular audits of information systems. Assist the information systems security manager in preparing the information system for periodic reaccreditation., Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.


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