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# Information System Security Officer (Isso) - Ts/Sci - Jessup, MD

- **Company:** SBS of Mecklenburg, Inc.
- **Location:** Jessup, MD, United States (Remote available)
- **Contract:** Permanent contract
- **Skills:** Xacta, Amazon Web Services, Cloud Computing Security, Cyber Security, Identity and Access Management, Information Security Management, Zero Trust Network Access, Software Engineering, Software Vulnerability Management, Cloud Platform System, RSA Archer Platform, Opsworks
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/information-system-security-officer-isso-ts-sci-jessup-md-jessup-md--58b2b41b-ff21-4bea-8334-ff9172a08c03

## About the Role

Sensitive Compartmented Information (SCI), Computer Security, Top Secret Clearance, Top Secret Clearance, Sensitive Compartmented Information (SCI), United States Department of Defense (DoD), Business Solutions, Intelligence Community, Software Engineering, Amazon Web Services (AWS), * Active TS/SCI Clearance.

 * 5+ years of Information Assurance, Cybersecurity, or Information System Security experience.
 * Minimum 2 years supporting RMF and NIST SP 800-53.
 * Minimum 1 year supporting AWS cloud security environments.
 * Experience creating and maintaining complete ATO packages.
 * Experience with SSPs, POA&Ms, Continuous Monitoring, and Control Implementation Statements.
 * Working knowledge of AWS security services.
 * Strong understanding of vulnerability management and security compliance.

Preferred Qualifications

 * Experience with eMASS, Xacta, Keyhole, or equivalent GRC platforms.
 * Experience supporting DoD IL2/IL4/Secret/TS cloud environments.
 * Familiarity with AWS Landing Zone Accelerator (LZA).
 * Experience implementing Zero Trust security principles.
 * DoD 8570/8140 IAM Level II or IAT Level III certification.
 * One or more of the following:
 * CISSP
 * CISM
 * CAP
 * CASP+

Desired Skills

 * Excellent communication and documentation skills.
 * Strong analytical and troubleshooting abilities.
 * Ability to work independently in classified environments.
 * Experience supporting highly regulated Federal or Intelligence Community customers.

## Description

SBS is seeking experienced Information System Security Officers (ISSOs) to support Amazon Web Services (AWS) Federal customers operating within highly secure, classified cloud environments. This position is responsible for leading Risk Management Framework (RMF) activities, maintaining Authorization to Operate (ATO) packages, implementing continuous monitoring strategies, and ensuring compliance with NIST and DoD cybersecurity requirements across multiple security domains.

The ideal candidate possesses a strong background in RMF, cloud security, and AWS-native security services while partnering with engineering teams to maintain secure cloud environments supporting Department of Defense and Intelligence Community missions.

Responsibilities

Risk Management Framework (RMF)

 * Develop, maintain, and update RMF documentation supporting IATT and ATO packages.
 * Author and maintain:
 * System Security Plans (SSPs)
 * Security Control Family Plans (AC, IA, SC, SI, etc.)
 * POA&Ms
 * Control implementation statements
 * Continuous Monitoring documentation
 * Support the full RMF lifecycle in accordance with DoDI 8510.01 and NIST SP 800-53 Rev. 5.

Cloud Security

 * Monitor security posture across AWS environments supporting IL2, IL4, Secret, and TS workloads.
 * Assess cloud environments against NIST 800-53 security controls.
 * Configure and monitor AWS security services including:
 * GuardDuty
 * Security Hub
 * AWS Config
 * IAM
 * AWS Organizations / SCPs
 * Assist engineering teams in implementing secure cloud architectures.

Vulnerability & Compliance Management

 * Review vulnerability findings and support remediation efforts.
 * Maintain POA&Ms and continuous monitoring activities.
 * Work with third-party security tools including:
 * Palo Alto
 * ACAS
 * Elastic
 * Ensure compliance with customer cybersecurity policies and accreditation requirements.

Collaboration

 * Partner with cloud engineers, ISSOs, ISSEs, architects, and customer security teams.
 * Participate in security assessments and authorization reviews.
 * Provide guidance during audits and compliance activities.
 * Support ongoing improvements to cloud security posture and automation.