Lead Information Systems Security Officer (ISSO) - Joint Base

The Lead Information Systems Security Officer (ISSO) is responsible for the oversight and execution of the program’s information assurance and compliance posture across all systems under the contract. The Lead ISSO manages the NIST Risk Management Framework (RMF) lifecycle for all program systems, including system registration, security categorization, control selection and implementation, assessment support, and Authorization to Operate (ATO) package preparation. This position serves as the primary contractor interface with the Government ISSM and Security Control Assessors.

The Lead ISSO ensures systems maintain continuous compliance with ICD 503, FISMA, DISA STIGs, and applicable IC security directives throughout their operational lifecycle, enabling rapid and defensible system authorizations in a dynamic AI/ML delivery environment., * Lead RMF lifecycle activities for all ASTRA information systems: registration, categorization, security plan development, control implementation, assessment preparation, and ATO package submission.

• Prepare and maintain System Security Plans (SSPs), Security Assessment Reports (SARs), Plan of Action and Milestones (POA&Ms), and related RMF artifacts.
• Serve as the primary contractor point of contact for Government ISSMs, Information System Owners (ISOs), and Security Control Assessors (SCAs).
• Conduct continuous monitoring activities including log analysis, SIEM review, vulnerability scan review, and POA&M tracking.
• Coordinate with the Lead Cybersecurity Engineer to ensure security controls are implemented, tested, and documented in accordance with the Security Assessment Plan (SAP).
• Manage STIG compliance activities, including STIG viewer checklists, configuration baselines, and deviation requests.
• Support system interconnection agreements (ISAs/MOUs) and data transfer agreements as required.
• Provide IA guidance to software engineers, system administrators, and DevSecOps teams on security-relevant configurations and hardening.
• Track and manage all open security findings, ensuring timely remediation or risk acceptance with Government concurrence.
• Support insider threat reporting requirements and user activity monitoring (UAM) in accordance with IC directives.

• Bachelor’s degree in Information Assurance, Cybersecurity, Computer Science, or related field; or equivalent experience., * Minimum 8 years of experience as an ISSO or equivalent role within DoD or IC environments.
• Demonstrated experience managing NIST RMF processes and preparing ATO packages for DoD or IC systems.
• Experience with DISA STIGs, vulnerability scanning tools (Nessus/ACAS, SCAP), and continuous monitoring.
• Familiarity with ICD 503, CNSSI 1253, and FISMA compliance requirements.

Certifications (Minimum per PWS - DoD 8570/8140 IAM Level II or III)

• CISSP (Certified Information Systems Security Professional) - preferred IAM Level III; OR
• CISM (Certified Information Security Manager) - IAM Level II or III; OR
• Equivalent DoD 8570.01-M / DoD 8140.01 IAM Level II or III baseline certification.

PPREFERRED REQUIREMENTS

• CISSP-ISSMP (Information Systems Security Management Professional) concentration.
• Experience supporting ATOs for AI/ML systems or advanced analytics platforms.
• Familiarity with eMASS (Enterprise Mission Assurance Support Service) for RMF documentation management.
• Prior ISSO experience supporting DIA, DISA, or IC-accredited systems.
• Experience with cloud-hosted system ATOs in IC cloud environments.
• Knowledge of NIST AI RMF and emerging guidance on securing AI systems.

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