Information Systems Security Officer, Senior (TS Clearance w/SCI eligibility)

Overview

AMERICAN SYSTEMS, a 100% employee-owned contractor company, is seeking an experienced Senior Information Systems Security Officer (ISSO) to support our customer's Special Access Program at NAS Jacksonville, FL .

This role requires a highly capable information systems security professional with extensive RMF and JSIG experience , strong authorization package expertise, and demonstrated ability to manually develop, organize, and maintain Bodies of Evidence (BOEs) . The successful candidate will apply sound technical judgment to complex security issues, produce accurate and defensible security documentation, and work effectively with government, technical, and security stakeholders to support mission-critical national security systems .

Responsibilities

As a Senior Information Systems Security Officer , you will:

• Maintain the security posture and operational readiness of assigned information systems.
• Partner with ISSMs, ISOs, system owners, administrators, engineers, assessors, and Authorizing Officials.
• Prepare and maintain RMF authorization packages and supporting security documentation.
• Conduct system reviews, self-inspections, continuous monitoring, and security assessments.
• Develop and maintain system descriptions, network topologies, security plans, POA&Ms, and assessment artifacts.
• Create, organize, and maintain Bodies of Evidence manually without GRC tools .
• Apply RMF, JSIG, SAP, DoD, NIST , and applicable STIG requirements.
• Review system changes and conduct security impact analyses for hardware, software, firmware, configuration, and authorization boundary changes.
• Coordinate proposed changes with the ISSM, ISO, AO, or DAO before implementation.
• Monitor system recovery activities to ensure security protections are restored and functioning properly.
• Ensure proper procedures are followed for clearing, sanitizing, storing, transporting, and destroying media and hardware.
• Review audit records, document anomalies, and support vulnerability remediation efforts.
• Support assessments, audits, inspections, ATO activities, design reviews, and corrective action tracking.
• Prepare security status reports, briefings, and other program documentation.
• Maintain accurate, current, and accessible security records.
• Provide RMF support to DoD, National Agency, SAP, and contractor organizations.
• Travel within CONUS, generally up to 10 days annually.

Qualifications

• U.S. citizenship required to obtain and maintain a security clearance .
• Active TOP SECRET/SCI clearance with SAP eligibility.
• 8-10 years of relevant experience in roles such as ISSO, ISSM, system administrator, network administrator, cybersecurity analyst, or security engineer.
• DoD 8140 IAM Level III certification, (e.g., CISSP, CISM, C-CISO, GSLC) or the ability to obtain certification within 6 months from hire
• Experience supporting classified or mission-critical information systems.
• Deep knowledge of the DoD RMF process, including authorization and continuous monitoring activities.
• Working knowledge of DoDI , NIST SP 800-37, NIST SP 800-53, NIST SP 800-53A, CNSSI 1253, DoDM , JSIG, STIGs, and SRGs .
• Demonstrated JSIG experience supporting Special Access Program information systems.
• Experience manually creating, compiling, and maintaining Bodies of Evidence without GRC tools .
• Experience preparing authorization packages, POA&Ms , control documentation, assessment artifacts, and continuous monitoring reports.
• Experience conducting security impact analyses for system changes and configuration management activities.
• Strong understanding of system and network administration, access control, audit logging, vulnerability management, and secure configurations.
• Strong written and verbal communication skills.
• Ability to work independently, manage competing priorities, and produce accurate, inspection-ready documentation.

Travel: Up to 10 days annually within CONUS to support program requirements.

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $140,000.00/Yr. - USD $165,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement

EEO Race/Sex/Disability Status/Veteran Status