Information Systems Security Officer (ISSO) SE-3
Odyssey Systems Consulting
Niceville, FL · Posted November 8, 2026
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About the job
Position Summary
Odyssey has an exciting opportunity for an Information Systems Security Officer (ISSO) SE-3 supporting the 46 Test Squadron – Sensors and Defensive Systems Flight (46 TS/TGBB) at Eglin AFB, FL. Working closely with the Information Systems Security Manager (ISSM), the ISSO will support Assessment & Authorization (A&A) activities for classified systems used by test engineers and data analysts. The ISSO will develop, maintain, and implement security documentation; define cybersecurity requirements for new and existing systems; and assist in the enforcement of security policies and standards for highly sensitive DoD/SAP environments.
This is a full‑time, onsite position at Eglin AFB, FL, with Duties include, but not limited to:
Lead and implement all phases of the Risk Management Framework (RMF) Assessment & Authorization (A&A) lifecycle for classified information systems
Implement, assess, and monitor security controls to safeguard classified networks and information
Perform vulnerability management activities including vulnerability assessments, Security Technical Implementation Guide (STIG) evaluations, and ACAS scans
Perform Security Impact Assessments (SIA) and vulnerability analysis as part of Configuration Management (CM)
Support and participate in incident response activities, including investigation, reporting, and mitigation actions
Provide configuration management for all security‑relevant hardware, software, and firmware; validate that system changes comply with security policies
Prepare, review, and maintain all security documentation including SSPs, Risk Assessment Reports, POA&Ms, hardware/software baselines, and complete Authorization to Operate (ATO) packages
Ensure documentation is current, accurate, and accessible to authorized personnel
Develop and provide security awareness training for personnel with access to classified systems
Serve as a primary cybersecurity liaison with government customers, suppliers, and internal stakeholders
Support audits, inspections, investigations, and compliance‑driven cybersecurity requirements
Oversee system and network designs involving diverse computing environments with multiple classification levels
Perform other cybersecurity duties as assigned by the ISSM
Interface with government approving authorities across the DoD in an information‑security role
Qualifications
Citizenship: U.S. Citizenship Required
Minimum Required Qualifications: Clearance: Active Secret required; must be able to obtain and maintain TS/SCI and SAP access
Education: Bachelor’s degree in a technical field and at least 3 years relevant technical experience (experience may substitute for education).
Years of Experience: 3–10 years relevant technical/cybersecurity experience
Certifications: CompTIA Security plus (Security+) or CompTIA SecurityX (SecurityX - formerly known as CASP+) or CompTIA Cloud+ (Cloud+) or Certified Cloud Security Professional (CCSP) Systems Security Certified Practitioner (SSCP) or GIAC Security Essentials Certification (GSEC), Certified Information Systems Security Officer (CISSO) or Certified in Governance, Risk and Compliance (CGRC/CAP) or GIAC Cyber Security Analyst (GCSA) or Certified Information Systems Security Officer (CISSO) or Certified Chief Information Security Officer (CCISO)
Experience with RMF, NIST 800‑53, JSIG, and A&A documentation
Experience performing system vulnerability assessments, SIAs, and configuration management
Experience generating formal cybersecurity documentation and reports
Preferred Qualifications
Clearance : TS/SCI
Certifications: Certified Information Security Manager (CISM) or Federal IT Security Professional–Manager (FITSP-M) or GIAC Certified Intrusion Analyst (GCIA) or GIAC Certified Incident Handler (GCIH) or GIAC Security Leadership Certification (GSLC) or GIAC Global Industrial Cyber Security Professional (GICSP) Certified Information Systems Security Professional – Information Systems Security Management Professional (CISSP‑ISSMP) or Certified Information Systems Security Professional (CISSP)
Experience with SCC/Evaluate STIG and ACAS
Experience with Windows/Linux, virtual systems, network devices, databases, and web apps
Experience with AF software/application certification processes
Experience conducting cybersecurity audits using reduction tools
Technical Skills
Strong understanding of SAP cybersecurity and secure system operations in on‑prem and cloud-based environments
Understanding of RMF lifecycle for DoW systems in SAP environments
Experience with NIST 800‑53 controls and JSIG requirements
Experience designing, developing, or managing IT/cyber systems and integrating emerging technologies
Experience leading IT activities ensuring compliance with legal, regulatory, and DoD/AF requirements
Strong project management and documentation skills
Experience with STIG evaluations, ACAS scans, SIA assessments, and vulnerability analysis
Experience with auditing, incident response, and investigative cybersecurity activities
Experience assessing Windows, Linux, virtual systems, network devices, and web applications
Experience with ATO documentation including SSPs, RARs, POA&Ms, and hardware/software baselines
Preferred: Experience with SCC/Evaluate STIG, ManageEngine EventLog Analyzer, and Air Force software certification assessments
Interpersonal Skills
Strong oral and written communication skills
Ability to negotiate complex issues and maintain effective working relationships
Ability to lead studies, projects, and system‑level cybersecurity initiatives
Ability to collaborate with diverse engineering, operations, and program stakeholders
Ability to work independently with high initiative and minimal supervision
Additional Information
Location: Eglin AFB, FL Work Environment: Onsite Job Status: Full‑Time Travel: 10% CONUS/OCONUS TDYs
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Company Overview
Odyssey is a world-class technical, engineering, and integration company serving the warfighting ecosystem with airborne integration, ISR, C2, and warfighter readiness capabilities. Odyssey meets the military’s operational needs by integrating layered defense systems from equipment, technology, and services to data, information, and business operations. We streamline defense acquisition and sustainment, engineering the technical battlefield with domain-specific proficiency to ensure lethality. Odyssey is dedicated to excellent contract execution, peak organizational performance, and fostering a workplace built on employee care.
Odyssey is proud to live out our core values of commitment, ambition, and respect in our work and communities through OdysseyCares, a philanthropic group focused on giving back through direct donations, an employer match program, and volunteering events.
Please note : Final compensation for this position will be determined by various factors such as the Federal Government contract labor categories and contract wage rates, relevant work experience, specific skills and competencies, geographic location, education, and certifications.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities