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Information Systems Security Officer

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Job Code: 2019-011                                                                     

Title: Information Systems Security Officer (ISSO)
Location: Ft. Meade, MD


SSI is seeking an Information Systems Security Officer (ISSO) for the Defense Information Systems Agency’s (DISA) internal Information Technology (IT) Network and DISANet at DISA Headquarters, Ft. Meade, MD to provide support to the Information Systems Security Manager (ISSM) for maintaining the appropriate security posture of accredited systems. The ISSO assists with the management of security aspects of the information system and performs day-to-day security operations of the system. The ISSO provides support to the customer on matters involving the security of the information system and assists in maintenance to ensure the system accreditation. This includes developing and updating the system security plan, as well as managing and controlling changes to the system and assessing the security impact of those changes. The ISSO also provides support to plan, coordinate, and implement policies and provides configuration management for security-relevant information system software, hardware, and firmware. The ISSO will assist the ISSM with the continuous monitoring of accredited systems.  The ISSO will perform the following duties:


  • Participate in Security Assessments of networks, systems, and applications

  • Conduct reviews of assessment artifacts (Assessment Test Plans, System Security Plans,

  • Security Requirements Traceability Matrix, etc.)

  • Periodically update Security Plans, Cyber Policies, Incident Response Plans, etc.

  • Review future enhancements and requests for change for risk, and potential mitigations to those risks.

  • Maintain Risk Management Framework (RMF) accreditation.

  • Provide Analysis of Auditing

  • Review ACAS scans and POAMs based on the findings.

  • Instruct System Administrators to define milestones for remediation of the findings.

  • Review accredited systems and verify that findings noted in the POAM’s are being closed based of the agreed completion dates.

  • Maintain day-to-day security posture and continuous monitoring of IS including security event log review and analysis.

  • Ensure system security measures comply with applicable government policies.

  • Provide configuration management and accurately assess the impact of modifications and vulnerabilities for each system.

  • Provide support to the Lead Information Systems Security Manager (ISSM) for maintaining appropriate operation information assurance (IA) posture for programs.

  • Conduct reviews and technical inspections (as prescribed by the Lead ISSM) to identify and mitigate potential security weaknesses, and ensure that all security features applied to a system are implemented and functional.

  • Assist the Lead ISSM in monitoring and resolving Plan of Action and Milestones (POA&M) to mitigate system vulnerabilities on assigned Information Systems.



  • Bachelor’s Degree and 7 to 10 years of relevant experience

  • Active Secret clearance.

  • IAT II and IAT III certifications (CISSP, Security+ etc.)

  • Familiarity with DISA system accreditation procedures

  • Experience producing security artifacts (SSP, POAMs, etc.)

  • Experience hardening operating systems

  • Experience with vulnerability and compliance scanning tools

SSI is a Service Disabled Veteran Owned and HUBZone small business that provides professional services including systems engineering, information systems integration, and technology management services.  SSI offers a generous array of benefits including: 100% Paid Premium on Employee Medical, Vision, Dental, and Prescription Drug Insurance Plans, 60% Paid Premium for dependents.  SSI provides Life Insurance, Long Term Disability, and Short Term Disability benefits at no cost.  SSI employees receive 24 paid days off in the first year on board.  We also provide Military Leave benefits, 401(k) Retirement Plan, Education Assistance, Personal Technology Refresh and Employee Referral Bonuses.  Positions subject to Service Contract Act (SCA) have benefits provided as required by law. 

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