> Markdown version of [/jobs/ext/4392053-information-systems-security-officer](https://www.wearedevelopers.com/jobs/ext/4392053-information-systems-security-officer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Information Systems Security Officer - **Company:** Inc. (spa) - **Location:** San Diego, CA, United States - **Salary:** $110,000.0 - **Contract:** Permanent contract - **Skills:** Cyber Security, Information Systems, Identity and Access Management, Information Security Management, Security Content Automation Protocol, Software Vulnerability Management, Tanium Platform Expertise, Information Technology - **Published:** October 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9277473/information-systems-security-officer ## About the Role * Bachelor's degree in an Information Technology related field or equivalent work experience and certifications. * Three (3) years' experience in information system security with one (1) or more year's direct experience supporting classified information systems. * Must meet Department of Defense 8140 certification requirements at IAM Level I or higher. Acceptable certifications include CAP, GSLC, Security+ CE. * Experience with the Enterprise Mission Assurance Support Service (eMASS) * Ability to exercise independent judgment and to work autonomously with minimal supervision. * Active DoD Top Secret security clearance. Desired Qualifications: * Experience validating system compliance using the Security Content Automation Protocol (SCAP) Validation Tool. * Experience performing Vulnerability Management activities using tools such as ACAS or Tanium. * Experience configuring systems for compliance using Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and STIG Viewer. ## Description With minimal supervision, the Information System Security Officer (ISSO) maintains day-to-day security posture and continuous monitoring of classified information systems. The ISSO conducts reviews and technical inspections to identify and mitigate potential security weaknesses and ensure that all security features applied to a system are implemented and functional. In this role, you will report to the Information System Security Manager (ISSM) while preparing and maintaining security Assessment and Authorization (A&A) documentation, performing audits, participating in incident response activities, and tracking implementation guidance from multiple sources such as Cyberspace Tasking Orders (CTO). This role also includes interfacing with client and/or Government personnel and maintaining a thorough understanding of NIST 800-53 controls. As the ISSO, you will also be expected to collaborate with team members to support Defense Counterintelligence and Security Agency (DCSA) Technical Reviews and Cyber Operational Readiness Assessments (CORA). This role is specifically designed to fast-track a dedicated ISSO to an ISSM role by providing the first-hand experience required to manage DoD accredited classified information systems throughout the full Risk Management Framework (RMF) lifecycle.