icd-503 jobs in San Diego

ManTech seeks an Information System Security Officer to maintain Assessment & Authorization (A&A) documentation per NIST and DoD standards, track compliance deficiencies via Plans of Action and Milestones, implement continuous monitoring strategies, and oversee audit log systems and patch management. The role requires managing security tools, evaluating system configuration changes, and supporting an Information System Security Manager (ISSM) with compliance and incident response procedures.…See more Candidates must hold Security+ certification, have 2+ years of RMF and NIST SP 800-53 experience, and possess an active Top Secret clearance with SCI eligibility.

This role supports cybersecurity and compliance efforts across the Risk Management Framework (RMF) process for DoD programs. Responsibilities include developing and maintaining system security documentation, Plans of Action and Milestones (POA&Ms), assessing security controls, conducting vulnerability scanning and audits, and ensuring continuous monitoring of systems compliance.…See more The position requires IAM Level I certification (DoD 8570.1M), 4+ years of information security or cybersecurity experience, and hands-on proficiency with compliance and vulnerability scanning tools such as Nessus, SCAP, ACAS, and SCC on Windows, Linux, and network devices.