Information Systems Security Manager (ISSM)

OverviewInformation Systems Security Manager (ISSM) position located in Torrance. Requires a TS/SCI Clearance and Special Access Program experience. The role manages and maintains Classified Networks at Castelion and supports DoD/SAP environments, working with DoD agencies and Cognizant Security Agencies to sustain ATO on schedule.ResponsibilitiesLead RMF/JSIG/DAAPM execution; architect secure solutions, prepare authorization packages, brief Security Control Assessments, and drive POA&M closure.Own continuous monitoring, vulnerability and patch management (ACAS/Nessus, SCAP, STIGs); perform log analysis (Splunk), account management, media control, incident response, and annual self-inspections.Shape early program decisions with PMO to define security requirements, contribute secure-by-design input at PDR/CDR/TRR, and influence contract CDRLs.Develop people and processes; coach ISSOs/ISSEs, refine SOPs, track metrics, and present status to senior leadership and terface with external stakeholders as the single voice to DCSA, SAPCO, and other Cognizant Security Agencies for cybersecurity matters.Develop and implement Assured File Transfer (AFT) per JSIG guidelines.Conduct self-inspections and report findings to Cognizant Security Agency annually.Ensure approved procedures exist for clearing, sanitizing, and destroying hardware and media.Develop and execute security assessment plans to verify protection levels and functionality.Maintain the repository for all system authorization documentation and modifications; ensure life-cycle security requirements are addressed.Develop policies for responding to security incidents, investigate and report violations, and ensure corrective measures are implemented.Establish data ownership, responsibilities, access rights, and handling requirements for each authorization boundary.Develop and deliver information security education, training, and awareness programs; monitor and present local cyber security training.Evaluate threats and vulnerabilities to determine additional safeguards; assess changes in system environment and operational needs affecting authorization.Ensure authorization is accomplished and valid for all boundaries under your purview; review AIS assessment plans.Coordinate with PSO or cognizant security official on approval of external information systems; conduct periodic security posture assessments of authorization stitute and implement a Configuration Control Board (CCB) charter; ensure CM for security-relevant changes is documented.Ensure periodic testing to evaluate security posture using intrusion/attack detection and monitoring tools (shared with ISSOs); ensure recovery/reconstitution processes are in place.Ensure all authorization documentation is current and accessible to properly authorized individuals; ensure security requirements are addressed throughout the system life cycle.Basic QualificationsDegree in STEM/IT with a minimum of 5 years of relevant experience.5 years in DoD/IC Cybersecurity as ISSM and meet DoD 8570.01-M IAM-III requirements within 6 months (CISSP, CISM, GSLC).Proven delivery of ATO for SAP or SCI systems; prior Enterprise ISSM experience.Active TS/SCI security clearance; final CI polygraph or willingness to submit; U.S. citizenship required.Preferred Skills and ExperienceProven leadership of multi-disciplinary teams and successful ATO delivery for SAP or SCI systems.Expert knowledge of NISPOM, JSIG, RMF (NIST 800-37/800-53), ICD-503, DAAPM; oversight/execution of A&A.DevSecOps, Zero Trust, IAM experience; DISA STIG/SRG hardening for Linux/Windows.Background in network/system security architecture; hands-on with ACAS, SCAP, STIG Viewer, DISA SRGs, SIEM/Vulnerability tools (Splunk, NESSUS, etc.).Master's in Cybersecurity, Computer Science, or related field; CISSP-ISSEP/ISSMP or PMP.Existing TS/SCI clearance within the last 24 months.Additional InformationThis job description covers duties but may include additional responsibilities not listed.Stock incentives, comprehensive medical/vision/dental insurance, and three weeks of paid time off per year.Leadership QualitiesBias to Action and Creative Problem Solving; High Commitment and Initiative; Clear Communicator able to manage stakeholders and regulators with clarity and tact.Location and TravelTorrance, CA; U.S. citizenship is required per export regulations. #J-18808-Ljbffr

Created: 2025-09-21