Information Systems Security Manager

Leidos' Corporate Information Security Office (CISO), reporting through our Digital sector, is seeking an Information Systems Security Manager in our San Diego, CA Campus Point office. In this role, you will oversee Information Systems supporting Special Access Programs (SAPs) and maintain system authorization and cybersecurity compliance throughout the system lifecycle in accordance with the Joint Special Access Program Implementation Guide (JSIG), Risk Management Framework (RMF), applicable DoD SAP security requirements, and customer-specific guidance. As the ISSM, you will serve as a Subject Matter Expert (SME) within the Information Assurance (IA) technical domain, supporting SAP Information Systems and enclaves across the enterprise. You will oversee day-to-day information system security operations, manage IA and IT personnel supporting SAP environments, resolve complex cybersecurity challenges, and develop innovative solutions to meet evolving program, customer, and security requirements. The ideal candidate must be able to work independently while effectively collaborating with cybersecurity analysts, system administrators, engineers, program management, security personnel, site leadership, Program Security Officers (PSOs), Security Control Assessors (SCAs), and Authorizing Official (AO) representatives. Location: All work will be performed on-site at our San Diego, CA office. Clearance: You must currently hold an active Top Secret security clearance and be eligible for Special Access Program (SAP) clearance. Primary Responsibilities This role may include a combination of duties to protect SAP information, maintain cybersecurity controls, manage risk, and ensure Information Systems operate in accordance with approved authorization documentation and applicable SAP cybersecurity requirements. Develop, implement, maintain, and enforce cybersecurity policies, procedures, Standard Operating Procedures (SOPs), and system-specific security documentation supporting SAP Information Systems. Develop and conduct cybersecurity education and training for Information System users, privileged users, Information System Security Officers (ISSOs), system administrators, and other personnel supporting SAP environments. Mentor ISSOs, system administrators, and other Information Assurance professionals regarding JSIG, RMF, secure system administration, vulnerability management, configuration management, and cybersecurity best practices. Coordinate technical training on cybersecurity tools, software, technologies, and procedures used within SAP Information System environments. Develop and lead training related to cybersecurity incident response, including identification, reporting, containment, remediation, recovery, documentation, and lessons learned. Develop and lead Information Security projects from conceptualization through implementation, authorization, deployment, and operational acceptance. Provide cybersecurity risk information and recommendations to program and senior site leadership to support risk-informed decisions regarding SAP Information Systems. Demonstrated experience managing the cybersecurity and compliance posture of complex, multi-site Wide Area Networks (WANs), including interconnected systems across geographically dispersed locations. Experience applying RMF, NIST, and applicable DoD security requirements to WAN architectures, boundary protections, network infrastructure, continuous monitoring, vulnerability management, and authorization activities. Basic Qualifications Must currently hold an active DoD Top Secret clearance to be considered and you must be able to meet applicable eligibility and access requirements for Special Access Program information. Bachelor’s degree in an IT-related subject matter area from an accredited college or university and 12+ years of experience in an operational cybersecurity-specific role (e.g., Information Systems Security Manager, Information Systems Security Officer, cybersecurity specialist), or 16+ years of experience in an IT-related position with at least 10 years in an operational cybersecurity-specific role. At least 10 years of Information Assurance/Cybersecurity management experience. Current DoD 8570/8140 CISSP or CISM certification. Previous ISSM and/or senior ISSO experience supporting classified Information Systems. Detailed understanding and practical application of the Risk Management Framework (RMF), Joint Special Access Program Implementation Guide (JSIG) , National Institute of Standards and Technology (NIST) security controls, and Committee on National Security Systems Instruction (CNSSI) 1253 requirements. Working knowledge of DoD Special Access Program cybersecurity requirements, policies, processes, and procedures applicable to the authorization and operation of SAP Information Systems. Experience developing, maintaining, and managing RMF authorization packages and associated cybersecurity documentation, including SSPs, security control implementation statements, POA&Ms, risk assessments, continuous monitoring artifacts, and supporting Body of Evidence. Experience preparing Information Systems for cybersecurity assessments and supporting Security Control Assessors (SCAs), Authorizing Officials (AOs), Program Security Officers (PSOs), and customer cybersecurity representatives throughout the authorization process. Familiarity with network technologies (LAN and WAN), network architecture, encryption technologies, key management, and cybersecurity best practices within classified and SAP environments. Working knowledge of Microsoft Windows workstation/server and Linux operating systems within secure network environments. Experience implementing and validating DISA Security Technical Implementation Guides (STIGs), Security Requirements Guides (SRGs), security configuration baselines, and system hardening requirements. Experience with compliance, security monitoring,