Primary Responsibilities
Provide personnel management for a team of Information System Security Officers (ISSOs) supporting authorized classified information systems, including employee check-ins, performance plans and reviews, training, professional development, and coaching.
Provide technical oversight and quality review of ISSO assessments, authorization artifacts, and configuration management reviews, and delegate authority to ISSOs as appropriate.
Serve as the Program ISSM for assigned classified information systems, working with the Collateral ISSM to develop, implement, and maintain security policies, procedures, and documentation in compliance with NISPOM (32 CFR Part 117), the DCSA Assessment and Authorization Guide (DAAG), NIST Risk Management Framework (RMF), and DoW security standards.
Lead Authorization to Operate (ATO) efforts and ongoing authorization activities, including System Security Plans (SSPs), security control assessments, Plans of Action and Milestones (POA&Ms), and Body of Evidence (BoE) artifacts maintained in eMASS.
Review and certify authorization packages for submission to the Authorizing Official (AO) and manage risk acceptance and POA&M decisions in coordination with the Collateral ISSM.
Act as the primary Information Assurance point of contact for Program Managers, Facility Security Officers, and program personnel, providing cybersecurity guidance and influencing system design, process, and risk decisions.
Develop risk-based solutions to complex technical and compliance issues spanning multiple systems, programs, and technical disciplines.
Lead Configuration Management efforts, chair or participate in the Change Control Board (CCB), approve security-relevant changes, and elevate significant changes to the Collateral ISSM and the Authorizing Official (AO) representative as required.
Oversee continuous monitoring, including vulnerability scanning and remediation tracking, STIG and SCAP compliance, audit log review, and security event analysis, and verify mitigation of findings.
Direct preparation for DCSA Cyber Operational Readiness Assessments (CORA), Security Vulnerability Assessments (SVA), On-Site Verifications (OSVs), and other government cybersecurity inspections, and coordinate corrective actions.
Investigate information system security incidents and violations, and ensure required reporting and corrective and preventative actions are completed.
Oversee media sanitization, declassification, and hardware release in accordance with security policy and AO guidance.
Perform risk and vulnerability assessments and security audits to identify system weaknesses and provide risk-based remediation strategies to program and IA leadership.
Evaluate and implement new cybersecurity processes, technologies, and tools to improve system security, compliance, and operational effectiveness.
Prepare and present status reporting to the Collateral ISSM, including the weekly action report and monthly operations report covering system status, issues, concerns, and impacts.
Develop and deliver information system security training and awareness for users, privileged users, and ISSOs.
Perform ISSO duties as needed.
Basic Qualifications
Bachelor's degree with 8+ years of relevant cybersecurity, information technology, information assurance, or information systems security experience, or Master's degree with 6+ years of relevant experience. Additional relevant experience may be considered in lieu of a degree consistent with Leidos job-level requirements.
Active DoD Secret clearance, with the ability to obtain and maintain a Top Secret clearance.
Must currently hold an industry certification required by DoD 8140 policy and aligned to the DoD Cyber Workforce Framework (DCWF) Information Systems Security Manager work role (for example, CISSP, CISM, CAP, CGRC, GSLC, or equivalent), or otherwise satisfy DoD 8140 qualification requirements through approved education, training, or experience.
Working knowledge of the Risk Management Framework (RMF), System Security Plans, and activities for receiving and maintaining information system authorization for Defense Counterintelligence and Security Agency (DCSA) and customer-authorized classified systems.
Working knowledge of the National Industrial Security Program Operating Manual (NISPOM) and the DCSA Assessment and Authorization Guide (DAAG).
Proficiency with the Enterprise Mission Assurance Support Service (eMASS).
Experience with vulnerability management, compliance, and security monitoring tools.
Demonstrated ability to develop and maintain detailed cybersecurity documentation and objective evidence supporting system compliance.
Ability to independently manage multiple cybersecurity activities and priorities.
Ability to communicate challenges, risks, and solutions effectively, both written and orally, to program and IA leadership, and to influence project and team leaders on solution design and approach.
Proficient in Microsoft Office and Microsoft collaboration tools.
Relevant Experience Considered
Cybersecurity, information assurance, information systems security, system administration, or Information Technology.
RMF compliance, DCSA DAAG, NISPOM, and NIST SP 800-53 security control implementation and assessment, or maintenance of authorization packages.
Continuous monitoring, vulnerability management, security configuration assessment, and audit log analysis.
Preparation for and support of DCSA assessments, inspections, or other government cybersecurity readiness reviews.
Leading, mentoring, or supervising cybersecurity or technical staff.
Project or program management involving technical, cybersecurity, compliance, or information system activities.
Preferred Qualifications
High level of proficiency with the DCSA instance of eMASS or equivalent.
Experience preparing for and supporting DCSA On-Site Validations (OSVs), CORA, SVA, or other government cybersecurity inspections.
Familiarity with DoD classified information systems, including SIPRNet, SDREN or other classified computing environments.
Experience with tools such as Splunk, Trellix, Tenable/ACAS, SCAP Compliance Checker, and STIG Viewer.
Working knowledge of Windows and Linux operating systems, Active Directory, virtualization, and enterprise identity management solutions.
Familiarity with cyber incident response activities, including detection, containment, eradication, recovery, and reporting.
Prior experience managing teams of 3 or more individuals.
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Original Posting
October 27, 2026
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range
Pay Range $107,900.00 - $195,050.00
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
