Lead Information System Security Officer (ISSO)

Job ID 2612762Location Washington, DC, USDate Posted 2026-05-19Category CyberSubcategory Cyber GRCSchedule Full-TimeShift Day JobTravel NoMinimum Clearance Required NoneClearance Level Must Be Able to Obtain Public TrustPotential for Remote Work ORA_HYBRIDDescriptionSAIC is seeking a Lead Information System Security Officer (ISSO) to support a critical U.S. government agency in the National Capital Region. This role serves as the primary business liaison and single point of contact for a portfolio of systems while overseeing day-to-day authorization, compliance, and risk management activities.The Lead ISSO reports to the Security Program Management Office (SPMO) Manager and is responsible for leading a small team supporting system security, authorization, continuous monitoring, and risk management functions across assigned systems.ResponsibilitiesServe as the lead ISSO and primary point of contact for assigned systems and stakeholders.Oversee and coordinate activities related to ATO support, SSP maintenance, continuous monitoring, POA&M management, SIAs, and Risk Acceptance processes.Lead a small team supporting system security, authorization, compliance, and risk management activities.Oversee day-to-day execution of system security and compliance activities across assigned systems.Coordinate with Information Owners, System/Application Owners, technical teams, privacy stakeholders, and governance teams to resolve issues and track remediation efforts.Oversee preparation of systems and documentation for Security Control Assessments (SCAs), audits, and ongoing authorization activities.Track system risks, assessment findings, POA&M activities, and remediation status to ensure timely resolution.Oversee maintenance of system artifacts and records within GRC platforms such as JCAM/CSAM or eMASS.Facilitate recurring stakeholder meetings and provide compliance status updates, reporting, and risk summaries.Provide task oversight, coordination, and guidance to ISSO personnel supporting assigned systems.Ensure assigned systems remain aligned with NIST RMF, NIST SP 800-53, FISMA, and agency cybersecurity requirements.Support and maintain reporting dashboards, status tracking, and collaboration artifacts using SharePoint, PowerBI, and related collaboration platforms.QualificationsRequirementsBachelor’s degree and 5+ years of experience in federal information security, RMF, or ISSO-related roles.Ability to obtain and maintain a Public Trust requiring U.S. Citizenship or Green Card. Strong hands-on experience supporting ATO packages, continuous monitoring, POA&M management, SIAs, and risk activities.Strong working knowledge of NIST RMF, NIST SP 800-53, FISMA, and federal compliance processes.Experience serving as a lead coordinator or primary liaison for system security activities.Experience overseeing or coordinating the work of small teams or junior personnel.Experience with GRC tools such as JCAM/CSAM, eMASS, Archer, or Xacta.Strong communication, coordination, organizational, and stakeholder engagement skills.Experience using SharePoint and PowerBI to support reporting, metrics tracking, workflow management, and executive visibility activities. Proficient in Microsoft Office (Word, Excel, PowerPoint, SharePoint).Preferred QualificationsCISSP, CAP, CISM, Security+, and/or PMP certification.Experience supporting multiple systems or complex federal environments.Familiarity with cloud and hybrid environments.Target salary range $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.