Lead Information System Security Officer (ISSO)

Description SAIC 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. Responsibilities: • Serve 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. Qualifications Requirements: • Bachelor’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 Qualifications: • CISSP, 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.