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.