Information Systems Security Officer; Onsite

Collins Aerospace Global Security Services (GSS) is seeking an Information Systems Security Officer (ISSO) to support cybersecurity operations for classified and controlled information systems.

This position is onsite in Largo, FL.

Location:

US-FL-LARGO-382SS ~ 7887 Bryan Dairy Rd. ~ BLDG 100

Position Role Type:
Onsite

• Serve as the lead ISSO for assigned SIPRNet information systems, coordinating ISSO-level cybersecurity activities across the system.
• Prepare systems for inspections, audits, and assessments by ensuring documentation, controls, and processes are compliant and DCSA & Cyber Operational Readiness Assessment (CORA) inspection-ready.
• Review and approve data transfers and user access requests within assigned scope, ensuring adherence to security policies, authorization boundaries, and contractual requirements.
• Conduct advanced system auditing and log analysis to identify trends, recurring issues, and potential security risks, and recommend mitigations to the ISSM.
• Develop, validate, and maintain cybersecurity documentation, authorization artifacts, and compliance reports to ensure systems remain audit-ready.
• Manage and track Plans of Action and Milestones (POA&Ms) within ISSO responsibility, ensuring timely remediation of findings from inspections, audits, or continuous monitoring.
• Participate in Change Control Boards (CCBs), reviewing proposed system changes for security impact, authorization implications, and risk considerations on SIPRNet.
• Maintain DISA, DCSA, DoD, CSSP, and SIPRNet connection requirements, including tracking changes that could affect authorization or connection status.
• Collaborate with cross-functional teams (IT, Facilities, Industrial Security) and enterprise cybersecurity stakeholders to ensure consistent application of ISSO responsibilities across technical and operational environments.
• Monitor system metrics, vulnerability trends, and continuous monitoring data on DoD and SIPRNet Cybersecurity Service Provider (CCSP) platforms to support risk reporting and operational decision‑making.
• Experienced analyzing ACAS/Tenable vulnerability scans, coordinate remediation, validate closure, and identify recurring vulnerability trends or risks requiring ISSM escalation.
• Support and coordinate SIPRNet cybersecurity incident response, in accordance for DoD and SIPRNet CSSP reporting requirements.
• Communicate system security posture, inspection readiness, and ISSO‑level findings to the ISSM and other senior cybersecurity personnel.
• Coordinate with the assigned Cybersecurity Service Provider (CSSP) for continuous monitoring, alert review, incident escalation, vulnerability identification, and resolution.
• CORA Readiness:
  Lead ongoing Command Cyber Readiness Assessment (CORA) preparation, including pre‑assessment activities, evidence/artifact validation, technical control reviews, remediation tracking, and coordination with system stakeholders to maintain continuous inspection readiness.
• Perform advance review of SIEM and Comply to Connect tools to identify anomalous or unauthorized activity, investigate trends, and coordinate findings with the CSSP and ISSM.

• Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
• U.S. Citizen - Active and transferable U.S. government issued security clearance is required prior to start date.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Active DoD Secret Security Clearance required on day one.
• IAM Level I certification compliant with DoD 8570 / DoD 8140.
• Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or a related field, or equivalent…