Information Systems Security Officer (Onsite)

Date Posted:

2026-10-12

 Country:

United States of America

 Location:

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

 Position Role Type:

Onsite

 U.S. Citizen, U.S.

Person, or Immigration Status Requirements

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​

 Security Clearance Type:

DoD Clearance: Secret

 Security Clearance Status:

Active and existing security clearance required on day 1

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

In this role, you will lead ISSO-level activities under the oversight of the ISSM, ensuring systems remain compliant, audit-ready, and aligned with program requirements. You will assist with continuous monitoring, system auditing, inspection readiness, and risk identification, while reviewing and processing data transfers, user access requests, and system changes through Change Control Boards (CCBs).

This role provides a hands-on, advanced cybersecurity opportunity, offering exposure to assessment and authorization processes, regulatory compliance, and operational cybersecurity practices in a high-assurance environment. You will work closely with cross-functional teams to apply cybersecurity controls consistently across technical, physical, and operational environments.

Responsibilities include supporting the application of cybersecurity requirements defined by government frameworks and guidance, including the Risk Management Framework (RMF), Joint Special Access Program Implementation Guide (JSIG) for SAP systems, NIST publications, NISPOM, and the DCSA Assessment and Authorization Guide (DAAG), and assisting in assessment and authorization activities under the oversight of the ISSM.

** This position is onsite in Largo, FL **

What YOU will do:

• 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.

Qualifications

You Must Have:

• 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 relevant experience.
• Experience performing cybersecurity monitoring, detection, auditing, and continuous monitoring activities in an enterprise or DoD environment.
• Working knowledge of cybersecurity principles, including network security, system logging, access management, and incident detection.
• Experience analyzing security alerts, logs, and network traffic to identify anomalous or malicious activity and escalate appropriately.
• Ability to document findings, audit results, and response actions in accordance with established procedures.
• Familiarity with cybersecurity tools such as SIEMs (Splunk preferred), IDS/IPS, endpoint protection, vulnerability scanning, and network monitoring platforms.
• Experience participating in Change Control Boards (CCBs) and reviewing proposed system changes for security impact and risk.
• Ability to collaborate with cross-functional teams to support secure operations and maintain audit-ready systems.
• Familiarity with DoD or other regulated environments, including RMF, JSIG, NIST, NISPOM, and DAAG guidance.

Qualifications

We Prefer:

• Advanced experience using SIEM platforms such as Splunk for log analysis, alert triage, event correlation, and reporting.
• Working knowledge of enterprise network protocols, architectures, and advanced attack techniques.
• Experience supporting inspection and assessment readiness, including trend analysis of security events and POA&M tracking.
• Exposure to vulnerability management processes and tools, including evaluation of findings and mitigation tracking.
• Ability to analyze system metrics, identify trends, and communicate risk and mitigation strategies to senior analysts or leadership.
• Experience coordinating with IT, Facilities, and Industrial Security teams to ensure consistent application of cybersecurity controls.

What We Offer

Some of our competitive benefits packages include:

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan that includes employer matching funds and separate. employer retirement contribution, including a Lifetime Income Strategy option.
• Tuition reimbursement program.
• Student Loan Repayment Program.
• Life insurance and disability coverage.
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection.
• Birth, adoption, pa