ISSO for DoD Classified Systems — Cybersecurity Lead

RTX (Raytheon); Jacksonville (FL); On-site; USD 95,000 - 130,000; Full time

Job summary

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 Jacksonville, FL. This onsite role requires active DoD Secret clearance and IAM Level I certification, with RMF/JSIG guidance and DoD-compliant processes guiding daily activities.

You will lead ISSO efforts, coordinate across IT and security teams, prepare for inspections, and ensure access controls and

Qualifications

• 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.

Responsibilities

• Serve as the lead ISSO for assigned 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 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.
• 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 to support risk reporting and operational decision-making.
• Communicate system security posture, inspection readiness, and ISSO-level findings to the ISSM and other senior cybersecurity personnel.

Skills

IAM Level I

RMF knowledge

JSIG knowledge

Audit readiness

Cross-functional collaboration

Education

Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field

Tools

Splunk

IDS/IPS

Endpoint protection

Vulnerability scanning

Network monitoring platforms

Job description

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 Jacksonville, FL. This onsite role requires active DoD Secret clearance and IAM Level I certification, with RMF/JSIG guidance and DoD-compliant processes guiding daily activities.

You will lead ISSO efforts, coordinate across IT and security teams, prepare for inspections, and ensure access controls and