Information Systems Security Officer (Onsite)

RTX (Raytheon); United States; On-site; USD 110,000 - 160,000; Full time

Job summary

Collins Aerospace Global Security Services (GSS) seeks an Information Systems Security Officer (ISSO) to lead security activities for SIPRNet information systems. You will ensure compliance, audit-readiness, and alignment with program requirements, assisting with continuous monitoring, audits, and change controls.

Responsibilities include RMF/JSIG guidance, data transfer reviews, and security artifact development.

Qualifications

• Typically requires a university degree and several years of relevant experience.
• Experience with RMF, JSIG, NIST, and DoD security guidelines is essential.
• Ability to coordinate with cross-functional teams and manage security artifacts.

Responsibilities

• Lead ISSO activities for SIPRNet information systems.
• Prepare for inspections and audits to ensure compliance.
• Review data transfers and user access requests for security compliance.
• Coordinate CORA readiness and POA&M tracking with ISSM.

Skills

ISSO responsibilities

Auditing & log analysis

Risk assessment

RMF/JSIG/NIST

Education

University degree

Advanced degree

Tools

ACAS

Tenable

SIEM

Job description

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 experien