Onsite DoD ISSO SIPRNet Security Lead

Collins Aerospace; Largo (FL); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) plan with employer match

Tuition reimbursement

Job summary

Collins Aerospace in Largo, FL is seeking an Information Systems Security Officer (ISSO) to lead cybersecurity for SIPRNet information systems, ensuring RMF/JSIG/NIST compliance and audit readiness. You will coordinate with ISSM, CSSP, and cross‑functional teams, perform advanced audits, manage POA&Ms, and support CORA readiness, incident response, and change controls in a DoD environment.

Requires active DoD Secret clearance, U.S.

Qualifications

• 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.
• Active DoD Secret clearance required on day one.
• Familiarity with RMF, JSIG, NIST, NISPOM, and DAAG guidance.
• Experience performing cybersecurity monitoring, auditing, and continuous monitoring in a DoD environment.

Responsibilities

• Lead ISSO activities under ISSM oversight for SIPRNet information systems.
• Prepare systems for inspections, audits, and CORA readiness with proper documentation and controls.
• Review data transfers and user access requests for policy adherence and authorization boundaries.
• Conduct advanced system auditing and log analysis to identify risks and mitigations.
• Develop and maintain cybersecurity documentation and compliance reports.
• Manage Plans of Action and Milestones (POA&Ms) within ISSO responsibilities.
• Participate in Change Control Boards (CCBs) and review system changes for security impact.
• Maintain DISA, DCSA, DoD, CSSP, and SIPRNet connection requirements.
• Collaborate with IT, Facilities, Industrial Security, and enterprise stakeholders.
• Monitor DoD and SIPRNet CCSP platforms for risk reporting and decision making.
• Analyze ACAS/Tenable vulnerability scans and coordinate remediation.
• Support SIPRNet cybersecurity incident response per DoD/CSSP requirements.
• Communicate security posture and readiness to ISSM and leadership.
• Coordinate with CSSP for continuous monitoring and incident escalation.
• Lead CORA readiness preparation and evidence validation.

Skills

DoD 8570/8140 IAM I

RMF/JSIG/NIST knowledge

Cybersecurity monitoring

SIEM (Splunk)

CCBs / Change control

Log analysis

Audit readiness

Education

Bachelor’s in Cybersecurity/CS/IT or related

Advanced degree (optional)

Tools

Splunk

ACAS/Tenable

DCSA/DAAG guidance tools

Job description

Collins Aerospace in Largo, FL is seeking an Information Systems Security Officer (ISSO) to lead cybersecurity for SIPRNet information systems, ensuring RMF/JSIG/NIST compliance and audit readiness. You will coordinate with ISSM, CSSP, and cross‑functional teams, perform advanced audits, manage POA&Ms, and support CORA readiness, incident response, and change controls in a DoD environment.

Requires active DoD Secret clearance, U.S.