ISSO: Cyber Intelligence & Security Authorization Lead

Harris Geospatial Solutions; Palm Bay (FL); On-site; USD 90,000 - 150,000; Full time

Job summary

L3Harris Technologies is seeking an experienced Specialist, Cyber Intelligence in Palm Bay, FL to support classified government networks as an ISSO. You’ll handle A&A, continuous monitoring, and security posture, coordinating with IT and system admins to harden devices per DISA STIGs and NIST.

A TS/SCI clearance with polygraph is required, with opportunities to lead incident response and security training. The role emphasizes strong analytical, leadership, and communication skills, with a focus

Qualifications

• Bachelor's or graduate degree in cybersecurity or related field.
• Active Top Secret/SCI security clearance with polygraph.
• DoD 8140.03 certification preferred.
• 6+ years of relevant experience in cybersecurity and classified systems.
• Experience with networking equipment, vulnerability results, and logs.

Responsibilities

• Maintain A&A documentation for assigned systems.
• Conduct security control assessments and continuous monitoring.
• Develop device and system hardening guides per DISA STIGs and NIST.
• Track and resolve POA&Ms and manage incident responses.
• Create training materials to improve security processes.
• Lead inventory, asset management, and site security posture improvements.
• Collaborate with site leadership to strengthen overall security.

Skills

Security clearance TS/SCI with poly

Experience with SIEM tools

Experience with vulnerability scanning

Knowledge of RMF/ICD 503/NISPOM

System hardening and DISA STIGs

Incident response management

A&A documentation

OST/POA&M tracking

Windows and Linux systems

DoD 8140.03 certification

Education

Bachelor's or Graduate degree in cybersecurity

Tools

DISA STIGs

NIST guidelines

Vulnerability scanning tools

A&A tooling

RMF workflows

SIEM platforms

Job description

L3Harris Technologies is seeking an experienced Specialist, Cyber Intelligence in Palm Bay, FL to support classified government networks as an ISSO. You’ll handle A&A, continuous monitoring, and security posture, coordinating with IT and system admins to harden devices per DISA STIGs and NIST.

A TS/SCI clearance with polygraph is required, with opportunities to lead incident response and security training. The role emphasizes strong analytical, leadership, and communication skills, with a focus