Cyber Intelligence Specialist — RMF/ISSO & Clearance

L3Harris Technologies; Greenville (TX); On-site; USD 110,000 - 150,000; Full time

Job summary

L3Harris Technologies in Greenville, TX seeks an experienced ISSO to support RMF and A&A processes, develop security artifacts, and ensure continuous system compliance. The role collaborates across engineering, program teams, and security staff to implement robust protections.

The candidate should hold an active US Secret clearance with SCI eligibility, a related degree or equivalent experience, and relevant DoD certification.

Qualifications

• Active US Secret security clearance with SCI eligibility.
• Bachelor’s Degree plus 4+ years of experience.
• Graduate Degree plus 2+ years of experience.
• In lieu of a degree, 8 years of related experience.
• Experience with Windows and Linux operating systems.
• Experience with RMF/Assessment and Authorization (A&A).
• Current DoD IAM Level I/IAT Level 2 Certification (e.g., Security+).

Responsibilities

• Support RMF/A&A verification procedures.
• Draft artifacts: SSP, SCTM, POA&M, ConMon, CONOPS, and RMF BoE artifacts.
• Analyze and administer security controls for information systems.
• Collaborate with security team and engineers on secure solutions.
• Assist IA program compliance via self-inspections, tests, and reviews.
• Enforce change-management processes for hardware/software and access control.
• Review audit data for anomalous activities.
• Document and review security workflows to mitigate vulnerabilities.
• Conduct cybersecurity training and briefings for multiple levels.

Skills

Active US Secret clearance

Windows OS

Linux OS

Security monitoring

Security+ / DoD IAM Certification

Education

Bachelor’s Degree

Graduate Degree

8 years experience in lieu of degree

Job description

L3Harris Technologies in Greenville, TX seeks an experienced ISSO to support RMF and A&A processes, develop security artifacts, and ensure continuous system compliance. The role collaborates across engineering, program teams, and security staff to implement robust protections.

The candidate should hold an active US Secret clearance with SCI eligibility, a related degree or equivalent experience, and relevant DoD certification.