Cyber Intelligence Specialist – Security & RMF Expert

L3Harris Technologies, Inc.; Greenville (TX); On-site; USD 120,000 - 165,000; Full time

Job summary

L3Harris Technologies, Inc. is seeking an Information System Security Officer (ISSO) to support DoD and national programs at Majors Field in Greenville, TX.

The ISSO will develop and maintain security documentation, conduct audits, and coordinate with the ISSM/AISSM, ensuring compliance and continuous monitoring across information systems. Responsibilities include preparing SSPs and risk assessments, managing POAMs, and guiding IT/IA policy implementation per DoD and IC directives.

Qualifications

• Active DoD Secret Security Clearance.
• Bachelor’s Degree and minimum 4 years of prior relevant experience; Graduate Degree with 2 years; or 8 years in lieu of a degree.
• Minimum DoD 8570 IAM I certification (Security+).
• Experience with RMF, NIST 800-53, and 32 CFR (NISPOM).
• Familiarity with IC and DoD IT/IA policies and procedures.

Responsibilities

• Maintain operational security posture for programs and information systems.
• Prepare and maintain System Security Plans (SSPs), Risk Assessment Reports, and accreditation packages.
• Ensure all IS security documentation is current and accessible; audit records are collected and reviewed.
• Manage Plans of Action & Milestones (POAMs) for remediation of weaknesses.
• Develop and maintain security program alignment with ICD 503, DAAG, IC, and DoD requirements.
• Participate in Security Configuration Control Board and security-focused groups.

Skills

DoD Secret Clearance

RMF experience

NIST 800-53 familiarity

IC/DoD IT/IA policies familiarity

Education

Bachelor’s Degree

Graduate Degree

Security+ (DoD 8570 IAM I)

Tools

Elastic Stack (ELK)

Splunk

Nessus/Tenable SC

Job description

L3Harris Technologies, Inc. is seeking an Information System Security Officer (ISSO) to support DoD and national programs at Majors Field in Greenville, TX.

The ISSO will develop and maintain security documentation, conduct audits, and coordinate with the ISSM/AISSM, ensuring compliance and continuous monitoring across information systems. Responsibilities include preparing SSPs and risk assessments, managing POAMs, and guiding IT/IA policy implementation per DoD and IC directives.