Cyber Intelligence Specialist

L3Harris Technologies

. Support classified information-system security activities in accordance with the DCSA DAAG, JSIG, NIST RMF, and applicable program requirements .

Posted 10/15/2026full-timeCarlsbad • California • United StatesSeniorLead💰 $92,500 - $171,500 per yearWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Support classified information-system security activities in accordance with the DCSA DAAG, JSIG, NIST RMF, and applicable program requirements
Execute RMF activities throughout the system lifecycle, including security categorization, control implementation, assessment support, authorization maintenance, and continuous monitoring
Develop and maintain RMF documentation, including System Security Plans, Security Control Traceability Matrices, Plans of Action and Milestones, Risk Assessment Reports, and supporting authorization artifacts
Work with ISSMs, System Administrators, Engineers, and program personnel to document control implementation, collect security evidence, and address compliance gaps
Perform vulnerability and compliance assessments using Nessus, STIG Viewer, SCAP, and related security tools; document findings and support remediation
Monitor and track vulnerabilities, security-control deficiencies, and POA&M items through validation and closure
Support DCSA assessments, internal reviews, CCRIs, and customer audits by preparing security evidence and verifying technical artifacts
Provide security guidance regarding classified-system configurations, system boundaries, enclave segmentation, and laboratory operations
Support cybersecurity incident-response activities, including documentation, investigation, containment, recovery, and required reporting
Develop and deliver cybersecurity awareness, system-user, and privileged-user training
Monitor cybersecurity threats, regulatory changes, and defense policy updates, and communicate potential impacts to system owners and security leadership
Participate in engineering reviews, configuration and change-control boards, and technical planning discussions as the Cyber Intelligence Team representative
Assist with secure configuration, patching, hardening, and monitoring of Ubuntu, Red Hat, and Windows systems within classified environments
Provide guidance and knowledge-sharing to less experienced cybersecurity personnel

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or related discipline and a minimum of 8 years of progressive experience in cybersecurity, information assurance, or system security engineering within defense or critical-infrastructure environments; 10 years of directly related experience may be considered in lieu of a degree
Active Secret Clearance required
Ability to obtain and maintain a Top-Secret clearance post-hire
Experience supporting Risk Management Framework activities for classified information systems
Ability to interpret technical security requirements and apply engineering and operational controls in accordance with DCSA, JSIG, and NIST SP 800-53 guidance
Working knowledge of Ubuntu, Red Hat, and Windows operating systems within mixed-enclave environments
Experience with operating-system hardening, patch management, endpoint security, vulnerability scanning, and configuration-compliance activities
Experience using ACAS/Nessus, SCAP, STIG Viewer, or comparable security-assessment and compliance tools
Experience documenting, tracking, and validating vulnerability findings and POA&M remediation activities
Ability to collaborate with Program Management, Engineering, Information Technology, and Security personnel
Strong written and verbal communication skills, including technical documentation and communicating security risks and remediation requirements
Familiarity with virtualization, containerization, network segmentation, and system-boundary concepts within DoD or similarly regulated environments
Strong analytical and organizational skills; ability to prioritize security risks and manage multiple assignments within established timelines

Benefits

Comp & perks

Health and disability insurance
401(k) match
Flexible spending accounts
EAP
Education assistance
Parental leave
Paid time off
Company-paid holidays