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Senior Specialist, Cyber Intelligence - TS/SCI with Poly

L3HARRIS Technologies

Palm Bay, FL · Posted October 6, 2026

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About the job

Job Title: Senior Specialist, Cyber Intelligence

Job Code: 45634

Job Location: Palm Bay, FL

Job Schedule: 9/80 Reg: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

Job Description:

Join the frontline of cyber defense supporting classified government networks as an Information Systems Security Officer (ISSO). In this role, you will help safeguard mission-critical systems by supporting Assessment & Authorization activities, continuous monitoring, system hardening, configuration management, and security compliance under RMF, ICD 503, and NISPOM guidance. You will also investigate security incidents, identify and remediate control gaps, maintain a strong security posture across assigned systems, and deliver security training that strengthens awareness and resilience across the organization. This role is a senior level ISSO who will provide mentorship and assistance to their more junior counterparts.

Essential Functions:

Maintain Assessment & Authorization (A&A) documentation of assigned systems

Perform security control assessments and execute Continuous Monitoring Plans

Work with IT and system administration organizations to develop device and system hardening guides following DISA and NIST guidelines

Responsible for the tracking and resolution of POA&Ms

Manage the incident response process for areas of responsibility

Develop new concepts, standards, and training material which make significant and impactful improvements to processes, systems, solutions, or products

Lead inventory and asset management discovery and tracking activities

Work with site leadership to improve the security posture of systems and the facility

Mentor junior ISSOs in execution of tasks

Travel up to 10%

Qualifications:

Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Active Top Secret/SCI with CI Polygraph

Willingness to submit to a full scope polygraph investigation

Preferred Additional Skills:

Active full scope polygraph

DoD 8140.03 certification

Minimum 8 years of prior relevant experience to include experience with networking equipment; experience interpreting vulnerability scanning results; experience reviewing workstation, server, firewall, & IPS logs; experience with SIEM tools

Experience as an ISSO managing cybersecurity on classified systems under multiple agencies’ JSIG, NISPOM Ch8, ICD 503, and/or NIST 800-53 implementations

Experience developing, managing, and providing evidence to close POA&Ms associated with the A&A and project management processes

Experience with workstation and server operating systems, including but not limited to Microsoft and Linux offerings

Flexibility to adjust to changing requirements, schedules, and priorities

Able to socialize ideas, make recommendations, and gain team consensus

Excellent time management and task prioritization skills

Exceptional verbal, written, interpersonal and presentation skills, customer relationship building skills, analytical skills and ability to lead/mentor teammates.

High level of personal motivation and initiative to learn and acquire new skills

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