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Sr. Specialist, Cyber Intelligence - ISSO

Job in Greenville, Greenville County, South Carolina, 29610, USA
Listing for: L3Harris
Full Time position
Listed on 2026-01-27
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Support
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Overview

L3

Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3

Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3

Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Cyber Intelligence – ISSO

Job Code: 32887

Job Location: Greenville, TX;
On-site

Job Schedule: 9/80, off every other Friday, 1st shift

Job Description

L3

Harris Greenville, Texas, is seeking a program specific Senior Information System Security Officer (ISSO) in support of Department of Defense programs. This ISSO will be primarily responsible for network auditing and compliance for a complex network with multiple locations and a diverse user set. The ISSO will provide assistance on IT and information system security compliance issues that may affect the mission of the customer.

This ISSO reports to the ISSM for the program.

  • Complete assessment activities for verification of RMF/Assessment and Authorization (A&A) safeguards within the NIST 800-53 AU control family to meet various regulatory requirements.
  • Responsible for analyzing and evaluating security controls for information systems with regards to auditing and compliance.
  • Monitor IA Program compliance by routine and extensive auditing of network traffic, events, activities and inbound/outbound transfers.
  • Review audit data of the IS and IS components (technical & physical) for anomalous or unauthorized activities.
  • Participate in documenting and publishing security related workflows and procedures to mitigate vulnerabilities and recommend changes to system or system components.
  • The selected candidate will act as a member of a diverse security team and participate in Engineering and Configuration Review Boards and Working Groups to develop secure system solutions.
  • Provide input and support for RMF package artifacts to include the System Security Plan (SSP), Security Control Traceability Matrix (SCTM), Plan of Actions & Milestones (POA&M), Continuous Monitoring (Con Mon) Plan, CONOPS, and other RMF BoE artifacts.
  • Ability to obtain and maintain any additional clearances as required.
  • Up to 5% travel may be required.
Qualifications

Active DoD Secret clearance. 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. Relevant experience with various operating systems (e.g. Windows, Linux, UNIX, Solaris, Cisco), Windows server systems, system virtualization, and other related peripherals. Experience using Microsoft Office products.

Relevant experience with Auditing and compliance tools such as Splunk, EPO/Trellix, Solar Winds, Nessus, SCAP. IAM Level II Certification (Security +). Experience with RMF/Assessment and Authorization (A&A) safeguards to meet various regulatory requirements based upon government regulations and NIST 800 series (800-53, etc.). Experience in Special Access Program environments. Excellent communication skills (written, verbal, & presentation).

  • Active DoD Secret clearance
  • 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.
  • Relevant experience with various operating systems (e.g. Windows, Linux, UNIX, Solaris, Cisco), Windows server systems, system virtualization, and other related peripherals.
  • Experience using Microsoft Office products.
  • Relevant experience with Auditing and compliance tools such as Splunk, EPO/Trellix, Solar Winds, Nessus, SCAP
  • IAM Level II…
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