Sr. Associate, Cyber Intelligence Jobs

L3Harris

Location:
United States, Greenville

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

L3Harris Greenville, Texas, is seeking an Information System Security Officer (ISSO) in support of Department of Defense and National programs. Duties for successful candidates include, but are not limited to reviewing and developing information system accreditation/certification support documentation; interacting with customers when changes occur that may affect the information system accreditation/certification; performing system and network self-inspections; identifying information system vulnerabilities and implementing countermeasures; assisting the ISSM/AISSM in policy creation/update; maintaining information system security records; receiving direction from the ISSM/AISSM. The ISSO will provide assistance on IT and information system security issues that may affect the mission of the customer. This ISSO shall also provide technical advisory support to the ISSM/AISSM on Information Systems Security related issues and technologies.

Job Responsibility:

Maintain the operational security posture for programs and information systems
Prepare, review, and maintain documentation to include System Security Plans (SSPs), Risk Assessment Reports, Assessment and Authorization packages, and other documentation to support Information System accreditation
Ensure all IS security-related documentation is current and accessible to properly authorized individuals
and ensure audit records are collected, reviewed, and documented (to include any anomalies)
Tracks and works off Plans of Action & Milestones (POAMs) against accredited information systems
Develop and maintain a directorate focused information systems security program to ensure compliance of IT assets with accreditation requirements specified under ICD 503, DAAPM, IC, and DoD regulations, policies, and procedures
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

Requirements:

Active DoD Secret Security Clearance
Bachelor’s degree in a technology related field or equivalent
2 years’ experience in information assurance or Cyber Security under RMF and 32 CFR (NISPOM) or other relevant fields. 6 years prior related experience in lieu of degree
4 years’ experience in collateral (DCSA) information assurance or Cyber Security under RMF and 32 CFR (NISPOM). 8 years’ prior related experience in lieu of degree
Minimum DoD 8570 IAM I certification (Security+)
Experience with Risk Management Framework, NIST 800-53, and 32 CFR (NISPOM)
Familiarity with personnel security and physical security accreditation
Familiarity with applicable IC, and DoD policies, procedures, and operating instruction related to IT, and IA
The position requires strong critical thinking/analytical skills, attention to detail, creativity, and a sustained commitment to excellence and quality
The position requires excellent oral and written communication skills

Nice to have:

Experience with ELK/Elastic Stack, Splunk, or other industry SIEM Solutions
Experience with NESSUS/Tenable.SC
Experience with network and information systems at varying classification levels
Familiarity with system architectures, to include WAN/LAN design and maintenance, controlled interfaces, etc
Experience with Windows and Linux client/server security administration and the underlying technologies such as TCP/IP, DNS, LDAP, and the security subsystem (IA&A)

Additional Information:

Job Posted:
December 09, 2025

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Sr. Associate, Cyber Intelligence