Manager, Cyber Intelligence

L3Harris Technologies
Greenville, TX

L3Harris 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. L3Harris 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.

L3Harris is the Trusted Disruptor in defense tech. 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: Manager, Cyber Intelligence-ISSM

Job Code : 37067

Job Location: Greenville, TX; On-site

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

Job Description:

L3Harris Greenville, Texas, is seeking an Information System Security Manager (ISSM) in support of Defense Counterintelligence and Security Agency (DCSA) 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;

Responsibility for program policy creation/update; maintaining information system security records. The ISSM will provide assistance on IT and information system security issues that may affect the mission of the customer. This ISSM reports to the Director of Cyber Intelligence for the site.

  • Develop and conduct risk assessment procedures for verification of RMF/Assessment and Authorization (A&A) safeguards to meet various regulatory requirements based upon government regulations and NIST 800 series (800-53, etc.) guidelines.
  • Author and provide oversight of various artifacts supporting RMF package artifacts to include the System Security Plan (SSP), Security Control Traceability Matrix (SCTM), Plan of Actions & Milestones (POA&M), Continuous Monitoring (ConMon) Plan, CONOPS, and other RMF artifacts.
  • 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.
  • Monitor IA Program compliance by performing periodic self-inspections, tests and reviews of the IS to ensure that systems are operating as authorized/accredited and that conditions have not changed.
  • Configuration of change management processes (hardware/software, account Management, Disposition, Assured File Transfers (AFT) and related documentation in accordance to policies and procedures.
  • Conduct Cybersecurity training, briefings, and presentations for multiple levels of business.
  • Ability to obtain and maintain any additional clearances as required.

Qualifications:

  • Bachelor’s Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.
  • Required active Secret clearance.
  • IAM Level III Certification (CISSP, CISM etc.)
  • Proven successful experience with DCSA Information system assessments, approvals and monitoring.
  • Established team leadership skills, with experience leading and collaborating in a multi-disciplinary, diverse, and dynamic team environment.

Preferred Skills (beyond required):

  • Relevant experience with various operating systems (e.g. Windows, Linux, UNIX, Solaris, Cisco), Windows server systems, system virtualization, and other related peripherals.
  • Experience with SPLUNK, Security Center/Nessus, and other software/systems
  • Experience with configuration/certification and auditing/analysis of Windows, Linux, UNIX systems to include stand-alone IS, peer-to-peer networks, LANs/WANs and interconnections.
  • Excellent communication skills (written, verbal, & presentation).
  • Experience with technical configuration standards relating to information system security.

#LI-TD4

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

Posted 2026-07-06

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