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Specialist, Cyber Intelligence – ISSO

Greenville, Texas
Full Time On-site

Summary

Job Description

L3Harris Greenville, Texas, is seeking an Information System Security Officer (ISSO) in support of Air Force Intelligence Community (AFIC) programs. Duties for successful candidates include the performing of vulnerability and network scans under the guidance of the Information System Security Manager (ISSM) on assigned government-authorized systems.  Will be responsible for updating all pertinent documentation for assigned information systems.  The candidate must be knowledgeable on a variety of security tools including Tenable Nessus, Clam AV, Trellix, ELK Stack or similar security tools.  Additionally, the ISSO must be able to create and interpret scan reports and recommend prioritized remediation plans.  Ability to script and develop parsing tools preferred, such as BASH script, Python, PowerShell script, etc.

Essential Functions:

  • Execute scans, generate reports, interpret results, and recommend remediation plans.
  • Prepare, review, and maintain authorization documentation, including System Security Plans (SSPs), Security Assessment Reports (SARs), Plans of Action and Milestones (POA&Ms), risk assessments, and supporting artifacts.
  • Interpret and implement cybersecurity requirements in accordance with RMF, NIST, CNSSI, JSIG, DoD, or other applicable government frameworks and customer directives.
  • Execute Continuous Monitoring Plans.
  • Support Security Test and Evaluation (ST&E) activities, including planning, preparation, execution support, analysis of results, and reporting of findings.
  • Interface with system managers and Information Technology (IT) personnel to track and resolve identified vulnerabilities.
  • Create, maintain, and update documentation.
  • Develop new concepts or standards which make significant and impactful improvements to processes, systems, solutions, or products.
  • Communicate cybersecurity risks, requirements, and compliance status to technical and non-technical stakeholders, including leadership, customers, and external assessors.
  • Flexibility to adjust to changing requirements, schedules, and priorities.
  • Ability to obtain and maintain any additional clearances as required.

Qualifications:

  • Bachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience.
  • Proven experience with accreditation systems such as XACTA, EMASS, SNOW.
  • Proven experience with office tools to include but not limited to Microsoft Word, Visio, Excel and Adobe Acrobat.
  • Experience working and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
  • CompTIA Security+ CE or equivalent certification or ability to achieve certification within 6 months of selection (IAT Level 2)
  • Active Top Secret security clearance.

Preferred Skills (beyond required):

  • Experience with XACTA and XACTA.io
  • 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.
  • Experience interpreting vulnerability scanning and security log results (Nessus, ACAS, Splunk)

#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.

About L3 Harris

L3 Harris

L3 Harris is one of the largest defense and aerospace companies in the United States, delivering advanced technologies that support missions across air, land, sea, space, and cyber domains. The company develops communications systems, space payloads, intelligence platforms, electronic warfare capabilities, missile defense technologies, and mission-critical sensors used by the U.S. military, intelligence community, and allied nations around the world.

For job seekers, L3Harris offers opportunities across engineering, software development, cybersecurity, space systems, manufacturing, intelligence, program management, and mission operations. The company is especially attractive to veterans, cleared professionals, and engineers who want to work on advanced technologies that directly support national security. With programs spanning tactical communications, ISR platforms, satellite systems, and defense electronics, employees have the opportunity to contribute to some of the military’s most important capabilities.

Unlike companies focused on a single mission area, L3Harris operates across a diverse portfolio of defense technologies, providing employees exposure to a broad range of programs and technical disciplines. Teams work on everything from secure communications and autonomous systems to space-based sensors and electronic warfare platforms, creating opportunities for both specialization and long-term career growth within the organization.

As governments continue investing in modernization, space capabilities, resilient communications, and advanced sensing technologies, L3Harris remains one of the most important employers in the defense industry. For professionals seeking a mission-driven career with strong growth opportunities, technical challenges, and direct impact on global security, L3Harris continues to stand out as a leading destination in aerospace and defense.

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