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Specialist, Information Security System Engineer

Jobs via Dice
Greenville, TX Full Time
POSTED ON 12/20/2025
AVAILABLE BEFORE 1/19/2026
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 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: Specialist, Information Security System Engineer

Job Code 28626

Job Location: Greenville, Texas (100% On-site)

Schedule: 9/80

Must hold an ACTIVE DoD TS/SCI Security clearance which requires ship.

Job Description:

L3Harris Technologies is seeking an Information Security Systems Engineer to join our Sensor Infrastructure team. The ideal candidate possesses experience with vulnerability scanning, compliance, and documentation. Familiarity with requirements writing, Security Impact Assessments (SIA), and preparation of technical briefing material is a plus!

Essential Functions:

  • Work cross-functionally to ensure security requirements are addressed throughout the mission system development lifecycle.
  • Perform security compliance scans, vulnerability analysis, and drive identified issues resolution.
  • Develop and maintain ATO Body of Evidence artifacts.

Qualifications:

  • Bachelor's Degree and minimum 4 years of prior relevant experience.
  • Graduate Degree and a minimum of 2 years of prior related experience.
  • In lieu of a degree, minimum of 8 years of prior related experience.
  • Experience with classified media handling, marking, and control.
  • Experience with Windows, LINUX, and UNIX-based and how to secure operating systems.
  • Familiarity with Risk Management Framework and NIST publications.
  • Must hold an ACTIVE DoD TS/SCI Security clearance which requires ship.

Preferred Additional Skills:

  • Experience or proficiency with Linux administration, Bash scripting, Python, Windows PowerShell, Windows administration, Nessus, Wireshark, Nmap, ELK Stack.
  • Excellent understanding of linux systems audit logs and analytics tools.
  • Candidate should understand basic networking and familiarity with NIST publications.
  • Certifications - Sec , CySA, CASP, CISSP.
  • CI Poly strongly preferred.

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. 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 .

Salary.com Estimation for Specialist, Information Security System Engineer in Greenville, TX
$96,365 to $119,898
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