Demo

Specialist, Information Systems Security

L3Harris and Careers
Melbourne, FL Full Time
POSTED ON 3/4/2026
AVAILABLE BEFORE 5/3/2026

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 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: Specialist, Information Systems Security Engineer

Job Code: 33968

Job Location: Melbourne, FL

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off


Job Description:

L3Harris is seeking experienced Information Security Systems Engineering (ISSE) professionals to join the Network Security Engineering Team, supporting managed network infrastructures for federal government and other customers. This position is part of the Internal Research and Development (IRAD) team, focused on advancing new technologies and business opportunities for the company. The role offers a dynamic work environment, with responsibilities including the development of security architecture for managed networks and conducting research on advanced security-related topics. This is a 100% on-site position at the L3Harris offices in Melbourne, Florida. Remote work is not permitted.


Essential Functions:

  • Support Security Systems Engineering efforts on IRAD initiatives by developing network security architecture, selecting new technologies, and conducting research on advanced security topics.
  • Develop, maintain, and publish technical documentation and white papers in alignment with L3Harris Systems Engineering standards.
  • Ability to obtain a FAA Public Trust Clearance.


Qualifications:

  • Bachelor’s degree with a minimum of 4 years of relevant experience, or a Graduate degree with 2 years of relevant experience. In lieu of a degree, 8 or more years of directly related experience will be considered.


Preferred Additional Skills:

  • 4 years of hands-on experience in Network and Platform Security.
  • 1 year of hands-on experience in Cloud Security (AWS, Google Cloud, Azure, etc.).
  • Strong knowledge of cloud security principles.
  • Solid understanding of Zero Trust principles with some hands-on implementation experience.
  • Extensive experience in cloud environments is strongly preferred.
  • In-depth experience with networking technologies.
  • Experience configuring and supporting enterprise networks and associated devices.
  • Familiarity with applying NIST and FISMA controls tailored to specific customer requirements.
  • Industry certifications such as CCNA, CCNP, CISSP, CompTIA Security , or related credentials.


#Li-DK2


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.

Salary.com Estimation for Specialist, Information Systems Security in Melbourne, FL
$79,084 to $95,990
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