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L3Harris Technologies

Global defense contractor delivering aerospace tech

Lead Information Security Systems Engineer

Security Engineering & ArchitecturePosted on Nov 5
Full-timeClifton, NJ, USA

About the Job

Requirements

  • A bachelor's degree and at least nine years of prior relevant experience, or a graduate degree and at least seven years of prior related experience; alternatively, at least 13 years of prior related experience in lieu of a degree.
  • A TS/SCI security clearance.
  • Ability to obtain and maintain a Department of Defense 8140 certification or NIST 800-181 certification appropriate for the position within six months of starting.
  • Experience leading programs through Risk Management Framework accreditation and authorization processes, including steps 1–4: categorization, control selection, control implementation, and security assessment, and developing standard Body of Evidence packages.
  • Experience processing accreditation and authorization packages.
  • Experience with Risk Management Framework accreditation of Platform IT systems.
  • Experience configuring and using cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • Experience with Department of Defense software selection and approval processes for commercial off-the-shelf, government off-the-shelf, and free and open-source software.
  • Experience with security testing and verification.
  • Experience as a Control Account Manager using Earned Value Management System tools.
  • Experience as an Integrated Product Team Lead.

Responsibilities

  • Lead assessment activities for security and privacy controls in embedded systems using NIST 800-53.
  • Support security engineering activities, including basis-of-estimate development, requirements development, design, testing, configuration management, and maintenance of information systems and data.
  • Assist program security in developing policies and procedures for emerging security technologies.
  • Support evaluation, qualification, testing, and delivery of security architecture improvements, obsolescence replacements, and vulnerability response projects.
  • Lead the development and implementation of anti-tamper measures throughout the system development lifecycle, including assessing systems for Critical Program Information, conducting trade studies, developing anti-tamper requirements, implementing security architectures, assessing threats through attack/countermeasure analysis, and conducting verification and validation activities.
  • Serve as a subject-matter expert in anti-tamper.
  • Use Department of Defense 5200.39 to identify and protect Critical Program Information.
  • Engineer trustworthy and secure systems in accordance with NIST 800-160.
  • Draft Program Protection Plans, Cybersecurity Strategies, Security Classification Guides, and Anti-Tamper Plans.
  • Interact with customers to define anti-tamper requirements, solutions, trade-offs, costs, implementation, system impacts, and effectiveness.
  • Represent program security needs, concerns, and requirements at customer meetings.

Desired Qualifications

  • NSA Type 1 certification of cryptographic high-assurance devices.
  • Experience with NSA High Assurance products and IASRD and SERD requirements.
  • Experience using Department of Defense 5200.39 to identify and protect Critical Program Information.
  • Experience engineering trustworthy and secure systems in accordance with NIST 800-160.
  • An active TS/SCI security clearance is highly desired.

About the Company

L3Harris Technologies

Global defense contractor delivering aerospace tech

L3Harris Technologies provides advanced aerospace, defense, and space systems for governments and commercial customers. Its products include sensors, communications, and propulsion—such as tactical radios, night-vision gear, satellite payloads, missile defense, and space propulsion—delivered as integrated systems for operations across air, land, sea, space, and cyber domains. The company blends legacy technologies from two joining giants with newer capabilities, faster acquisition cycles, and a focus on missiles, space, and resilient communications to field solutions quickly. Its goal is to be a trusted, scale-ready provider of next‑generation defense and intelligence capabilities for national security and related customers.

Company size
10,001+
Company stage
IPO
Headquarters
Melbourne, FL
Founded
1895

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