Inactive
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L3Harris Technologies

Global defense contractor delivering aerospace tech

Lead Information Security Systems Engineer

Security Engineering & ArchitecturePosted on Nov 11
Full-timePalm Bay, FL, USANo salary listed

About the Job

Requirements

  • Bachelor’s degree and a minimum of 9 years of prior relevant experience, or a graduate degree and a minimum of 7 years of prior related experience; in lieu of a degree, a minimum of 13 years of prior related experience.
  • Active collateral Secret security clearance is required.
  • 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 and development of a standard Body of Evidence package.
  • Experience processing accreditation and authorization packages.
  • Experience accrediting Platform IT systems through the Risk Management Framework.
  • 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 as a Control Account Manager using Earned Value Management System tools.
  • Experience as an Integrated Product Team Lead.
  • Experience in security testing and verification.

Responsibilities

  • Apply systems security engineering methods, practices, and technologies to the architecture, design, development, evaluation, and integration of systems and networks to maintain system security.
  • Work with customers throughout system lifecycles to define and implement security protection needs and requirements at the rigor necessary for system authorization.
  • Work with systems developers or commercial product vendors to design and evaluate secure systems, networks, and database products using encryption technology, vulnerability analysis, and security management methods.
  • Integrate security methods into a cohesive system security perimeter and environment, and implement policies and procedures to monitor and maintain that environment.
  • Prepare Certification and Accreditation documentation using industry standards including DITSCAP, NIACAP, DCID 6/3, Common Criteria, and NIST 800-37 to achieve security authorization of supported systems.
  • Represent program security needs, concerns, and requirements at customer meetings.
  • 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.
  • Work onsite in a laboratory environment with no remote-support option.

Desired Qualifications

  • NSA Type 1 Certification of cryptographic high-assurance devices.
  • Experience with NSA High Assurance products and IASRD and SERD requirements.
  • Lead development and implementation of Anti-Tamper 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.
  • 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.
  • Draft Program Protection Implementation 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.
  • Ability to obtain a Top Secret clearance; active TS/SCI 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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