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Senior Specialist, Information Security Systems Engineer

L3Harris Technologies
United Statesfull_timeVerifiedPosted 20 Aug 2026
💰 $171,500/yr($92,500/yr$171,500/yr)

About the role

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: Senior Specialist, System Security Engineer - Secret Clearance

Job Code: 43113

Job Location: Palm Bay, FL or Rochester, NY 

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

 

Job Description:

Applies current Systems Security Engineering methods, practices, and technologies to the architecture, design, development, evaluation, and integration of systems and networks to maintain system security. Works closely with Government customers to ensure that the security protection needs, concerns, and requirements are defined and implemented with appropriate fidelity and rigor, early and in a sustainable manner throughout the life cycle of system that will allow for the security authorization of the system of interest. Works with systems developers or commercial product vendors in the design and evaluation of state-of-the-art secure systems, networks, and database products. Uses methods such as encryption technology, vulnerability analysis, and security management. Responsible for integration of multiple methods into a cohesive system security perimeter and environment and the policies and procedures necessary to monitor and maintain such an environment. Will prepare Certification and Accreditation documentation, using multiple standards under RMF and derivative processes (DOD 8510, JSIG, ICD-503, CNSSI 1253), to achieve security authorization of supported systems. Represents program security needs, concerns and requirements at customer meetings.

 

Essential Functions:

  • Program Protection and System Security Engineering experience to include support of accreditation activities. 
  • Lead the development and implementation of System Security Engineering throughout the System Development Lifecycle.
  • Assess systems for Critical Program Information (CPI).
  • Conduct trade studies and develop System Security Engineering requirements.
  • Assess threats via attack/countermeasure analysis.
  • Conduct Verification and Validation activities.
  • Use DoD 5200.39 for the identification and protection of CPI.
  • Engineer trustworthy and secure systems in accordance with NIST 800-160.
  • Develop and implement comprehensive Program Protection Plans (PPP) to safeguard critical program information (CPI) and technologies.
  • Draft Program Protection Plans (PPPs), Cybersecurity Strategies, Security Classification Guides (SCGs), and System Security Engineering Plans.
  • Interact with customers to define System Security Engineering requirements, solutions, trades, costs, implementation, system impacts, and effectiveness.
  • Experience with DOD 5200.39.
  • Experience in Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard body of evidence (BoE) package development. 
  • Experience with A&A package processing and RMF accreditation of Platform IT (PIT) systems 
  • Assess security and privacy controls in embedded systems using NIST 800-53 
  • Experience in DoD software selection and approval processes for COTS, GOTS and FOSS. 
  • Support security engineering activities, including basis of estimate development, requirements development, design, test, configuration management and maintenance of information systems and data. 
  • Assist program security in the development of policies and procedures for emerging security technologies. 
  • Collaborate with customers, internal program teams, and leadership

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Company

L3Harris Technologies

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