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Senior Specialist, Information Security Systems Engineer 1

L3Harris


Job Location:

Palm Bay, FL - USA

Monthly Salary: $ 92500 - 171500
Posted: 22 August 2026 (12 days ago)
Application Deadline: 19 November 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Senior Specialist System Security Engineer - Secret Clearance

Job Code: 43117

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:

  • Certification of Cryptographic High Assurance Devices.
  • Experience with High Assurance products IASRD and SERD requirements.
  • Experience in configuration and use of cyber defense and vulnerability assessment tools such as ACAS and SCC.
  • Assess security and privacy controls in embedded systems using NIST 800-53.
  • Utilize Risk Management Framework (RMF) accreditation and authorization (A&A) processes including RMF steps 1-4 (categorization controls selection control implementation security assessment) and standard body of evidence (BoE) package development.
  • A&A package processing.
  • RMF accreditation of Platform IT (PIT) systems.
  • Collaborate with customers internal program teams and leadership to address needs.
  • Provide DoD software selection and approval processes for COTS GOTS and FOSS.
  • Support security engineering activities including basis of estimate development requirements development design testing configuration management and maintenance of information systems and data.
  • Collaborate with customers internal program teams and leadership to address program needs.
  • Assist program security in the development of policies and procedures for emerging security technologies.
  • Support the evaluation qualification testing and delivery of security architecture improvements obsolescence replacements and vulnerability response projects.
  • Work is to be accomplished 100% onsite in a lab environment with no options for remote support.
  • Qualifications:
  • Bachelors Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related lieu of a degree minimum of 10 years of prior related experience.
  • Minimum of Collateral Secret security clearance required.

Preferred Additional Skills:

  • Prior or current experience with developing and High Assurance Device certification on embedded systems
  • Prior or current experience with Risk Management Frame A&A on embedded systems.
  • Prior or current experience with the development and implementation of System Security Engineering for the protection of CPI 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.
  • Top Secret / SCI with an active Poly is highly desired.

In compliance with pay transparency requirements the salary range for this role in New York state is $92500 - $171500. This is not a guarantee of compensation or salary as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits including health and disability insurance 401(k) match flexible spending accounts EAP education assistance parental leave paid time off and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire schedule type and the applicability of collective bargaining agreements.

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Required Experience:

Senior IC


About Company

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At L3Harris, we anticipate and mitigate risk with agile end-to-end solutions that meet our customers' mission-critical needs across all domains.

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