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Senior Specialist, Systems Engineer Secret Security Clearance

L3Harris


Job Location:

Palm Bay, FL - USA

Monthly Salary: Not provided by the employer
Posted: 12 August 2026 (23 days ago)
Application Deadline: 24 November 2026
Vacancies: 1 Vacancy

Job Summary

Job Title: Senior Specialist Systems Engineer - Secret Security Clearance

Job Code: 42474

Job Location: Palm Bay 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:

As a System Engineer you will support missioncritical initiatives across several emerging mission this role you will help architect mission concepts and solutions define system requirements develop CONOPS and use cases and create/manage systems engineering artifacts across the full system lifecycle.

This role includes onsite support at Patrick Space Force Base (PSFB) and requires close collaboration with product owners and multidisciplinary engineering teams to deliver endtoend architectural solutions that meet evolving mission needs.

Essential Functions:

  • Architect mission concepts and solutions; develop system CONOPS and use cases.
  • Generate system requirements managed requirements decomposition and traceability.
  • Collaborate with product owners to capture evolving requirements and refine system concepts.
  • Produce and maintain system diagrams interface drawings and system engineering artifacts.
  • Support design reviews readiness reviews and crossteam coordination to ensure mission objectives are met.
  • Create and manage lifecycle system documentation and artifacts for endtoend mission solutions.
  • Lead system end-to-end integration verification and lab infrastructure and activities.
  • Work with multidisciplinary engineering teams to align implementation approaches with systemlevel design and mission needs.
  • Contribute to system integration planning and risk identification.
  • Apply strong communication and leadership skills to influence technical direction across teams.

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.
  • Active Secret Security Clearance

Preferred Additional Skills:

  • Active TS/SCI
  • 5 years systems engineering experience
  • Knowledge of system architecture and design
  • Experience with Defense standard development cycles phases and gate reviews
  • Experience supporting complex mission or system development environments.
  • Experience with Digital Engineering (MBSE Cameo SysML)
  • Strong background in systems engineering including requirements definition and system architecture.
  • Experience with cloudbased solutions.

#LI-EK1


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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