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L3Harris Technologies

Global defense contractor delivering aerospace tech

Scientist – Systems Engineer

Engineering ManagementPosted on Nov 11
Full-timeChantilly, VA, USA$153k - $284kIn-person

About the Job

Requirements

  • A bachelor's degree and at least 12 years of prior relevant experience, or a graduate degree and at least 10 years of prior related experience; alternatively, at least 16 years of prior related experience in lieu of a degree.
  • An active TS/SCI with polygraph clearance.
  • Ability to interpret or generate a Concept of Operations (CONOPS) or Operational Descriptions Document (ODD).
  • Knowledge of system architecture principles and sufficient background in proposed technology to assess high-level performance requirements.
  • Ability to develop innovative solutions and work broadly across technical domains, engaging subject matter experts as needed.
  • Strong professional verbal and written communication skills.
  • Knowledge of customer mission needs and the industry base, and business acumen with knowledge of L3Harris technical competencies.

Responsibilities

  • Provide consultative-level technical direction and guide multidisciplinary teams delivering end-to-end system solutions in complex mission environments.
  • Collaborate with customers, product owners, and engineering teams to ensure system architectures meet evolving mission needs.
  • Architect mission concepts, define system requirements, and develop CONOPS, use cases, and systems-engineering artifacts across the full system lifecycle.
  • Support operational analysis and develop concepts of operation, designs, and implementation plans.
  • Support requirements development, analysis, and management, including mission-operations requirements.
  • Coordinate with mission planners and operational users.
  • Use software tools and scripting, and perform software and hardware troubleshooting.
  • Support development and evaluation of complex system designs and architectures.
  • Develop and deliver presentations communicating design activity plans and status to internal and external customers.
  • Conduct Design Reference Mission analysis and use validation techniques and tools.
  • Develop, define, evaluate, and validate architectures and model-based systems engineering (MBSE).
  • Align solutions within a portfolio of products.

Desired Qualifications

  • A master's degree in Systems Engineering, Optical Engineering, Mechanical Engineering, or a related engineering discipline.
  • Experience in systems engineering for complex mission-system development programs.
  • Experience leading technical execution across the full product lifecycle, including requirements, architecture, integration, verification, validation, and sustainment.
  • Experience translating customer needs into system-level solutions while balancing technical, cost, schedule, and risk considerations.
  • Experience developing, deriving, allocating, and managing system, hardware, and software requirements.
  • Experience with interface definition, requirements traceability, verification planning, and technical problem resolution.
  • Experience leading cross-functional teams and supporting technical reviews, customer interactions, and proposal activities.
  • Experience with DOORS or an equivalent requirements-management tool.
  • Experience developing technical and/or cost proposals.
  • Experience using earned value management systems to support program planning and performance measurement.
  • Experience developing, maintaining, and executing integrated master schedules.
  • Experience supporting programs with multi-level security, cybersecurity, or information-assurance requirements.

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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