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Sr. Software Engineer

L3Harris

$109,500 - $203,500
Oct 8, 2025
Columbia, MD, US
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L3Harris Technologies is seeking a Sr. Specialist, Software Engineer to support the development of embedded software for radio and other communications products, with an emphasis on cryptographic subsystem (CSS) software development, to meet mission-critical needs in the defense industry.

Requirements

  • Experience with embedded C++/C, Agile Scrum, and DevOps-based software development is expected.
  • 4+ years experience developing and testing software developed in C or C++.
  • 4+ years experience with OOA/OOD software development methodology.
  • 4+ years experience in full development lifecycle for software projects.
  • 4+ years of experience producing software development documents, such as design documents and test plans.
  • Experience developing bare metal software on an embedded microprocessor in C or C++.
  • Experience designing and developing device drivers.

Responsibilities

  • Research, design, develop, modify and evaluate embedded computer software for electronic equipment or other communications systems in conjunction with hardware product development.
  • Deliver the assigned portion of the entire product development cycle in an Agile Scrum environment including system/software requirements analysis, high level and detailed design, implementation, testing, integration, documentation, and government certification of embedded software designs.
  • Determine design approaches and parameters.
  • Analyze software requirements to determine feasibility of design within time and cost constraints.
  • Analyze equipment to establish operating data, conduct experimental tests and evaluate results.
  • Perform detailed analysis including: requirements analysis, use case scenarios, conceptual design, trade studies, test, operation, maintenance, and reliability analysis of radio communications products, internal subsystems, and external systems.
  • Perform the functional analysis, requirements allocation and technical interface definition to translate customer requirements into software development specifications for the radio and associated subsystems.

Other

  • Highly motivated, a self starter, and able to operate with little supervision in diverse environments.
  • Demonstrated ability to analyze and debug software and related hardware issues.
  • Active Secret U.S. DOD Security Clearance (or inactive for less than 2 years).
  • Ability to obtain a security clearance.
  • Must meet eligibility requirements for access to classified information.