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L3Harris Technologies

Global defense contractor delivering aerospace tech

Lead Software Engineer

Embedded EngineeringPosted on Nov 10
Full-timeRemote in USA

About the Job

Requirements

  • A bachelor's degree and at least 9 years of relevant experience, or a graduate degree and at least 7 years of related experience; 13 years of related experience may substitute for a degree.
  • An active Secret U.S. security clearance.
  • Experience with embedded security and encryption.
  • Ability to work with network storage and knowledge of Gigabit Ethernet or InfiniBand.
  • Working knowledge of authentication schemes from Radius to LDAP.
  • Relevant integration and test experience on complex military systems.
  • Software leadership experience such as CSWE, IPTL, or CAM experience.
  • Experience with hardware and software integration and test.
  • DevSecOps and test automation experience using Python or similar languages.
  • Experience with APIs, BSPs, drivers, OpenGL and/or Vulkan, health and status, PTPv2, H.264, or ARINC-818.
  • At least 8 years of embedded development or C++ systems development, including understanding of software/hardware co-design, distributed systems design, and software/computer architecture.
  • At least 6 years of avionics lifecycle execution experience.
  • At least 5 years of safety-critical software development experience and knowledge of DO-178B or later industry standards.
  • Working knowledge of Bash or Python, Intel x86, ARM, FPGA, SoC, GPP, GPU, embedded system design, release engineering, change and configuration management, debug/trace analysis, real-time operating systems such as VxWorks, LynxOS, or Integrity, SELinux, software integration, test, and verification/validation.
  • Full software development lifecycle experience, including requirements flow-down and decomposition, design allocation, coding, hardware/software integration, design verification and product qualification, production transition, fielded product support, and changes for component obsolescence.
  • Familiarity with a Linux development environment and tools.

Responsibilities

  • Develop software using existing tools, including C and C++.
  • Perform requirements, testing, systems architecture, software architecture, and design work.
  • Use test frameworks, potentially including Python, and software coverage tools.
  • Support the mission systems integration architecture and customer deployments.
  • Work with cross-functional engineering team members to develop and evaluate hardware/software interfaces, operational performance requirements, and overall system design.
  • Support program meetings at the customer site in St. Louis, Missouri, if serving in a software leadership role; travel may be required.

Desired Qualifications

  • Experience with embedded security and encryption.
  • Ability to work with network storage and knowledge of Gigabit Ethernet or InfiniBand.
  • Working knowledge of authentication schemes from Radius to LDAP.
  • Relevant integration and test experience on complex military systems.
  • Software leadership experience such as CSWE, IPTL, or CAM experience.
  • Experience with hardware and software integration and test.
  • DevSecOps and test automation experience using Python or similar languages.
  • Experience with embedded development, APIs, BSPs, drivers, OpenGL and/or Vulkan, health and status, PTPv2, H.264, ARINC-818, C++ systems development, avionics lifecycle execution, and safety-critical development to DO-178B or later standards.
  • Working knowledge of Bash or Python, Intel x86, ARM, FPGA, SoC, GPP, GPU, embedded system design, release engineering, change and configuration management, debug/trace analysis, real-time operating systems, SELinux, software integration, test, and verification/validation.
  • Full software development lifecycle experience and familiarity with Linux development environments and tools.

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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