Principal Software Systems Engineer

Plano, TX, United States

L3 Technologies is a leading provider of a broad range of communication, electronic and sensor systems used on military, homeland security and commercial platforms. L3 is also a prime contractor in aerospace systems, security and detection systems, and pilot training.

Electronic Systems (ES), headquartered in Arlington, Texas, is one of four L3 business segments, and provides a broad range of components, products, subsystems, systems and related services for military and commercial customers. We are searching for aPrincipal Software Systems Engineer in our Advanced Systems & Technologies (AS&T;) located in Plano, TX.

L3 AS&T; is built on the proposition that a small team of the right people can do what others will not even attempt. Our mission is simple — provide customers with products and services that are industry-leading, innovative and affordable. L3 AS&T; specializes in developing disruptive, next-generation technologies for advanced small UASs, affordable radar systems, weapon systems and RF sensor technologies. With small company agility and big company experience, L3 AS&T; has earned a reputation for providing disruptive technologies at a faster pace than traditional DoD contractors. If you like the idea of hands-on experience designing, building, testing and fielding new technology at a fast pace and supporting the vital missions of our warfighters, then L3 AS&T; may be the company for you.

Job Summary:

Responsible for software and programmable logic system architecture. Lead a software systems engineering team in development, implementation, testing and analysis of technical products and systems.

Major Responsibilities/Activities Statements:

  • Software System architect
  • Software/PL requirements definition, flow-down and traceability for complex electronic systems
  • System design synthesis of simple systems
  • Define processing architecture to include FPGA and GPU based processing
  • Lead verification of software/PL requirements
  • Develop and run simulations and other analysis tools to predict system performance in various environments
  • Present results during internal and external program meetings
  • Use judgment to plan cost and schedule of minor activities
  • Develop, track and present technical metrics
  • Support risk assessment and development of mitigation strategies
  • Developing processes and standards for software/PL architectures
  • Other duties as assigned

Job Requirements:

Required Experience:

  • Minimum of 10 years of experience in a related engineering field with some systems engineering experience. Preferably in complex system development
  • Design, development and/or testing of radar or sensor processing
  • Experience with radar system components including antenna, receiver, exciter, and processor
  • Requirements definition, flow-down and traceability
  • Software architecture, design, development and test experience
  • Model Based System Engineering
  • Micro Services Architecture
  • Exposure to programmable logic design flow, including pinout definitions, code generation and timing closure.
  • Continuous Integration
  • Defense industry experience
  • Design to cost
  • Working knowledge of military standards

Required Skills:

  • Excellent problem solving skills
  • Proficient with Matlab and C, C++, Python
  • Excellent people skills to include collaborating in a multi-disciplinary, diverse, and dynamic team environment
  • Outstanding work ethic and commitment to organizational success
  • Proficient with Microsoft Office products
  • Excellent communication skills (written, verbal, & presentation)

Other Requirements:

  • U.S. Citizenship
  • Existing DoD clearance with current 5-year update
  • Ability to obtain any additional clearances as required


  • Inside knowledge of FPGA capabilities, limitations, and applications.
  • Proficient with VHDL or Verilog
  • Familiarity with DOORs
  • Familiarity with Radar processing modes

Educational Requirements: Physical Requirements:

  • Bachelor’s degree in Engineering or Science
  • Master’s degree desired
  • Ability to lift up to 20 lbs.
  • Ability to travel up to 10%

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