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Raytheon Logo

Sr. Principal Embedded Real-time Software Engineer

Raytheon

$124,000 - $250,000
Sep 19, 2025
Tucson, AZ, US
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Raytheon is looking to solve tough, meaningful problems that create a safer, more secure world by developing software applications, including integration and test on missiles, launchers, radars, naval systems, fire control and other complex systems. The Senior Principal Embedded Real-Time Software Developer/Integrator will architect, design, implement, test, debug, and deploy Software for Firmware (FPGA) and Hardware solutions that meet current and next generation autonomous avionics systems’ needs.

Requirements

  • Experience including at least two of the following: Embedded C++ Software, Embedded Software Security, Software Architecture Design and Implementation.
  • Experience using embedded Real Time Operating Systems (RTOS) (e.g., Green Hills, Integrity, Wind River VxWorks, Linux, etc.)
  • Experience developing complex systems involving the integration of hardware, firmware, and software
  • Familiarity with rate monotonic theory, practice, and limitations.
  • Familiarity with layered architectural principles, and their limitations.
  • Familiarity with reading electrical schematics and relating it to software function.
  • Familiarity with reading firmware source like VHDL or Verilog.

Responsibilities

  • Architecting, designing, implementing, testing, and debugging integrated embedded real-time software within heterogenous systems composed of firmware and hardware.
  • Working within a cross-discipline team to define, refine, and improve product concept, implementation, testability, and guaranteed, measurable quality.
  • Teaching, coaching, and mentoring less experienced staff.
  • Contributing to proposals as well as preliminary and critical design reviews.
  • Ability to obtain program access.

Other

  • Active and transferable final Secret U.S. government issued security clearance is required prior to start date with the ability to obtain program access after start.
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.
  • Working with a cross-discipline team, the candidate must have experience developing, testing, and integrating software for edge or embedded devices and/or subsystems (like telecom, medical, IoT, automotive, or robotics) where hardware operation, time critical function, functional reliability, mission assurance, and safety might be major concerns.
  • The successful candidate will work with Product Owners, Chief Engineers, Management and other IPT members using Lean and/or Agile practices to ensure that embedded software is designed and developed to reliably operate toward the intended functions.