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HWIL Principal Software Engineer

RTX

$101,000 - $203,000
Aug 25, 2025
Tucson, AZ, USA
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Raytheon is seeking software engineers to develop software architecture, design, code, test, and integrate across test systems to help the nation and allies defend freedoms and deter aggression.

Requirements

  • Experience with software development in C++, using object-oriented features
  • Comprehensive understanding of the products supported by the HWIL (Hardware-in-the-Loop) department
  • Experience contributing to the design, development and/or integration of the test equipment and/or hardware (software that controls complicated hardware systems)
  • Experience with Software Agile Process
  • Experience developing software using Linux operating systems
  • Comprehension knowledge of Earned Value Management System (EVMS)
  • Existing SSBI clearance

Responsibilities

  • Collaborate with a multi-disciplinary team to develop software to control Hardware-In-the-Loop (HWIL) facilities (flight simulators for missiles)
  • Software design, coding and integration in a real-time environment
  • Map requirements to measure results as part of performing integration
  • Development and integration of software for a Hardware-in-the-Loop (HWIL) system
  • Contribute to the design, development and/or integration of the test equipment and/or hardware (software that controls complicated hardware systems)
  • Experience with Software Agile Process
  • Experience developing software using Linux operating systems

Other

  • Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of relevant software development experience
  • Active and transferrable US government issued Secret security clearance is required prior to start date. US citizenship is required, as only US citizens are eligible for security clearance
  • Ability to obtain a Single Scope Background Investigation (SSBI) security clearance
  • Travel up to 20% to support development and/or delivery of our test environment equipment
  • Strong organization, coordination, planning, teaming skills, as well as written and oral communication skills