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Principal Software Infrastructure Engineer

RTX

$101,000 - $203,000
Sep 5, 2025
Tewksbury, MA, USA
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Raytheon is seeking a Principal Software Engineer to lead the design, development, and integration of embedded software and infrastructure for distributed, real-time systems for critical defense programs.

Requirements

  • Experience with real-time OSes such as Linux, VxWorks, LynxOS
  • Scripting experience in Python or Bash
  • Experience with network protocol configuration
  • Experience with infrastructure code (e.g., kernel modules, thread auditing)
  • Experience with debugging tools, performance profiling, and system integration
  • C/C++ development experience.
  • Experience with CI/CD pipelines (e.g., Jenkins, GitLab, Bamboo, Travis)

Responsibilities

  • Provide technical leadership in configuring, managing, and developing infrastructure and COTS components in embedded systems
  • Diagnose and resolve complex system-level issues using industry-standard tools and best practices
  • Develop, test, and integrate embedded software components (OS, network stacks, bootloaders, etc.)
  • Contribute to the technical roadmap and participate in design reviews and strategic planning
  • Automate workflows and pipelines using DevSecOps tools and Agile methodologies
  • Collaborate across engineering, program management, and cross-functional teams
  • Produce clear, concise documentation for software processes, integration, and design

Other

  • Active and transferable U.S. government issued security clearance is required prior to start date.
  • U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
  • Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of experience.
  • Ability to obtain and maintain an interim secret U.S. security clearance prior to the start date.
  • Onsite: Employees who are working in Onsite roles will work primarily onsite.