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Senior Software Development Engineer

RTX

$82,000 - $164,000
Sep 5, 2025
Tewksbury, MA, USA
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Raytheon is seeking a Senior Software Development Engineer to develop complex systems in various software languages, focusing on creating high-performance applications and solving tough, meaningful problems for national defense.

Requirements

  • Experience in developing complex systems and applications using C/C++, Java, Python and other object-oriented programming language.
  • Experience in a Unix/Linux operating system.
  • Experience with data structures, algorithms, and software design principles, particularly in high-concurrency and distributed systems.
  • Experience with multithreading, memory management, and performance optimization in complex environments.
  • Experience with Network Communication Protocols, Shell Scripting (tcsh, csh, bash), software development tools like Git/Clearcase, software debuggers, and using embedded RTOSs (e.g. VxWorks, Integrity).
  • Experience in embedded systems, real-time systems, or large-scale applications.

Responsibilities

  • Design, develop, and maintain software applications using C/C++, Java, and Python for complex systems and applications.
  • Develop, upgrade, and maintain linux-based proprietary system and utility applications
  • Collaborate with cross-functional teams to define, design, and implement new features, ensuring system integration and scalability.
  • Troubleshoot, debug, and optimize existing code for performance and efficiency in complex environments.
  • Write and maintain comprehensive documentation for software applications, including system architecture and design specifications.
  • Participate in code reviews and ensure adherence to coding standards and best practices.
  • Stay current with industry trends and advancements in C/C++, Java, and Python technologies, especially in relation to complex systems.

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
  • Light travel and off hours testing (2nd or 3rd shift) may occasionally be required.
  • This position requires exclusive onsite presence.
  • The ability to obtain and maintain an interim secret U.S. security clearance prior to the start date.