Senior Principal Software Engineer (Onsite)
RTXHuntsville, Alabama, United States
Posted March 23, 2026
132400 - 251600 USD
Full Time
About the Company
RTX is comprised of three market-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – working as one to answer the biggest questions and solve the hardest problems in aerospace and defense.
Job Description
We are seeking a Senior Principal Software Engineer to support one or more phases of the System Development Life Cycle (SDLC) - requirements, design, development (using C and C++), test, validation, and maintenance. As a Senior Principal Software Engineer, you will collaborate with cross-functional, agile teams to define, design, and implement new features, ensuring system integration and scalability.
Requirements
- Collaborate with cross-functional, agile 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 product reviews and ensure adherence to engineering standards and best practices
- Stay current with industry trends and advancements in modern languages, Artificial Intelligence (AI), Development, Security, and Operations (DevSecOps), and other methodologies and technologies, especially in relation to complex systems
Benefits
- Medical
- Dental
- Vision
- Life insurance
- Short-term disability
- Long-term disability
- 401(k) match
- Flexible spending accounts
- Flexible work schedules
- Employee assistance program
- Employee Scholar Program
- Parental leave
- Paid time off
- Holidays