> Markdown version of [/jobs/ext/4649540-principal-systems-engineer-software-systems-onsite](https://www.wearedevelopers.com/jobs/ext/4649540-principal-systems-engineer-software-systems-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Principal Systems Engineer - Software Systems (Onsite)

- **Company:** RTX
- **Location:** Austin, TX, United States
- **Experience:** Expert
- **Salary:** $107,500 - $204,500
- **Contract:** Contract
- **Skills:** Systems Engineering, Embedded Software, Requirements Management, Software Requirements Analysis, Software Systems, Verification and Validation (Software), Software Verification
- **Published:** November 9, 2026
- **Apply:** https://www.thejobnetwork.com/job/d0e1e1ed-d49e-4670-89b5-7d3ed25fdf25/principal-systems-engineer-software-systems-onsite

## About the Role

Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 8 years of prior engineering experience.
\n

 * \n
Experience in Systems Engineering
\n

 * \n
Experience in Model-Based Systems Engineering (MBSE), Requirements Development, Requirements Management, Requirements Verification, or Integration and Test for software products
\n

## Description

The Systems Engineering and Test Capabilities (SETC) organization is currently hiring a Principal Systems Engineer to join our Tucson, AZ location. SETC is an exciting and challenging environment where you will have the opportunity to design, develop and partner with multi-disciplines to shape innovative solutions for our customers. Join our organization and experience the Systems V engineering life cycle while interfacing with a variety of engineering disciplines, subject matter experts, Chief Engineers, Chief Technologists, the customer, and so many more to ensure we design, integrate, and strengthen our systems to work the first time and every time for our warfighters!, As a Principal Systems Engineer you will support missile programs as a Software-focused Responsible Systems engineer, contributing directly to successful software requirements and integration for both fielded and development missile systems. These responsibilities include managing system and subsystem requirements, providing SE technical oversight during integration and test activities, participating in verification and validation efforts for the system, and providing SE expertise in troubleshooting and failure investigations. The Software-Systems role requires a high level of technical proficiency in the area of embedded software design, integration and test. This included multi-disciplined coordination, and establishing and maintaining relationships with the embedded software team and customer technical community.