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# Principal Software Engineer, Onsite

- **Company:** RTX
- **Location:** Cedar Rapids, IA, United States
- **Experience:** Expert
- **Salary:** $107,500.0 - $204,500.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, C++ (Programming Language), Communications Protocols, Embedded Software, Software Engineering, Multithreading, Git, Software Version Control
- **Published:** November 1, 2026
- **Apply:** https://www.adzuna.com/details/5932204457

## About the Role

The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Proven experience in the full software development lifecycle, including requirements gathering, design, implementation, testing, and deployment.

 * Hands-on experience with Agile development methodologies and Product Owner responsibilities, including backlog prioritization and stakeholder collaboration.
 * Demonstrated experience with proposals and bids, including creating technical solutions, cost estimates, and schedules.
 * Willingness and ability to obtain a U.S. government-issued security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

 * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.

Qualifications We Prefer

 * Experience with Rust, C++ or C.
 * 5 years of experience with embedded software development and multithreading in embedded systems.
 * Experience with Cost Account Management, Earned Value Management (EVM), and Risk Management techniques to track and ensure project performance.
 * Proficiency with Git or other version control systems.
 * Knowledge of networking and communications protocols.
 * Strong understanding of detailed schedule planning, including resource management and milestone tracking.

## Description

* YOU will lead large efforts in complex, multi-threaded embedded software in C, C++, and Rust.
 * YOU will drive project success by serving as an expert in requirements, implementation, test development, and certification.
 * YOU will lead initiatives and teams, ensuring alignment with program goals and customer requirements.
 * YOU will manage cost, schedule, and technical performance, applying Earned Value Management (EVM) principles to monitor and report progress.
 * YOU will serve as an Agile Product Owner, defining and prioritizing the product backlog, ensuring alignment with stakeholder needs, and collaborating with development teams to deliver high-value solutions.
 * YOU will contribute to the development of proposals and bids, including scoping, cost estimation, and technical documentation, to support business growth.
 * YOU will develop and maintain detailed project schedules, identifying milestones, dependencies, and risks to ensure on-time delivery of program objectives.

What You Will Learn

 * YOU will gain technical leadership experience and mentorship opportunities to develop talent for yourself and your peers.
 * YOU will collaborate with experts in the software discipline, obtaining hands-on experience with new and innovative technologies.
 * YOU will engage with a multidisciplinary team to develop a cross-functional skillset, including expertise in project management, Agile methodologies, and EVM practices.
 * YOU will become a subject matter expert for our software domain, as well as in Agile Product Ownership, proposals and bids, and detailed schedule planning.