> Markdown version of [/jobs/ext/2155588-principal-systems-engineer](https://www.wearedevelopers.com/jobs/ext/2155588-principal-systems-engineer). 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

- **Company:** RTX
- **Location:** Tucson, AZ, United States
- **Experience:** Expert
- **Salary:** $107,500.0 - $204,500.0
- **Contract:** Contract
- **Skills:** Systems Engineering, Network Interface Controllers, Technical Data Management Systems
- **Published:** August 20, 2026
- **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-AZ-TUCSON-801--1151-E-Hermans-Rd--BLDG-801-External-Site/Principal-Systems-Engineer_01867950

## About the Role

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, Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience

 * Experience with engineering, logistics, sustainment and/or training.
 * Experience with technical documentation for test equipment/test stands.
 * Ability to obtain Interim Secret U.S. government issued security clearance is required prior to start date.

Qualifications We Prefer:

 * Experience developing technical documentation and training materials, and writing technical documents with accuracy and adherence to existing standards.
 * Broad knowledge of ILS processes, including sustainment and supportability principles and concepts.
 * An understanding of the use of the Technical Data Package (drawings, parts list, interface control documents, and electrical schematics).

## Description

Life Cycle Engineering seeks a Principal Systems Engineer. In this role, you will directly support the ESSM Program Integrated Logistics Support (ILS) Lead and be responsible for executing tasks in the areas of ILS, Sustainment Analysis, and Sustainment Planning. This will include tasks such as technical documentation, spares analysis, provisioning support, training, and field service activities.

What You Will Do:

 * Provide general engineering support and product sustainment activities for developmental and legacy programs
 * Act as a liaison with all engineering disciplines, such as Systems, Electrical, Mechanical, Test, Materials and Processes, and Structural design functions
 * Develop and update technical documentation for test equipment
 * Ensure the technical integrity, quality, and adherence to standards of the In-Service Support (ISS) products produced for Logistics, Provisioning, Field Support, Intermediate Level Maintenance, and Depot Level Maintenance through engagement in peer reviews, program reviews, design reviews, failure review boards, investigation teams, and working groups


## Related Videos

- [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker)
- [Why you shouldn’t build a microservice architecture ](https://www.wearedevelopers.com/videos/261-why-you-shouldn-t-build-a-microservice-architecture)
- [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process)
- [The ABC of DX](https://www.wearedevelopers.com/videos/727-the-abc-of-dx)
- [Code meets connectivity - Developers as the powerhouse of Network API innovation](https://www.wearedevelopers.com/videos/1686-code-meets-connectivity-developers-as-the-powerhouse-of-network-api-innovation)
- [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Why developer experience matters](https://www.wearedevelopers.com/magazine/514-why-developer-experience-matters)
- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)