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# Principal Systems Engineer - Avionics Development and Integration (ONSITE)

- **Company:** RTX
- **Location:** Cedar Rapids, IA, United States
- **Experience:** Expert
- **Salary:** $107,500.0 - $204,500.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Python (Programming Language), MATLAB, Software Tools, Subsystems, Test Scripts, DO-178B
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3468458214&tx=ZT2524THV&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

The company will seek an export authorization for this role, if required. RTX must be able to obtain and maintain the U.S. export authorization., * 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

 * Hands-on experience with Integrated Modular Avionics (IMA) at the system level is required
 * Strong understanding of Avionics, aircraft Systems, and Subsystems.
 * Demonstrated ability to work effectively in a collaborative team environment.
 * Previous experience taking ownership of assigned work, following through on commitments, and delivering quality results.

Qualifications we prefer:

 * Knowledge across multiple Avionics functional areas.
 * Prior experience with full development cycles, Avionics certification, and a strong understanding of lifecycle activities and deliverables for Avionics programs.
 * Experience working within regulatory environments, including DO-254, DO-160, DO-178B/C, DO-297, ARP4754A, and FAA/TCCA/EASA standards.
 * Proficiency in supporting testing activities, including operating rig facilities and troubleshooting during testing phases.
 * Ability to execute flight test scenarios by leveraging a solid understanding of aircraft operational fundamentals to validate system performance.
 * Experience with one or more of the following tools/languages is a plus: Python, MATLAB/Simulink, Cameo, or similar engineering tools.
 * Strong written and verbal communication skills, with the ability to clearly explain technical ideas, assumptions, and issues.
 * Strong problem-solving skills

## Description

We are seeking a highly skilled professional with a strong technical background in Avionics Systems Engineering. The ideal candidate will have prior experience in the development and integration of ARP4754A/DO-297 Integrated Modular Avionics (IMA) Systems, proficient in multiple aircraft subsystems. This is a hands-on position supporting requirements development, requirements-based testing execution, test script development, execution of scenario-based, robustness, and unintended function/behavior testing in a lab environment. Flexibility is necessary to maximize test assets utilization.

This is an onsite position in Cedar Rapids, Iowa.

What you will do:

 * Complete assignments involving Design and Requirement Developments activities
 * On-site execution of requirements-based testing, robustness, and Ad-Hoc testing in a lab environment (schedule flexibility is necessary during formal test phases)
 * Be responsible for the troubleshooting and reporting of issues resulting from development cycles; the candidate will be capable of providing internal status as well as directly reporting to the OEMs as necessary.
 * Independently operate the rig facilities during testing phases of the program and during troubleshooting activities. A solid understanding of aircraft operational fundamentals is necessary, as the candidate will be required to execute flight test scenarios to validate system functionality and performance.
 * Test script development and execution
 * Produce PDR/CDR packages on aircraft features and presenting them to OEMs
 * Produce system certification level documentation
 * Integrate and own SW/HW Work Packages and Avionics features coordinating across multiple subsystem functional areas.
 * Estimate and bid engineering efforts
 * Provide regular updates on program status to key stakeholders.
 * Ensure traceability and compliance across all phases of the development lifecycle, adhering to industry standards and regulatory requirements.
 * Collaborate effectively with engineers across multiple organizations, fostering a positive and productive team environment.