Jobs and Careers

Senior Principal Software Engineer - Avionics Simulation (Onsite)

RTX

Cedar Rapids, United Statesfull_timeVerifiedPosted 1 Jul 2026

💰 $251,600/yr($132,400/yr – $251,600/yr)

About the role

Date Posted:

2026-07-01

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-182 ~ 1100 Cimmie Ave Ne ~ BLDG 182

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of “U.S. Person” go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

What You Will Do:

Design, develop, and test applications to simulate the behavior of avionics sensors to support the development and testing of Collins Avionics products.
Aid the development team in the debugging of laboratory issues to determine root cause and propose potential solutions to the discovered problems.
Effectively interacts and networks with teammates, management, and customers.
Support the Program Lead(s) with budget and schedule data for the CSE work on a given program to help ensure the successful completion of a Collins Avionics program.
Work with a team of dedicated engineers to help shape the future of the avionics simulation platform.
5-10% travel as needed.

Qualifications You Must Have:

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.
Experience with C/C++ programming languages.
Experience with Python scripting.
Experience with Agile Development Framework (Scrum, Sprints, etc.).

Qualifications We Prefer:

Strong written and oral communication skills.
Experience with Graphical User Interface (GUI) design/implementation.
Experience with C# programming language.
Familiarity with migrating an application between OS and HW architectures.
Earned Value Management experience.

What We Offer:

Benefits:

Some of our competitive benefits package includes: 

Medical, dental, and vision insurance

Three weeks of vacation for newly hired employees

Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option

Tuition reimbursement program

Student Loan Repayment Program

Life insurance and disability coverage

Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection