Principal Software Engineer (ONSITE)
Company: RTX
Location: Cedar Rapids
Posted on: April 3, 2026
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Job Description:
Date Posted: 2026-03-24 Country: United States of America
Location: US-IA-CEDAR RAPIDS-106 ~ 400 Collins Rd NE ~ BLDG 106
Position Role Type: Onsite U.S. Citizen, U.S. Person, or
Immigration Status Requirements: The company will offer immigration
sponsorship for this position, if needed.? The company will not
seek an export authorization for this role. Security Clearance
Type: None/Not Required Security Clearance Status: Not Required
Collins Aerospace is looking for Principal Software engineer ready
to shape the future. Join our Integrated Flight – Advanced Flight
Management Engineering team in Cedar Rapids, Iowa, and play a key
role in building the next era of aviation. As a Principal Software
Engineer, you’ll leverage the latest in AI-driven development to
build the precision, safety, and intelligence behind tomorrow’s
commercial, business, and military Flight Decks. You won’t just be
supporting technology; you’ll be shaping it—engineering avionics
solutions trusted in the most demanding environments on the planet.
Our Next Generation engineering team is redefining what’s possible
in modern avionics, building next-generation flight technologies
that push the boundaries of speed, safety, autonomy, and
intelligence. From advanced flight-management software and
high-performance embedded systems to intelligent sensor fusion,
real-time avionics networks, and autonomous mission platforms, we
design the systems that power the aircraft of the future. Our
technology sits at the crossroads of aerospace, AI, and
high-reliability computing—turning bold ideas into dependable
systems trusted in the sky every day. We’re a team of engineers,
innovators, and aviation enthusiasts who thrive on solving complex
problems with elegant, high-impact solutions. Our culture blends
deep technical rigor with a startup-like energy—rapid iteration,
hands-on experimentation, and a passion for building things that
fly. If you want to work on sleek, modern avionics products,
experiment with cutting-edge technologies, and help shape the
future of intelligent flight systems, this is the place to do it.
This is an onsite position based in Cedar Rapids, Iowa. What you
will do: Design, Develop and optimize embedded flight management
software applications used in commercial and military platforms.
Design and implement modular and reusable Flight Management product
line software. Lead the teams in developing the physics-based
software related to aircraft performance. Collaborate closely with
systems engineers, hardware teams, AI/ML specialists, and
flight-test personnel to deliver integrated avionics solutions that
meet stringent aviation safety, performance, and certification
requirements. Qualifications you must have: 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 Applied
experience of software development using C++, Object-Oriented
Analysis and Design (OOA/D). Experience in developing physics-based
software and modeling the aircraft performance using modeling tools
such as Matlab/Simulink and other flight simulation tools. ?
Qualifications we prefer: Working knowledge and application of
neural networks in aerospace domain. Working Experience with
DevOps, Jenkins and automated testing. Familiar with tools such as
GIT, JIRA, Visual Studio Code, Docker, Jama. What we offer:
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 Birth,
adoption, parental leave benefits Ovia Health, fertility, and
family planning Adoption Assistance Autism Benefit Employee
Assistance Plan, including up to 10 free counseling sessions
Healthy You Incentives, wellness rewards program Doctor on Demand,
virtual doctor visits Bright Horizons, child and elder care
services Teladoc Medical Experts, second opinion program And more!
Learn More & Apply Now! Avionics delivers advanced cockpit
displays, vision systems, and comprehensive digital solutions for
global government, commercial and business aviation customers. We
provide connectivity and managed data services to ensure safety and
seamless communication for passengers, crews, and militaries, from
aircraft and airports to air traffic management. Join us in
creating solutions that connect the world, one flight at a time.
Start your application today. Please ensure the role type (defined
below) is appropriate for your needs before applying to this role.
Onsite: Employees who are working in Onsite roles will work
primarily onsite. This includes all production and maintenance
employees, as they are essential to the development of our
products. Regardless of your role type, collaboration and
innovation are critical to our business and all employees will have
access to digital tools so they can work with colleagues around the
world – and access to Collins sites when their work requires
in-person meetings. At Collins, the paths we pave together lead to
limitless possibility. And the bonds we form – with our customers
and with each other propel us all higher, again and again. Apply
now and be part of the team that’s redefining aerospace, every day.
Learn more at: https://www.rtx.com/who-we-are/we-are-rtx/flight
https://www.collinsaerospace.com/what-we-do/industries/business-aviation/flight-deck/pro-line-fusion
As part of our commitment to maintaining a secure hiring process,
candidates may be asked to attend select steps of the interview
process in-person at one of our office locations, regardless of
whether the role is designated as on-site, hybrid or remote. The
salary range for this role is 107,500 USD - 204,500 USD. The salary
range provided is a good faith estimate representative of all
experience levels. RTX considers several factors when extending an
offer, including but not limited to, the role, function and
associated responsibilities, a candidate’s work experience,
location, education/training, and key skills. Hired applicants may
be eligible for benefits, including but not limited to, medical,
dental, vision, life insurance, short-term disability, long-term
disability, 401(k) match, flexible spending accounts, flexible work
schedules, employee assistance program, Employee Scholar Program,
parental leave, paid time off, and holidays. Specific benefits are
dependent upon the specific business unit as well as whether or not
the position is covered by a collective-bargaining agreement. Hired
applicants may be eligible for annual short-term and/or long-term
incentive compensation programs depending on the level of the
position and whether or not it is covered by a
collective-bargaining agreement. Payments under these annual
programs are not guaranteed and are dependent upon a variety of
factors including, but not limited to, individual performance,
business unit performance, and/or the company’s performance. This
role is a U.S.-based role. If the successful candidate resides in a
U.S. territory, the appropriate pay structure and benefits will
apply. RTX anticipates the application window closing approximately
40 days from the date the notice was posted. However, factors such
as candidate flow and business necessity may require RTX to shorten
or extend the application window. RTX is an Equal Opportunity
Employer. All qualified applicants will receive consideration for
employment without regard to race, color, religion, sex, sexual
orientation, gender identity, national origin, age, disability or
veteran status, or any other applicable state or federal protected
class. RTX provides affirmative action in employment for qualified
Individuals with a Disability and Protected Veterans in compliance
with Section 503 of the Rehabilitation Act and the Vietnam Era
Veterans’ Readjustment Assistance Act. Privacy Policy and Terms:
Click on this link to read the Policy and Terms
Keywords: RTX, Cedar Rapids , Principal Software Engineer (ONSITE), Engineering , Cedar Rapids, Iowa
