Senior Principal Software Engineer

RTX

Senior Principal Software Engineer at Collins Aerospace designing and optimizing flight management software for aviation. Collaborating with diverse teams to create advanced avionics solutions meeting safety and performance standards.

Posted 5/19/2026full-timeRemote • Iowa • 🇺🇸 United StatesSenior💰 $132,400 - $251,600 per yearWebsite

Tech Stack

Tools & technologies

DockerJenkins

About the role

Key responsibilities & impact

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 teams through certification reviews with customers and/or authorities.
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.

Requirements

What you’ll need

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 in software design and development of large complex aircraft application
Experience with designing and implementing a large-scale modularized, reusable product line software
Applied experience of software development using C++, design patterns, Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)
Experience in leading the DO-178 certification activities for software development in C++.
Understanding of standard system engineering design artifacts such as Use Cases and SysML diagrams.
Working Experience with DevOps, Jenkins and automated testing.
Familiar with tools such as GIT, JIRA, Visual Studio Code, Docker, Jama.

Benefits

Comp & perks

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!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C++design patternsUnified Modeling Language (UML)Object-Oriented Analysis and Design (OOA/D)DO-178 certificationsoftware designsoftware developmentmodular softwarereusable softwarelarge-scale applications

Soft Skills

leadershipcollaborationcommunication