Principal Software Engineer - Datalink Safety Routers and ; ONSITE

Date Posted:  Country:
United States of America

Location:

US-IA-CEDAR RAPIDS-131 ~ 5450 C Ave NE ~ BLDG 131 Role Type:
Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The company will offer immigration sponsorship for this position, if needed. Security Clearance Type:
None/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.

We are currently seeking qualified candidates for a Principal Software Engineer role within our Datalink Safety Routers and Applications team. The team develops airborne safety router software and Air Traffic Control (ATC) applications supporting safety-critical air/ground communications, as well as Signal Processor (SigP) avionics software supporting aircraft data concentration and audio management functions. You will work across a diverse portfolio of safety-critical avionics products and platforms supporting DO-178B/C DAL A/C/D software and the full software development lifecycle.

This is an onsite position in Cedar Rapids, Iowa.

• Provide technical leadership for the design, development, integration, verification, and certification of safety-critical embedded avionics software.
• Design, develop, integrate, test, and support real‑time embedded software, primarily using C and C++, to meet technical, certification, program, and customer requirements.
• Develop software architecture, detailed designs, and software based on system and software requirements.
• Lead resolution of complex software and system-level technical issues, including root cause investigation and corrective actions.
• Lead and participate in software requirements, design, and code reviews.
• Collaborate across Systems, Hardware, Software, Verification, and Certification teams to support hardware/software and system-level integration.
• Provide technical guidance and mentoring to software engineers and drive engineering best practices.
• Support DO-178B/C certification activities and technical interactions throughout the certification lifecycle.
• Collaborate with internal organizations and external customers to understand technical needs, resolve issues, and develop solutions.

• Gain broad technical exposure to Collins Aerospace Datalink safety routers and Air Traffic Control applications.
• Develop deeper knowledge of aircraft communication architectures, air/ground messaging, and Datalink protocols.
• Expand your understanding of how safety‑critical avionics products integrate with aircraft systems such as FMS, MCDU, EICAS, ACMS.
• Gain exposure to a diverse portfolio of Commercial, Business & Regional, and Military avionics platforms and customers.
• Expand your technical leadership experience across complex avionics programs, products, and certification efforts.

• 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.
• Strong experience developing safety‑critical avionics software across…