Senior Software Engineer - Core Systems & Libraries (Onsite)

Date Posted:

2026-05-20

Country:

United States of America

Location:

US-IA-CEDAR RAPIDS-124 ~ 400 Collins Rd NE ~ BLDG 124

Position Role Type:

Onsite

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

U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

 At RTX, the world 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. 

Join the Collins Aerospace Core Systems & Libraries team and help build the software backbone that powers modern aircraft. 

 

We’re looking for a Senior Software Engineer who enjoys solving complex problems and delivering high-impact solutions in safety-critical environments. 

In this role, you will architect and develop core software components, libraries, and tools that enable scalable, certifiable avionics platforms. You’ll work across the full software lifecycle, partnering with cross-functional teams to deliver robust solutions aligned with civil and military certification standards. 

This is a unique opportunity to influence system-level architecture, drive open-architecture innovation, and help shape the technologies defining the future of aerospace. 

This role will be located onsite in Cedar Rapids, Iowa 

 

What You Will Do 

• Develop the architecture and design of core software components, libraries, and tooling aligned to avionics system requirements 

• Drive technical direction and execution across development and verification activities for safety-critical software (DO-178) 

• Develop software requirements, decomposition, and traceability across complex systems 

• Develop and verify software using modern C++ and object-oriented design principles 

• Develop DO-178 certification artifacts, including DAL-A deliverables 

• Perform certification efforts, including engagement with customers and regulatory authorities 

• Conduct and contribute to peer reviews to ensure quality, consistency, and compliance across the lifecycle 

• Collaborate cross-functionally with engineering, program leadership, and customers to align technical solutions with program objectives 

• Willing and Able to travel as required (domestic and international <10%).  

 
What You Will Learn 

• Gain hands-on experience with cutting-edge and emerging technologies that are shaping the future of avionics and aerospace systems 

• Build end-to-end expertise across the full product lifecycle, from requirements and design through verification and delivery of safety-critical systems 

• Develop a deep understanding of software certification (DO-178) and how world-class avionics products meet rigorous regulatory standards 

• Learn how to design, scale, and sustain software product lines that support a wide range of platforms and global customers 

Qualifications You Must Have  

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