Senior Principal Software Engineer (Hybrid)
RTXAbout the role
Date Posted:
2026-02-16Country:
United States of AmericaLocation:
US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6Position Role Type:
HybridU.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-120.62Security Clearance Type:
None/Not RequiredSecurity Clearance Status:
Not RequiredCollins Aerospace has an exciting opportunity for a Senior Principal Software Engineer. We’re looking for a passionate professional who is ready to take on a high level of responsibility in a fast-paced, dynamic environment.
The Senior Principal Systems Engineer within the Electric Power Systems Power Distribution product group contributes across all phases of the product development life cycle, including software requirements, architecture and design, integration and test, and verification and certification support—within an interdisciplinary process that ensures customer needs are met at every stage.
We are seeking an individual capable of working collaboratively with both local and remote team members to develop embedded flight software and produce the associated life-cycle and certification evidence. The candidate will define, maintain, document, implement, and test software requirements for secondary power distribution products. They must also be able to work effectively on a cross-functional support team and communicate clearly in various internal and external review boards.
What You Will Do
Work in a team environment, including collaboration with remote team members, engaging in full life-cycle development (planning, requirements, design, verification, certification/qualification) of electric power distribution and conversion systems. Development is typically performed in C and certified to aerospace standards (DO-178B/C, Design Assurance Levels A–C).
Lead, measure, and analyze software designs for equipment and products to ensure current and future business needs are met.
Build and implement procedures used to support hardware and software product development activities.
Operate equipment and computer systems for testing and software design to facilitate operations and ensure established objectives are achieved.
Design, develop, document, test, and debug control and diagnostic systems that incorporate logical and mathematical solutions.
Lead and conduct multidisciplinary research and collaborate with equipment designers in the planning, design, development, and utilization of electronic data processing systems for product and commercial software.
Collaborate with software discipline chiefs and technical teams to adhere to and implement DO-178B/C processes.
Lead and participate in the Stage of Involvement (SOI) audit reviews with certification authorities.
Perform timing, memory, and stack-usage analysis.
Determine end-user needs by analyzing system capabilities and resolving issues related to program intent, output requirements, and input data acquisition.
Participate in Software Engineering Process Group (SEPG) meetings to improve and adapt standard work and departmental practices.
Ensure software standards are met.
Design and implement build procedures that support hardware and software product development and use.
Develop software configuration standards for company-wide use, 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.
Qualifications We Prefer
Strong presentation and communication skills, with experience delivering information to leadership and cross-functional teams.
Proven ability to lead or contribute to complex technical projects, including coordination across multiple stakeholders.
Experience with data analysis and reporting tools, such as Visio, Excel, or similar platforms
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