Principal Software Engineer (Onsite)

RTX Corporation
📍 rockford, IL, United States 💼 Full-time 🕒 Posted June 24, 2026

Job Description

**Date Posted:**

2026-06-22
**Country:**

United States of America

**Location:**

US-IL-ROCKFORD-P6 ~ 4747 Harrison Ave ~ 4747 HARRISON AVE-P6

**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

Join our team in Rockford, Illinois as a Principal Software Engineer working on the full life-cycle development of electric power distribution systems for aerospace applications. You will collaborate in a team environment, designing, implementing, testing, and certifying software (typically in C) to aerospace standards (DO-178B/C, DAL A–C).

You will design, develop, and document control and diagnostic ...

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Job Details

  • Location rockford, IL
  • Job Type Full-time
  • Category other-general
  • Posted Date June 24, 2026
  • Application Deadline June 29, 2026