Date Posted:2026-07-22
Country:United States of America
Location:US-IA-CEDAR RAPIDS-182 ~ 1100 Cimmie Ave Ne ~ BLDG 182
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
Help ensure mission-critical avionics software performs flawlessly in the real world. As a Principal Software Engineer supporting mission sensors, weapons, and IFF (Identification Friendly or Foe) avionics systems, you'll play a key role in primarily developing requirements, tests, verification, along with software development and software integration that support aerospace and defense applications. You'll work within a highly collaborative Agile team, helping develop and translate requirements into robust software solutions and test strategies while supporting system integration and verification efforts. If you enjoy solving complex technical challenges, improving engineering processes, and working across disciplines to deliver reliable systems, this role offers an opportunity to make a meaningful impact.
What You Will Do:- You will support software engineering activities within an Agile development environment, helping develop and translate system and software requirements into effective software, test and verification strategies (heavy focus of this role).
- You will develop automated and semi-automated test scripts using Python to validate software functionality and system performance (heavy focus of this role).
- You will update and maintain our Software products using Ada/C.
- You will verify software builds in integrated lab environments and support formal verification events for major program deliveries (heavy focus of this role).
- You will collaborate with cross-functional engineering teams to refine system requirements and design solutions that meet customer needs.
- You will present technical progress and status updates to Agile team members and engineering leadership.
- You will contribute to improving test development processes, tools, and best practices while maintaining compliance with company standards.
- You will help navigate through the bids & pursuits, adhering to Collins Processes.
- Mentor younger engineers through Software Engineering tasks.
What You Will Learn:- You will gain experience integrating Line Replaceable Unit (LRU) software supporting mission sensor and weapons avionics systems.
- You will deepen your expertise across multiple phases of the aerospace systems lifecycle within a collaborative Agile environment.
- You will strengthen your software engineering skills by supporting complex software development, verification and integration efforts.
- If desired, you may have the ability to grow into Product Owner, Scrum Master, and/or Cost Account Manager type roles.
Qualifications You Must Have:- 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.
- Experience working within Agile development teams.
- Experience developing software requirements (heavy focus of this role).
- Experience with test automation using Python (heavy focus of this role).
- Experience with Software development in Ada/C.
- Experience with engineering tools such as DOORS, PREP, TLBD, ALM, JIRA, Enterprise Architect, or similar.
- Hands-on experience in systems and software integration including experience with design, development, and testing of customer hardware and software systems & systems of systems of high complexity.
- Experience interacting with development teams to resolve discrepancies and issues.
- Experience with systems integration, test execution, and test results documentation.
- Experience problem solving and debugging.
Qualifications We Prefer:- Experience (military or civil aircraft) in avionics systems.
- Avionics integration and lab test experience.
- Embedded software integration experience.
- Working knowledge / understanding of data busses and protocols (Ethernet, MIL-STD-1553B, and ARINC-429).
What We Offer:Benefits:
Some of our competitive benefits package includes:
- 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
- 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
This role may be eligible for relocation.
Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.
The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.
Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.
Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.
This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.
RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.
