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Senior Principal Software Engineer - Avionics Simulation; Onsite

Job in Cedar Rapids, Linn County, Iowa, 52404, USA
Listing for: Segment (Twilio)
Full Time position
Listed on 2026-07-20
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 132400 - 251600 USD Yearly USD 132400.00 251600.00 YEAR
Job Description & How to Apply Below
Position: Senior Principal Software Engineer - Avionics Simulation (Onsite)

Date Posted:

Location:

US-IA-CEDAR RAPIDS-182 ~ 1100 Cimmie Ave Ne ~ BLDG 182

Position Role Type:
Onsite

Security Clearance:
None/Not Required

What You Will Do
  • Design, develop, and test applications to simulate the behavior of avionics sensors to support the development and testing of Collins Avionics products.
  • Aid the development team in the debugging of laboratory issues to determine root cause and propose potential solutions to the discovered problems.
  • Effectively interact and network with teammates, management, and customers.
  • Support the Program Lead(s) with budget and schedule data for the CSE work on a given program to help ensure the successful completion of a Collins Avionics program.
  • Work with a team of dedicated engineers to help shape the future of the avionics simulation platform.
  • Commit to 5‑10% travel 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.
  • Experience with C/C++ programming languages.
  • Experience with Python scripting.
  • Experience with Agile Development Framework (Scrum, Sprints, etc.).
Qualifications We Prefer
  • Strong written and oral communication skills.
  • Experience with Graphical User Interface (GUI) design/implementation.
  • Experience with C# programming language.
  • Familiarity with migrating an application between OS and HW architectures.
  • Earned Value Management experience.
Benefits
  • 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 such as pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal,  protection
  • Birth, adoption, parental leave benefits
  • Ovia Health, fertility, and family planning
  • Adoption Assistance
  • Autism Benefit
  • 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 and more
  • This role may be eligible for relocation
Salary

Salary range: 132,400 USD - 251,600 USD.

Equal Opportunity Employer Statement

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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Position Requirements
10+ Years work experience
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