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# Sr HWIL Software Engineer

- **Company:** RTX
- **Location:** Tucson, AZ, United States
- **Experience:** Expert
- **Salary:** $86,800.0 - $165,200.0
- **Contract:** Contract
- **Skills:** C (Programming Language), Java (Programming Language), Microsoft Windows, Agile Methodology, Data Analysis, C++ (Programming Language), Network Analysis, Linux, Embedded Operating Systems, Perl (Programming Language), Embedded Software, Hardware-In-The-Loop Simulation, Python (Programming Language), MATLAB, Object-Oriented Software Development, Scrum Methodology, Software Architecture, Real-Time Operating Systems, Software Engineering, Product Software Implementation Methods, VxWorks, Scripting, Model-Driven Development, Infrastructure Automation Frameworks, Information Technology
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3467198129&tx=KK9393FFU&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

Active and transferable U.S. government issued security clearance is required prior to start date., Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Typically requires a Bachelor's degree in Computer Science, Engineering or other STEM related field and a minimum of 5 years of relevant experience.

 * Experience with software development in C++, using the object-oriented features.
 * Experience including at least two of the following: Embedded Software, Embedded Software Security, Embedded Operating Systems (Linux, RTOS, VxWorks, etc), Software Architecture Design and Implementation.
 * Active and transferable Secret U.S. government issued security clearance is required prior to start date with the ability to obtain program access after start.

Qualifications We Prefer

 * Strong organization, coordination, planning, teaming skills, as well as written and oral communication skills.
 * Experience generating technical documentation and reports.
 * Experience with RF theory and application in systems.
 * Experience with electronics design and/or conducting data analysis using tools such as Matlab.
 * Experience troubleshooting systems using test equipment such as oscilloscopes, logic analyzers, network analyzers, and/or spectrum analyzers.
 * Knowledge of networking and IP addressed based equipment.
 * Able to work and interface with a cross-discipline team.
 * Experience with both Windows and Linux operating systems.
 * Agile and Scrum team member experience
 * Knowledge of or experience with software languages such as Java, C, C++, or similar languages; scripting languages such as Python and/or Perl, and MATLAB scripts for data analysis purposes., * 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.

## Description

* Collaborate in a multi-disciplinary team to develop software to control Hardware-In-the-Loop (HWIL) facilities (flight simulators for missiles).
 * Determines end user needs by analyzing system capabilities to resolve problems on program intent, output requirements and input data acquisition. Ensures hardware and software standards are met.
 * Design and implement build procedures that are used to support hardware and software product development and use.
 * Software design, coding and integration in a real-time environment.
 * May train software developers in the use of configuration management tools and the implementation of software quality standards. Includes control modeling (model based design)