HWIL Software Engineer I

RTX (Raytheon); Tucson (AZ); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Relocation eligible

Job summary

The Hardware In the Loop (HWIL) Department in Tucson, AZ works on testing environments for missiles, designing, building and integrating flight-like tests to support tactical software delivery.

This 100% on-site role requires collaboration with weapon system designers, hands-on lab work, and a focus on reliability and safety in a demanding aerospace environment.

Qualifications

• Bachelor's degree in Computer Science or Software Engineering.
• Experience with integrating software with hardware is preferred.

Responsibilities

• Work on a multi-disciplined team to support systems integration.
• Support troubleshooting and failure data analyses, including root cause analysis.
• Work in a lab environment integrating software, firmware and hardware for complex systems.

Skills

C/C++/C#

Telemetry data

Oscilloscopes

Education

Bachelor's in Computer Science or Software Engineering

Tools

Oscilloscopes

Logic analyzers

Network analyzers

Spectrum analyzers

Telemetry equipment

Job description

Job Details

Date Posted: 2026-09-17

Country: United States of America

Location: US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: DoD Clearance: Secret

Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

Company Overview

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Job Summary

The Hardware In the Loop (HWIL) Department in Tucson, AZ is a multi-discipline organization responsible for designing, building and integrating state of the art testing environments (flight simulators for missiles), as the last step before flight test. On our team, you will work with weapon system designers to understand requirements, design solutions, integrate, and deploy the systems to help support tactical software development, testing, and delivery for missiles to the warfighter.

This role is 100% on-site at our Tucson, AZ campus.

What You Will Do

• Work on a multi-disciplined team to support systems integration
• Support troubleshooting and failure data analyses, including root cause and corrective action processes and advanced use of lab or field test equipment
• Work in a lab environment integrating software, firmware and hardware in support of complex systems

Qualifications You Must Have

• Bachelor's degree in Computer Science or Software Engineering
• This position requires 12 months or less of professional experience (excluding internships)
• Ability to obtain and maintain a U.S. government issued security clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Experience troubleshooting systems using test equipment such as oscilloscopes, logic analyzers, network analyzers, and/or spectrum analyzers
• Experience with using telemetry data collection equipment to capture real time data and/or real time monitoring
• Experience with electrical schematics, interface control documentation, and communications protocols
• Experience with reading and integrating software routines with hardware/electronics; C/C++/C# preferred
• Experience with instrumentation and collection of large data sets, including the application of scripting or automation to data collection and analysis

What We Offer

• Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value Trust, Respect, Accountability, Collaboration, and Innovation.
• Relocation eligible

Location Information

This position is onsite at our campus in beautiful Tucson, AZ. Tucson has a friendly, caring, and laid-back atmosphere, combined with the innovation and energy of a metropolitan region, and recognized as one of America's 10 Best Small Cities. Surrounded by beautiful mountains, colorful Sonoran Desert landscape and majestic saguaro cacti, Tucson is blessed with some of nature's best work. Tucson is known for its bright blue skies, and with more than 310 sunny days per year, Tucson's fantastic weather lets residents enjoy the outdoors year-round.

Additional Resources

• Virtual Fly Over City of Tucson & Community, YouTube Video Links: "Raytheon In Tucson": https://careers.rtx.com/global/en/raytheon-tucson,-az-location
• "Tucson is Awesome": https://www.youtube.com/watch?v=i65wOwKcNIQ
• "Winter in Tucson": https://www.youtube.com/watch?v=yZdKKkF0QkE

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.