Software Test Engineer I

Raytheon; Tucson (AZ); On-site; USD 57,000 - 109,000; Full time

Benefits offered by this job

Relocation Eligibility

Job summary

Raytheon in Tucson, AZ, seeks a software-focused engineer to design, build, and test mission-critical software interfacing with engineering hardware. You will develop robust tools across the lifecycle—from lab demos to production testing—within a collaborative engineering team.

The role requires a STEM degree and hands-on experience with Windows-based development (Visual Studio), C/C++, Python, and related tools, plus a DoD security clearance.

Qualifications

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) discipline required by start date.
• Experience developing, testing, or integrating software using C, C++, C#, Python or VB/.NET.
• Experience developing, building, and debugging Windows applications in Visual Studio IDE.
• Experience may be gained via on-the-job work, coursework, or projects.

Responsibilities

• Design, code, and integrate object-oriented software applications and test software for Windows.
• Develop system-level software requirements, specifications, and architecture.
• Troubleshoot, debug, and optimize software for accuracy, repeatability, and reliability.
• Collaborate with systems, electrical, and mechanical engineers to integrate software with hardware.
• Participate in design reviews, code reviews, and defect resolution.
• Work within Agile and Waterfall lifecycles.

Education

Bachelor's degree in STEM

Tools

C

C++

C#

Python

VB.NET/.NET

Job description

Date Posted: 2026-10-01

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

What You Will Do

Join the Test Solutions Engineering team within the Hardware Discipline Center at Raytheon, where we architect and build sophisticated software applications and automated test environments for mission-critical defense systems. In this role, you will develop cutting-edge software solutions that interface directly with state-of-the-art engineering hardware, supporting products across the entire lifecycle—from early lab demonstrations and design verification to high-rate production testing and long-term sustainment. Working alongside a collaborative, multi-disciplinary engineering team, you will design robust tools that ensure our nation's defense technologies perform flawlessly.

Key Responsibilities

• Design, code, and integrate object-oriented software applications and test software targeting Windows operating platforms.
• Develop and derive system-level software requirements, operational specifications, and architectural designs.
• Troubleshoot, debug, and optimize software applications to ensure rigorous test accuracy, repeatability, and reliability.
• Collaborate closely with systems, electrical, and mechanical engineers to integrate software test tools with specialized hardware instrumentation.
• Participate actively in formal design reviews, code peer reviews, and technical defect resolution.
• Work within structured engineering frameworks applying both Agile and Waterfall development lifecycles.

Qualifications You Must Have

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) discipline. Degree must be obtained by start date.
• Experience developing, testing, or integrating software applications using one or more programming languages, such as C, C++, C#, Python, or Visual Basic (VB/VBA/.NET).
• Experience developing, building, and debugging software applications targeting Windows operating systems using the Microsoft Visual Studio integrated development environment (IDE).
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

• Demonstrated foundation in software development principles and Object-Oriented Design (OOD/OOP), including encapsulation, inheritance, polymorphism, and modular class structure.
• Experience or coursework utilizing C# or modern C++ in an engineering or laboratory test setting.
• Familiarity with hardware/software interfacing, test automation frameworks, or instrumentation control (e.g., via GPIB, Ethernet, or serial interfaces).
• Hands-on exposure to version control tools (such as Git) and Agile software development practices.
• Strong diagnostic and analytical problem-solving skills applied to complex software/hardware integration issues.

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 Eligibility

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.

The salary range for this role is 57,200 USD - 108,800 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.

Benefits

• 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
• holidays

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.

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.