Software Test Engineer I

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

Benefits offered by this job

Medical

Dental

Vision

401(k) match

Flexible schedules

Paid time off

Holidays

Life insurance

Short/Long disability

Employee Scholar Program

Job summary

RTX is seeking software-focused engineers to join the Test Solutions Engineering team. You will design and implement Windows-based software tools that interface with advanced hardware, supporting the full product lifecycle from lab demos to production testing.

Ideal candidates have a STEM degree and hands-on experience with C/C++, Python, and Visual Studio, plus familiarity with hardware interfaces and Agile/Waterfall lifecycles.

Qualifications

• Bachelor’s degree in STEM disciplines required or expected by start date.
• Experience coding and testing software with one or more languages (C/C++, C#, Python, VB/.NET).
• Experience building software for Windows using Visual Studio and basic hardware interfacing helpful.

Responsibilities

• Design, code, and integrate object‑oriented software for Windows platforms.
• Develop system‑level software requirements and architectures.
• Troubleshoot and optimize software for accuracy and reliability.
• Collaborate with systems, electrical, and mechanical engineers to integrate software with hardware.

Skills

C/C++

Python

Windows development

Software testing

C# / .NET

Education

Bachelor’s degree in STEM

Tools

Visual Studio IDE

Git

Test automation

Hardware interfacing

Job description

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full‑time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

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

• 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.

Preferred Qualifications

• 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.

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.

Salary

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

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.

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.

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.

• Trust
• Respect
• Accountability
• Collaboration
• Innovation

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.