Software Test Engineer II

RTX (Raytheon); Andover (MA); On-site; USD 62,000 - 76,000; Full time

Benefits offered by this job

Relocation Eligibility

Job summary

RTX (Raytheon) in Andover, MA is seeking a Test Solutions Engineer to design, code, and integrate software for mission-critical defense systems. You will build software tools that interface with hardware and support the full lifecycle from lab demonstrations to production testing.

The role requires an advanced STEM degree and experience in languages such as C, C++, C#, Python, or VB/.NET, plus Windows development in Visual Studio. U.S.

Qualifications

• Advanced STEM degree by start date.
• Experience programming in C/C++/C#, Python or VB/.NET.
• Experience building Windows applications using Visual Studio.

Responsibilities

• Design, code, and integrate OO software for Windows test environments.
• Define system-level software requirements and architectural designs.
• Troubleshoot, debug, and optimize software for reliable test results.
• Collaborate with systems, electrical, and mechanical engineers to integrate tools with hardware.

Skills

C/C++/C#

Python

Windows development

Visual Studio

Education

MS or equivalent in STEM

Tools

Git

Visual Studio

Job description

Date Posted: 2026-10-06

Country: United States of America

Location: US-MA-ANDOVER-AN0 ~ 366 Lowell St ~ BLDG AN0

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

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 You Must Have

• Advanced 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

The salary range for this role is 68,900 US