Software Engineer II (Onsite)

RTX (Raytheon); Tucson (AZ); On-site; USD 110,000 - 140,000; Full time

Job summary

RTX in Tucson, AZ seeks a software engineer to join the Effects Center, developing real-time embedded software for defense systems. You will design, code, test, and integrate critical software in a fast-paced, agile environment.

You will collaborate with systems engineers and hardware designers to align requirements and interfaces, applying C/C++, RTOS, and hardware-software integration skills. A master's in a STEM field and relevant experience are required.

Qualifications

• Master's degree in Software Engineering, Computer Engineering, Computer Science, or related STEM major obtained by start date.
• Experience developing, building, or debugging software applications utilizing C, C++, or another object-oriented programming language.
• Experience with hardware-software integration, embedded system testing, or bench-level software debugging.
• Experience developing software using object-oriented principles and the practical application of common data structures and algorithms.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.
• Experience with RTOS such as FreeRTOS, VxWorks, or embedded Linux.
• Hands-on experience with microcontrollers, development boards (ARM, Arduino, Raspberry Pi).
• Knowledge of systems software design, OS architectures, and assembly language.
• Experience using modeling tools, MATLAB/Simulink, Python, or LabVIEW.
• Familiarity with hardware-in-the-loop (HIL) simulation or FPGA design (VHDL/Verilog).
• Familiarity with modern software workflows, Git, Agile methodologies.
• Exposure to ML frameworks (PyTorch, TensorFlow) or NumPy/Pandas.
• Experience creating formal technical documentation and API specifications.
• Previous internship or research in aerospace, defense, or high-reliability embedded software.

Responsibilities

• Assist in deriving software requirements, architecture design, implementation, and verification for real-time embedded software.
• Design, code, test, and integrate high-reliability software solutions for missiles, launchers, radars, and naval fire control systems.
• Work in a fast-paced agile team across the full software development lifecycle.
• Collaborate with systems engineers, hardware designers, and project managers to align requirements and interface definitions.
• Follow established software engineering processes and configuration management to deliver robust, mission-critical work products.

Skills

C/C++ programming

Object-oriented programming

Embedded software testing

Hardware-software integration

Team collaboration

Education

Master's degree in Software Engineering, Computer Engineering, Computer Science, or related STEM major

Tools

Git

RTOS

Simulink

Python

Verilog/VHDL

Job description

Date Posted: 2026-10-06

Country: United States of America

Position Role Type: Onsite

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

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

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.

Join the Software Engineering Directorate's Effectors Center team at Raytheon, where you will develop precision software applications that power the next generation of defense capabilities. In this role, you will design, code, integrate, and test critical real-time embedded software and firmware on missiles, launchers, radars, and naval fire control systems. Working as part of a fast-paced agile team at the leading edge of technology, you will gain hands-on exposure across the full software development lifecycle-advancing real-time systems design, digital signal processing, machine learning, and DevOps methodologies while helping defend our nation and allies.

This position is an onsite role located in Tucson, AZ.

• Assist in the derivation of software requirements, architecture design, implementation, and verification of real-time embedded software and application tools.
• Design, code, test, and integrate high-reliability software solutions utilizing C, C++, and object-oriented programming methodologies.
• Execute hardware-software integration, bench debugging, and testing on embedded targets and hardware-in-the-loop (HIL) environments.
• Participate actively in internal peer code reviews, software component design reviews, and technical trade studies.
• Collaborate closely with systems engineers, hardware designers, and project managers to align requirements, constraints, and interface definitions.
• Follow established software engineering processes and configuration management practices to deliver robust, mission-critical work products.

Qualifications You Must Have

• Master's degree in Software Engineering, Computer Engineering, Computer Science, or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience developing, building, or debugging software applications utilizing C, C++, or another object-oriented programming language.
• Experience with hardware-software integration, embedded system testing, or bench-level software debugging.
• Experience developing software using object-oriented principles and the practical application of common data structures and algorithms.
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

• Experience with embedded real-time operating systems (RTOS such as FreeRTOS, VxWorks, or embedded Linux) or device driver development.
• Hands-on experience developing low-level code for microcontrollers, microprocessors, or development boards (e.g., ARM, Arduino, Raspberry Pi).
• Knowledge of systems software design, operating system architectures, and assembly language.
• Experience utilizing modeling tools, simulation environments, or scripting languages (such as MATLAB/Simulink, Python, or LabVIEW).
• Familiarity with hardware-in-the-loop (HIL) simulation or FPGA design using VHDL or Verilog.
• Familiarity with modern software development workflows, version control (such as Git), and Agile methodologies.
• Exposure to machine learning frameworks (e.g., PyTorch, TensorFlow) or scientific data processing tools (NumPy, Pandas).
• Experience creating formal technical documentation, such as architecture diagrams, interface control documents, or API specifications.
• Previous internship or research experience in aerospace, defense, or high-reliability embedded software engineering.

What We Offer

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

Relocation, if eligible