Software Engineer I (Onsite)

RTX (Raytheon); Tucson (AZ); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

RTX is seeking a software engineer in Tucson, AZ to develop and test real-time embedded software for defense systems. You will design, implement, and verify software for missiles, launchers, radars, and naval fire control equipment, working within an agile team and HIL environments.

Responsibilities span requirements derivation, architecture design, and integration, with close collaboration to systems engineers, hardware designers, and project managers.

Qualifications

• Bachelor's degree in Software Engineering, Computer Engineering, Computer Science or related STEM field required by start date.
• Experience developing, building, or debugging software in C, C++ or an object-oriented language.
• Experience with hardware-software integration, embedded testing, or bench-level debugging.
• Experience applying OO principles and common data structures/algorithms.

Responsibilities

• Derive software requirements, architecture design, implementation, and verification of real-time embedded software.
• Design, code, test, and integrate high-reliability software for missiles, launchers, radars, and naval systems.
• Perform hardware-software integration and bench testing in HIL environments.
• Participate in internal code reviews, design reviews, and trade studies.
• Collaborate with systems engineers, hardware designers, and project managers to align interfaces.
• Follow software engineering processes and configuration management to deliver mission-critical products.

Skills

C/C++

Embedded systems

Object-oriented programming

Software testing

Python

Education

Bachelor's degree in STEM

Tools

Git

MATLAB/Simulink

Python

LabVIEW

VHDL/Verilog

Job description

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

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

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.

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.

• 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.

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

Qualifications You Must Have

• Bachelor'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