Systems Engineer I - Guidance, Navigation, and Control (Onsite)

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

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Life insurance

Disability coverage

401(k) match

Flexible spending accounts

Flexible work schedules

Employee assistance program

Job summary

RTX in Tucson, AZ is hiring an Entry Level Systems Engineer to support the Processing, Guidance & Control Center. You will assist in evaluating, designing, implementing, and integrating embedded software algorithms for GNC, with focus on navigation, estimation, and control systems.

The role requires a Bachelor's degree in STEM by start date, experience with MATLAB, Python, C/C++, and Linux, and exposure to GNC, CFD, or related modeling/simulation.

Qualifications

• Bachelor's degree in engineering, science, physics, mathematics, or related STEM field by start date.
• Experience with MATLAB, Python, C/C++, and/or Object-Oriented design and Linux operating systems.
• Experience with one or more: GNC systems, modeling & simulation, control systems, Kalman filter design, signal processing, navigation, sensors, and APNT, or CFD.

Responsibilities

• Evaluate, design, implement, and integrate embedded software algorithms for GNC.
• Analyze system aerodynamics via CFD and wind tunnel testing.
• Collaborate in an integrated product team for tactical embedded software and six-DOF simulations.

Skills

MATLAB

Python

C/C++

OO design

Linux

Education

Bachelor's degree in engineering/science/physics/mathematics

Tools

GNC modeling tools

CFD software

Job description

Date Posted:

2026-10-02

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:

Active and existing security clearance required on day 1

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.

This is an Entry Level Role onsite in Tucson, AZ

What You Will Do:

The Processing, Guidance & Control Center is currently hiring for a Systems Engineer in Tucson, AZ to support execution of the portfolio of current and upcoming missile programs. As a Systems Engineer - Guidance, Navigation, and Control Engineer, you will play a critical role in helping with the evaluation, design, implementation, and integration of embedded software algorithms. In the GNC department, we characterize system aerodynamics through computational fluid dynamics (CFD) and wind tunnel testing, and design, integrate, and optimize effector guidance, tracking, navigation, and estimation algorithms to meet mission objectives. We evaluate these solutions in flight testing at the system-level, or lower-level subsystem testing and evaluation. You will collaborate with a team of engineers in an integrated product team that will be responsible for tactical embedded software, firmware, and six degree-of-freedom simulations to achieve overall system performance requirements.

Qualifications You Must Have:

• Bachelor's degree in engineering, science, physics, mathematics, or a related STEM field. Degree must be obtained by start date.
• Experience with MATLAB, Python, C/C++, and/or Object-Oriented design and Linux operating systems
• Experience with one or more of the following: GNC systems, modeling & simulation techniques, digital and/or modern control systems, dynamics, Kalman filter design, signal processing (electro-optical, infrared, or active/passive RF), navigation systems, sensors (IMU/GPS), and algorithms, including Assured Position, Navigation, and Timing (APNT) systems, and aerodynamics and CFD.

Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer:

• Specific majors: Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Physics, Mathematics, or Computer Science
• - Class projects, professional internships, or academic research demonstrating the ability to apply technical course work or computer skills
• Demonstrated ability to communicate effectively in a team setting, organize tasking, and work with colleagues towards a shared goal or vision.
• Prior internship, co-op, or work experience.

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.

Please consider the following role type definition as you apply for this role.

Onsite : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

This position requires ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: Security Clearance FAQs - United States Department of State

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.

Hired applicants may be eligible for benefits, including but not limited to, 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 Pr