Sr. Systems Engineer - Modeling Simulation Analysis Engineer

Date Posted:

2026-01-21

Country:

United States of America

Location:

US-AZ-TUCSON-9020 ~ 9020 S Rita Rd ~ BLDG 9020

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

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.

Raytheon engineers develop the next generation of defense technologies that support our military and protect our nation and allies. We are the world’s leader in developing cutting edge defense technologies through simulation-driven virtual environments. Our software products empower the next generation of innovative weapons systems and advanced AI/ML solutions.

We’re looking for Sr. Systems Engineer - Modeling Simulation & Analysis Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn.

As a Sr. Systems Engineer - Modeling Simulation & Analysis Engineer, you will participate in challenging multi-disciplinary work across integrated product teams consisting of Guidance, Navigation & Control (GNC), Signal Processing and missile-and-sensor-level Performance Simulations. Our Performance Simulation teams provide, develop, and maintain high fidelity performance simulations, evaluate system performance, support new business initiatives and develop & execute technology roadmaps.  This is an Onsite role in Tucson, AZ.

What You will Do

• You will create high fidelity simulations and models for missile design, performance assessment, and flight test support
• You will be responsible for the development and implementation of modeling solutions, and subsequently conduct trade studies and evaluation of system and subsystem performance
• You will work in a team environment, receiving input from the team supervisors and providing guidance and/or direction to other team members
• You will collaborate with Guidance, Navigation & Control (GNC), Signal Processing, and other performance personnel to perform simulation activities according to the program schedule
• You will work on different projects, determine, and develop approaches and solutions, and provide development guidance throughout the product lifecycle from initial concept to fielded product
• You will provide technical expertise for the simulation products of a specific program, and assist Senior Modeling Engineers in the preparation of detailed plans, and may interact with government counterparts as an authority on simulation products

Qualifications You Must Have

• Typically requires a Bachelor’s degree in Engineering, Science, Physics, Mathematics, or a related STEM degree and a minimum of 5 years of relevant prior experience
• Experience applying object-oriented software design and programming in C or C++
• Experience using Python or MATLAB for evaluation of data sets
• Experience modeling or simulating physical systems
• Experience in modeling, simulation, statistics, and/or analysis for existing or proposed engineering solutions
• The ability to obtain and maintain a U.S. government issued Secret Security Clearance is required prior to start date with the ability to obtain program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Advanced Degree in Engineering, Science, Mathematics, or related STEM degree
• Experience using applied system engineering principals, experience working on a team and/or by yourself, interfacing with multiple engineering disciplines
• Experience creating and/or presenting technical briefings
• Experience developing signal processing / GNC algorithms or models for missile applications
• Experience with control hardware design & test and/or hardware & software integration
• Experience modeling physics and/or modeling physical systems as related to flight dynamics
• Experience using UNIX / Linux based workstations and using Software Configuration Manageme