Principal Systems Engineer - Modeling Simulation & Analysis Engineer

Date Posted:

2026-04-15 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:

Ability to obtain INTERIM U. S. government issued security clearance is required prior to start date

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 a Principal Systems Engineer - Modeling Simulation & Analysis Engineers who enjoy solving complex problems, engaging in a dynamic team environment, and are eager to learn.

As a Principal 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 in C++, C, and using MATLAB or Python for evaluation of data sets

Experience developing or simulating physical systems

Experience in modeling, simulation, statistics, or analysis for existing or proposed engineering solutions

Experience as a Functional and/or Technical lead within an engineering environment

Ability to obtain an Interim Secret U. S. government issued Security Clearance is required prior to start date with the ability to obtain special 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

Leadership experience managing others using applied system engineering principles, experience working on a team and 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 Management tools such as Git

Course work or experience in some of the following fields: radar, signal & image processing, radar and/or EO/IR environment models, digital communications, probability and statistics, linear algebra, estimation theory, optimal control, system architecture, inertial navigati