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Principal Systems Engineer - Modeling Simulation & Analysis Engineer

Job in Tucson, Pima County, Arizona, 85701, USA
Listing for: Raytheon
Full Time position
Listed on 2026-03-03
Job specializations:
  • Engineering
    Systems Engineer, Robotics
Job Description & How to Apply Below
Citizen, U.Person, or Immigration Status Requirements:

S. government issued security clearance is required prior to start date.​ S. citizens are eligible for a security clearance​ Security Clearance Type:
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. 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.

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 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
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 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. S. citizens are eligible for a security clearance

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 developing signal processing / GNC algorithms or models for missile applications

Experience with control hardware design & test and/or hardware & software integration
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 navigation, guidance theory

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. Relocation Eligible – relocation assistance available for this position

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…
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