Systems Engineer II, Modeling Simulation Developer Onsite
RTXAbout the role
Date Posted:
2026-03-16Country:
United States of AmericaLocation:
US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDGPosition Role Type:
OnsiteU.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 clearanceSecurity Clearance Type:
DoD Clearance: SecretSecurity Clearance Status:
Active and existing security clearance required on day 1At 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 is seeking a System Engineer II – Modeling & Simulation Developer, to be a part of a team of systems engineers dedicated to delivering best-in-class Raytheon products for the warfighter through modeling, simulation, and analysis. Your work will help demonstrate mission effectiveness of systems and system-of-systems operating in complex threat environments. On this team, you will be responsible for developing mission simulations, virtual prototypes, and system emulators that represent a variety of mission technologies including sensors, effectors, communications, command and control, and more. This will include integrating live-virtual-constructive (LVC) simulations with other simulations, custom software, commercial-off-the-shelf software (COTS), government furnished models, hardware, and user interfaces.
What You Will Do
Develop and integrate new capabilities into existing simulation models.
Run simulation environments and generate analysis data for evaluation.
Document and implement design approaches
Define and execute analysis plans.
Participate in technical reviews with internal and external customers.
Contribute, collaborate in a team environment.
Communicate with many levels of program and government stakeholders
What You Will Learn
Integrating distributed Live-Virtual-Constructive (LVC) simulation components.
IEEE 1278 DIS, IEEE 1516 HLA, and/or TENA
2D and 3D software rendering, including Texturing, Shaders, OpenGL, Open Scene Graph, etc.
Gaming engines or related technologies: Unreal / Creator / 3DS Max, 3D terrain and object modeling, Grasp of OS fundamentals (Shared Mem, Multi-Threaded, etc.)
Qualifications You Must Have
Typically requires a Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM preferred) and a minimum of 2 years of prior engineering experience.
Experience with using the following software applications and configuration management tools: C/C++, Python, Perl, Object-oriented programming design (OOP/OOD), GitHub, Subversion (SVN), etc
Experience with software libraries and application program interface (API)
Ability to obtain and maintain a US Secret security clearance prior to the start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Qualifications We Prefer
Experience developing software in Windows and Linux Environments.
Experience with Agile Development Lifecycles.
Experience with software or system modeling practices (eg: UML, Syms, DoDAF)
Experience with simulation tools and visualization environments, including: SIMDIS, AFSIM, Simulink, STK, MaK Image Generation systems
Experience with scientific computing software (eg: MATLAB) to evaluate analysis data.
Experience with RADAR, Electro Optical (EO), and/or Infrared (IR) sensing systems.
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.
Not Relocation Eligible – Relocation assistance not available
Learn More & Apply Now! (Optional)
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 maintenanc
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