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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Eng, Systems Engrg - **Company:** RTX - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $95,500.0 - $181,700.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Data Analysis, C++ (Programming Language), Data Fusion, Python (Programming Language), MATLAB, OpenSceneGraph, Simulink, Software Requirements Analysis, Systems Integration, Data Processing, Mathworks, Modeling and Simulation, Ansys - **Published:** August 12, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-CA-EL-SEGUNDO-E02--2002-E-El-Segundo-Blvd--BLDG-E02/Sr-Eng--Systems-Engrg_01866074 ## About the Role 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, * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations. * Experience with simulation and analysis of space vehicles and satellite constellations, including orbital dynamics, satellite constellation design, and satellite communications including link budget analysis. * Experience with the Ansys Systems Tool Kit (STK) or other multi-domain mission analysis, scenario modeling, and visualization for aerospace, defense, and other complex systems ie AGI STK (Systems Tool Kit, MathWorks MATLAB and Simulink, LtSim, OpenSceneGraph, Cesium, Cesium, VTK * Experience with MATLAB or Python. * Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Technical, analytical and communication skills for collaboration with peers and presentation to senior technical staff and customers. * Experience with Solis, Astrogator, and/or ODTK. * Active TS/SCI security clearance * Experience with Raytheon owned Modeling and Simulation tools (e.g. OpsTool or RCADE) or Government/Industry Modeling and Simulation tools (e.g. Missile Tool Kit or AFSIM). * Advanced degree in Science, Technology, Engineering or Mathematics (STEM). * Experience with Java, C++ or equivalent programming language * Experience conducting analyses and studies, including how to define and execute a study and evaluate a new concept of operation. ## Description * Evaluate end-to-end system requirements through CONOPS and Design Reference Missions (DRMs) to understand space and missile system integration interfaces and data connectivity across military kill-chains. * Provide modeling and simulation of satellites, constellations, and system-of-systems architectures * Support design and integration of mission data processing algorithms to improve detection, tracking, data correlation and data fusion * Develop and implement innovative model-based solutions to support mission trade studies and performance simulations. * Contribute knowledge of performance engineering practices and procedures to evaluate work across a wide range of computational problems across multiple domains. * Analyze data to understand performance requirements for integration of space and missile systems. * Develop analytical metrics to validate proposed architectures against missile and space systems requirements as well as help shape future tech growth. * Develop and implement algorithms to provide next-generation performance across entire system- of- systems to include the integration of space and missile systems. ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Cloud Vendor Lock-In - Is it just a new version of the Database Abstraction Layers?](https://www.wearedevelopers.com/videos/1185-cloud-vendor-lock-in-is-it-just-a-new-version-of-the-database-abstraction-layers) - [Robots are coming into the wild! 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