Principal Modeling & Simulation Operations Engineer

Company: RTX
Location: El Segundo
Posted on: April 1, 2026

Job Description:

Date Posted: 2025-05-06 Country: United States of America Location: CA328: 2222 E Imperial Hwy Bldg R09 2222 East Imperial Highway Building R09, El Segundo, CA, 90245 USA 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: DoD Clearance: Secret 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’s Operations and Mission Analysis Department , within Engineering Technology’s Integrated Solutions Modeling & Architecture (ISMA) Directorate, is chartered to define, architect, analyze and implement complex system-of-system solutions to multi-domain operational challenges, supporting all mission areas at Raytheon. Our department is currently hiring for a Principal Modeling Analysis & Simulation Operations Engineer to develop, analyze, and grade flexible integration solutions crossing all product areas (sensors, effectors, command and control, logistics, and operations), develop tools and methods to evaluate campaign, mission, and system level analysis and visualizations based on customer requirements. This is an onsite role located in El Segundo, CA. What You Will Do Support multiple IRADs, CR&Ds, and programs in both air and space domains as part team of Integrated Solutions & Modeling Architecture engineering team Responsible for the development and integration of variable-fidelity computer models and simulations that effectively capture system and system of systems effects in complex threat environments. These models will generate virtual and/or analytical solutions to identify technology gaps, demonstrate the operational benefits of new mission concepts (e.g., Manned-Unmanned Teaming) in complex operational scenarios, develop requirements, test systems, and train operators. Work closely with internal and external stakeholders to ensure customer satisfaction and business alignment. Evaluation of end-to-end system needs to discover system interfaces and data connectivity requirements across the kill-chain (e.g., ensuring sensors can “talk to” shooters) Modeling of system and mission kill chains (e.g., intercepting a threatening ballistic missile) with tools such as Government, Commercial, and Raytheon simulations (e.g. AFSIM, STK) Development of metrics and results products that communicate the chain of events that led to an action. Implementation of algorithms to provide next-generation performance across the entire system of systems. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. Experience with radar (RF), electro optical (EO), and/or infrared (IR) sensing systems. Experience with scripting languages Python, MATLAB and/or Perl Experience with AFSIM Military Operations Analysis, wargaming and/or Modeling & Simulation experience in the defense industry Qualifications We Prefer Active Top Secret clearance Advanced degree in STEM (and can be considered as additional experience) Experience with Numerical Optimization Techniques, Analysis of Alternatives, or Design of Experiments. Experience providing briefs and presentations to US government customers Experience with programming languages such as C, C++ 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. Relocation Eligible – relocation assistance is provided for this position Learn More & Apply Now! 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 maintenance employees, as they are essential to the development of our products. Location information: Welcome to Raytheon in El Segundo, CA The salary range for this role is 112,000 USD - 224,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, Escondido , Principal Modeling & Simulation Operations Engineer, IT / Software / Systems , El Segundo, California