Principal Operations Research Engineer

Date Posted: 2026-10-26 Country: United States of America Location: US-TX-MCKINNEY-513WD ~ 2501 W University Dr ~ WING D BLDG 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: Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings 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 deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world.

Join us and help shape the future of aerospace and defense. Our new Mission Engineering organization is entering a transformative phase. We are integrating threat expertise, mission decomposition, architectures, technology evaluation, modeling & simulation, operations analysis, mission planners, and world‑class visualization into a unified mission thread shaping programs, pursuits, investments, and strategy.

This is an opportunity to join a team at a pivotal moment — one where your analysis, insight, and leadership can directly influence how Raytheon understands missions, builds capability roadmaps, and supports the warfighter. The team emphasizes collaboration, technical rigor, and mission-first thinking. You will be part of a high-impact organization gaining visibility, integration, and enterprise-wide influence as Raytheon strengthens its commitment to Mission Engineering, Modeling & Simulation, and Operations Analysis.

This position is onsite in McKinney, TX.

What You Will Do

Contribute and collaborate in a team environment, receiving input from the program, external customers, or team experts, and work on various projects, as you determine, develop, and implement analytic approaches that will generate the supporting data to inform programmatic decisions. Participate in the development and implementation of model-based solutions to support mission trade studies using mission and engagement level simulations to ensure they meet defined requirements and performance. 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. 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. Modeling of system and mission kill chains with tools such as Government, Commercial, and Raytheon simulations 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

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations.


• Experience with scripting languages for example: Python, MATLAB, Shell, and/or Perl.


• Experience with Government/Industry Modeling and Simulation tools including Advanced Framework for Simulation, Integration, and Modeling (AFSIM), One Semi-Automated Forces (OneSAF), Brawler, Systems Tool Kit (STK) or similar.


• Active and transferable U.S. government issued 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.


• Experience with software development, object-oriented design, C/C++ and/or Java in either Unix or Linux operating environments.


• Experience with Department of Defense (DoD), Intelligence Community (IC), Mission Areas, (e.g., Space, Air, Land) or systems such as radar, electro optical, and infrared sensing systems.


• Experience providing briefs and presentations to internal or external stakeholders/customers.


• Active Top Secret clearance


• Experience with Military Operations Analysis, Modeling & Simulation and/or data analysis & visualization.

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.

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.

• 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


• holidays


• annual short-term and/or long-term incentive compensation programs

Relocation Eligibility

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. 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 locations, regardless of whether the role is designated as on-site, hybrid or remote.

Location

Location: North Texas: #LI-RH2

The salary range for this role is 107,500 USD - 204,500 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.

Equal Opportunity Employer

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.

Clearance Information: This position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here:

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.

Privacy Policy and Terms: RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three