Principal Simulation Analysis Engineer Onsite

Date Posted:

2026-08-19

Country:

United States of America

Location:

US-AZ-TUCSON-805A ~ 1151 E Hermans Rd ~ BLDG 805A

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: Top Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world 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.

The Integrated Solutions, Modeling, and Architecture (ISMA) center assesses, develops, and evaluates solution architectures for our customers’ largest, most complex challenges across all the operational domains. In the Operations and Mission Analysis Department you’ll be part of a special team that analyzes the world’s most challenging threats and helps define new capabilities to counter them, pushing the boundaries of innovation, and leading the industry in operational modeling and simulation using our purpose-built software.

As a team member in the Airborne Kill Chain AI/ML Section, you will join a high-performing team of engineers working with high-fidelity missile simulations to construct decision support systems used by the warfighter.

We are currently recruiting a Principal Simulation Analysis Engineer for an onsite role in Tucson, AZ

What You Will Do

• Support/lead the design, development, and/or utilization of high-fidelity digital simulation software in advanced technical computing environments.

• Support/lead trade studies to assess system performance of weapons against a variety of threats in a variety of kill chain scenarios.

• Contribute your knowledge of performance engineering practices and procedures to evaluate work across a wide range of intriguing computational problems answering questions such as: what should be the next system improvement; what is the effectiveness of the missile against a single or multiple threats; or what counter measures should be considered to increase effectiveness and/or survivability and other operational performance related questions.

• Collaborate with team members and stakeholders to develop and implement analytic approaches that produce data to guide program decisions.

• Support/lead the development, implementation, validation and testing of model-based solutions to power real-time combat decision aids and associated software.

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 unless prohibited by local laws/regulations.

• Experience with MATLAB or Python

• Experience in at least two of the following:

  • Systems engineering life cycle

  • Software development and/or object-oriented design using C/C++ and/or Java.  

  • Artificial Intelligence (AI), Machine Learning (ML) and/or Surrogate Modeling

  • Computation on high-performance computing (HPC)  

• The ability to obtain and maintain a US 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

• Specific majors: Physics, Mathematics, Applied Mathematics, Data Science, Operations Research, Systems Engineering, Industrial Engineering, Computer Science, Aerospace Engineering, Computer/Electrical Engineering

• Coursework, internship, projects or work experience in the following areas: Simulation modeling, development, and/or analysis of physical systems

• Knowledge of the systems engineering life-cycle model

• Softw