Senior Aerospace Simulation Engineer

RTX; Tucson (AZ); On-site; USD 87,000 - 165,000; Full time

Job summary

RTX, the world’s largest aerospace and defense company, seeks an experienced software engineer to design and assess high-fidelity simulation tools. You will contribute to weapon system analyses and data-driven decision support in a collaborative, technically driven team environment.

The role emphasizes C++ and Python development, model-based systems engineering, and occasional travel. Candidates should hold a STEM degree with at least five years of relevant experience and a proven track record

Qualifications

• Typically requires a STEM degree and a minimum of 5 years of relevant experience.
• Experience developing software using C++ in an engineering, research, or production environment.
• Experience writing, modifying or maintaining C++ code for technical, scientific, or system-level applications.
• Experience developing scripts or applications in Python for analysis, automation, or system integration.
• Experience using Python to analyze data, model behaviors, or support operational workflows.

Responsibilities

• Support the design, development, and use of high-fidelity digital simulation software within advanced technical computing environments.
• Contribute to trade studies that evaluate weapon system performance across multiple threat types and kill-chain scenarios.
• Apply established performance engineering practices to evaluate computational problems and identify improvements.
• Collaborate in a team environment with program leadership, customers, and experts to develop analytic approaches and data for decision-making.
• Participate in development and implementation of model-based solutions, including validation and testing of models and components.
• Perform occasional travel to support project needs (typically less than 10%).

Skills

C++ development

C++ maintenance

Python scripting

Python data analysis

STEM degree

Education

STEM degree

Tools

AFSIM

Job description

RTX, the world’s largest aerospace and defense company, seeks an experienced software engineer to design and assess high-fidelity simulation tools. You will contribute to weapon system analyses and data-driven decision support in a collaborative, technically driven team environment.

The role emphasizes C++ and Python development, model-based systems engineering, and occasional travel. Candidates should hold a STEM degree with at least five years of relevant experience and a proven track record