Senior Simulation Systems Engineer Onsite

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

Benefits offered by this job

Medical, dental, vision

401(k) match

Flexible schedules

Job summary

RTX is seeking professionals to support the design, development, and use of high‑fidelity digital simulation software in advanced computing environments. You will contribute to trade studies, evaluate weapon system performance across threats, and collaborate with leadership, customers, and experts to drive data‑informed decisions.

Role requires a STEM degree, 5+ years of relevant experience, and an active U.S. Secret clearance with U.S. citizenship. Occasional travel (<10%) is expected. Onsite work in Tucson, AZ with RTX’s aerospace mission focus.

Qualifications

• Requires degree in science, tech, engineering or math (STEM) and 5+ years of relevant experience.
• Experience developing software code in Python and C++.
• Active U.S. Secret clearance is required at application time; U.S. citizenship is required.

Responsibilities

• Support the design, development, and use of high‑fidelity digital simulation software.
• Contribute to trade studies evaluating weapon system performance across threats.
• Collaborate with program leadership, external customers, and technical experts to inform decisions.
• Develop and implement model‑based solutions and validate software components.
• Travel occasionally (typically <10%).

Skills

Python

C++

Education

STEM degree

Tools

AFSIM

Job description

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.

What You Will Do

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 and procedures to evaluate a wide range of computational problems, including assessments of potential system improvements, missile effectiveness against single or multiple threats, and identification of countermeasures that may influence effectivity or survivability. Collaborate in a team environment by incorporating input from program leadership, external customers, and technical experts, and develop analytic approaches that generate data required to inform programmatic decisions. Participate in the development and implementation of model‑based solutions that support decision systems, including the validation and testing of models, software components, and integrated system elements. Perform occasional travel to support project needs (typically less than 10%).

Qualifications You Must Have

• 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 developing software code in python/C++.
• An active and transferable U.S. Secret government issued security clearance is required at the time of application for this position.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

• Advanced degree in Physics, Applied Mathematics, Electrical Engineering, or Aerospace Engineering.
• Experience using AFSIM or other mission analysis simulation tools.
• Experience with campaign analysis simulation tools.
• Experience applying the physics of magnetism in a practical, research, engineering, or laboratory setting.

Location

Tucson, AZ

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.

Security Clearance

This position requires a 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: https://www.state.gov/m/ds/clearances/c10978.htm

Salary

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels.

Benefits

• 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.

Hiring Process

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.

The application window is expected to close 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.

Equal Opportunity

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.

Company

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry‑leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.