2026 Simulation Analysis Engineer I - Onsite

Job Description:

Date Posted:2026-04-14
Country:United States of America
Location:US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805
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

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

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. Join us and help shape the future of aerospace and defense.

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.

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 ISMA directorate you will be working with high-fidelity missile simulations to construct decision support systems used by the warfighter.
We are currently recruiting an Entry Level Simulation Analysis Engineer for an onsite role in Tucson, AZ.
What You Will Do:
* Support the design, development, and/or utilization of digital simulation software in advanced technical computing environments.
* Contribute to 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 to answer questions such as: what should be the next system improvement; or what is the effectivity of the missile against a single or multiple threats; or what counter measures should be considered to increase effectivity and/or survivability and other operational performance related questions.
* Collaborate in a team environment, receiving input from the program, external customers, or team experts, and work on varied 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 power decision support systems, and participate in validation and testing models, software components and/or integrated systems.
* Occasional travel as needed to support the customer/ Program. (
Qualifications You Must Have:
* Bachelor's degree in Science, Technology, Engineering, or Mathematics (including computer science)
* Experience with at least one programming language such as MATLAB, Python, or C++
* Knowledge of applied and/or academic experience with Modeling and Simulation or Data Analysis.
* Experience in at least one of the following:
* Systems engineering life cycle
* Software development and/or object-oriented programming.
* Applying Artificial Intelligence (AI) to SW development
* Machine Learning (ML) and/or Surrogate Modeling,
* Descriptive or Inferential Statistics
* Operations Research
Experience may be obtained through on-the-job experience, research, coursework, or projects
Qualifications We Prefer:
* Advanced Degree in one of the following majors: Systems Engineering, Software Engineering, Operations Research, Electrical Engineering, Applied Mathematics, Industrial Engineering, Physics, or Aerospace Engineering.
* Active Top Secret DoD clearance.
* Active duty or reserve Military Experience
* Experience with AFSIM or other Simulation Modeling development, and/or analysis.
* Strong written and verbal communication.

What We Offer:
* Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.
* Relocation eligible
Learn More & Apply Now!
Please consider the following role type definition as you apply for this role.
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.
Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume.
This position requires the ability to obtain 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

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 salary range for this role is 57,200 USD - 108,800 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.

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