Systems Simulation Engineer I - Technology (Onsite)

Date Posted:

2026-08-20

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:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ 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 after day 1

This requisition is for an RTX intern converting to FT hire upon graduation

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.  

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.

This is an onsite role in Tucson, AZ

What You Will Do:

Activities include but are not limited to:

• 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.

Qualifications You Must Have:

• 0+ years of experience with a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) discipline (preferably Electrical Engineering, Computer Engineering, Software Engineering, Systems Engineering, Aerospace Engineering or Physics degree program) obtained by start date
• Working knowledge of C++, Python and MATLAB
• Experience working with an established code base
• Experience presenting to management
• Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer:

• Active Secret clearance
  Prior RTX internship, co-op, or work experience

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 Eligibility

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

• 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.

This position requires 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: Security Clearance FAQs - United States Department of State

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, includi