2026 Fulltime Systems Engineer I, Modeling and Simulation Developer Onsite

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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 todays mission and stay ahead of tomorrows threat. Our team solves tough meaningful problems that create a safer more secure world.

As a System Engineer I Modeling & Simulation Developer you will be part of a team of systems engineers dedicated to delivering best-in-class Raytheon products for the warfighter through modeling simulation and analysis. Your work will help demonstrate mission effectiveness of systems and system-of-systems operating in complex threat environments. On this team you will be responsible for developing mission simulations virtual prototypes and system emulators that represent a variety of mission technologies including sensors effectors communications command and control and more. This will include integrating live-virtual-constructive (LVC) simulations with other simulations custom software commercial-off-the-shelf software (COTS) government furnished models hardware and user interfaces

What You Will Do

• Developing and integrating new capabilities into existing simulation models.
• Running our simulation environments and generating analysis data for evaluation.
• Document design approaches and implement them.
• Define and execute analysis plans.
• Participating in technical reviews with internal and external customers.
• You will contribute and collaborate in a team environment receiving input from the program external customers or team experts and work on projects as you determine develop and implement analytic approaches that will generate the supporting data to inform programmatic decisions.

Qualifications You Must Have

• Bachelors Degree in Computer Engineering Computer Science Mathematics Physics or related STEM Degree
• Experience with developing software applications including languages such as C/C or Java
• Experience with Object-oriented programming designs (OOP / OOD)

Qualifications We Prefer

• Familiar with developing software in Windows and Linux Environments.
• Familiar with or desire to learn 2D and 3D Software rendering including Texturing Shaders OpenGL Open Scene Graph
• Familiar with or desire to learn gaming engines or related technologies including Unreal / Creator / 3DS Max 3D object modeling
• Familiar with or desire to learn scientific computing software (eg: MATLAB) to evaluate analysis data.
• Experience using scripting languages (eg: Python Perl) to automate tasks.
• Familiar with or desired to learn software or system modeling practices (eg: UML SysML DoDAF)

What We Offer

• Our values drive our actions behaviors and performance with a vision for a safer more connected world. At RTX we value: Safety 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.
• 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.
• 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.
• Clearance Information: 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: part of our commitment to maintaining a secure hiring process candidates may be asked to attendselect 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 57200 USD - 108800 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 candidates 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 companys 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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