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2026 Intern - Raytheon Software Systems Engineer

RTX

$42,000 - $88,000
Sep 10, 2025
Arlington, VA, USA
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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. The Integrated Solutions Modeling & Architecture (ISMA) Department supports customer focused mission modeling and simulation activities for all customer areas at Raytheon.

Requirements

  • Academic experience of modeling and simulation, or related disciplines.
  • Knowledge of the system engineering life-cycle model.
  • Completion of at least one course in data analysis and/or statistics.
  • Coursework or demonstrated experience in at least two of the following areas: Software development processes/object-oriented software design, Scripting languages such as Python, Shell or Perl, Numerical computing environments such as MATLAB, AI/ML and high-performance computing (HPC) grids.

Responsibilities

  • This is an onsite internship for modeling and simulation (Mod Sim) using our Python-based proprietary Mod Sim software.
  • You will contribute to evaluating intern-level appropriate work across a wide range of intriguing problems to answer operational questions such as: What should the next military system-of-systems look like? What is the effectiveness of new technologies against large-force adversary and multiple threats?
  • You will contribute to mission-level system modeling and data analysis activities to support new business, system-of-systems design, and operational impacts of new concepts of operations.
  • You will learn the skills which set apart this high performing team from other endeavors in the industry.
  • You will support and build Mod Sim software and analyze results to influence the product lifecycle.
  • You will develop and implement model-based solutions to support mission trade studies using mission level simulations to ensure they meet defined requirements and performance.
  • You will innovate and explore ideas which make a difference.

Other

  • Must be a rising Junior by the start of Summer 2026 majoring in Science, Technology, Engineering, or Mathematics (STEM), or equivalent.
  • Minimum 3.0 cumulative GPA is required.
  • 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
  • DoD Clearance: Secret