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RTX
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October 12, 2026
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Software Engineering Intern (Summer 2027)

Fullerton, CA
Internship
Onsite
Intern
RTX is hiring a Software Engineering Intern to help develop software for radar and command-and-control systems. The intern will contribute to software that processes sensor data, connects services, and presents information through web applications while working alongside experienced engineers.

Responsibilities

  • Build useful software: Design, code, test, integrate, and document new capabilities and improvements to existing applications
  • Connect data to decisions: Contribute to software that processes information, connects services, or presents complex data through web interfaces and visualizations
  • Solve a defined engineering challenge: Translate requirements into an implementation, explore technical tradeoffs, and deliver work with clear scope and expectations
  • Collaborate across disciplines: Work with software and systems engineers to understand how your contributions fit into the larger system
  • Learn through feedback: Participate in design discussions, code reviews, and demonstrations to strengthen your engineering judgment and communication skills
  • Develop professional engineering habits: Use version control, automated testing, debugging, and established development processes to produce reliable, maintainable software

Qualification

Required

  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract
  • Must be pursuing a Bachelor's or Advanced degree in an applicable discipline and actively ++enrolled through completion of the internship / co-op session
  • Must have a minimum of 60 hours of credit by the start of the internship / co-op session
  • Experience writing software in at least one language, such as C, C++, Java, Python, or TypeScript. Experience gained through coursework, research, personal projects, or previous internships qualifies

Preferred

  • Software design fundamentals, including object-oriented programming, data structures, and algorithms
  • Web application development, including user interfaces, backend services, REST APIs, or databases
  • Systems programming, concurrent programming, networking, or applications that process streaming data
  • Data visualization, statistical or numerical methods, or an interest in sensor and radar applications
  • Development tools and practices such as Git, Linux, automated testing, or continuous integration
  • Projects that demonstrate curiosity, initiative, and the ability to turn an idea into working software
  • Clear communication, effective teamwork, and a willingness to ask questions, learn from feedback, and work through unfamiliar problems

Benefits

  • Relocation Eligible
  • Hired applicants may be eligible for 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.
RTX operates as an aerospace and defense company as it solves the hardest problems in aerospace and defense.
Glassdoor
3.7
Founded in 2020
Arlington, Virginia, USA
10001+ employees
http://rtx.com/

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