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RTX
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July 29, 2026
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Java Software Engineer I (On-Site)

State College, PA
Full-time
Onsite
$57K/yr - $109K/yr
Entry Level
RTX is the world's largest aerospace and defense company, seeking a Java Software Engineer I to design, develop, and test Java code in a Linux, Agile, DevOps environment. The role involves collaborating with systems engineers and hardware designers to deliver reliable software solutions for satellite ground systems.
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Responsibilities

  • Design, implement, and test Java-based applications and software components for satellite ground systems
  • Collaborate with cross-functional teams to define software requirements and specifications
  • Work with previously written code and make modifications as necessary
  • Ensure software performance, reliability, and scalability
  • Participate in software design reviews, code reviews, and system integration activities
  • Contribute to the completion of program and project milestones under the specific guidance of their immediate supervisor
  • Follow established Software processes and procedures, development, documentation and maintenance/management of operations concepts, requirements (system, element, segment level), external and internal interfaces, and other software engineering work products/artifacts
  • Stay updated with the latest advancements in Java/C++ and satellite technology to drive innovation

Qualification

Required

  • Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM)
  • Experience developing object-oriented software using Java in a Linux environment (Experience may be obtained through on-the-job experience, research, coursework, or projects)
  • Experience performing Unit Testing using tools such as JUnit
  • Ability to troubleshoot software errors and provide fixes in a modern Integrated Development Environment (IDE)
  • The ability to obtain and maintain a U.S. government issued TS/SCI security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Preferred

  • Experience with Agile development
  • Experience developing software using JavaScript, and Python
  • Experience working with applications in the AWS Cloud
  • Experience with microservices, Docker, Kubernetes, and containerized applications
  • Experience using the Atlassian tool suite

Benefits

  • Relocation Eligible
  • 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
  • Holidays
  • 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)
RTX operates as an aerospace and defense company as it solves the hardest problems in aerospace and defense.
Glassdoor
3.8
Founded in 2020
Arlington, Virginia, USA
10001+ employees
http://rtx.com/