Principal Java Software Engineer (Onsite)

Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A

Date Posted: 2026-04-06

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. In the Principal Java Software Engineering role, you will design, develop, and test Java code in a Linux, Agile, DevOps environment targeting satellite ground systems.

• The Principal Java Software Engineer will design, develop, and maintain advanced software applications for our Satellite Ground Systems. This role involves close collaboration with systems engineers, hardware designers, and other software engineers to deliver reliable and high-performance software solutions.
• 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 and satellite technology to drive innovation.

• Active and transferable TS/SCI with Polygraph U.S. government issued security clearance with an adjudication date less than three years from your start date for this position; U.S. citizenship is required.
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience in object-oriented software design and development using Java in a Linux environment.
• Experience using unit testing tools (eg, JUnit).
• Experience with Scripting languages such as Perl or Python.
• Experience in an Agile/DevOps environment.

• Experience with Ansible, Jenkins, containers, and the Spring Framework.
• Security+ certification.
• Experience using the Atlassian tool suite.
• Experience with satellite communication systems and protocols is highly preferred.
• Familiarity with secure coding practices, especially in a defense or aerospace setting.

• Compensation includes competitive salary, healthcare, wellness, retirement, and work/life benefits; career development and recognition programs.
• Parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care.
• Relocation assistance is available.

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.