Principal Java Software Engineer; on-site
Listed on 2026-04-28
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Software Development
Java Developer, Software Engineer
Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A
Date Posted:
Country: United States of America
Position Role Type: Onsite
U.S. Citizen, U.S. Person, or Immigration Status Requirements: 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
Security Clearance Type: TS/SCI without Polygraph
Security Clearance Status: Active and existing security clearance required on day 1
What You Will Do- 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. Other responsibilities to anticipate may include:
- 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.
- Typically requires Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM).
- Eight (8) years of experience in object‑oriented software design and development using Java in a Linux environment and using unit testing tools (e.g., JUnit).
- Experience in scripting languages such as Perl and Python.
- Experience in an Agile/Dev Ops environment.
- Clearance requirements:
This position requires an active and transferable TS/SCI U.S. government issued security clearance prior to start date with the adjudication date less than three years ago from your starting date for this position. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
- 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.
The salary range for this role is 107,500 USD – 204,500 USD.
BenefitsBenefits include medical, dental, vision, life insurance, short‑term and 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 and whether or not the position is covered by a collective‑bargaining agreement.
Employment InformationThis role is a U.S.
-based role. This position is classified as Onsite. Eligibility for benefits and compensation will use the appropriate pay structure for U.S. territories if the successful candidate resides in a U.S. territory.
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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