Principal Java Software Engineer (on-site)

Prattwhitney; State College (Centre County); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Parental leave

Flexible work schedules

Educational assistance

Employee Scholar Program

Paid time off

Holidays

Relocation assistance

Job summary

RTX is seeking a Principal Java Software Engineer for onsite work in State College, PA, Ft. Meade, MD, or Aurora, CO. You will design, develop, and test Java code in a Linux, Agile, DevOps environment within our Satellite Ground Systems Team, helping advance aerospace and defense capabilities.

The role requires strong Java and Linux experience, unit testing (JUnit), scripting skills, and a track record in Agile/DevOps. Citizenship and security clearance are mandatory for start.

Qualifications

• 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, is required prior to start date.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• 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 (e.g., JUnit).
• Experience with scripting languages such as Perl or Python.
• Experience in an Agile/DevOps environment.

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 and satellite technology to drive innovation.

Skills

Java programming

Linux experience

Unit testing (JUnit)

Scripting (Perl, Python)

Agile/DevOps

Education

STEM degree

Tools

Ansible

Jenkins

Spring Framework

Atlassian tool suite

Containers

Job description

Date Posted: 2026-06-25 Country: United States of America Location: US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required on day 1

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. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world.

In the Principal Java Software Engineering role, you will design, develop, and test Java code in a Linux, Agile, DevOps environment. We are at the forefront of aerospace and defense technology. Our Satellite Ground Systems Team plays a pivotal role in ensuring communication, surveillance, and defense capabilities through cutting‑edge satellite systems. We invite you to be part of a team that pushes the boundaries of what's possible. This is an onsite position in either State College, PA, Ft. Meade, MD or Aurora, CO.

What You Will Do

• 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.

Qualifications You Must Have

• 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, is required prior to start date.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• 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 (e.g., JUnit).
• Experience with scripting languages such as Perl or Python.
• Experience in an Agile/DevOps environment.

We Prefer

• 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.

What We Offer

Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs.

• parental (including paternal) leave
• flexible work schedules
• achievement awards
• educational assistance
• child/adult backup care

Relocation Eligibility - Relocation assistance is available.

• 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

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.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.