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# Principal Software Integration Engineer (On-Site)

- **Company:** RTX
- **Location:** State College, PA, United States
- **Salary:** $107,500 - $204,500
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Amazon S3, Automation of Tests, Bash Shell, Software Debugging, DevOps, Distributed Systems, Amazon DynamoDB, Integrated Development Environments, Python (Programming Language), Amazon Simple Notification Service (SNS), Software Engineering, Systems Integration, Enterprise Software Applications, Prompt Engineering, AI Coding Agents, Cloudformation, Atlassian Tools, Amazon Simple Queue Service (SQS)
- **Published:** November 12, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9308343/principal-software-integration-engineer-on-site

## About the Role

* Typically requires a Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of relevant experience, or a minimum of 5 years of experience with an advanced degree.

 * Experience briefing business and customer leadership and influencing decisions.

 * Experience in a technical leadership role for a multi-disciplined engineering team.

 * Experience working in an Agile and DevOps development environment, designing and implementing software systems, and deploying and debugging distributed systems.

 * Proficiency in AI-assisted software development, modern AI application architectures, prompt design and optimization, AI solution evaluation and testing, and secure, responsible implementation of AI technologies within enterprise applications.

 * Active and transferable U.S. government issued TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer

 * Experience with core Java, Bash, and Python programming languages.

 * Experience with AWS services, including S3, SQS, SNS, CloudFormation, and DynamoDB.

 * Experience with Ground Systems Integration in Space or Intelligence domains.

 * Previous participation in an enterprise test campaign.

 * Experience with automated testing.

Learn More & Apply Now!

Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

## Description

Raytheon (RTX) is seeking a Principal Software Integration Engineer to join the Enterprise Mission Integration & Test (EMIT) program. This role is critical to enabling the integration of a large system of systems by planning and synchronizing integration activities across multiple stakeholders. You will work in a fast-paced environment supporting new and exciting missions, gaining visibility across an entire customer enterprise. Your contributions will directly impact the success of mission functionality, early risk reduction, and end-to-end mission thread integration.

What You Will Do

 * Participate in ground/space and space/ground mission integration activities to support solution demonstrations and enterprise test campaigns.

 * Brief senior customer leadership on integration status, including risks, issues, and gaps.

 * Provide input on the state of ground integration readiness to support demonstrations and enterprise test events, focusing on high-risk interfaces.

 * Communicate mission integration activity status with Thread Leads and program Acquisition Offices to align system integration priorities.

 * Contribute to the development of mission integration architectural solutions for test automation supporting solution demonstrations and enterprise tests.

 * Leverage Atlassian tools to generate metrics and reports on integration progress, ensuring accountability from program teams.

 * Design and implement new automated tests, validating and troubleshooting behavior upon completion.

 * Collaborate with multi-disciplined engineering teams and external stakeholders to ensure successful integration and testing of mission capabilities.