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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer Int & Test - Automated Testing - **Company:** RTX - **Location:** Aurora, CO, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Agile Methodology, Systems Engineering, Confluence, JIRA, Automation of Tests, Cloud Computing, Perl (Programming Language), Python (Programming Language), Microsoft Office, Microsoft PowerPoint, Systems Development Life Cycle, Regression Testing, Requirements Management, Software Deployment, Software Engineering, Software Systems, Verification and Validation (Software), Systems Integration, Test Execution Engine, Strategies of Testing, Scripting, Bitbucket, Cucumber (Software) - **Published:** July 18, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-CO-AURORA-S75--16800-E-Centretech-Pkwy--BLDG-S75/Principal-Systems-Engineer-Int---Test---Automated-Testing_01860385 ## About the Role 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, * Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8+ years of prior relevant experience * Experience supporting software integration and/or test activities within a government software development program * Experience developing, executing, and integrating automated tests using automated test frameworks and tools * Experience developing scripts using Python and/or Perl * Active and transferrable U.S. government-issued DoD TS/SCI clearance is required prior to start date with the ability to obtain special program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer * Experience working in an Agile development environment using tools such as Jira, Confluence, and Bitbucket * Experience with automated testing tools, including Cucumber * Experience developing and deploying software in cloud-based environments * Experience using Model-Based Systems Engineering (MBSE) tools, such as Cameo Systems Modeler * Experience with the systems engineering lifecycle, including one or more of the following: Concept of Operations (CONOPS) development, requirements management, functional analysis, interface definition and control, or verification and validation * Proficiency with Microsoft Office applications, including Word, Excel, and PowerPoint ## Description We have an exciting opportunity for a Principal Systems Engineer Integration and Test - Automated Testing to support one of our premier programs. In this role, you will work with a cross-disciplinary team of engineers delivering advanced ground system solutions. As part of the Systems Integration and Test (SI&T) team, you will integrate, verify, and validate complex systems to ensure they meet performance, quality, and mission requirements. You will develop test plans and procedures, evaluate system functionality and interfaces, build and maintain test environments, analyze system performance, and collaborate closely with customers and cross-functional engineering teams to deliver reliable, mission-critical capabilities. What You Will Do * Execute the program's test strategy, including test process development, baseline definition, test architecture, verification, and validation activities * Support full lifecycle integration and testing of real-time ground software systems, including software installation, test execution, regression testing, and root cause analysis * Collaborate with multidisciplinary and multi-vendor teams to integrate, validate, and verify software releases from upstream development teams * Support customer-led mission test events and system-level integration activities * Partner with Raytheon senior leadership, government customers, and technical subject matter experts to support system development, integration, and test execution * Contribute to Agile software development activities as part of a collaborative, cross-functional program team ## Related Videos - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [JavaScript? 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