> Markdown version of [/jobs/ext/186236-principal-systems-engineer-air-defense-systems](https://www.wearedevelopers.com/jobs/ext/186236-principal-systems-engineer-air-defense-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer- Air Defense Systems - **Company:** RTX - **Location:** Concord, NH, United States - **Experience:** Expert - **Salary:** $107,500.0 - $204,500.0 - **Contract:** Contract - **Skills:** Data Analysis, Systems Engineering, C++ (Programming Language), Software Debugging, Python (Programming Language), MATLAB, Rhapsody, Software Engineering, Verification and Validation (Software), Systems Integration, Modeling and Simulation, Hardware Infrastructure, Programming Languages - **Published:** May 14, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-TEWKSBURY-TB3--50-Apple-Hill-Dr--CONCORD-BLDG-Tewksbury-Tb3-300-Concord/Principal-Systems-Engineer--Air-Defense-Systems_01844694 ## About the Role Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, Are you passionate about turning innovative concepts into reality? Do you thrive in dynamic environments? The Systems Engineering & Test Capabilities team discipline is seeking a Systems Engineer II to support important Air Defense programs. Every day presents a different set of challenges to overcome. Whether in hardware, software, networking, or some combination of all three, you'll be stretched to learn about how our systems work and identify the sources of new and unexpected issues through lots of troubleshooting and data analysis. You'll be expected to collaborate across disciplines and collaborate to implement solutions., * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. * Experience with one or more of the following: systems software, systems hardware, systems requirements, systems integration, systems test. Qualifications We Prefer. * Experience leading teams of engineers in the technical completion of complex tasks * Experience with generating technical documentation, such as test plans, procedures, or technical reports. * Experience working in an integration lab, test facility, or in the field, supporting requirements development, integration and/or verification. * Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools. * Experience with MATLAB, Python, C/C++, and/or other programming languages. ## Description * Support Testing Efforts: Develop and implement test plans, procedures, integration, and verification documentation in both simulated and real-world environments. * Troubleshoot and Analyze: Identify and resolve hardware, software, and system issues through detailed data analysis and debugging. * Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues. * Modeling and Simulation: Utilize modeling and simulation tools to predict system performance and support verification and validation. * Integrate Systems: Integrate hardware and software into tactical systems, evaluating their functionality and impact. * Collaborate: Work with a multi-disciplinary team to achieve seamless integration and system functionality. * Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders. * Perform Data Analysis: Conduct statistical and numerical analysis of radar performance data to ensure optimal system performance and verify requirements. * Requirements Development: Decompose and track specifications throughout complex systems architectures * Support Missions: Travel as needed (up to 10%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations. 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