> Markdown version of [/jobs/ext/3027265-principal-systems-engineer-string-engineer-and-analyst](https://www.wearedevelopers.com/jobs/ext/3027265-principal-systems-engineer-string-engineer-and-analyst). 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, String Engineer and Analyst - **Company:** RTX - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $118,300.0 - $224,900.0 - **Contract:** Contract - **Skills:** Testing (Software), Data Analysis, Systems Engineering, Unix, CompTIA Network+, CompTIA Security+, Linux, Perl (Programming Language), Python (Programming Language), Linux System Administration, MATLAB, Networking Basics, Scrum Methodology, Red Hat Enterprise Linux, Shell Script, Signal Processing, System Testing, Systems Integration, Test Execution Engine, Real Time Systems, System-level Testing, Atlassian Tools, Devsecops, Cisco - **Published:** September 22, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-CA-SAN-DIEGO-SD1--8650-Balboa-Ave--SAN-ANTONIO-BLDG/Principal-Systems-Engineer--String-Engineer-and-Analyst_01876471 ## 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, Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience. * Experience with systems engineering, data analysis, integration, verification, validation and/or system testing. * Experience with MATLAB, Python, Perl, Shell scripting, Linux, and/or Unix. * Experience with hardware and/or software testing in an engineering lab environment. * Experience with networking principles. Qualification We Prefer * Familiarity with test equipment such as oscilloscopes, spectrum analyzers, and data acquisition systems. * Experience working with modern radar systems, radar signal processing, and real-time systems integration. * Hands-on expertise in electronic hardware configuration, software installation, and network setup for systems operating in String/HWIL facilities. * Experience with String/HWIL test equipment, RF electronic hardware, and radar systems integration and testing. * Certifications such as CompTIA Network+ or CompTIA Security+. * Proficiency in Red Hat Enterprise Linux (RHEL), Cisco Switch Configuration, clock synchronization (NTP/PTP), and shell scripting for integration, verification, and data analysis. * Knowledge of system security concepts and tools in Linux environments. * Familiarity with agile and DevSecOps practices, including participation in sprint reviews, PI planning, retrospectives, and experience with tools such as JIRA and Confluence. ## Description Raytheon's Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center is seeking a motivated and experienced Principal Systems Integration & Test Engineer to support radar capability development in San Diego, CA. This is an opportunity to work with cutting-edge radar technology, leveraging your expertise in Linux operating systems, hands-on experience with system hardware and software in test lab environments, and exceptional troubleshooting skills to solve complex technical challenges. If you're a proactive problem-solver with a collaborative mindset and are ready to make an impact in the aerospace and defense industry, we encourage you to join our innovative team driving the future of advanced radar systems. What You Will Do * Assist in planning, executing, and documenting system integration and test activities for a radar program in a laboratory environment. * Perform hands-on testing and integration of hardware and software, with a focus on systems running Linux-based operating environments. * Troubleshoot and resolve system-level issues related to software, hardware, and operating systems under the guidance of senior engineers. * Collaborate across multidisciplinary teams to identify and address technical challenges. * Develop and execute detailed test plans, procedures, and reports in accordance with program requirements. * Support system-level test readiness reviews, test execution, and post-test analysis. * Ensure adherence to safety protocols, quality standards, and program-specific processes. * Willingness to support up to 15% domestic and international travel. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)