
This onsite Principal Windows System Administrator role at RTX in Plano, Texas, supports critical aerospace and defense programs requiring an active Top Secret security clearance. The position involves managing heterogeneous Microsoft Windows and Red Hat environments, administering SharePoint, and optimizing virtualization platforms like VMware. Key responsibilities include resolving complex L2/L3 technical issues, maintaining secure infrastructure, and collaborating with cybersecurity teams to ensure compliance. The role appeals to engineers seeking to work on mission-critical projects that protect national security within a culture that values innovation and collaboration. While the position is primarily onsite, it offers relocation eligibility and requires up to 10% domestic travel.


