CDSIDAMLinuxSysAdmin

**Date Posted:** 2026-06-05 **Country:** United States of America **Location:** US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 **Position Role Type:** Onsite **U.S. Citizen, U.S. Person, or Immigration Status Requirements: ** 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​ **Security Clearance Type:** DoD Clearance: Top Secret **Security Clearance Status:** Active and existing security clearance required on day 1 RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA. **Position Overview:** RTX is seeking a highly skilled and motivated Linux System Administrator with extensive experience in Red Hat Enterprise Linux (RHEL), Automation, and Windows Active Directory integration. The ideal candidate will also possess a strong understanding of Public Key Infrastructure (PKI) and demonstrate the ability to manage secure, mission-critical systems in a fast-paced environment. The role will involve implementing, maintaining, and troubleshooting systems to ensure optimal performance and security in support of RTX's aerospace and defense operations. **What You Will Do:** * Install, configure, and maintain RHEL-based Linux systems and Windows servers to meet operational requirements. * Develop and implement automation scr