Senior Windows/Linux Systems Admin — DoD‑Cleared, On‑Site

RTX is seeking a capable IT Systems Administrator to run a mixed Windows and Linux environment. The role demands hands‑on management of DNS/DHCP/AD, VMware vSphere, and security requirements in a DoD context. You will troubleshoot complex issues, support 24x7 operations, and collaborate with Cybersecurity to meet certifications. Applicants must hold or be able to obtain a DoD security clearance, be a U.S. citizen, and be willing to work on site with occasional travel up to 10% across domestic #J-18808-Ljbffr Raytheon