Principal Systems Administrator, Tucson, Arizona

Lead IT systems administration across Windows and Red Hat Enterprise Linux in a high-security, DoD environment. Collaborate with cybersecurity and program teams to define computing requirements, implement secure end-to-end IT infrastructure, and maintain 24x7 operations. Requires DoD security clearance, on-site in Tucson, and ability to obtain DoDD 8140/8570 certifications within 6 months.