Windows Systems Administrator

Comtech Telecommunications Corp. in Chandler, AZ is seeking a Senior Systems Administrator to ensure reliability, security, and compliance across Windows AD environments and isolated enclaves. You will lead daily operations, perform structured troubleshooting, and implement security controls per NIST SP 800-53, STIG/SCAP, and ACAS/Nessus with collaboration with the ISSO/ISSM. Responsibilities include managing AD and GPOs, patching, vulnerability management, backups, and cross-environment J-18808-Ljbffr