Preferred Qualifications At least five years within the past ten years managing enterprise IT teams in geographically separated locations supporting O&M of physical/virtual servers, Windows and UNIX/Linux, databases (for example, Microsoft and SQL), collaboration tools (for example, SharePoint), VMware, ESXi, applications, scripting, SANs, and enterprise computer security. Clearance: Active Secret Nationwide IT Services, NIS, is seeking a Systems/Network Administrator Lead to direct systems/network operations and maintenance for the United States Military Entrance Processing Command (USMEPCOM) under the Enterprise Network for Lifecycle, Information Support, and Technology (ENLIST).