L2 DC Technicians   Diagnose and troubleshoot server issues to identify and isolate root causes with help of remote network or sys admins.  Coordinate procurement of replacement components, install the parts, and manage return shipment of defective hardware to the respective vendors.  Perform server firmware upgrades to ensure systems are running on the latest approved versions.  Configure server IP addresses and default access credentials in accordance with standard procedures.  Collaborate with network administrators to resolve server-related issues, including cable replacement or re-routing, optics replacement on server and switch ports, and installation of upgraded hardware components.  Temporarily rack, stack, and cable servers or switches to enable remote access by network administrators for configuration and validation activities.  Provide hands-on support to network administrators for ad hoc requests involving serv...