Maintenance, O&M, Data Center Infrastructure, Inside Plant (ISP) cabling headend technician, CATV, Level 3, Level 4, (III & IV), Fiber, DC Power, Broadband, Modem routers, router, cable modem termination system (CMTS)" broadband telecommunication, telecom, telecommunications, network cabling, RF wiring, HEC, Mini RF, Cat 5/6, Fiber Jumpers, connectors, racks, OTDR, Comcast, Cox, SCTE, #tekcomjobs. You will be leading and supervising a team that installs troubleshoots, upgrades, modifies, and performs preventive maintenance on ISP specific data centers and headend telecommunication sites throughout the Chicago, IL area.