Oman Electricity Transmission CompanyCommunications Engineer
Mar. 2017 - Oct. 2020Muscat● Maintained and configured control center telephony system devices such as: IP-PBX, IP- phones, VoIP server, SIP trunk routes, voice recorder, leased line devices, GSM gateway and modems.
● Designed and developed full Cisco network architecture with configuration of switches, routers, wireless routers, and IP subnetting for SCADA and telecom networks.
● Designed MPLS network and configured LER, LSR, labels, rings, VPLS, VPNS, Pseudo Wires between substations.
● Migrating from SDH multiplex to MPLS-TP as a main transport network for carrying data for SCADA, energy metering, VoIP, image, video.
● Worked with Omantel and Ooredoo to implement MPLS route in remote areas.
● Configured Firewall with ACL, routing table and updating firmware and signature Cybersecurity hardening using firewall, RADIUS Server for infrastructure technology desing.
● Connected Fiber Optic Cable and measured losses, attenuation and dispersion using OTDR
● Monitored networks performance using SNMP in Network Monitoring System
● Performed and enhanced the QoS for WAN/LAN when requests arise
● Developed, installed, maintained, and expanded telecommunication system for OETC transmission network to realize efficient OETC communication system for protection, SCADA, CCTV, Energy Meters, WAMS and voice communications as well as support external parties like Distribution and telecommunication Companies.
● Installation, commissioning, configuration, and maintenance of systems at substations and LDC. Main Equipment to be maintained includes: SDH, Multiplexers, Fiber Optic cables, Grid Station telephone system network (PBX)
● Maintained LDC Control Room Call Center devices such as PBX and user Telephones, VOIP Server, Voice Recorder, Digital and Leased Line devices, GSM Gateway, and Modems.