Troubleshoot data communications network infrastructures (Cisco Wi-Fi routers, Ethernet) failures to identify and resolve the problems
• Conduct repair, maintenance, set-up, test, connection, and configuration of network elements, LAN connections, sound systems, computer systems, and audio-visual and lighting systems to maintain operational state
• Procure, install, configure, upgrade and update antivirus, software, PCs and other system/networking hardware to resolve hardware and software faults
• Conduct and coordinate general maintenance of infrastructures/facilities
• Generate, validate and update databases (collections, attendance, and membership databases)

Built, generated, validated, delivered and analyzed core system and other database reports to ensure that the bank is in balance using Fiserv/Summit

• Performed end-of-day core data backups and validated integrity of data backups
• Reviewed internal tickets and help desk requests to ensure all network (LAN/WAN) and system issues were resolved and closed
• Provided desk side and telephone support for Network/PC related troubles
• Maintained Active Directory to manage accounts, access, policy settings, servers, system images and all related processes
• Extensive use of SQL Server and SQL for scripting.

• Primarily responsible for installation, configuration and maintenance of IP network routing and switching
• Deployed and administered IP services to clients using multi-vendor equipment.
• Maintained UCCE platform with other network elements such as routers and servers
• Performed various catalyst series switches IOS upgrades and also maintained latest IOS versions
• Managed network performance monitoring systems to configure services as well as to troubleshoot, diagnose, analyze and resolve network system issues
• Provided second level, remote technical, support from Network Operation Center (NOC) to test, troubleshoot, analyze and diagnose network issues
• Resolved E1/T1, VLAN, E-LINE, E-LAN, DNS, NAT, DHCP, and other TCP/IP network faults ensuring that downtime was within the SLA and good quality of service was delivered
• Monitored, supported, and managed Cisco 7200, 6500, 5000, 4400, and switches Catalyst 3750 platforms
• Troubleshoot, configured and used protocol and technologies such as SNMP, HRSP, STP, Etherchannel, Fibrechannel, OSPF, EIGRP, MPLS, BGP, DWDM
• Maintenance and troubleshooting of network connectivity issues using ping, trace route, and nslookup
• Extensive use of Cisco CVP and IVR

* Performed installation, operation and maintenance of indoor and outdoor unit of Huawei Digital Microwave Transmission System (OptiX RTN series) as well as Cisco routers (800 series, 2600, 3600), switches, Wimax (BBU3900) Node-B, and other backbone equipment to ensure stable services with good quality
• Performed routine maintenance of Huawei Base Transceiver Station DBS3900, BTS3606E (CDMA), 3012AE and iSite 3006C to prevent sudden outages
• Participated in acceptance test of cell sites network infrastructures, ensuring that both minor and major snags are captioned and rectified before final sign-off.
• Planned and executed the selection, installation, configuration, and testing of LAN/WAN network equipment.
• Implemented enterprise network design and Integration integrating networks for enterprise clients using various protocols such as BGP, MPLS, NAT, GRE, STP VPN, and IPSEC.
• Performed python scripting for network security
• Monitored bandwidth utilization, fixed network connectivity issues and other TCP/IP related issues
• Upgraded, cut over, and patched software, network hardware, and link capacities to ensure optimum security and good performance of network elements and throughput
• Escalation Point of the NOC and Operations Teams for all LAN/WAN/WLAN Issues
• Guided and mentored technicians and junior engineers, responsible for maintenance and upgrading network hardware and software, as well as configuring network in multiple locations

Solution Outsource of Huawei Technologies Limited Kaduna
• Efficient resolution of all LAN/WAN network faults (Power outages, Access Radio, BTS and RF antenna failures) to ensure service availability and maintain downtime within the SLA
• Carried out physical and data-link layer voice for crosstalk, attenuation, cable length losses and resistance using Micro-test pentascanners
• Reviewed and executed Work Order, Change Request and Trouble Tickets as dispatched from NOC to ensure good and timely resolution of network faults
• Terminated, installed, replaced, and repaired Fiber Optic (single mode, multi-mode), RF coax, routers, switches, Ethernet cables (Cat 5, Cat 6), modules, circuit boards and other network elements to maintain efficiency
• Performed all voice and data cross connect using punch-down blocks with category three, four and five cables
• Monitored network infrastructure and elements for alarms through terminal monitoring systems and man-machine interfaces
• Maintained UCCE platform with routers and servers and interfaced with clients for troubleshooting