Network management and troubleshooting for both LAN/WAN which includes managing wireless access points and cabled system, security intrusion management, firewall and access-list application, Device sharing.
Planning, configuration, implementation and support for network infrastructure both in-house and branch offices across the world.
Managing shared resources over VPN for company branches spread across the world.
Manage IT Service help desk, providing alternative solutions and educating staff on computing methods.
Managing VOIP/IP Telephony.
Server Administration and database management using Windows server and Ubuntu Server, Microsoft SQL Server.
Responsible for managing users on domain, passwords, setting up emails, designing and updating website and intranet, backup both locally and on cloud backup and also automated backup.
Responsible for all centralized servers including Active Directory server, ERP server, Anti-Virus enterprise Server.
Manage security systems like CCTV, Access door control, internet policing.
Work in-line with the Business Technical Analyst & team to advice on IT related matters, communicate with relevant vendor, request for and compare quotes, negotiate to get pricing and make recommendations.
Training of all staff on new procedures and relevant computing subject that broadens their knowledge.
Network management and backhaul troubleshooting.
IP addresses management and assignment.
Routing back holes to ensure network stability.
Facilitate solution provision for network failures.
Configuration of hardware devices (such as firewalls and routers, switches)
Provide support for field engineers at BTS; test links to ensure no packet loss, maximum speed and no duplex mismatch, test radio frequency.
Provide support for Installation and commissioning of new BTS also test new links to ensure no packet loss.
Provisioning of links (p2p or fiber) for new enterprise customers including bandwidth and policy control, VPN configuration, assignment of public and private IP addresses, physical interfaces and Vlans etc.
Setting up virtual servers for NMS, syslog, NTP, mail servers etc.
Using software network monitoring tools like M2000, U2000, Zenoss, Cacti, PRTG, Nagios etc.
Setting up NMS like Nagios, Cacti, PRTG, Google map API.
Opening of CRM tickets to track and document resolution of faults.
Communication with different management level of Colocation vendors and upstream providers. Backbone providers like (GLO, MainOne, MTN, VISAFONE), Fiber contractors, Huawei, CISCO; to ensure Internet backbone availability, power at BTS, optimized microwave performance, equipment servicing etc.
Communicating with colo companies (HTN, HIS, Interkel, Mainone, SWAP,Swift managed site landlords) to ensure outages are resolved within SLA.
Preparing daily analytical report on state of BTS/eNodeB.
Managing databases and creating applications for supervising and monitoring network performance and operations.
Designed and Developed program to analyze congested state of sectors in each BTS using PHPMYSQL