PROFESSIONAL PROFILE:

A dedicated and collaborative IT professional with 9 years of experience in provisioning and managing telecommunication and IT network infrastructure. A critical and analytical thinker with extensive experience in the area of planning, designing, integrating, operating and optimizing telecommunication and enterprise campus network. Adept in communicating with technical and non - technical audience. Seeking a challenging opportunity to be part of a team that drive organisation goals and objectives using my experience, skills and expertise.

TECHNICAL SKILLS:

Routing and Switching: Cisco Catalyst, Meraki switches, Brocade, Huawei NE5000E, NE40E-X, CX, ATN Routers, Huawei S9300E, S6300, S9300, S5300 Switches, Eudemon 8000E, Cisco ASA firewall. Cisco and Huawei routers and switches configuration and troubleshooting VLANs and Trunking, Spanning Tree Protocols, Port Security, Ether channel Dynamic Routing (OSPF, EIGRP, BGP, IS-IS), Static Routing, VRF, IPV6

Load Balancer: F5 BIGIP Application Delivery Controller

Transmission media; fibre optics, RJ: 45, wireless.

Virtual Gateways: HSRP, GLBP, VRRP WAN (VPN, GRE tunnels, Frame Relay, MPLS, MPLS-TE, PPP, HDLC, PPPoE, WLAN) Route Processor Redundancy (RPR, RPR+, SSO) Quality of Service, UCS, VOIPNAT, ACL

Proficiency in: TCP IP/network protocols. Microsoft VISIO Windows server installation, MS Windows NT/9x/2000/XP/ 2003/2007/2008/2010 Server & Workstation, active directory, MS exchange, MS 365, VMware

CAREER SUMMARY:

NETWORK ADMINISTRATOR

Confidential

Responsibilities:

• Maintain and support Windows environment, Group Policy management, User/Group permissions, file system management and file system permissions
• Design, plan and implement network architecture for new client sites from the conceptualization stage to completion stage
• Engage in troubleshooting, analyzing, evaluating, maintaining and resolving local area network (LAN), wide area network (WAN) and internet connectivity issues
• Manage and review security policy on the network using Watchguard firebox and Cisco firewall and engage in the configuration of security protocols including DHCP snooping and ARP inspection
• Manage, troubleshoot & optimize IP networks, local area network (LAN) and wide area network in the infrastructure using multi vendor equipment
• Engage in the inter-connection of branch offices with the head office using IPsec VPN and MPLS technology
• Manage the data center environment through Vcenter server and configure the network infrastructure with network protocols (STP, BGP, OSPF, VRRP, dot1q, PAGP, VTP) on Brocade/Cisco device to support the virtualization environment
• Design workflow diagrams and visualize Layer 2 and Layer 3 topologies using Microsoft visio
• Manage, configure and troubleshoot VOIP system using Digium Switchvox PBX and Cisco VOIP PBX
• Manage the design and configuration of Wireless access point using Cisco Meraki and Aruba access point and mitigate against attack from rogue devices
• Configure and manage user traffic using BIG-IP modules including LTM, GTM.
• Manage projects, collaborate and carry out detailed proof of concept/acceptance tests with telecommunication vendors & technical solution partners and consult with necessary stakeholder (telecom architecture, design and project teams) for timely resolution of network issue
• Analyze network requirements and work with telecommunication vendors (telecom architect, design and project teams) in order to integrate IP components based on service design specifications, requirements and modifications
• Maintain documentation reflecting the current operational environment.
• Define and perform system backup and recovery administration for both physical and virtual environments using VEEAM
• Manage access privilege on shared folders and provide/remove user access to applications as authorized and approved through the spicework ticketing system with the appropriate department (business unit)
• Utilize Symantec Endpoint Management Server to apply anti-virus policies and update definitions.
• Monitor network availability and observed performance metrics: utilization, latency and throughput and carry out performance tuning and infrastructure upgrade
• Provide level 1, 2 and 3 operational and on-call support all-round the clock (24 X 7) for all IT related service requests including LAN,WAN and internet services
• Respond to the needs and questions of network users concerning their access to resources on the network and the operation of various software applications
• Engage in cost benefit analysis of emerging technology and subsequent recommendation to top management for improve business support
• Train, supervise and develop procedures for team of engineers to proactively identify, troubleshoot, escalate, resolve and document new incident for better network availability and reliability

NETWORK TEAM LEAD

Confidential

Responsibilities:

• Planned and implemented security features across the network using Cisco ASA firewall
• Coordinated and developed policies and procedures for network cut over using ITIL change management framework
• Redesigned, managed and optimized the core network using MPLS technology
• Configured and supported customer network on the core infrastructure using layer 2 and layer 3 MPLS VPN
• Engaged in the configuration of F5 load balancers to improve the performance, availability and security of VAS services
• Installed, integrated, supported and maintained Wireless access point( WAP) and controller (WLC)
• Configured and managed internal and external network using layer 3 protocols including IS-IS, BGP, OSPF and EIGRP
• Designed workflow diagrams and visualized Layer 2 and Layer 3 topologies on Microsoft visio
• Implemented RSTP and VTP on the Multilayer switch for switching loops prevention and VLAN management
• Involved in, coordinating and executing network upgrades as it relates to hardware and software
• Planned, analyzed and implemented security options using VPN protocols such as L2TP, PPTP, SSTP, TLS/SSL on the distribution and core network
• Maintained the IP network by carrying out scheduled configuration back up on all nodes and weekly audit of performance log pulled
• Real-time monitoring of links/services on the network using Cacti server, PRTG
• Ensured segmentation of larger LAN with VLAN reducing broadcast traffic and enhanced security
• Successfully installed and implemented 120 indoor and outdoor wireless access point unit across the local and international airport thereby increasing the company’s annual revenue by 5% and increasing the company’s visibility.
• Optimized and upgraded the core network thereby increasing the capacity of the backbone by 40%
• Improved network availability and integrity by 20% through regular of team members and designing a detailed logical diagram showing all physical connections and technologies thereby increasing clients patronage and loyalty
• Kept an up to date back up of all network element and configuration which reduces business loss by 90% during system failure
• Strengthened team bond by organizing series of team building events including picnics and football matches which in turn increased performance.

NETWORK ENGINEER

Confidential

Responsibilities:

• Performed daily, weekly and monthly health check procedures to ensure optimum network performance
• Designed, configured and maintained routers and switches
• Troubleshoot, identified, isolated and resolved BTS alarms including ODU lost, power amplifier off, low gain, ODU no heartbeat, PLL not lock, GPS issue, synchronization issue, ACB card down, interference issue on the 4G aviat network using Aviat Provision Client software.
• Provided configuration of STP and Port Security on Catalyst 6500 switches
• Configured and troubleshoot static routes, EIGRP and Site to Site VPN connectivity issues
• Monitored in real-time the Aviat 4G network using Ceragon Ceramap (Microwave) & Aviat Provision Client and subsequent resolution of issues through relevant Engineers and co-locators.
• Monitored and documented traffic statistics on the Base Station using the PRTG (Paessler Router Traffic Grapher) software
• Prepared daily, weekly and monthly KPI and syslog report for all base station equipment.
• Supported day-to-day administration of various network and security appliances
• Troubleshoot complicated hardware and software issues, replicate customer environments and network problems in the lab
• Proactively monitored and escalated network issues to co locators for timely resolution thereby meeting agreed SLA with customers
• Extensive technical support to roll out and field engineers by configuring, troubleshooting and integrating new sites on the network, therefore meeting with project timeline.