Afiz Olalekan

Core Network Engineer @ Broadbased Communications

About

Core Network engineer, I bring a wealth of experience in designing, implementing, and managing robust network infrastructures. With a strong foundation in networking protocols, security technologies, and best practices, I am committed to ensuring seamless connectivity while safeguarding digital assets against cyber threats.In my role as a Network Engineer, I have successfully orchestrated the deployment of cutting-edge networking solutions, optimizing performance and reliability. My expertise includes configuring and maintaining routers, switches, firewalls, and intrusion detection systems, all while adhering to industry standards and security policies.I thrive in dynamic environments where my problem-solving skills and attention to detail are put to the test. Collaborating with cross-functional teams.

Country

Nigeria

City

Lagos Island

Industry

Telecommunications

Skill

Voice over IP (VoIP), Data Center Operations, MPLS VPN, Data Center Management, Wireless Networking, LAN-WAN, Dynamic Host Configuration Protocol (DHCP), IP Addressing, Domain Name System (DNS), Technical Support, Wide Area Network (WAN), Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), Microsoft 365, Email Management, Troubleshooting, Team Leadership, Team Management, Remote User Support, Computer Hardware Troubleshooting

Experience

Core Network Engineer

Broadbased Communications

2021-10 - Present · 5 yrs

Lagos, Lagos State, Nigeria

Drove a team of 4 support engineers and managed various network activities including upgrades, new implementations, and migrations, giving technical direction and user support as needed Tasked with designing, monitoring, and repairing local area networks (LAN) and wide-area networks (WAN). Improved network performance and minimize downtime to ensure customers maintain a 99.9% availability Provisioned core network with ZXRC300, ZXRC320,ZXCN-M6220, ZXCN-M9004, Cisco IP Base Switches, Routers, and Firewalls Configured routing protocols like Border Gateway Protocol (BGP), OSPF, MPLS L2/L3, Leased Line Services Charged with implementing information and network security policies on the network infrastructure Collaborate with senior engineers to expand knowledge of core network operations. Configure and maintain MikroTik, Ubiquiti, and TP-Link hardware. Configure and optimize routers, firewalls, VLANs, and QoS for VoIP Provide technical support and troubleshooting for routers, switches, and wireless devices. Diagnose advanced network problems: packet loss, throughput issues, VLAN misconfigurations, routing loops

Network Engineer

Broadbased Communications

2020-10 - 2021-10 · 1 yr 1 mo

Lagos State, Nigeria

Improved the Network Operations Center (NOC) and Data Center management and operations by 20% by adopting the ITIL framework for process management Supported each NOC function by documenting workflow processes, creating structured databases for storing and retrieving information, and recording business results for analysis and optimization Tasked with the configuration, backup, upgrade, testing, and troubleshooting of hardware, software, and networking systems to meet stakeholder needs Used diversified tools like ZTE Netnumen NMS, PRTG and, Solarwind toolset to monitor performance and capability of computer systems Provided incident response on the systems while tracking and documenting all defects and resolutions in detail through osTicket and other designated ticketing systems Resolved L1 and L2 support incidents whilst escalating to L3 engineers in the case where the issue is not resolved Resolve escalated VoIP issues: SIP registration failures, unidirectional audio, NAT traversal, codec mismatches Document root cause analysis and corrective actions