EMMANUEL TEJUOSHO

• Designed and implemented Azure site-to-site and point-to-site VPN connections with Azure AD authentication
• Installed and configured servers' software, applications, tools, and patches as needed
• Researched, diagnosed, troubleshot, and identified solutions to resolve customer issues
• Resolved systems, applications, hardware, and network trouble tickets
• Tracked related IT issues, coordinated resolution, and assisted in driving issues to closure
• Maintained firewalls and enterprise security (VPN, anti-virus, email scanning, etc.)
• Administered Active Directory, Group Policy, DHCP, DNS, and Windows Server systems.

Pursuing certifications, projects to further my career

• Diagnosed and resolved VOIP/data network issues relating to BGP, HSRP, IP SLA, NAT, route maps, IP SLA, ACLs, IPSEC/GRE tunnels
• Troubleshoot network outages or degradation issues on T1, DIA, and layer-2 PTP circuits
• Utilized Wireshark and other similar tools to troubleshoot SIP call flows and resolve audio quality issues
• Configured, maintained, and troubleshot enterprise-level Cisco and Juniper routers, switches, firewalls, and Adtran routers
• Subject-matter expert on layer-3 networks to other colleagues and clients.

• Diagnosed network problems and solved technical issues with a variety of diagnostic tools involving a combination of hardware and software issues
• Estimated bandwidth and throughput analysis required to move the company's local system infrastructure to the cloud
• Oversaw a 3rd-party vendor in designing, configuring, and testing the company's LAN segmentation.