Uzochikwa Enunwa

Assisted in developing global datacentre network reference architecture to support datacentre operations across multiple regions.

Facilitated establishment of standardised scalable secure and automated architecture.

Supported creation of solution requirements document during the discovery phase.

Contributed to development of reference design document during the analysis/design phase.

• Installing, configuring and maintaining network devices. Act as an intermediary between NXP and NTT/GN.
• Co-architecting and automating worldwide SDWAN Solution and developing migration strategy to SDWAN.
• Developing and designing cloud connectivity landing zone with SDWAN integration.
• Developing, designing and implementing ISE Network admission Control (NAC), roadmap and implementation strategy.
• Assess PoC results. document network design, create low level designs for engineers.
• Perform HA & disaster recovery of network systems.
• Co-architecting and automating worldwide ACI (Application Centric Infrastructure) Solutions and developing migration strategies for NetCentric and AppCentric with VMM Integration. Also deployed VxLAN and MPBGP L2vpn evpn on Nexus 9k devices for Servers.

• Designing, developing and implementing automation utilizing scripting, Python, NETCONF, RESTCONF and Ansible for infrastructure and networking environments and to obtain data collection for reporting and analysis.
• Modelling network configuration and operational data in a platform neutral structure (JSON and YAML) using devops tools and processes such as Terraform, Docker, Splunk and CI/CD.
• Documenting scripting standards and written procedures, processes, diagrams, and storage in Github and GitLab for the ACI environment.
• Collaborating with Infrastructure and networking teams to understand device configurations and requirements for image deployments, data collection and monitoring.
• Consulting for ASML on all Networking, ACI connectivity and automation and enterprise Infrastructure issues for their multipod environment.

• This role defines a high-level enterprise-wide IT Architecture focusing on the mapping of I/T capabilities to business needs. The focus is on defining the relationships, flows and implementation of business (processes/activities/functions, information), applications, data and technology in the enterprise and the transitional process necessary for implementing technology in response to changing business needs. Providing architectural leadership on critical technical Architectural, specialist and SME support to the business and customers, requiring an exceptional understanding of customers enterprise functionalities, processes, applications, dependencies, dynamics, cloud deployment and automation, software products and services and data analytics.
• Service Delivery Centre
• For KMD Denmark – Lead architect for enterprise transformation with AWS and Azure Cloud, SAP LaMa and HANA, ACI, VXLAN and software defined networking (SDN), IPAM, SolarWinds, Palo Alto and F5 Load balancers.
• For Asendia Management SAS– Lead Architect for the successful Migration of 74 VMs and applications (71 Virtual and 2 Physical) from client on premise private cloud, Google, Ali baba and Azure, to multi-cloud consisting of 3 AWS Regions using VPCs, Databases, Storage, Monitoring etc. Also, Migration of Domain Controllers, Meraki, Exchange Services, Administration Server, WSUS and JIRA servers and management servers.
• For Schibsted – Migrated cloud infrastructure: Internet, VPN, DDoS, MPLS, VXLAN, ACI and Wireless Controllers and access points, Load balancer and Firewall services using Huawei, Avaya, A10, Juniper devices to Cisco Devices from data centres in Norway and Sweden. Also migrated virtual servers and applications to AWS. Ensured cost savings on devices used.

• Requires customer facing and technical architecture and team leadership in terms of next generation Enterprise services including SD-WAN, ACI, Automation and Vendor networks, tools and services and leading the team to achieve project completion in an internet-related environment.
• Service Delivery Centre
• For Dixons Carphone/Telefonica – Lead Architect for Planning, design, and migration of Legacy Data centre to IBM Cloud Infrastructure. Design: Customer WAN Integration, Shared Infrastructure and Tools Connectivity and H3G Integration, software decoupling and redesign. Also involved software refactoring in the process automation with devops and containerization using Kubernetes and script automation using Python.
• For Coastguard – Lead architect for planning and building a Network over all Legacy Data Centres (DC), CNPP/ Multi-Network WAN services (MWS), and cloud. Build up the Network by Co-ordinating with AT & T, MWS and CMF involving skills with Routing LAN/WAN, IPsec, LISP, Firewall, Load Balancer, Proxy/Reverse proxy and Network in the Cloud (NSX) on IaaS and PaaS.
• For FDC Denmark – Senior Network Architect for migration of cloud infrastructure: internet, WAN, MPLS and VPLS services from KMD to IBM DC cloud. Devices included Nexus 5k and 7200 switches.
• For WPP PLC – Domain Architect for Similar high-level project delivery of 54 virtual wireless controllers, 22 ISE and 2 prime virtual servers and numerous networking devices across 3 IBM cloud zones for client-side connectivity. Helped manage the architecture and engineering team for the project delivery using agile software development life cycle (SDLC) experience. Design and implementation of NetScaler Gateway and Virtual Desktop Infrastructure (VDI) for Opco cloud domains. Required me to adapt to a new technology and learn quickly.

• Operating client-facing, managed technical sales of enterprise solutions, including tools, applications, and equipment, based on clients’ requirements. Coordinated with junior architects, network engineering team, partnered with OEMs, Consultants, Vendors and Service contractors.
• (Cisco Gold Partner)
• Helped secure the successful $2.2m bid for CBN, FIRS and Nigerian Deposit Insurance Corporation projects.

• Using own significant technical capability, assessed each client’s budget and situation to plan optimal services. Managed and mentored 3 inexperienced Solutions Architects and Service Engineers.
• (Cisco Gold Partner)
• Key player in the proposal documentation and quotations resulting in winning $1.3 contracts with ECOWAS, FBN Insurance and Sterling Bank.
• Numerous designs and implementations for projects in multiple states of several African countries: For Economic Community of West African States (ECOWAS) – network for WAN and LAN between Lagos and Abuja (used DMVPN).
• For Zenith Bank PLC and First City Monument Bank – each, tier 3 DC– used direct expansion cooling (42U deep rack enclosures) / chilled water cooling with CommScope and InstaPatch intelligent and pre-terminated DC cabling solution.
• For FCS Global Allied Nigeria Limited (Alausa, Ikeja, Lagos) on behalf of JPMorgan Chase – variously installed and configured ISM and terminal server to Cisco 3945 router/ 2 WAN circuits using Cisco 2921 router to both 3945 and 3845 routers; and analogue phone circuit for out-of-band management.
• For First Bank of Nigeria (FBN) Insurance – data and voice network across 3 floors – each required 1 x Cisco 2960-X 24 and 48 ports switch. 2nd floor, being the hub, required additional Cisco 2911 router for WAN. Each floor had a fiber uplink via fiber patch panels for reachability. WAN connected to Abuja. Cisco phones configured: Cisco 7965, 7945 and 7911.
• For Sterling Bank Plc Headquarters, Nigeria – Cisco Telepresence Video Conferencing Solution – VCS express and controller for registration of endpoints, Jabber application for desktop and mobile, Telepresence Content Server (TCS), TMS for management and media experience engine (MXE).

• Helped secure cloud MPLS and BGP projects, delivering the proposal document and implementing all the POP and Hi-sites.
• On-call and on-site Client support and troubleshooting.
• Produced product and architecture solution (HLD & LLD) presentation for notable companies: Far East Mercantile Company Limited (FMCL), United bank for Africa (23 branches), Oando PLC, Nigerian Navy (HQ + 11 branches), Dizengoff, Guaranty trust Bank GTB), First City Monument Ban (FCMB), Union Bank and Barclays Bank.

• Helped win the NigerDock PLC project contract for the Oracle based Datacomm time and attendance software solution: Provided procedural technical guidance to the bid – documentation, flowcharts, layouts, diagrams, charts, and clear code & comments.
• Scoped and designed system specifications, standards, and programming, conducting systems analysis.