Haleem Dairo

Experience

• 

  Procter&Gamble Nigeria

  Jul 2015 - Feb 2016

  Intern

  I worked as a contractor staff that does electrical installations,wirings and maintenance of electrical machines and instruments in the plant.

• 

  Arcelor Networks Ltd

  Jan 2018 - Dec 2018

  Technical Support Engineer (NYSC)

  • Carried out of pre-installation site surveys, noting installation requirements, plotting elevation profiles and link budgets with coordinates obtained from the site.• Installed and configured outdoor radios, indoor routers and switches of different vendors ( Mikrotik, Cisco, Ubiquiti, D-link, TP-link etc.) for home and enterprise customers.• Provided support to clients, by troubleshooting and proffering solutions to connectivity issues raised by clients.• Led team of engineers, to install and configure sector antennas, power bridge radios, air-fibre radios on network masts for Point-to-Point and Point-to-Multipoint connections.• Actively participated in projects that involved providing internet connectivity to and managing network infrastructure of schools, hotels, banks, café’s, factories and other enterprise customers. Show less

• 

  MainOne

  Mar 2019 - Jan 2023

  • Carried out timely and accurate troubleshooting and analysis of IP Access, IP Transit, MPLS and Enterprise Voice Customers using different protocols such as MPLS, L2/L3 VPNs, IS-IS, BGP ,OSPF, EIGRP, etc• Monitored MainOne network providing specific update, status and performance of all network components, capacity services etc. using Nmonitoring tools such as Intermapper, Netboss, Nagios, Ubiquiti Air Control, U2000, Huawei NCE, etc• Key Team Member in the automation of processes in the NOC using python, shell scripting.• Troubleshooted Lastmile and Backhaul (Microwave and Optical Fiber, Satellite connections) using tools such as power meters, OTDR testers etc to restore services within agreed SLA.• Provided prompt, accurate and concise update on assigned trouble tickets in the ticketing database, ensuring data integrity till point of closure. Escalation of identified issues to the appropriate team.• Participated in global team collaboration efforts, including: shift handover, knowledge transfers and problem solving brainstorming sessions.• Prepared weekly Backhaul performance reports on the MainOne Network, as well as tracking Key Performance Indicators aand analysis of the reports Show less

  • Network Operations Engineer

    May 2019 - Jan 2023

  • Technical Graduate Trainee

    Mar 2019 - May 2019
• 

  Airtel Nigeria

  Feb 2023 - now

  MPBN Operations Engineer

  • Performing day to day operations & management of MPBN, MPLS, Enterprise MPLS, IPRAN and IP Core together referred as IP Services to support both Mobile and Enterprise services.• Maintaining inventory and allocation of IP Addresses and implementing zoning as per Airtel Zoning policy.• Ensure cabling in IP network is maintained as per standard structured cablingprocedures in switch rooms.• Vulnerability Assessment - Work with Group Network Security team to ensure vulnerability assessment is performed on all Network Nodes and close all identified vulnerabilities in accordance with AA ISMS VA and PT Process• Performing Change Management, performance & optimization through O&M andPerformance Management processes.• Ensuring all Faults, Trouble Tickets & Incidents are recorded and addressed withinSLAs. Documentation of all such events is prepared with RFO, RCA and RCF.• Weekly and monthly report of such incidents are prepared to do analytic study onthem by TL and reduce incidents.• Automation of manual network processes using Python programming language• Analysing traffic reports, optimizing traffic routes, and implementing all BISP related tasks within BISP framework.• Execute patches and support update/upgrade process.• Perform ATP, UAT on services and nodes.• Provide inputs to team lead on spares inventory and Life Cycle management on nodes.• Update Solution document, HLD, DLD, LLD along with Network Diagram.• Perform adequate day to day capacity optimization, of all nodes, interfaces on IP Services related Nodes - in accordance with network growth and projections.• Continuously being the loop of the network traffic, licenses, trends and various parameters to ensure the Network elements are operating as expected where required, take corrective action with input from TL and Group Planning team.• Support in Expansion & Evolution of Core Network.• Understand the business requirements and impact on the IP backbone and data network infrastructure. Show less