Summary
Overview
Work history
Education
Skills
Certification
Timeline
Generic

Babagbemiga Olanrewaju Olla

Edmonton,Alberta

Summary

Accomplished Network & Cybersecurity Specialist with over 6 years' experience in various 5-star institutions. I am looking forward to giving value to organizations & clients towards achieving purpose, while developing self.

Overview

8
8
years of professional experience
5
5
years of post-secondary education
1
1
Certification

Work history

Enterprise Network and Cybersecurity Specialist

Guaranty Trust Bank Plc
Lagos
07.2018 - Current
  • I improved the security posture of the company by removing unwanted security rules for the network firewall and Cloud Web Application firewall (Imperva)
  • I was part of the project management team that migrated and configured the enterprise IT infrastructure assets from traditional nexus to ACI
  • I coordinated the implementation of soft token two-factor authentication for Remote Access VPN infrastructure
  • I am part of the team that ensured that the organization meets its statutory, compliance and regulatory requirement during audit for Payment Card Industry Digital Security Standard (PCIDSS) and ISO standards re-certification yearly
  • I am part of the team responsible for inter-datacenter service failover
  • I led the team that migrated from Cisco ACS to ISE
  • I led the team that migrated the end-of-life Fortianalyser
  • I was part of the team that upgraded the checkpoint infrastructure from R77.30 to R80.10
  • I led the initiative that re-engineered internet traffic across datacenters to achieve active-active and save cost of 35,000 dollars
  • I led the team that migrated from Kemp loadbalancer to F5
  • I setup a script to backup network device configuration across all POP and CEs
  • I provided expert advisory for infrastructure system optimization and standardization at Subsidiaries, most especially, in Liberia and Sierra-Leone and Habaripay
  • I integrated Microsoft Azure and AWS with in-house systems as part of hybrid implementation of public and private cloud
  • I coordinated the Cisco SDWAN proof of concept for QOS optimization and internet breakout
  • Accountable for the day-to-day running of network and security devices i.e., firewalls (Cisco, Checkpoint,Juniper, Palo Alto), Load Balancers (F5), IPS (Fortinet), Cisco ISE, NAC (Forescout), Wireless LAN Controller and Access Points, Site-to-site and Remote Access VPN, internet gateways, core routers and core switch at Datacenters
  • Key Achievements:
  • Optimization and Compliance of enterprise firewall rule sets
  • Successful Quarterly Disaster Recovery exercise for services as part of Business Continuity Plan
  • Up-to-date configuration and patch management for Network Core devices and Enterprise Firewalls
  • Implementation of new Load Balancer appliances to ensure high availability of critical services
  • Secure integration to third party networks i.e., card switching/processing companies, central bank, clearing houses, SWIFT etc.
  • Analysed existing hardware, software and networking systems to bolster data security.
  • Minimised security and data risks, verifying completion of nightly data backups.
  • Improved installation and configuration procedures to maintain stable traffic and response times.
  • Monitored file servers and databases, improving network performance by 98%.
  • Enabled secure network access through research and trend analysis, cutting security breaches by 98%.
  • Identified potential intrusions and vulnerabilities through frequent security analysis and reporting.
  • Assessed existing hardware and software to determine viability and recommend improvements.
  • Deployed and managed complex networks across broadband, Wi-Fi, LANs and VPNs.
  • Completed AWS and data security training to build knowledge on computer technology, infrastructure and network security trends.
  • Consulted with management and key stakeholders to define business needs and specifications.
  • Conducted in-depth network reviews and tightened security policies to monitor access and prevent cyber threats.
  • Supported business continuity by developing, testing and implementing disaster recovery plans.
  • Maintained up-to-date software inventory, managing vendor hardware and software licensing to guarantee compliance.
  • Maintained broadband networks and Windows servers to support stable operations.
  • Evaluated network performance to minimise downtime and address issues.
  • Automated patching and updates to improve efficiency and accuracy of network administration.

IP/MPLS Engineer

Mainone, An Equinix Company
02.2017 - 03.2018
  • Monitoring of network elements and ensuring prompt repair and restoration of all faulty/down sites/links
  • Installing, configuring, and maintaining of network and security infrastructure, including routers, switches, firewalls, VPN, proxy servers
  • Provisioning of IP Access, IP Transit, L2 and L3 MPLS (L2VPN, L3VPN)
  • Working and cooperating with internal and external groups when required to fully support environments and maintain service
  • Contributing to initiatives for driving down incident rates and working with 1st line Operations and
  • Operations Engineers within specialist functional teams, to improve service recovery time
  • Network administration, hardware maintenance and IOS upgrades
  • Prepare Network Utilization report for MainOne's management.

Graduate Intern

Mainone, An Equinix Company
08.2016 - 11.2016
  • Install, configure, and maintain network equipment such as routers and switches
  • Provisioning of IP Access, IP Transit, L2 and L3 MPLS (L2VPN, L3VPN)
  • Extend technical support to customers through remote and on-site troubleshooting
  • Create User Acceptance Test and As-built diagrams
  • Troubleshoot and resolve WAN/LAN connectivity issues
  • Monitor network elements and ensure prompt repair and restoration of all faulty links
  • Prepare Network Utilization report for MainOne's management.

Intern

Swift Networks LTD
01.2015 - 07.2015
  • Troubleshooting of all network and system related problems
  • Ensuring maximum uptime of the network
  • Opening tickets to track and document resolution of problems
  • Communicating network status to customers during fault situations
  • Providing support to customers.

Education

Certificate of Higher Education - Certificate in IT

British Computer Society
United Kingdom
08.2021 - 01.2022

Bachelor of Science - Electrical/Electronics Engineering

Covenant University
Nigeria
08.2011 - 06.2016

Skills

  • Network configuration
  • Troubleshooting network issues
  • VXLAN designs and troubleshooting
  • Switching protocols
  • Security technologies
  • Firewalls and endpoint security
  • Infrastructure planning and design
  • Automation tools and scripting
  • VPN management
  • Wireshark software
  • Data security
  • Implementing security programs
  • Symantec Endpoint Protection

Certification

  • CCIE Security 2022 #66110 - Cisco Certified Internetwork Expert
  • CCSE 2020 - Checkpoint Certified Security Expert
  • CCSA 2019 - Checkpoint Certified Security Administrator
  • CCNP Routing and Switching 2015 - Cisco Certified Network Professional
  • CCNA 2014 - Cisco Certified Network Associate


Timeline

Certificate of Higher Education - Certificate in IT

British Computer Society
08.2021 - 01.2022

Enterprise Network and Cybersecurity Specialist

Guaranty Trust Bank Plc
07.2018 - Current

IP/MPLS Engineer

Mainone, An Equinix Company
02.2017 - 03.2018

Graduate Intern

Mainone, An Equinix Company
08.2016 - 11.2016

Intern

Swift Networks LTD
01.2015 - 07.2015

Bachelor of Science - Electrical/Electronics Engineering

Covenant University
08.2011 - 06.2016

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Babagbemiga Olanrewaju Olla