OLUSHOLA LAWSON
Birmingham,West Midlands
Summary
Network and Infrastructure Engineer experienced in delivering secure and highly available IT infrastructure across enterprise and business-critical environments. Supported complex network and cloud platforms through strong expertise in Cisco networking, Microsoft technologies, and incident management, while ensuring adherence to confidentiality, integrity, and availability principles. Collaborated effectively with service desk teams, security teams, and third-party providers to enhance operational reliability and drive continuous service improvement.
Overview
1
1
Certification
9
9
years of post-secondary education
9
9
years of professional experience
Work history
Network Infrastructure Engineer
IBROZini NetInfra Int’l BV – Remote
United Kingdom/ Across Africa
2025.11 - Current
- Provide second-line infrastructure support for enterprise network and cloud environments, maintaining availability and performance of business-critical IT services supporting 100+ users and devices.
- Monitor network, server and security platforms using dashboards, alerts and monitoring tools, proactively identifying issues and reducing potential service outages.
- Resolve 30–50+ monthly technical incidents and service requests involving LAN/WAN connectivity, VPN access, DNS, DHCP, Microsoft 365, endpoint issues and infrastructure faults.
- Administer Microsoft 365 services, including Exchange Online, user management, licensing, security settings and collaboration platforms.
Support Active Directory administration, including account management, Group Policy troubleshooting and user access control. - Develop PowerShell scripts to automate administrative tasks, reducing manual effort and improving operational efficiency by approximately 30%.
- Troubleshoot Cisco network infrastructure, including routers, switches, VLANs, routing protocols and connectivity issues, to maintain stable network operations.
IT Support & Hospitality Technology Assistant
Freelancer
Birmingham, west midland
2024.09 - Current
- Provide first-line and second-line IT support within a busy operational environment supporting 50+ users across multiple departments.
Resolve technical incidents involving Windows devices, Microsoft 365, user access, connectivity and hardware issues.
Support wired and wireless network troubleshooting, including Wi-Fi connectivity issues and LAN faults.
Configure and support user devices, ensuring systems are available for daily business operations.
Maintain accurate incident records and escalate complex issues through appropriate support channels.
Deliver customer-focused technical support while maintaining service quality during high-pressure operational periods.
Network Engineer
Smart Network Enterprises Ltd
Lagos State
2018.01 - 2022.12
- Designed, implemented and supported enterprise network infrastructure solutions for multiple business customers, improving connectivity reliability and operational efficiency.
Managed Cisco routers, switches, firewalls and wireless infrastructure supporting 200+ users across customer environments.
Configured and troubleshot routing, switching, VLANs, VPNs, NAT, DHCP and network security technologies.
Monitored network performance and resolved 40+ monthly network incidents, reducing downtime through proactive troubleshooting and preventative maintenance.
Supported firewall configuration, access control policies and secure remote connectivity solutions.
Delivered network upgrades, migrations and infrastructure improvement projects while maintaining minimal business disruption.
Produced network documentation including diagrams, configuration records and operational procedures covering 25+ network devices and services.
Worked with telecom providers and third-party vendors to resolve connectivity issues and improve service reliability.
Education
Master of Science - International business with Data Analytics
Ulster University
Birmingham 2023.01 - 2024.08
Bachelor of Science - Economics
University of Abuja
FCT Abuja 2007.02 - 2014.04
Skills
- LAN and WAN infrastructure
- DNS and DHCP administration
- Routing and switching techniques
- IP networking
- Network configuration
- Network troubleshooting
- Wireless networking principles
- Wireless technology
- Checkpoint firewall expertise
- VMware expertise
- Infrastructure design
- Results-oriented decision-making
- Results-oriented approach
- Customer support
Affiliations
- Reading, football, Traveling, and Table Tennis
Certification
- Cisco Certified Network Associate (CCNA)
- Cisco Certified Network Professional (CCNP) – Training / Knowledge
- Microsoft 365 Administration Training
- SQL Certification
- IT Infrastructure & Networking Certifications
Languages
English
Advanced
References
References available upon request.
Timeline
Network Infrastructure Engineer
IBROZini NetInfra Int’l BV – Remote
2025.11 - Current
IT Support & Hospitality Technology Assistant
Freelancer
2024.09 - Current
Master of Science - International business with Data Analytics
Ulster University
2023.01 - 2024.08
Network Engineer
Smart Network Enterprises Ltd
2018.01 - 2022.12
Bachelor of Science - Economics
University of Abuja
2007.02 - 2014.04