Summary
Overview
Work History
Education
Skills
Certification
Key Projects
Timeline
Generic

Tejumade Gbenle

System Administrator || Virtualization || Backup And Recovery || Microsoft 365 Administration
Lagos

Summary

Experienced IT Infrastructure Specialist with a strong track record of deploying, managing, and supporting enterprise systems across diverse platforms. Skilled in Windows Server administration, Linux systems, Nutanix virtualization, Commvault backup solutions, Active Directory, and Microsoft 365. Proven ability to deliver scalable infrastructure, enhance system reliability, and ensure security across on-premise and hybrid environments.

Known for optimizing infrastructure performance, resolving technical issues efficiently, and adapting to evolving IT landscapes. Adept at collaborating with cross-functional teams, aligning IT operations with business objectives, and maintaining high availability of critical systems. Recognized for strategic planning, problem-solving, and clear communication in fast-paced environments. Tech-savvy innovator with hands-on experience in emerging technologies and passion for continuous improvement. Skilled in identifying opportunities for technological enhancements and implementing effective solutions. Adept at leveraging new tools and methods to solve problems and enhance productivity. Excels in adapting to fast-paced environments and driving technological advancements.

Overview

9
9
years of professional experience
2
2
Certifications

Work History

System & Infrastructure Administrator

Parallex Bank
Lagos, Nigeria
06.2023 - Current
  • Active Directory regular cleanup, user provisioning, and group policy management.
  • Maintain and upgrade Nutanix AHV clusters and Prism Central; ensure optimal resource utilization and system uptime.
  • Manage on-prem and hybrid infrastructure including Windows and Linux servers in production and DR environments.
  • Led server infrastructure development, quality assurance, staging and production systems.
  • Diagnosed and executed resolution for network and server issues.
  • Reduced downtime by promptly addressing system outages and hardware failures.
  • Managed data backups and disaster recovery plans, ensuring business continuity during unforeseen events.
  • Assisted in budget planning for IT infrastructure projects, optimizing resource allocation and cost-effectiveness.
  • Streamlined operations through the automation of routine tasks and processes.
  • Mentored junior staff members on best practices in infrastructure management, fostering a culture of continuous learning within the team.
  • Evaluate and close Audit, Control, and Information Security VAPT findings or exceptions.
  • Coordinate with vendors and internal teams to ensure infrastructure readiness for audits and system upgrades.
  • Provided user support on Microsoft 365 platform including Teams, Exchange, and SharePoint, Onedrive.
  • Managed backup policies and recovery validation using Commvault.
  • Administer public domain and SSL certificate infrastructure.
  • Researched and recommended new technologies and strategies for improving system performance.
  • Partnered with vendors for procurement of hardware, software, and services while negotiating favorable contracts terms.
  • Implemented capacity planning methodologies to support changing business needs while avoiding overprovisioning or underutilization of resources.
  • Worked in team-driven environments and communicated effectively with stakeholders.

IT Technical Support

Parallex Bank
Lagos, Nigeria
06.2022 - 06.2023
  • Self-motivated, with a strong sense of personal responsibility.
  • Excellent communication skills, both verbal and written.
  • Proven ability to learn quickly and adapt to new situations.
  • Skilled at working independently and collaboratively in a team environment.
  • Supported end-users in troubleshooting hardware and software problems effectively.
  • Supported end-users through responsive help desk services, promoting overall satisfaction with IT systems.
  • Provided training and support to end-users in the proper use and management of software assets.
  • Oversaw and managed over 10 branches and 3 clusters.
  • System patching, and troubleshooting.
  • Supported deployment of Office tools and end-user onboarding/offboarding.
  • Provided support to the existing LAN/WAN network environment and implemented new elements such as routers, switches, and wireless infrastructure
  • Provided technical support to end-users, resolving issues in a timely manner and minimizing system downtime.
  • Participated in team projects, demonstrating an ability to work collaboratively and effectively.

IT Support Engineer

Access Bank
Lagos, Nigeria
12.2016 - 05.2022
  • Provided IT support for desktops, printers (multifunction and personal), peripherals, telephone systems, and cellular devices.
  • Maintain inventory of all infrastructure assets in the organization.
  • Supported computer systems, troubleshooting problems, configuring hardware and software, and implementing and adapting new tools and setups.
  • Installed, configured and maintained computer systems and network connections.
  • Patched software and installed new versions to eliminate security problems and protect data.
  • Maintained servers and systems to keep networks fully operational during peak periods.
  • Researched and identified solutions to technical problems.
  • Removed malware, ransomware, and other threats from laptops and desktop systems.
  • Developed and implemented preventive maintenance procedures.
  • Responded to customer inquiries and provided technical assistance over phone and in person.
  • Diagnosed and troubleshot hardware, software and network issues.
  • Installed and configured operating systems and applications.
  • Configured hardware, devices, and software to set up work stations for employees.
  • Used ticketing systems to manage and process support actions and requests.
  • Collaborated with cross-functional teams to ensure seamless integration of new systems and technologies.
  • Provided remote support to offsite users, ensuring minimal disruption during business travel or remote work scenarios.
  • Reduced downtime by quickly diagnosing and resolving hardware, software, and network issues.
  • Installed, configured, tested and maintained operating systems, application software, and system management tools.

Education

Bachelor of Science - Computer Science

Southwestern University, Nigeria
Ogun State, Nigeria
12.2024

Associate of Applied Science - Computer Engineering

Yaba College of Technology.
Lagos, Nigeria
04.2001 -

Skills

Hardware troubleshooting

Incident management

Server administration

Cloud infrastructure management

Teamwork

Problem-solving

Technical troubleshooting

Team collaboration

System upgrades

Operating Systems: Windows Server (2012–2019), RHEL (79–810)

Infrastructure Tools: Nutanix, Commvault, VMware, Hyper-V

Certification

ITIL 4 Foundation

Key Projects

* Nutanix Platform Upgrade: Coordinated major upgrade of Nutanix AHV and Prism Central, enhancing system performance with minimal downtime.

* Linux OS Upgrade: Upgraded RHEL servers from version 7.9 to 8.10 in isolated environments without Red Hat subscription.

* Commvault Backup Optimization: Streamlined backup jobs and scheduled DR testing, improving RPO and RTO metrics.


Timeline

ITIL 4 Foundation

01-2025

System & Infrastructure Administrator

Parallex Bank
06.2023 - Current

IT Technical Support

Parallex Bank
06.2022 - 06.2023

IT Support Engineer

Access Bank
12.2016 - 05.2022

Associate of Applied Science - Computer Engineering

Yaba College of Technology.
04.2001 -

Bachelor of Science - Computer Science

Southwestern University, Nigeria

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Tejumade GbenleSystem Administrator || Virtualization || Backup And Recovery || Microsoft 365 Administration