Joel Edehumen

Results-driven IT professional with 7+ years of experience in end-to-end technical support, network management, and IT infrastructure optimization. Proven track record in reducing downtime, enhancing security, and driving cost-efficient solutions. Certified in CompTIA Security+, CompTIA A+, and CCNA.

IT Support Specialist | Network & Systems Expert at NNPC Medical Services Limited (2018-03 – Present)

• Troubleshoot hardware and software issues and recommend necessary upgrades and configurations for implementation.
• Perform basic networking concepts, network troubleshooting, and security protocols
• Hardware Repairs and Cloning.
• Provide software technical assistance in Microsoft Office Suites, Office 365, Outlook, Teams, SharePoint, and Active Directory.
• Data Entry and Visualization. (Data Analytics).
• Analyzed and diagnosed wired and wireless local area networks and made repairs using remote service software.
• Performed PC and computer installation, setup, and maintenance of hardware and software for new and existing users.
• Manage network servers & technology tools.
• Maintain internal infrastructure requirements, including laptop and desktop computers, servers, routers, switches, firewalls, printers, phones, and security updates, support internet, intranet, LANs, WANs, and network segments.
• Working with IT service management (ITSM) tools such as Jira.
• Knowledge of networking concepts (TCP/IP, DNS, DHCP, VPN, Wi-Fi).
• Monitor performance and maintain systems according to requirements.
• Deployed, configured, and provided performance tuning for Apple, Linux, Windows, and servers with other operating systems.
• Ensure security through access controls, backups, and firewalls.
• Infrastructure Management: Maintained 200+ devices (servers, routers, switches) and improved network up time by 75% via proactive monitoring.
• Security & Compliance: Enforced ISO 27001/ITILv4 standards, reducing breaches by 60% through security system/access controls.
• Cost Savings: Cut IT expenses by 30% by deploying automated solutions and hardware cloning.
• Leadership: Trained 50+ staff on EMR systems; led cross-functional teams in 5+ deployments.
• Reduced IT service desk tickets by 60% through proactive maintenance.
• Increased network time up by 75% through proactive monitoring and preventive actions.
• Improved user satisfaction with IT support by 95% through enhanced communication, service delivery, and Teamwork.
• Saved the company's cost by implementing a cost-effective IT solution. Participated as part of the Team Lead in all Electronic Medical Records (EMR) deployments and Training in NNPC Medical Services, Warri Zone.
• Clone and Restore Junk Hardware CPU/ Workstations to Workable devices in NMSL Warri, and create Computer System automation, security, and performance Improvements.

Higher National Diploma (HND) in Computer Science – Delta State Polytechnic, Oghara

Post Graduate Diploma (PGD) in Information Technology – National Open University of Nigeria

M.Sc. (in view) in Information Technology – National Open University of Nigeria