IT Support Technician with Networking & Admin Expertise

OSIFESO AZEEZ OLUWASEYI

Ikorodu, Lagos, Nigeria

+234 811-***-**** +234 816-***-****

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GitHub: github.com/oluwaseyidc02

LinkedIn: linkedin.com/in/osifeso-azeez-5b32932aa

PROFESSIONAL SUMMARY

CCNA and MCSA trained System and Network Administrator with hands-on experience in Windows Server administration, Active Directory, and network configuration. Skilled in troubleshooting hardware, software, and network issues, with a strong foundation in IT support and infrastructure management. Currently advancing cybersecurity knowledge with CCSA training and preparing for professional certification exams. TECHNICAL SKILLS

Windows Server Administration

Active Directory and Group Policy Management

VLAN Configuration and Network Segmentation

TCP/IP, DNS, DHCP

Network Troubleshooting and Support

Router and Switch Configuration

Firewall and Basic Network Security

Access Control Lists (ACLs)

Port Security Configuration

Remote Access (SSH)

System Monitoring and Performance Optimization

2

Backup and Disaster Recovery

Hardware and Software Troubleshooting

PROFESSIONAL EXPERIENCE

• Windows System and Network Administrator

Titacom Technology Limited

Jan 2026 – Present

Managed Windows Server environments including Active Directory, DNS, DHCP, and Group Policy Installed, configured, and maintained network infrastructure (routers, switches, firewalls) Monitored system and network performance to ensure high availability and uptime Troubleshot hardware, software, and network connectivity issues Implemented security measures including firewall configurations and system updates Performed system backups, patch management, and disaster recovery procedures Provided technical support to users, reducing downtime and improving system efficiency

• Technical Support Officer

Solid Rock Academy

Oct 2025 – Jan 2026

Installed and configured computer systems and CBT software for examinations Provided real-time technical support during computer-based tests Monitored network connectivity to prevent disruptions during exams Troubleshot hardware and software issues quickly and efficiently Assisted in setting up computer labs and testing systems before exams Ensured data security and smooth operation of examination platforms 3

EDUCATION

B.Sc. (Ed) Educational Management

Lagos State University, Ojo

Oct 2024

CERTIFICATIONS AND TRAINING

CCNA Training (Cisco Certified Network Associate) – Titacom Academy (Feb 2025) MCSA Training (Microsoft Certified Solutions Associate) – Titacom Academy (Aug 2025) CCSA – Certified Cyber Security Associate (In Progress) PROJECTS

• Windows Server Active Directory Setup

Configured Windows Server and Active Directory environment Created and managed users, groups, and Group Policies Implemented access control and basic security settings

• Network Design and Configuration (Packet Tracer) Designed and configured VLANs, routing, DHCP, and ACLs Implemented port security and network segmentation Troubleshot simulated network issues

ADDITIONAL SKILLS

Strong problem-solving and analytical skills

Effective communication and teamwork

Time management and multitasking ability

REFERENCES

Available upon request

Contact this candidate