Ujah Stephen Ocheola

Senior Network and Infrastructure Engineer with over 8 years of experience managing enterprise and telecom network infrastructures, including LAN, WAN, VPN and wireless networks. Proven expertise in IT infrastructure administration, firewall management, hybrid cloud networking, system support, incident management and high-availability system infrastructure environments.

Network Administrator / Lead, IT Operations & Security - SEFLAM SGL Ltd. - Lagos, Nigeria

(2024-01)

• Design, implement, and manage enterprise LAN, WAN, VPN and wireless networks across business units.
• Monitor network performance and optimize system efficiency.
• Configure and manage routers, switches, firewalls, and access control systems.
• Implement and maintain security controls including IDS/IPS and firewall policies.
• Troubleshoot complex network issues and conduct root cause analysis.
• Perform system upgrades, patching, and failover testing.
• Manage secure remote access across multiple locations.
• Maintain network documentation and ensure compliance with security standards.
• Collaborate with vendors, ISPs and technical stakeholders to support infrastructure availability and service delivery objectives.

Backend Engineer - Enseedling Ltd. - Remote – UK

(2023-01 - 2023-12)

• Built and deployed secure applications on cloud infrastructure.
• Configured Nginx reverse proxies and secured application environments.
• Supported access control and compliance.

Field Maintenance / Network Engineer - Huawei Technologies Inc. - Nigeria

(2016-01 - 2023-12)

• Managed and supported IP/MPLS backbone networks across multiple sites.
• Supported routing protocol deployments (BGP, OSPF) and secure transmission networks.
• Performed preventive and corrective maintenance on critical telecom systems (BSCs, BTS, transmission nodes).
• Collaborated with NOC and back-office teams to isolate faults, manage escalation, and restore service availability.

Electrical / Instrumentation Engineer - Telemetry Nigeria Ltd. - Lagos, Nigeria

(2015-01 - 2016-12)

• Installed and configured SCADA and tank gauging systems for enterprise and industrial environments.
• Integrated Modbus/RS485 networks with centralized monitoring systems.

Bachelor of Engineering (B.Eng.) - Electrical & Electronics Engineering - Federal University of Agriculture, Makurdi (2013-12)