IT Systems & Network Engineer with 14+ years experience

SIMON FRIDAY ADEKA, BSc.

Lagos, Nigeria 080*-***-**** *****.*****@*****.*** https://www.linkedin.com/in/simon.adeka/ PROFESSIONAL SUMMARY

Network & IT Support Engineer with 14+ years’ experience in LAN/WAN, microwave transmission, and enterprise IT support. Proven track record managing 99.5%+ network uptime, troubleshooting hardware/software, and supporting 300+ end-users. Skilled in Cisco, Mikrotik, Ubiquiti, Windows/Linux, Azure, and ITIL-based service management. Seeking to leverage hands-on network, system, and security expertise in a Network IT Specialist Support role.

CORE SKILLS

Networking: TCP/IP, DNS, DHCP, VLAN, VPN, Routing, Switching, Wireless, VoIP, Microwave Hardware/Vendors: Cisco Catalyst 2960, 6506/4510, Cisco router 1914, 3660/7609, Mikrotik Cloud Core, hAP router, Ubiquiti PowerBeam/LiteBeam/Airfiber,TP-Link Huawei. Systems: Windows Server, Kali Linux, Ubuntu, Active Directory, Group Policy, VMware Cloud/Security: Microsoft Azure Fundamentals, Network Defence, Firewall, Access Control Tools: Wireshark, Nmap, ZAP, SolarWinds, MS Visio, PMS Opera, Systems ITSM: Service Desk, Incident Management, SLA Management, Documentation, User Training. PROFESSIONAL EXPERIENCE

Lead Technical Support Engineer Advance Global IT (AGITS), Jan 2026 - Present

Led and mentored a team of technical support engineers, improving team efficiency by 30% and driving a 95% customer satisfaction rate through effective guidance and coaching.

Supervised a team of 2 engineers, providing coaching that improved first-call resolution rate from 70% to 85%.

Oversaw troubleshooting and resolution of complex hardware, software, and network issues, reducing average downtime by 40% and ensuring seamless operations for end-users.

Managed stakeholder communication for major incidents, ensuring transparent updates and 95%+ customer satisfaction.

Acted as the primary escalation point for critical customer concerns, resolving 100% of escalated cases within SLA and earning recognition for clear communication with both technical and non-technical stakeholders.

Drove continuous improvement initiatives by documenting best practices and problem-solving workflows, cutting repeat incidents by 20% and enhancing overall service delivery.

IT Officer / Assistant IT Manager Vintano Hotel, Lekki Lagos 2024 – 2026

Provided Tier 1 & 2 support for 300+ staff and guests across PMS Opera, IPTV, IP Telephony and Wi-Fi systems, maintaining 95%+ SLA compliance

Monitored and maintained hotel Wi-Fi and IP telephony, reducing downtime by 30% through proactive maintenance and patching

Coordinated with vendors for hardware repairs, cutting downtime by 25% for critical system

Integrated Azure AD with hotel SSO for seamless access to Office 365, boosting staff productivity by 20%.

Managed Active Directory user accounts, password policies, and access controls for secure access to hospitality systems

Documented SOPs and troubleshooting guides, cutting average resolution time by 25%

Conducted user training sessions on security best practices, cutting phishing attempts by 40%.

Network Support Engineer Steg Network Solutions, Lagos 2023 – 2024

Installed and configured Mikrotik hAP routers, Ubiquiti LiteBeam, and Cisco Catalyst 6506/4510 switches for enterprise clients

Deployed Cisco 3660/7609 routers and performed end-to-end network integration and testing

Led site surveys for new deployments, ensuring LOS and RF planning were accurate, improving first-time install success rate by 25%.

Documented network configurations and troubleshooting procedures for client handover Technical Support/NOC Engineer Megamore Broadband, Kano 2023

Monitored network performance using The DUDE tool, identifying and resolving outages within SLA targets

Performed routine maintenance and upgrades on POP sites, ensuring 99.5% network availability

Managed shift handover process, ensuring seamless transitions and 99.5% network uptime.

Handled L1-L2 desktop and network troubleshooting for 200+ clients

Coordinated with ISPs to resolve BGP peering issues, restoring connectivity for 50+ clients within 4 hours

Network Engineer (Freelance) Inq. Edge Nigeria, Lagos 2022 – 2023

Installed and configured microwave transmission equipment and resolved VSWR alarms and link failures

Optimized microwave link configurations (Ubiquiti) for better throughput, increasing bandwidth efficiency by 18%.

Decommissioned CPEs across multiple regions and coordinated with NOC for service restoration

Managed IT inventory and liaised with procurement for hardware delivery NOC Engineer Fiam Wifi / Netzplan Resource Limited, Lagos 2021 – 2022

Monitored WAN/LAN networks and managed Wi-Fi access points using Tanaza Cloud and Facebook Express Wi-Fi

Configured MikroTik Cloud Core Routers, Cisco switches, and Ubiquiti radios for client deployments

Deployed Tanaza Cloud for centralized Wi-Fi management, reducing AP downtime by 35%.

Supervised client escalations, resolving 100% within SLA and boosting NPS score by 20 points.

Scripted log analysis for MikroTik routers, identifying top 3 causes of outages and reducing incidents by 20%.

Resolved 100+ monthly service desk requests, maintaining 99.5% network uptime Network Support Engineer Neonetwireless Nig. &, Lagos 2018 – 2020

Installed, commission and maintained Huawei BTS equipment including BBU5900, RRU3908 and MRFU d2/t2 modules for LTE/UMTS site.

Performed MRFU replacement, CPRI link verification and VSWR/PA alarm troubleshooting, reducing cell downtime by 22%.

Replace faulty RRUs, power supplies, and fan units using hot-swap procedures on live sites.

Configure and commissioned Huawei RTN microwave links, eNodeB parameters, and VLAN routing for new rollout with zero post-cutover outage. ADL Solutions Field Support Engineer Lagos 2018 – 2020

• Installed and commissioned BTS cabinets 2G/3G/4G/LTE and microwave links for Huawei sites.

• Performed physical installation and alignment of microwave ODUs, achieving LOS within 0.5 for stable 18/23 GHz links.

• Replaced faulty RRU, BBU, and SFP modules on live sites, minimizing service impact by using hot-swap procedures.

• Coordinated with logistics to ensure timely delivery of spares to remote sites, reducing response time by 40%.

• Conducted site surveys for new BTS installations, capturing GPS coordinates, LOS photos, and obstruction analysis.

• Diagnosed and resolved VSWR alarms by checking feeder cables, connectors, and antenna alignment on-site.

• Traced and repaired power cable faults, replaced damaged DC breakers, and reseated loose busbar connections.

PROJECTS

Home SOC Lab & Security Testing 20246

Built VLAN-segmented lab with pfSense, DHCP, DNS, and VPN for hands-on troubleshooting and security practice

CERTIFICATIONS

Cisco Certified Network Associate (CCNA) – Jan 2020

Microsoft Azure Fundamentals – Sept 2022

Server Infrastructure – Sept 2023

Network Defense Essentials – May 2024

NDG Linux Essentials & Unhatched – 2021

EDUCATION

National Open University of Nigeria BSc Information Technology. 2016 – 2022 TS Academy Cyber security 2026- In Progress

ICDFA Cybersecurity and Digital Forensic 2026- In progress REFERENCES

Available upon request

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