Agustus 18, 2025
Rufaidah-network
SOPHAN AHMAD
Jln Sejahtera, Kab. Wajo, Sulawesi Selatan, Indonesia
📞 +62 853 9800 6431 | ✉️ cicwarnet@gmail.com
🔗 linkedin.com/in/sophan-ahmad-38ba4a69
Professional Summary
Power & Network Engineer with 20+ years of experience in IT infrastructure, networking, and system administration. Skilled in troubleshooting, server and network management, and implementing reliable power solutions. Experienced in assembling and deploying solar cell backup systems, rectifiers, and batteries for telecom towers in off-grid areas. Adept at site survey, installation, commissioning, monitoring, and ensuring system uptime.
Core Skills
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Power Systems: Solar cell assembly, Rectifier integration, Lithium/Lead-acid battery handling, UPS
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Networking: PPPoE, VLAN, DHCP, NAT, Firewall, Hotspot, Bandwidth Management
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Protocols: TCP/IP, OSPF, BGP, DNS, VPN (PPTP, L2TP)
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Devices: MikroTik, Ubiquiti, FiberHome ONT
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Operating Systems: Debian/Ubuntu Server, RouterOS, Windows Server
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Monitoring: Grafana, Prometheus, AdGuard, Telegram Bots, familiarity with BMS/NMS/PMS
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Other Skills: Helpdesk, Access Control, Risk Assessment, Policy Writing, Troubleshooting, Project Coordination
Professional Experience
Community FTTH Operator (RT/RW Net) – Wajo, Indonesia | 2021 – Present
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Built and operated FTTH network with 50+ daily active users.
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Implemented PPPoE, VLAN, and bandwidth management (1:10 ratio).
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Assembled solar cell backup systems for towers without electricity, integrating rectifiers and batteries.
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Automated user isolation/reconnect system for billing.
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Integrated AdGuard & BIND for DNS filtering.
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Developed real-time monitoring and alert system with Grafana & Telegram.
Network Engineer – CV Rufaidah Network Solution | 2017 – 2023
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Optimized network performance (15% faster data transfers).
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Scaled capacity to maintain 99% uptime.
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Updated and enforced security policies, reducing breaches by 20%.
System & Network Administrator – LPSE Kabupaten Wajo | 2017 – 2019
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Installed and configured routers, switches, and firewalls.
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Diagnosed and resolved network/system issues.
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Monitored system performance and supported staff.
System Administrator – PT Olami Tinelo Lipu | 2004 – 2006
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Designed and implemented new network architecture.
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Developed and enforced IT security policies.
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Provided user support and ensured system uptime.
Certifications
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Magma: Cloud Native Wireless Networking – Linux Foundation (2025)
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Open Source and the 5G Transition – Linux Foundation (2025)
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Edge IoT Solutions with EdgeX Foundry – Linux Foundation (2025)
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Cybersecurity Essentials – Linux Foundation (2025)
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XSS Exploits and Defenses – Linux Foundation (2025)
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Open Source License Compliance – Linux Foundation (2025)
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Intro to Cybercrime | Cloud Security | Cyber Security – Linux Foundation (2024)
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Linux Fundamental – Aguna Course (2024)
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Network Fundamental – Aguna Course (2024)
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Certificate of Appreciation – Rumahweb Indonesia, PANDI & Swakarta (2024)
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D3 Accounting – Universitas Negeri Gorontalo (2003)
Education
Diploma (D3) – Accounting
Universitas Negeri Gorontalo | 2003
References
Available upon request.
