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$20 USD / Hour
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Bangladesh (1:45 PM)
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Joined on October 2, 2025
$20 USD / Hour
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I am a dedicated Network and System Administrator with strong expertise in managing, securing, and optimizing IT infrastructures. Over the years, I have worked extensively with Windows and Linux servers, enterprise networking devices, domain environments, virtualization platforms, and cloud-based services. My role often bridges the gap between system performance and organizational needs—ensuring business continuity, security, and scalability. Area of expertise: ✅ Network administration (Routing, Switching, VPNs). ✅ Wireless (Cisco, Meraki, Altai, TP-link, Asus). ✅ Security (Fortinet, Cyberoam, Palo Alto, PFsense, opnsense). ✅ VOIP (FreePBX, atcom, esCene, Univoip, Asterisk and Cisco CUCM,CME ). ✅ Virtualization (VMware, Microsoft HyperV). ✅ System administration (Microsoft and Linux servers.) ✅ Cloud computing, dedicated servers and VPS (Google, AWS, Digital ocean) ✅ Surveillance (HikVision, Dahua, Uniview, Xiaomi, Eufy etc ). Beyond the technical side, I value problem-solving, collaboration, and clear communication, which help me support users. Passionate about continuous learning, I actively explore new technologies like cloud computing, virtualization, and cybersecurity to enhance my expertise and deliver future-ready IT solutions. Why Choose Me: ✅ 10+ years of hands-on experience in Computer Networking, Server Management, and IT Security. ✅ Proven expertise in configuring, troubleshooting, and maintaining Firewalls, Routers, Switches, and VPNs. ✅ Skilled in multiple environments including Windows Server, Hyper-V, Cisco, Fortinet, and Hikvision systems. ✅ Reliable and detail-oriented — I ensure every project is delivered securely, efficiently, and on time. ✅ Strong problem-solving skills with a focus on minimizing downtime and improving performance. ✅ Excellent communication & support — I stay available throughout the project for smooth collaboration. ✅ Client satisfaction first — I treat every project as my own and deliver long-term, stable solutions.
Verifications

Established full network

Established full network
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Experience
Assistant Manager
Oct, 2011 - Present
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14 years
RAK Ceramics (Bangladesh) Limited
Oct, 2011 - Present
•
14 years
Maintaining, administering and monitoring RAK Ceramics Infrastructure, Data Centre, Server and Network. Cisco Identity Services Engine (SNS-3615-K9) Dot1x LAN & Wireless, MAB LAN & Wireless, TACACS+, RADIUS. Firewall, Switches, Routers, Wireless, Servers, Reverse proxy server configure, manage and monitoring. Ensuring single point of failure and uptime. Strong Knowledge and Hands on experience on Technical Planning, Installations, Upgrades, Maintenance, hardware sizing, IT Asset Inventory etc.

Dhaka, Bangladesh
Oct, 2011 - Present
•
14 years
IT Officer
Jan, 2009 - Sep, 2011
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2 years, 7 months
Prostar Group
Jan, 2009 - Sep, 2011
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2 years, 7 months
Technical support to all the employees of Company and it's associated for the product development and implementation process. LAN, Router, Switch, Access Point, CCTV, Installation / configure / troubleshooting. Configure and troubleshoot Outlook, Eudora for email service. Repairing and replacing equipment as necessary. Timely response to employee queries and requests to ensure functionality Manages all system timely backup and restore protocol.

Dhaka, Bangladesh
Jan, 2009 - Sep, 2011
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2 years, 7 months
Education
Dhaka International University
2009 - 2012
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3 years
B.Sc. Engineering on Computer Science and Engineering

Bangladesh
2009 - 2012
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3 years
Qualifications
Cisco Certified Network Professional Routing and Switching
2019
CISCO
Cisco Certified Network Professional Routing and Switching Year: 2019 Conducted by: CISCO
2019
Cisco Certified Network Associate Routing and Switching
2018
CISCO
Cisco Certified Network Associate Routing and Switching Year: 2018 Conducted by: CISCO
2018
Microsoft Certified Solutions Associate (Windows Server)
2018
New Horizons
Microsoft Certified Solutions Associate (Windows Server 2016) Year: 2018 Training Centre: New Horizons
2018
Certifications
P
Preferred Freelancer Program SLA