
Hasanuzzaman
Technical Network Support, VPN Specialist, OSPF, ISIS, BGP, MPLS, Troubleshoot
Skills

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Werkervaring
Officer-Information Technology
Incepta Pharmaceuticals Limited • Fulltime
Nov 2025 - Present • 6 mos
• Administer enterprise network (VLAN, inter-VLAN routing, firewall policies). • Manage system availability, monitoring, backup, and user access. • Coordinate with vendors and internal teams for IT service continuity. • Troubleshoot network, server, and application-level issues. • Ensure security, compliance, and uptime of critical IT services.
Senior Network Engineer
Bahon Limited • Fulltime
Dec 2022 - Dec 2024 • 2 yrs
• Configuration, Troubleshooting and Management of different IP Routing protocols (BGP, OSPF, ISIS). • MPLS, MPLS-VPN, Segment-Routing, EVPN, Q-in-Q, QoS, VPN. • Service (L2/L3) delivery, Link shifting, traffic handover, BW modifications, Link troubleshoot. • Experienced on Cisco IOS (Xe,XR), Juniper Junos-MX, Huawei-ATN, Mikrotik Platform. • Backbone link expansion and new device installations. • Implement technical solutions for Service providers and Enterprise Customers. • Handling customer’s complaints for maintaining high quality of service and SLA. • Planning and Development of Network.
System Engineer
Summit Communications Limited • Fulltime
Oct 2018 - Dec 2022 • 4 yrs 2 mos
• Core Network Administrations, Management and Monitoring. • Routing and Switching. • Worked with Clients for service (Internet, GGC, FNA, PNI, and BDIX) configurations. • Troubleshooting for Traffic optimization, Bandwidth utilizations, Latency, Packet loss, Throughput etc. • Integration and Commissioning the Network. • Maintain Project implementation and project life cycle deadline. • Prepare documentation and plans for each responsible project and verify with the Manager. • Prepare and maintain backup, restores database.