Sk Ariful Alam
13.4 years (Relevant 11.4 Years) experience in Network Design, Implementation, Operations & Support
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Electronics & Tele-Communication engineering with 13.4 years (Relevant 11.4 Years) of experience in Network Design, Implementation, Operations & Support with CCIE DC (Lab Attempted) & CCNP Certifications. Well versed in preparing HLD, LLD for complex Network & Datacenter environment.
2009 - 2011
IP network design, implementation & support for “Bharti Airtel East Hub DC & East Zone Offices. Worked on WAN Infrastructure running OSPF & BGP as core routing protocol. Configuring and troubleshooting OSPF, EIGRP, BGP4 & static route, Multi Link, Tunneling etc. Worked on ASA firewalls, deployment of any connect VPN, Site to Site VPN. Working knowledge on STP, Inter-VLAN Routing, HSRP, and VRRP & GLBP. Cisco Wireless – WLC, AP etc Rectifying network traffic related problems using Packet Analysis tools like Ethereal, Wire shark etc.
HCL Comnet Ltd
Senior Network Engineer
2011 - 2014
Worked as Team Lead of 10 members deputed in different Regional Offices of Union Bank for the entire East locations of India. Network Implementation and support for Union Bank network. Worked with WAN Infrastructure running BGP, Configuring IP-Sec, familiar with MPLS Technology. Working exposure in LAN, VLAN, VTP, STP, IPv4, IP sub-netting, VLSM. Familiar with Cisco Call manager, IP Telephony Working knowledge on PRI / ISDN as backup link. Worked on HSRP, VRRP & GLBP.
Senior Network Engineer
2014 - 2015
Working knowledge of Network Design, Implementation and providing operational support in complex network environments. TESCO (UK) DC, Head Offices & Stores Network Implementation & Support. Working with WAN Infrastructure running BGP, OSPF and Familiar with MPLS. Working exposure in Nexus, ASA, and Familiar with ACE Load Balancer, Fortinet, and Checkpoint. In depth familiarity with HSRP, VRRP, VPC, VSS, Ether-Chanel, LAN, VLAN, VTP, STP, IPv4, VLSM. Designed & Deployment of ACS Distributed Systems with 4.2, 5.3 & 5.5. Working knowledge on wireless technology - Cisco AP, WLC. Familiar with Network Monitoring Tools – HP NNMI, CA Spectrum, Solar winds etc. Preparing HLD, LLD, Incidents Report, test sheet, providing team training, Preparing POA & SOP.
Lead Administrator - Network
2015 - 2017
Working knowledge of Network Design, Implementation & Support in complex network environments. Preparing HLD, LLD, Incidents Report, Test Sheet, providing team training, Preparing POA & SOP. Working with WAN Infrastructure running BGP, OSPF and Familiar with MPLS. Working knowledge on VMware NSX, ISE, Trust Sec – Borderless Networking Working exposure in IPSEC, ASA.Checkpoint. Working knowledge on Nexus, 7200, 6500, VPC, VSS, Ether-Chanel, LAN, VLAN, VTP, STP, and VTP. Working on Gateway Redundancy Protocol – HSRP, VRRP. Working exposure on wireless technology - Cisco AP, WLC. Working knowledge on ACS, ISE. Familiar with HP – NA, NNMI, CA Spectrum, Solar winds etc.
Bandhan bank Ltd
Network Administrator - manager
2018 - Present
Act as Network Domain Lead of Bank IT Infrastructure. Design, Implementation, support & review of Bandhan Bank DC & DR. Exposure in Cisco ISE Distributed setup Design & Implementation of DR setup. Designing & Support of Network connectivity for financial system like Merchant Service, NPCI- NACH, H2H, SWIFT, SFMS, CTS, Card Payment System – VISA, RUPAY, MasterCard etc.
DNS Infotech Pvt Ltd
2007 - 2009
Worked on CISCO routers / switches as per the company guideline. Managing LAN, VLAN & inter VLAN routing. Worked on Leased Circuit, Static Route etc. Taking care of Network devices as per Cisco advisories, IOS up-gradation.
HCL Infosystems Ltd
Customer Support Engineer
2006 - 2007
Worked on Win XP, Win Server 2000, 2003, Troubleshooting & Maintaining PC systems, Hardware, LAN, VLAN etc.
VELOC Broadband Services
2005 - 2006
Troubleshooting & Maintaining PC systems software, Hardware, LAN, VLAN, Maintaining link & follow up with service provider.