ARUP KUMAR BASAK CISSP,CISM,CCSA,CC,CCNP,ITIL,CPISI

Experience

• 

  Spectrum Engineering Consortium Ltd.

  Jul 2008 - Mar 2012

  Network Engineer

   Planning, Solution Designing & Implementing Network Infrastructure Projects for client’s New IT infrastructure requirement analysis, BoQ mapping. Implementation of Microsoft Active Directory Domain Infrastructure Projects.

• 

  GPIT

  Apr 2012 - Dec 2013

  Senior System Engineer, Network & Internet Systems, Infrastructure.

   Administration, Operation & Maintenance of Grameenphone Data Center IT Network Infrastructure for 5000 GP users, largest Data Center of the country. Configuration & Maintenance of Cisco Nexus 7K,5K,1K,6509-E,6506-E,3560-G Switches. Administration of WLAN Infrastructure of GPHouse,GP-CHQ, for 3500 users, with Cisco Wireless Controller-WISM SVC-1 & Cisco LAP 1252,LAP 1262-The largest campus WLAN infrastructure in Bangladesh. Administration of Layer 3 campus network Infrastructure of GPHouse- GPCHQ, for 3500 users, largest Layer 3 campus network infrastructure in Bangladesh.  Administration, Operation & Maintenance of 60 Grameenphone Regional Offices LAN,WLAN & WAN Network Across the country. Configuration & Maintenance of Cisco Wireless Controller,3750-E,6509-E,4506-E Switches, Cisco 1841,1941,7200VXR,2800 Routers, Lightweight & Standalone Access Points, Cisco radius/TACACS server ACS 4.2 Configuration of Cisco Nexus VDC-virtual device context, VPC-virtual port channel, Layer 2 architecture with MST including all features, Port Channel,HSRP,DHCP snooping, Port Security features,VTP architecture, device access policy with ACS. WLAN advance feature configuration ( Wireless controller failover, User authentication with radius & MAC, Certificate based WLAN user authentication, guest user access control policy). Configuration of Static & Dynamic Routing Protocols OSPF (NSSA,STUBBY,TOTALLY STUBBY),RIP,BGP during new network integration as per network solution architecture. Cisco Autonomous Access Point configuration with radius server authentication.  Configuration & Administration of Huawei Routers (AR 3260),L2 & L3 Switches ( S5700,S3700),Voice Gateway (AR 2240),IPT Systems, Access Controller (WS6603) for WLAN Management. Network Architecture Planning & Designing for New Project Requirement & Site Integration. Change & Configuration management as per ISO 20000 & 27000 Process. Network Capacity Planning & Requirement Analysis. Show less

• 

  Accenture

  Jan 2014 - Sept 2017

   Administration, Operation, Maintenance & Troubleshooting of Enterprise Datacenter Network for 3 Telenor Telco Business Units-Grameenphone (Bangladesh), DiGi(Malaysia),DTAC (Thailand) & Telenor Global Shared Service ( GSS) Datacenter. WAN, LAN & WLAN network administration for total 17000 no. of enterprise users for 4 Telenor Telco organization’s in ASIA. Operation, Administration & Maintenance of Telenor Asia Global Shared Services (GSS) Datacenter, Malaysia ( Central Enterprise Datacenter of Telenor ASIA). Day to Day operation & administration on advanced network technologies ( Cisco Nexus7K,5K,F5 Load Balancer’s, Bluecoat Packet Shaper, Catalyst 65xx, ASA Firewall,72xx,37xx, Cisco wireless controller 55xx & Prime Infrastructure, DHCP, Cisco ACS 5.x) Network Infrastructure Critical Incident handling & troubleshooting on time. Change & Configuration management as per ISO 20000 & 27000 Process. Show less  Administration, Operation, Maintenance & Troubleshooting of Enterprise Datacenter Network for 3 Telenor Telco Business Units-Grameenphone (Bangladesh), DiGi(Malaysia),DTAC (Thailand) & Telenor Global Shared Service ( GSS) Datacenter. WAN, LAN & WLAN network administration for total 17000 no. of enterprise users for 4 Telenor Telco organization’s in ASIA. Operation, Administration & Maintenance of Telenor Asia Global Shared Services (GSS) Datacenter, Malaysia ( Central Enterprise Datacenter of Telenor ASIA). Day to Day operation & administration on advanced network technologies ( Cisco Nexus7K,5K,F5 Load Balancer’s, Bluecoat Packet Shaper, Catalyst 65xx, ASA Firewall,72xx,37xx, Cisco wireless controller 55xx & Prime Infrastructure, DHCP, Cisco ACS 5.x) Network Infrastructure Critical Incident handling & troubleshooting on time. Change & Configuration management as per ISO 20000 & 27000 Process.See less Show less

  • Infrastructure Senior Analyst | Network & Internet Systems | Infrastructure | Technology

    May 2015 - Sept 2017

  • Infrastructure Analyst | Network & Internet Systems, Technology

    Jan 2014 - Apr 2015
• 

  BKash Limited

  Oct 2017 - now

   Planning, Operation & Maintenance of bKash DC-DR network security infra with Cisco ACI/MSO,NGFW. Monitor network traffic flow, check & analyze suspicious network traffic behavior on NGFW IPS & SIEM,IPS/IDS rule tuning, security enforcement. Campus network management & LAN/WLAN automation using Cisco DNAC SD-Access. Network Project planning, designing solution architecture, capacity & risk analysis. Network automation using ansible, planning for network resource optimization, SOP on troubleshooting methodologies. Participate as change advisory board (CAB) member to drive and acknowledge network CR as well as cross functional change activities. Site-to-Site IPSEC VPN connectivity configuration & maintenance with Telecom Operators, Banks,NBFI,NGO and with other local & International Partners for integrating various products and services. Remote Access VPN connectivity administration & maintenance for 1500+ users, which comprises of Cisco FTD/FMC, RSA /AZURE multi factor authentication. Periodic Network vulnerability assessment & remediation as per recommended guideline. Multiple stakeholders, vendor /service provider management for Data & Internet Connectivity ,SLA & Performance Analysis. Change & incident management as per ITSM /ITIL standards. Management reporting along with network performance metrics, vendor evaluation, RCA/MIR report, BCP/DRP planning. Perform governance,risk & compliance activities for network security infra aligning with business goals and stakeholders requirement. Show less  Planning,Operation & Maintenance of bKash DC-DR network security infra with Cisco ACI/MSO,NGFW. Monitor network traffic flow, check & analyze suspicious network traffic behavior on NGFW IPS & SIEM,IPS/IDS rule tuning,security enforcement. Campus network management & LAN/WLAN automation using Cisco DNAC SD-Access. Network Project planning,designing solution architecture,capacity & risk analysis. Enabling security  Site-to-Site IPSEC VPN connectivity configuration & maintenance with Telecom Operators, Banks,NBFI,NGO and with other local & International Partners for integreting various products and services. Remote Access VPN connectivity administration & maintenance for 1500+ users, which comprises of Cisco FTD/FMC, RSA /AZURE multi factor authentication. Periodic Network vulnerability assessment & remdiation as per recommended guideline. Multiple stakeholders, vendor /service provider management for Data & Internet Connectivity ,SLA & Performance Analysis. Change & incident management as per ITSM /ITIL standards. Peform governance,risk & compliance activities for network security infra aligning with business goals and stakeholders requirement. Show less

  • Deputy General Manager | Network Operations

    May 2023 - now

  • Manager | Network Operations | Technology

    May 2020 - now

  • Assistant Manager | Network Operations | Technology Division

    Oct 2017 - Apr 2020