This document is a curriculum vitae for Abhijit Das that summarizes his professional experience and technical skills. He has over 11 years of experience in IT, including 6 years as a network and security administrator. Currently he works as a network administrator at Bhushan Power and Steel Limited, where he is responsible for managing their network infrastructure including switches, routers, firewalls, and other devices.

1. CURRICULUM VITAE
ABHIJIT DAS
E-mail: abhijit2490@yahoo.co.in
Mobile No. +91 7064787537
Summary: A Young IT professional overall 11+ years of experience in the IT industry.6+ years of
relevant experience as Data and Security Administrator.
• Presently working as a Network Administrator at Bhushan Power and Steel
Limited.
• Hands on experience in planning, designing and Implementation of Enterprise
Network Infrastructure.
• Provide Network solutions as per company needs.
• Hands on experience in installation and configuration of network devices like
Switches, Routers ,security devices like Cisco ASA and Fortinate Firewall, Load
Balancer, Cisco Wireless equipments, Cisco IPT.
• Long-standing professional customer relationships by providing adequate
support to meet their expectations.
• Ability of learning new technologies with in the required stipulated time period,
and implement those technologies at work.
Professional Experience:
Organization : Bhushan Power and Steel Limited(Jharsuguda,Odisha)
Period : 15th
Sep’2014 to till date
Designation : System Engineer
Role : Network Administrator
Team Size :25
Network Device :Cisco 4506,3750,3650 & 2960 switches,Cisco Router 2800 & 1700 Series,
Cisco ASA 5520 (ver 8.0,8.1 & 8.3 & latter) and Fortinet 300C,400A and 200B (FortiOS Ver.4.x &
5.x) series UTM devices and Baracudda Link Balancer(330),AT-600 series L3 switch, AT-
x210,AT-8000GS L2 switch etc.
Responsibilities:
• Manage and administer BPSL Data Centre network Infrastructure.
• Manage, configure and monitor more than 300 cisco switches in VTP domain.
• Install and Configure L3 Cisco switches like 4500, 3750, 3650 and L2 switch 2960 as per
the requirements.
• Use Cisco Stackwise in cisco 3750-X switches.
• Configure and manage L2 and L3 data vlan,inter vlan routing, vtp and trunk.
• Configure and manage Ether Channel(using LACP).
• Configure PVST+ to prevent switching loop.
• Configure and manage HSRP to provide gateway redundancy.
• Implement VLAN load balancing between two core switches using HSRP and PVST+.
• Handle & Troubleshooting Spanning tree related issues.
• Configure and manage Layer-2 security.
• Manage network security using Cisco ASA, Fortinate firewall and Baracuda Link Balncer.
• Configure and Manage Site-to-Site and Remote access IPSec VPN tunnel as per
requirements.

2. • Configure different types of nat as per requirements.
• Configure ACL and NAT to filter inbound and outbound traffic.
• Monitor WAN link and Bandwidth utilization using Baracuda Link Balancer.
• Configure and manage Fortinate UTM Firewall(300C,400A and 200B).
• Configure Equal Cost Multipath Load(ECMP) Balancing between 2 no. ISP link in
Fortinate Firewall.
• Manage and Monitor Signature and anomaly based IPS in Fortinate Firewall.
• Update the IPS signature and IPS engine from FDN network.
• Configure policy as per requirements.
• Configure policy based routing in fortunate firewall.
• URL/WEB filtering using Fortinate firewall.
• Configure and manage Ipsec L2L and Remote Access vpn on fortunate firewall.
• Configure and manage ssl vpn (Tunnel & Web mode) in fortinate firewall as per
requirements.
• Mange and troubleshoot the static route related communication.
• Troubleshoot vpn related issues.
• Handle and Troublrshoot the L2 and L3 label network related issues.
• Use PRTG and Nagios to Monitor the Network node availability/uptime and interface
bandwidth.
• Responsible for Asset management.
• Co ordinate with ISP to manage 4 no. of ILL link.
• 24X7-production support
Achievements in BPSL:
1. Design and planning BPSL GET Hostel Campus Network as per Cisco Three layer
Architecture for 3000 users(Project Running)
2. Implements PRTG ver.15.2 Network Monitoring Tool for GET Hostel Campus Network.
3. Design and Implement BPSL Delhi office Network Infrastructure.
4. Configure and Implement Nagios Core 4.0.8 in RHEL 5.x to Monitor network switches,
Windows servers, CCTV cameras, Access Point of BPSL IT Infrastructure.
5. Implement Kiwi syslog server for BPSL GET Hostel and BPSL Core Network
infrastructure.
6. Configure and implement MRTG on Linux to monitor interface bandwidth from distribution
to core and as well as all Internet Links.
Organization : PCS Technology Ltd.
Period : 13th
June’2011 to 8th
Sep’2014
Designation : FMS Engineer
Project Details
Customer : Tata Medical Centre(Kolkata)
Period :13th
June’2011-8th
Sep’2014
Role : Network Administrator
Team Size :25
Network Device : Cisco 2800 series ISR Router,4506,3750,3650 & 2960 switches,4404 & 4402
Wireless Lan Controller and 1200 series LWAP, Cisco wired IP phone like 7940,7911 and
wireless IP phone 7921,Cisco ASA 5520(ver.8.x) and ACS ver.5.0,CUCM ver.7.1.5
Responsibilities:
• Install and Configure L3 Cisco switch like 4506,3750,3560 and L2 switch 2960.
• Configure and manage Cisco 2800 series router.
• Configure and manage L2 and L3 data vlan,voice vlan,inter vlan routing,vtp and trunk.
• Configure and manage Ether Channel(using LACP).

3. • Configure PVST+ to prevent switching loop.
• Implement VLAN load balancing using HSRP and PVST+.
• Handle & Troubleshooting Spanning tree related issue.
• Configure network security with Cisco ios, acl,acs and asa.
• Configure TACACAS+ to centralize authentication of Network devices using Cisco acs.
• Manage and configure Site-to-Site and Remote access IPSec VPN as per requirements.
• Configure Static, Dynamic and Identity NAT in Cisco ASA as per requirements.
• Configure ACL to filter traffic on ASA as per requirements.
• Configure radius on for vpn user’s authentication.
• Configure and manage ntp server.
• Configure and manage wireless network with 4400 series controller and 1200 series
LWAP using 802.11b/g.
• Use WEP,WPA and WPA2 encryption for Wifi security.
• Use VLANs or MAC address control lists combined with encryption to restrict user
access.
• Implement Cisco secure guest access features to allow visitors to connect to the network
or Internet
• Secure the WLC management ports.
• Deployment and management of Cisco CUCM 7.x and CUCME.
• Installation, Management and Backup Monitoring of CUCM cluster.
• Configure Cisco Wired and Wireless IP phone like 7940,7911 and 7921 series and Cisco
IP Communicator(Soft Phone).
• Configure Cisco and Patton ATA to integrate analog telephone devices into Cisco IPT.
• Configuring cucm features and services like call park, call back, call forward, call hunting.
• Configure route pattern and calling search space.
• Configure Audio conference bridge using Cisco MCU.
• Manage video conference using polycom unit(dialing by ISDN and IP).
• Configuration of Voice Gateways on 2821 ISR router.
• Configuration of call signaling protocols on Voice Gateways using H.323,SIP and SCCP.
• Configuration and Instillation of Voice Interfaces like E1 & T1 Lines (CAS and PRI),
BRI,FXS, FXO.
• Configure and manage paging system on cucme.
• Configure Cisco VT camera as requirements.
• Troubleshoot IP Phone related issues.
• Troubleshoot wireless network related issue.
• Mange and troubleshoot the static route related communication.
• Troubleshoot vpn related issues.
• Handle the L2 and L3 label Cisco networking call.
• Use kiwi syslog server to monitor and troubleshoot network issues.
• Use solarwind server edition and mrtg to monitor interface bandwidth.
• Network Device Asset management
• 24X7-production support
Organization : CMS Infosystems Pvt. Ltd.
Period : 8th
June’2004 to 11th
June’2011
Designation : FMS Engineer
Project Details
FROM JUNE’2009 TO JUNE’2011 WORKED AS A FIELD CUSTOMER SUPPORT ENGINEER
Role: Network and System Engineer
Responsibilities:

4. • Install, manage and troubleshoot Networking devices like Cisco 4500,3650,3750 & 2960
series Switches and 2800,1800,1700 Series Router.
• Configure vlan,vtp,trunk,hsrp in different customer places.
• Managing and Troubleshooting Wan,Lan,Vlan,Vtp,trunk,hsrp,glbp,vrrp
• Working with traditional STP and PVST+ to avoid switching loop.
• Configure and manage ether-channel using PAgP and LACP.
• Configure static and default route as per requirements.
• Working with routing protocol like RIPv2,EIGRP,OSPF.
• Configure ACL as per requirements.
• Manage and Monitor Leased Line and ISDN T1/E1 pri link.
• Backup and restoring network device’s configuration.
• IT Asset Management.
From June’2004 to May’2009
CLIENT:HPCL(Kolkata)
Team Size:10
Role: System Engineer
Responsibilities:
• Maintain and Troubleshooting different vendor Desktop PC like IBM,Hcl,Wipro and Acer.
• Install, configure and manage WinXP,WinVista, Win 2003 server in Domain Environment.
• Install, configure and Troubleshoot many application software like Novel Groupwise
Client, MsOffice 2003,WinVnc, Hindi Indic, Leap Office etc.
• Maintaining Security of Systems by implementing Anti virus Software and other
miscellaneous security tools
• Up to date documentation and trouble shooting of systems
• Management and Supervision of Multiple HPCL locations in the East Zone.
• Backup and restoring data
• Managing & Troubleshooting Networking devices like Cisco 2950 Switch, 1700 Series
Router, Dlink ADSL Lan Extender, ISDN NT1, Cisco ata-186 etc.
• Managing and Troubleshooting Local Area Network including WLAN with Cisco APs
• Monitoring and Maintain the Leased Line and ISDN link by following up with BSNL.
• IT Asset Management and Vendor management
Technical Skills
NETWORK
• Working with cisco devices like 4500,3750,3560,2950 series switches and
2800,1800,1700 series routers.
• Working with cisco 4404 and 4402 WLC and 1200 series LWAP, ciso ASA.
• Knowledge in cisco ASA Active/Standby failover
• Configure different network topologies like LAN, WAN, MAN.
• IP Addressing/Subnetting/VLSM/CIDR.
• Knowledge on Cisco Stackwise Technology
• Configure Static and Default Route.
• Configuration of routing protocols like EIGRP,OSPF and BGP.
• Configuration of ACLs: Standard & Extended.
• Backup/Restore process of Router and switches configuration using tftp.
• Configuration of VLAN,VTP, trunks,STP,PVST+,RSTP,CDP,HSRP,VRRP and GLBP.
• Strong understanding of Layer-2 Security
• Configuration of SPAN and RSPAN.

5. • Working with Ether Channel(PAgP and LACP).
• Configure switch port security.
• Configuration of WAN Protocols like PPP&HDLC,Fram-Relay.
• Implement RADIUS to authenticate R2S vpn user between acs and asa.
• Implement TACACAS+ to Secure Network devices using Cisco ACS.
• Configure Network security using Cisco ASA 5520 firewall.
• Configure Site-to-Site and Remote Access IPSec VPNs in Cisco ASA.
• Configure Static and Dynamic NAT in Cisco ASA.
• Configure ACL to filter traffic on ASA.
• Hands on working knowledge on Cisco Wireless environment.
• Hands on working knowledge on Cisco IPT environment.
• Working with Cisco Attendant Console.
Certification:
• Cisco Certified Network Associate (CCNA)
• Microsoft Certified Professional (MCP)
• Oracle Solaris10 System Administrator
Education:
1. Passed 3-years Diploma in Electrical Engineering with 73.3% in the year 2000 from
Calcutta Technical School under West Bengal State Council of Technical Education.
2. Passed Higher Secondary examination in the year 1995 with 56.3%.
3. Passed Secondary examination in the year 1993 with 58.4%.
Personal Details:
Father’s Name :Niranjan Das
Date of Birth : 3rd
June,1977
Languages known :English, Hindi and Bengali
Permanent Address : Vill- Bhanta, PO-South Garia, Dist.-24pgs(S),Pin-743613
Expected CTC :Negotiable
PAN NO. :AWHPD8862E
Notice Period : 30 Days
____________
ABHIJIT DAS
Kolkata

6. • Working with Ether Channel(PAgP and LACP).
• Configure switch port security.
• Configuration of WAN Protocols like PPP&HDLC,Fram-Relay.
• Implement RADIUS to authenticate R2S vpn user between acs and asa.
• Implement TACACAS+ to Secure Network devices using Cisco ACS.
• Configure Network security using Cisco ASA 5520 firewall.
• Configure Site-to-Site and Remote Access IPSec VPNs in Cisco ASA.
• Configure Static and Dynamic NAT in Cisco ASA.
• Configure ACL to filter traffic on ASA.
• Hands on working knowledge on Cisco Wireless environment.
• Hands on working knowledge on Cisco IPT environment.
• Working with Cisco Attendant Console.
Certification:
• Cisco Certified Network Associate (CCNA)
• Microsoft Certified Professional (MCP)
• Oracle Solaris10 System Administrator
Education:
1. Passed 3-years Diploma in Electrical Engineering with 73.3% in the year 2000 from
Calcutta Technical School under West Bengal State Council of Technical Education.
2. Passed Higher Secondary examination in the year 1995 with 56.3%.
3. Passed Secondary examination in the year 1993 with 58.4%.
Personal Details:
Father’s Name :Niranjan Das
Date of Birth : 3rd
June,1977
Languages known :English, Hindi and Bengali
Permanent Address : Vill- Bhanta, PO-South Garia, Dist.-24pgs(S),Pin-743613
Expected CTC :Negotiable
PAN NO. :AWHPD8862E
Notice Period : 30 Days
____________
ABHIJIT DAS
Kolkata