Senior IP Engineer
Huawei
Total years of experience :17 years, 11 Months
Responsibilities:
Pre-Sales Support, Solution Designing as per RFP, Solution Proposal, HLD, LLD designing, etc.
Project / POC Delivery, Implementation of Network Part (including Switch, Router, Firewall, WLAN, Agile Controller, eSight, SDN, RADIUS, NMS, etc.
Project Training - Prepare customer training document related to the project and deliver training.
Training - Training Partners’ Engineers as well as Customer.
Key Project Involvement:
Doha Metro MPLS LANWAN Network Project Solution Designing.
Al Rowad Cloud Data Center Network Infrastructure designing and implementation. Migration from Cisco Nexus, ASA and Palo Alto to Huawei Products.
Bahrain Airport Project (High performance, reliable high speed backbone network using Data Center Switches)
DWC Core Network Migration from Cisco to Huawei.
University of Bahrain Campus WLAN project.
ADCCI Agile Network with Free Mobility consisting of Core and Access Layer Network, WLAN, Network Security, Free Mobility, NMS and Log Center.
Alpha Data Cloud Infrastructure Project (High availability of High End Core Switches, USG and NGFW Module Firewalls, eSight, Log Collector)
Oman MOD 3 Layer Network Infrastructure POC.
Flora Barsha Hotel Project (Include Core Switches, Access Switches, WLAN and Firewall)
Multiple Training to enable Engineers from Partner.
• Responsible for Network and Network Security infrastructure of the Company. It has own Data Center.
• It has three layer architecture network running Cisco 6509 in Core, Cisco 4500 series in Distribution and Cisco 3560 & 2960 in Access Layer.
• Network protocols like OSPF for Routing and IPSec for VPN, VLAN, VTP, STP, Etherchannel, etc.
• Cyberoam UTM is being used as Gateway to internet for users running with IPS, Web Filter, Application Filter and Gateway Antivirus.
• Cyberoam is also being used for site-site VPN connection for the remote site.
• Using Cisco ASA 5500 series to secure the infrastructure.
• WLAN infrastructure including 4400 series WLC and 1100 & 1000 series of LWAPs.
• Two leased line, MPLS and DSL internet connection at Data Center.
• Looking after OpManager and NetFlow Analyzer to monitor the infrastructure.
• Planning and implementing all network related requirements for existing and new office setup.
• Configuring, Monitoring, Troubleshooting and Documentation of network infrastructure.
• Dealing with vendors.
AtoS (Siemens) IT Solutions & Services - Kolkata - From 4th October, 2010 - Till Date.
Project Name : US DATA Network Support.
Role : Network Operation Engineer - L1/L2
Designation : Associate Systems Engineer
Major Clients : Siemens Operating Companies and Talecris Biotherapeutics. Altogether there are 400 sites located in USA for which we provide offshore network support 24x7.
Responsibilities:
• Monitoring and Troubleshooting of their existing network setups including:
i) MPLS, P-to-P, T1, Metro Ethernet and DSL WAN Links on Cisco 2600, 2800, 3600, 3800 & 7200 Series Routers.
ii) 3 Tier Network architecture including Cisco 6500 & 4500 Series switches on Core, 3500 & 3700 Series Switches on Distribution and 2960 switches on Access Layer.
iii) IPSec VPN connection between Corporate office and Remote locations using Cisco ASA 5505.
iv) DMVPN connection between Corporate office and small offices using Cisco 2811 Router at central office and Cisco 871 ISR at remote site.
v) Cisco WCS, 4400 Series WLC and 1100 & 1200 Series AP to provide wireless connection.
vi) Running Network Protocols like EIGRP, OSPF, HSRP, IPSec, GRE Tunnel, VLAN, STP, etc.
• Handling of Trouble Tickets for Critical, Major & Minor Incidents within SLA time using HP PPM and Clarify ticketing tools.
• Troubleshooting Connectivity, Latency, Links flapping, Network outage, Wireless connectivity issues.
• Managing and troubleshooting HSRP, VLANS, Ether channel, STP issues.
• Analyzing Devices logs through Monitoring Applications (Orion, Site scope, Spectrum, NetQoS, etc).
• IOS up-gradation of Routers & Switches following e-change process.
• Escalating issues using appropriate escalation procedures.
• Coordinating with onsite team whenever needed.
• Coordinating with various International ISPs (Orange, Verizon, AT&T, etc) for issues regarding T1/E1, Point to Point, Frame-Relay, MPLS and DSL Connections.
Company Detail : The Company is a Class-B ISP Operating in Kolkata. It provides home and business class internet connection and having approximately Thirty Five thousand Domestic and more than 200 Corporate Client.
Role : Network Administration
Designation : Jr. System Administrator
Responsibilities:
• Monitoring and maintenance of their existing 1 Gbps Internet Link.
• Configuring, Monitoring and Troubleshooting of Backbone Switch (Cisco Catalyst 3550) running Dual ISP link. This switch had following features running:
i) BGP for advertising their IP Address blocks.
ii) Policy Based Routing for load sharing between two ISPs.
iii) Access List for restricting unwanted traffic and unauthorized access.
• Configuring, Monitoring and Troubleshooting Distribution Switches (Cisco Catalyst 3550 & 3750). Following task had to perform:
i) Configure Default Routing for traffic towards Internet. Static Routing for different subnets to reach different servers and distribution switches.
ii) Configure QoS to put Bandwidth limit on leased line customers.
iii) Configure IP interfaces to provide connection to Leased Line Customers.
iv) Implement ACL for unauthorized access to internal network.
• Configuring, Monitoring and Troubleshooting Gateway Routers (Allied Telesyn AT9924 L3 Switch) were used as Gateway for domestic customers. Following task had to perform:
i) Implementing VLANs for dividing the network into groups.
ii) 802.1q Trunk links to allow multiple VLANs traffic.
iii) Implementing SVI for each IP subnets.
iv) Implemented LACP for utilizing redundant links between NOC and Hub.
v) Implemented Filter to restrict unauthorized access.
• Configure SNMP for network management. MRTG server for monitoring Traffic flow.
• Backup and restore of the device configuration and IOS up-gradation.
• Consulting with Upstream Providers in case of any problem in the internet links.
• Keeping all network related documentation (Network Diagrams, Configurations, etc).
Completed MCA from Sikkim Manipal University (Distance Learning)
