PROFESSIONAL SUMMARY:

• Cisco Certified Network engineer with over 8+ years of expertise in Designing, Implementing and troubleshooting various Network Technologies.
• Sound knowledge of Routing and switching concepts and MPLS design.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP - BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Familiar with Cisco Security SDM, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security, IPS/IDS, Cryptography, VPN, IPsec.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Implemented and maintained Big-IP F5 load balancing solution across multiple datacentres.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, ISL/ 802.1q, Ether channel, Port Security, STP, RSTP and MST.
• Expertise in configuring and troubleshooting of Palo Alto, Fortinet, Juniper Net screen & SRX Firewalls and their implementation
• Extensive experience in Layer 3 routing and Layer 2 switching. Experienced dealing with router configurations like 7200, 3800, & 2800 and switches 6500, 4500, 3750, 2900 and 3500XL series
• In depth understanding of IPV4 and implementation of Subnetting.
• Well Experienced in configuring protocols HSRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
• Experienced in DNS, DHCP, SMTP, FTP, HTTPS and web security architecture
• Implemented IPv4 migration to IPv6 (NAT-PT, Tunneling, etc.) and IPv6 routing protocols (RIP, OSPFv3, EIGRP, BGP etc.)
• Thorough understanding of VPN technologies like IPSec, GRE tunnelling, MPLS for remote access security.
• Experience deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS).
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Analyze packet captures using Riverbed Cascade Packet Analyzer to document and profile network traffic.
• Experience working on Aruba wireless controllers.
• Good knowledge of Palo Alto Firewalls and the Panorama Network Security Management Box.
• Included in team for configuration and monitoring of Citrix NetScaler (Both MPX and VPX)
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Implementation experience with ServiceNow and multiple other ITSM related tools.
• Network planning and implementation of WAN technologies including E3, E1, T1, T3, ISDN, HDLC, PPP, Frame Relay, ATM and MPLS VPN
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550), Bluecoat Proxy SG300/600.
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Experience in testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
• Experience in Network Management Tools and sniffers like SNMP, SolarWinds, Wireshark and Cisco work to support 24 x 7 Network Operation Center.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• Implemented VDC, VPC, VRF and OTV on the Nexus 5505 and 7009 switches.

TECHNICAL SKILLS:

Network Concepts: OSI Model, TCP/IP, UDP, IPV4, IPv6, Subnetting, VLSM, Layer2/3, Advanced switch and router configurations (Cisco IOS)

Switching Technologies: Vlans, Trunking, Ether Channel, Port Fast, Up-link, STP, RSTP, PVST+, DTPMLPPP, IEEE 802.1q, MPLS, ISL and dot1q, SMTP, Inter-VLAN Routing, Light weight access point.

Switches: Cisco Nexus series 1k,2k,5k,7k,9k

Routing Technologies: RIP (Versions 1 & 2), IGRP, EIGRP, OSPF, BGP v, IS-IS Static Routing, Route Filtering, Redistribution, Summarization.

Load Balancers: Cisco CSM, F5 Networks (Big-IP) LTM 8950, GTM 6400, F5 Vipiron, Cisco ACE 4710

Network Management Tools: Wireshark, Net flow Analyzer, Cisco Works, SolarWinds, InfoBlox, Ethereal, Splunk, SNMP.

Infrastructure services: DNS, ICMP, SNMP, ARP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP

LAN Technologies: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN Technologies: Frame Relay, PPP, HDLC, Channelized links (E1/T1/E3/T3), MPLS, GRE Tunneling, VOIP

Network Security: VPN, NAT/ PAT, access-lists, IPSEC, Juniper SRX

Firewall: Bluecoat, Juniper Secure Access VPN Appliance, Checkpoint and Palo Alto, Cisco PIX, ASA.

OS products/ Services: Windows XP/ 7/ 8, Windows Server 2003/ 2008, Mac OS X and Linux

Language skills: C, C++, Python

Additional Technologies: MS (Office, Word, Outlook, Excel, PowerPoint, Visio), VMware, Adobe Photoshop and Illustrator

PROFESSIONAL EXPERIENCE:

Confidential, Boston, MA

Network Engineer

Responsibilities:

• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuration 7609, 7606 with OSPF and catalyst 6500, 4500, 3550 switches with various VLAN.
• Worked on Cisco switches (6509, 6513, and 4510) for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Management of roughly 800 nodes through SolarWinds Orion network performance monitor
• Performed LAN operations and troubleshooting which involves working on VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Worked on Cisco Firewall ASA 5500(5510/5540) Series. Performed Security operations in terms of pushing new policies and deploying new rules.
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required.
• Responsible for interoperability testing between Avaya and Cisco voice and data products such as Avaya Communication Manager.
• Knowledge of Cisco Unified communications experience installing, maintaining, configuring, and troubleshooting VoIP equipment including Cisco gateway routers, call managers, Unity servers, etc.
• Installation and troubleshooting of Cisco 5508 and 2504 WLAN controllers and Aruba Mobility controllers.
• Handling the Configuration and troubleshooting nexus different series switches.
• Performing security troubleshooting in terms of checking ACLs and ACEs and traffic flow analysis using packet capture features.
• Developed backup and restore procedures
• Network and system monitoring with SolarWinds and syslog-ng using SNMP, ICMP, and syslog for all Servers, switches, and UPS
• Support routing protocols including BGP and OSPF routing, HSRP, load balancing/failover configurations, GRE Tunnel Configurations, VRF configuration and support on the routers
• Experience on dealing with Cisco Application Centric Infrastructure (ACI) by integration hardware and software products as per network layout
• Implemented site to site VPN in Juniper SRX as per customer and various EX, SRX & J series Juniper devices.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1.
• Migrated previous corporate Checkpoint 4.0 Firewall-1/VPN-1 on Windows NT.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
• Configuration of private, and public connectivity between the Virtual Network in AWS and the on-premise enterprise network using AWS Direct Connect.
• Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.
• Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Brocade support in iSCSI, FCIP, GigE, FICON, FCoE, DCB/CEE, and Layer 4-7 networking protocols
• Monitoring and capturing the traffic using network management tools like solar winds and InfoBlox.
• Team member of Configuration of Cisco 7206 router with VPN and Configuration of Catalyst switches.
• Designing and implementing wireless architectures (Cisco Aironet APs and Cisco 5500 series controllers).
• Configuring secured connection between routers using GRE tunneling to achieve IPsec.
• Experience in Implementation and configuration of F5 Big-IP LTM-6400 load balancers.
• Experience in Handling F5 LTM, GTM, ASM series like 6400, 6800, 8800,8950 for the corporate applications and their availability.
• Maintain BIG IP F5 configuration for modules LTM, ASM, APM and future GTM
• Managed the configuration inventories and timely revisions for ACI policies.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local Preference.
• Managed successful delivery of massive security response portfolio including Splunk, Cisco ISE, Infoblox.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Advanced knowledge in Design, Installation & configuration of Palo Alto & Checkpoint Provider Environment.
• Performed on Palo Alto Firewall on network security software and hardware, security monitoring systems, encryption software, threat and vulnerability management services and software, identity management solutions and network objects on global group, clean up unused rules, decommission etc.
• Experience in configuring troubleshooting and implementation of A10 networks.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Providing Technical Support and solutions for Network Problems.
• Experience on AWS services like EC2, S3, VPC, Cloud Formation, Cloud Front and many other services.
• Helped customer to migrate to AWS from their data center.
• Glacier for storage and backup on AWS.
• Configured AWS Identity and Access Management (IAM) users and groups for improved login authentication.
• Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network / security infrastructure.
• Upgrading IOS, troubleshooting network outages.
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long-term planning, implementation, project management and operations support as required.
• Design Planning and Commissioning of new Wi-Fi network equipment across Hybrid Fiber Coax Networks for WAN/LAN Broadband Wi-Fi solutions
• Configured and troubleshoot cisco WAP, and cisco prime.
• Having Datacenter design experience, installing and configuring network d evices in a Datacenter including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register.
• Plan and implement complex network changes as per ITIL specifications.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
• Knowledge on Cloud Computing Concepts like - IAAS, PAAS, SAAS.
• Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring.
• Deliver IT Services Management (ITSM) solutions based on ITIL best practices that focused on the people, process, and technology, and information perspectives of providing business solutions within the IT infrastructure.
• Software and Monitoring: CLI, SolarWinds, Net Brain, ServiceNow

Environment: Cisco 3560/2950/2924/6509/6513/5500 Switches, Cisco 1800/2800/2500/2600/2800/1600/3800/3900/7204/7606 routers, Palo Alto, BMC Remedy, Cisco ASA 5540, BIG-IP LTM 8900, QOS, Policy-maps, Class-maps, Vlans, Avaya, Transition/Migration, Wi-Fi, STP, RSTP, PVSTP, VTP, HSRP, Ether Channel, BGP, OSPF, EIGRP, MPLS, ATM, PPP, HDLC. SNMP, DNS, DHCP, InfoBlox, Solar Winds, Syslog, Checkpoint, F5 Load balancer, Nexus 7K,5K,2K, Juniper 3600, 5600, Cisco AP’s, LAN, WAN.

Confidential, Cleveland, OH

Network Engineer

Responsibilities:

• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Cisco routers 7200, IOS 12.4 & switches 3750, 4500, 6500; RIPV2, OSPF, EIGRP, VLAN, DHCP, DNS, MPLS, ISDN, DSL, T1 Lines.
• Coordinate, execute and evaluate logical and physical level issues to resolution including troubleshooting Cisco, Aruba and Citrix equipment.
• Configuring Network Devices in a Datacenter including patching the cables in the Patch Panel.
• Implemented Cloud based Email redundancy, protection & archiving utilizing Google Applications Continuity & Vault services allowing users to continue to use email during email maintenance, access to archived email & protection against email malware & viruses.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Configured OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding.
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
• Excellent in patches and packages installation on LINUX/UNIX environment.
• Delivered projects at various verticals/customers enabling technologies for SDN, OpenStack cloud Based initiative and NFV.
• Collaborate with other technology teams to design and implement backup solutions tailored to each group’s needs
• Manage backup data retention and storage resources available
• Providing 24x7 SLA support for issues encountered by client Server Administrators during data restores and backups.
• Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Implementing security Solutions using Palo Alto Pa-5000/3000, Cisco ASA, Checkpoint firewalls R75, R77.20 Gaia and Provider-1/MDM.
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Installed, configured, and managed the firm's Citrix Access Gateway appliances and NetScaler’s 8.0.
• Created documentation for server builds and Citrix applications installations.
• Implemented Hot Standby Router Protocol (HSRP) various OSPF scenarios on networks consisting of 7600 routers.
• Resolved risks in security systems and work with other technical experts to mitigate security issues using Splunk, Solar Winds
• Responsible for ServiceNow tool administration module and creation of new Groups, IT Services, Application, Business Services, Routing rules and Blackout Freeze rules.
• Supported multi-vendor LAN/WAN enterprise environment including Aruba controllers, Airwave and APs/Cisco wireless controllers.
• Worked on Palo Alto Firewalls and the Panorama Network Security Management Box in order to route over the data logs to the Logging device.
• Configuring and provisioning Cisco Nexus 7K, 5K using VPC and port channel and troubleshooting the same.
• Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS)
• Worked with team Managing and configuring Aruba Wireless controller devices (7210, 7240) and Cisco Access Points
• Configured policy based routing for BGP for complex network systems.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
• Configuring and managing static, dynamic and default routing, troubleshooting Cisco L2, L3 switches; VPC, VSS, VLANs, VTP, STP, ACLs; routing protocols- RIP, EIGRP, OSPF, BGP; DHCP, NAT and PAT on Cisco Routers.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Install and upgrade Bluecoat proxy SG (900, 810 and SG9000 series) and Proxy AV (510,810 and 1400 series) in all the Datacenters.
• Hands on experience on inspection, data loss prevention, content caching and bandwidth management using Bluecoat proxy.
• Duties concentrated on Project Management & Implementation work with Cisco Nexus Switches, Juniper SRX firewalls, and F5 Vipiron load balancers.
• Monitor network activity using riverbed cascade profiler.
• Configure policies on the Bluecoat VPM, local database and PAC files to filter the traffic flow by creating custom rules, URL categories and routing policies.
• Configure and manage Bluecoat 510 directors in active and Standby mode.
• Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter.
• Handling various trouble tickets, firewall rule changes, assisting other teams to bring the device to production, making DNS changes in InfoBlox and routing changes.
• Experience in nexus9k/5k/2k/1k devices.
• Continually monitor, assess and improve network security, test and implement new security technologies.
• Analyze packet captures using Riverbed Cascade Packet Analyzer to document and profile network traffic
• The support focused more on in-depth problem analysis of Cisco, Citrix and Aruba products and their integration into enterprise-wide mixed environments.
• Providing solutions on issues where customer application needs SNAT, FAST L4, and Persistence profiles to be added to the present VIP configurations, to make this application work as expected
• Worked on F5 LTM, APM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Regular upgrade and maintenance of Infrastructure including Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Bluecoat Proxy and Riverbed Steelhead appliances.
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Configured and implemented remote access solution for customers: IPSEC, Site2Site, GRE tunnel end-to-end.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1.
• Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator.
• Configuring VLAN, STP VSTP, SNMP, Port Security on Juniper EX series switches.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server client environment with resource allocation to desired Virtual LANs of network.
• Implementing NAT/PAT solutions on WAN applications
• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.

Environment: Cisco 3u 750/3550/3500/2960 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Citrix XenApp5.0, Citrix NetScaler 8.0 Cisco Nexus9K/5K/2k/1k, 2248/3560/5020/6509 , VPN, RIP, EIGRP, BGP, OSPF, MPLS, F5 Load Balancer, Palo Alto SSL, VPN, IPsec, SNAT, InfoBlox, Solar winds.

Confidential, Mclean, VA

Network Administrator

Responsibilities:

• Performed network engineering, design, planning (WAN & LAN) & implementation. Studied single point failures & designed WAN structure in such a way that there are no failures in network in case of any device or link failure.
• Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
• Experience in Designing, Racking, stacking, configuring and troubleshooting of Cisco IOS Devices, Cisco Nexus Devices and Cisco UCS servers for large environments.
• Setting up VLANS and configuring ISL trunk on Fast-Ethernet channel between Switches.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
• Hands on Experience in UNIX, patching (UNIX) and Compliance / Risk management.
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
• Worked on cisco chassis 4k series switches.
• Assisted the design and implementation of Cisco Unified Communications products such as Call Manager, Call Manager Express.
• Configured servers and SNMP alerts on Citrix NetScaler SDX.
• Involved in setting up new Citrix NetScaler SDX 15000
• Installation of patches, Security fixes, packages on UNIX, Solaris and Windows Servers.
• Implementing, Monitoring, Troubleshooting and Convergence in Frame-Mode MPLS inside the core.
• Configuring VLAN, spanning tree, VSTP, SNMP on EX series switches
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices
• Designed and implemented security policies using ACL, PIX firewall.
• Additional responsibilities include the production of clear and concise documents and diagrams capturing all network and operational procedures and LAN/MAN/WAN topology using HP Open view and MS Office.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Configured DNS and DHCP for servers using InfoBlox.
• Design and configuring of OSPF, BGP, EIGRP on Cisco/Juniper Routers and SRX Firewalls.
• Configured routing policy for BGP. Switching related tasks included implementing VLANs and configuring ISL trunk and 802.1Q on Fast-Ethernet channel between switches
• Implemented Cisco IOS Firewall IDS using 2600 series router.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Troubleshooting on network problems with Wire shark, identify problem and fix.
• Experience with configuring Nexus devices.
• Worked on automation of test environment using Shell, Python Scripting.
• 2000 Fabric Extender (FEX) which acts as a remote line card (module) for
• Understand the JUNOS platform and worked with IOS upgrade of Juniper devices
• Redistribution of routing protocols and Frame-Relay configurations.
• Configuring and troubleshooting type of routing to route traffic flow per customer requirement as primary, backup/load balanced and load splitting.
• Engineering, re-designing, upgrading and tier 3 administration of Citrix NetScaler.
• Performed the maintenance of Active Directory and replication scheme, DNS/DHCP services and time services; wrote step-by-step procedures for implementing upgrades.
• Dealt with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL.
• Configured VLANs on a switch for inter-VLAN communication. Configured VLAN Trunking Protocol (VTP) on Core Switches. Configured various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches for STP, VTP Domain, VLAN, Trunking, Fast Ether Channel configuration.

Environment: Cisco routers (1600, 3600, 7300) and Cisco switches (6509, 3550, 4500, 2900), Nexus (7K, 5K & 2K), Routing, Trunking, STP, RSTP, protocols (EIGRP, OSPF, BGP), Switching Protocols (VTP, STP, GLBP, HSRP), MPLS, Citrix NetScaler, Cisco PIX (525, 515E), ASA (5540, 5510) firewall, Python, DNS, DHCP, InfoBlox.

Confidential, NEWARK, NJ

Network Engineer

Responsibilities:

• Involved in the redistribution into OSPF on the core ASA firewall.
• Also, prepared documentation for various VLANS and Voice sub networks and worked on Visio for the same.
• Installed and configured DNS and DHCP server.
• Involved in troubleshooting of DHCP and other IP conflict problems.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Configuration of Access List ACL (STD, Ext, Named) to allow users all over the company to access different applications and blocking others.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Configured and installed Cisco 2500, 3640, 7200, and 7940 Routers.
• Troubleshot network bandwidth performance, mismatched framing and line coding.
• Coordinated with LAN/WAN engineers the development and implements security policy.
• Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet gateways.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.
• Configured remote users to access corporate LAN with VPN connectivity.
• Configured TCP/IP addressing scheme to assigned IP blocks.
• Proactively monitor Broadband (DSL, Cable, Fiber, Wireless) circuits and networking equipment
• Worked on a migration project which involved the removal of all static routes from core devices
• Worked on the redistribution of connected routes on all OSPF devices so that all connected subnets are advertised via OSPF.
• Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Involved in the modification and removal (wherever necessary) of BGP from the MPLS routers.

Environment: Cisco routers (7900, 3600, 2500), Cisco switches (4500, 6500), Cisco ASA Firewall (5510), Routing Protocols (EIGRP, RIP, BGP), Switching protocols (VTP, STP).

Confidential

Jr. Network Engineer

Responsibilities:

• Have ability to install and maintain Microsoft Exchange and worked extensively on different applications.
• Created network diagram for employees using the Microsoft Visio.
• Preparing Client Machines for users with Operating Systems, Software, antivirus and required utilities and mailing clients etc.
• Primarily responsible in designing and maintaining the budget for the whole network.
• Perform daily maintenance, troubleshooting, configuration, and installation of all network components.
• Configuration of CISCO Routers (3600, 4000 Series) and 3550, 4500 series switches.
• TCP/IP network planning, Implementation and Management with subnets.
• Enabled SNMP traps for our Cacti Monitoring tool to monitor traffic and check the regular health of Servers and Network Devices
• Implementation of Virtual LANs across Routers and Switches.
• Implemented and Configured IP Routing Protocols: OSPF, EIGRP, and RIPv2
• Implemented and configured LAN Protocols: Ethernet, VLANs, VTP and STP.
• Worked with Remedy Ticketing tool in maintaining and keep a track of logs/monitor
• Designed and implemented IP Addressing, Subnetting, Route Summarization and Route Distributions

Environment: LAN, WAN, Subnetting, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP