SUMMARY:

• Over 9 years of hands on experience in designing, integrating, deploying, maintaining and supporting broad range of Network and security infrastructure.
• Strong hands on experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 9K,7K, 5K,2K series, Cisco router models like 7200,4400, 3900, 3800, 2900, 2800, 1900, 1800 series and Cisco catalyst 6500,4500, 3750, 3500, 2900 series switches, WLC’s, WAP’s, Proxies.
• Experienced in Deploying Wireless Network Infrastructure and Wireless Survey Best Practices. Experience with Cisco wireless solutions including 2504, 5508, 5520, 8500 WLCs.
• Advanced knowledge in TCP/IP suite and IPAM, routing protocols, such as OSPF, EIGRP, ISIS, and BGP.
• Expertise in network protocols, Firewalls and Communication Network design.
• Advanced knowledge, design, installation, configuration, maintenance and administration of Juniper SRX Firewall, Juniper EX and Juniper MX devices.
• Experience in monitoring, debugging, and resolving Cisco infrastructure issues like routing, Network Hardware/Software failure, configuration, WAN outages, and performance issues.
• Working experience on WAN technologies like MPLS, Frame Relay/ATM network, PPP, HDLC, T1, DS3, ADCCP.
• Working experience on Cisco Virtual Office solution.
• In-depth knowledge and experience on IP Addressing, Subnetting, VLSM, and ARP, Ping concept, working knowledge on OSI model, TCP/IP, 802.1q.
• Experience in performing system administration for Red Hat Linux, Microsoft Windows 2008 Enterprise Server, Windows 2003 Standard/ Enterprise Server, Windows 2000 Standard/ Advanced Server, Windows98/XP/Vista/7.
• Experience with working on latest cisco switches like Nexus 2000, 5000, 6000 and 7000 series switches while implementing advanced features like VDC, VPC, OTV and Fabric Path.
• Troubleshoot Data center network issues, Cross connectivity and WAN Backbone issues between Data centers.
• Experience in cloud, wan optimization and application performance, and applications delivery, utilizing Riverbed's complete Applications Performance Infrastructure platform.
• Used DHCP to dynamically assign reusable IP addresses to DHCP clients using Infoblox IPAM and resolved IP address conflicts.
• Worked with Harmonic CTO office to architect next gen broadband technology/DOCSIS remote Phy solution.
• Provide testing expertise for various technology environments. Responsible for developing, executing and evaluating Network test plans.
• Strong troubleshooting skills using Packet capture in Cisco devices and FW monitor and TCP dump in Checkpoint devices and analyzing them in Wireshark & NetScout.
• Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM & GTM.
• Experience in Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480).
• Demonstrated experience in developing, implementing, auditing Checkpoint firewall (R77.30) configurations and analyzing, optimizing rule sets.
• Complete understanding of basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 load balancer and general troubleshooting of the F5 load balancers.
• Used Cisco ACI (Application Centric Infrastructure) SDN architecture to reduce operating costs, automate IT tasks, for greater scalability and visibility in a data center environment.
• Experience with converting Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Palo Alto rules.
• Responsible for the secure development lifecycle for Cisco's Nexus line of products, including Application Centric Infrastructure (ACI), Application Policy Infrastructure Controller (APIC) - Cisco's Software Defined Network (SDN) solution, as well as the Cisco Nexus 9000, 7000, 6000, 5000, 4000, 2000.
• Involved in standardizing Splunk forwarder deployment, configuration and maintenance across UNIX and Windows platforms.
• Experience in Physical cabling, IP addressing, configuring and supporting TCP/IP.
• Hands on experience with ACI (Application Centric Infrastructure) with spine and leaf architecture.
• Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Hands on experience with packet sniffer, TCP DUMP and Wire shark for packet monitoring.
• Written Python and Power shell scripts for the automation of deployments and integrating with the CI tool.
• Deploy, scale and automate network across multiple global datacenters supporting Amazon Web Services (AWS).
• Worked with I.T. Departments on "Best Practices" for Blackberry Server, Exchange/Active Directory Deployment, Windows 7 and Office 2010 Rollouts.
• Excellent interpersonal, communication and organizational skills with the ability to interact effectively with employees at all level of the organization.
• Great exposure to SDN and network function virtualization (NFV) technologies like Cisco ACI.
• Troubleshooting and problem resolution of Virtualization (vSphere 4.1\5.1\5.5) Infrastructure.
• Provided second/third level technical support for ACI (Application Centric Infrastructure) technologies

TECHNICAL SKILLS:

Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP

Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix/Palo Alto/Fortinet/Juniper firewalls.

Routing Protocols: OSPF, ISIS, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Security Technologies: PAP, CHAP, Cisco PIX, Blue Coat, Palo Alto, ASA, Fortinet, Checkpoint

Network Monitoring: Solarwinds, Wireshark, HRping, Whatsupgold, Infoblox

Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR, IOS-XE, NX-OS

Routers: 1800, 2611, 2800, 3600, 3845, 3900,4300, 4400, 4500, ASR 1000X, 7206VXR, Juniper M & T Series.

Load Balancers: F5 Networks (BIG-IP), Netscaler (Citrix)

Capacity & performance: Cascade Riverbed (Flow Monitor), WAN Killer

Switches: CISCO 2960,3750,3850, CAT 9300, CAT9400, CAT 9500,4500,6500,6800 Nexus 7k,5k,2k

Programming Languages: C, C++, Perl, Power Shell, Python

Simulation Tools: GNS3, VMware, OPNET IT GURU, OPNET Modeler, Cadence

Firewalls: Juniper Net Screen (500/5200), Juniper SRX (650/3600), Pix (525/535), ASA (5520/5550/5580 ), McAfee Web Gateway, Checkpoint, Palo Alto firewalls.

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Features & Services: IOS and Features, HSRP, GLBP, VRRP, IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR s, HLD and LLD documents, Dell equal logics

PROFESSIONAL EXPERIENCE:

Confidential, Irving, TX

Sr. Network Engineer

Responsibilities:

• Designing and supporting the consolidation of data centers utilizing Cisco 6500, Nexus 2K, 5K and 7K infrastructure.
• Configure and maintain all Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale Firewall deployments.
• Hands on experience on all software blades of Check Point Firewall. 24x7 on-call step-up support as a part of the safety operations team.
• Working closely with knowledge center management to investigate the information center sites for cabling necessities of assorted network instrumentation.
• Provided application level redundancy and accessibility by deploying F5 load balancers long-term memory.
• Experience with converting Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
• Provided Level-3 Network support for Cisco Switches and Cisco ASA 5500 Series Security.
• Implemented Site-to-Site VPNs over the Internet utilizing 3DES, AES/AES-256 with ASA Firewalls.
• Experience in converting PIX rules over to the Cisco ASA solution.
• Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Worked extensively in Configuring, observation and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover demilitarized zone socialization & configuring VLANs/routing/NAT.
• Managing a TACACS server for VPN user authentication and network devices authentication.
• Performed Imperva Secure Sphere DAM on WAF Health Checks.
• Hands-on expertise within the network management of circuit's mistreatment TDM and Frame Relay.
• Managing and providing support to numerous project groups with regards to the addition of recent instrumentation like routers switches and firewalls to the DMZs.
• Implementing traffic engineering on existing Multiprotocol Label Switching (MPLS) network and Open Shortest Path First (OSPF).
• Provided redundancy in a very multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Handling enterprise outages effectively and driving towards the resolution. Coordination of fault escalations in conjunction with the first high-level technical management of high priority or technically complicated calls.
• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.)
• Configured and troubleshooting River bed WAN optimization software to improve the network acceleration at the user end.
• Earlier efforts included verification of DOCSIS upstream logical channels, proprietary RF spectrum management algorithms, system high-availability, etc.
• Support vendors with product and service requirements based on Charter business needs and internal customer requests. My position requires technical skills and working knowledge of DOCSIS Specifications including the following technologies DOCSIS 2.0, DOCSIS3.0, DOCSIS 3.1, Packet Cable 1.0, Packet Cable 1.5 and Packet Cable 2.0.
• Deploy, scale and automate network across multiple global datacenters supporting Amazon Web Services (AWS).
• Knowledge and skill of 802.11 a/b/g/n LAN normal for wireless Technology.
• Used Cisco ACI Fabric which is based on Cisco Nexus 9000 Series Switches and the Cisco Application Virtual Switch (AVS).
• Worked on implementing lab for SDN using Cumulus Linux for test-driving part of DC migration to SDN.
• Coordinating, documenting and managing cases and routing support calls with the Tier 1, Tier 2, and Tier 3 Support engineers at HPE and AT&T.
• Configure best route map configurations in the new Cisco IOS XR Routing Protocol Language (RPL).
• Supporting EIGRP and BGP supported network by partitioning level two & three issues of internal groups & external customers of all locations.
• Performing troubleshooting on slow network property problems, routing problems that involves OSPF, BGP and distinctive the foundation reason for the problems.
• Extensive active expertise with complicated routed local area network and WAN networks, routers and switches.
• Design and Building Software-Defined Data Center environment, including Vmware, VCenter, NSX and Cisco ACI.
• Hands-on expertise with Ether Channel, Spanning Tree, Trucking, ACLs, Syslog. Expertise with the setup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
• Proficiency in configuration of VLAN setup on varied Cisco Routers and Switches.
• Work allotted tickets to see the purpose of failure and resolve issues remotely utilizing obtainable tools and different Operation Center resources.
• Monitor the network using cisco prime, HRping.
• Provide step-up support to L1 members of network team.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
• Configured Windows Clusters, Windows NLB, H/W Load Balancers (F5, Netscaler). Deployed, configured and troubleshooting runtime errors related to .Net applications on 7.0/7.5 Web Servers and Windows Server 2008/2008 R2 in Dev, QA & Pre-prod environments.

Environment: Nexus 2k/5k/7k, Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, Juniper SRX100, Fortinet Next Generation Fire Walls, LAN, WAN, OSPF, RIP, BGP, EIGRP, HSRP, PPP, VPN, Checkpoint, Cisco ASA, AWS, TCL, Riverbed, Clustered SQL server 2014/2012/2008 R2/2008/2005, DC migration, Active-Active& Active-Passive Clustering, Windows 2012/2008R2/2008/2003

Confidential, Bethesda, MD

Sr. Network Security Engineer

Responsibilities:

• Managing and configuring Cisco Switches and Routers independently.
• Providing Technical Support and solutions for Network Problems.
• Creating and managing user accounts to all team members in partner environment.
• Managed VPN, IPSec, Endpoint-Security, status policy, and Application control, IPS, Monitoring, Anti-Spam, Smart Provisioning and DLP using Checkpoint Firewalls.
• Responsible for design and implementation/migration from Cisco wireless platform to Aruba wireless platform.
• Design, support and configure Cisco legacy wireless and WLSE networks and devices using Cisco Prime.
• Involved in upgrading Rios Riverbeds and IOS upgrade of switches and routers.
• Standardized Splunk agent deployment, configuration and maintenance across a variety of UNIX and Windows platforms.
• Implementation and troubleshooting of 802.11a/b/g/n technology with primary focus on Cisco Unified Wireless Network /Configure Aruba wireless Controller 7210
• Troubleshoot WAN, LAN, security, access, and Cisco wireless connectivity using BBSM for guest wireless access and Sniffer software for troubleshooting, Cisco Works, HP Openview, Tivoli or related tools.
• Experience with wireless survey tools (AirMagnet or Ekahau Site Survey).
• Experience with wireless survey methodologies for office, factory, warehouse, outdoor, and mesh designs.
• Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
• Configuring and implementing F5 BIG-IP, LTM, GTM load balancers to maintain global and local traffic.
• Hands on experience with troubleshooting and configuring terminal servers.
• Experience in Cisco switches and routers: IP addressing, WAN configurations, LAN cabling in compliance with CAT6 standards.
• Implementation of Active Directory infrastructure and Network fundamentals, protocols (such as TCP/IP, DHCP, DNS), Group Policy and Profile Management.
• Co-ordinate with end users and departments in configuring special applications to use Active Directory authentication.
• Configuration and troubleshooting link state protocols like OSPF in multiple areas.
• Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Installed, configured and set security policies on Cisco and checkpoint firewalls, VPN.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Monitoring Network infrastructure using SNMP tools HPNNM, Solar-winds and Opnet.
• Escalation of procedures and customer notifications.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Configuring ASA Firewall and accept/reject rules for network traffic.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Modify and implement ACL changes on store routers and assist the user when there are any issues using Network Authority. Authentication to this is also done through TACACS.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SMTP, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication
• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems.
• Worked on Cisco ISE to prevent unauthorized access to the network.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Deploying Service Packs and Security patches bi-monthly on BGIT Application servers (Product Studio and VSTFS)., which include windows 2008, 2012 R2 and MS SQL server 2008 and 2012R2 Servers
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP.
• Integrate with business owners and Scheduled Windows servers patch using patch management and install Windows service pack.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds.
• PCI compliance responsibilities; provide all documents, configs, diagrams for PCI audit.

Environment: Cisco switches - 2948/3560/4500/3560/3750/3550/3500/ and Cisco Nexus 7K/5K, Cisco ASA 500, Cisco routers - 1200/3640/7200/3845/3600/2800, Cisco ISE, F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP, TCL, SQL Server 2005 Integration services packages.

Confidential, Madison, WI

Sr.Network Engineer

Responsibilities:

• Daily analyzing network traffic and looking for trends, malicious activities, created vulnerability report with action plans.
• Primary responsibility for the Core Security of the Network. Managing the entire Network Security Products deployed in the network such as Checkpoint (GAIA R 75.40/77.20 ).
• Configuring VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches.
• Researched, designed, and replaced aging Checkpoint firewall architecture with new next generation Palo Alto appliances serving as firewalls.
• Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering)
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
• Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/Switches/firewalls.
• Experience with converting Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
• Ensured all team members understand and are onboard with the SOC mission statement and goals.
• Ensured the team has quarterly/annual objectives and goals.
• Ensured the team performs quality analysis of security events via routine audits/coaching.
• Ensured the team provides customers accurate and insightful analysis of security events in a timely manner.
• Installation, configuration, and troubleshoot on Riverbed Steelheads.
• Ensured all team members providing top notch customer service via routine audits/coaching.
• Ensured all work within team is being recorded in a work order, copiously notated, and ensuring the requests are addressed in timely fashion.
• Ensured SOP processes and procedures are accurate, efficient, update-to-date, and scalable.
• Administration of Juniper SSL VPN, Web sense Web Security and Iron port.
• Evaluated the capabilities of McAfee Network Access Control by constructing checks and benchmarks for McAfee products, WSUS servers, Internet Explorer proxies, and encryption status alerts.
• Deployed VMs in Windows Azure for testing in SIT & QA environments.
• Create VMs with SQL Server 2012 in Windows Azure for QA test requirement.
• Setup AD Domains and Virtual Networks in Windows Azure test environment.
• Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.
• Exposure to wild fire feature of Palo Alto.
• Configure and install Aruba wireless controllers 7210 and access points.
• Built alert & monitoring scripts for applications & servers using Python & Shell Script
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Provide support for 2Tier and 3Tier firewall architecture, which includes various Checkpoint, Cisco ASA firewalls and Palo-Alto firewalls.
• Configuration of Checkpoint R77.30 series firewalls and implementation for outbound traffic via blue coat proxy server.
• Extensive implementation of firewall rules on Juniper SRX 3600, SRX 650 and SRX 220 on a daily basis, using SPACE as well as CLI when needed.
• Worked with level-2 team on migration project of CMA's from one Provider-1 to other Provider-1.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1.
• Used McAfee ePolicy Orchestrator to monitor and identify potential intrusions and attacks for the Cyber Security Operations Center (CSOC).
• Deployed a Syslog server to allow proactive network monitoring.
• Implemented VLANS between different departments and connected them using trunk by keeping one VlAN under server mode and rest falling under client modes.
• Built and support VRRP / Cluster based HA of Checkpoint firewalls.
• Bluecoat Administration - Blocking/Unblocking URL's.
• Worked on Checkpoint Platform including Provider Smart Domain Manager. Worked on configuring, managing and supporting Checkpoint Gateways.

Environment: VSTP, VRRP, SNMP, VLAN, WAP, UNIX, Linux, F5 Load Balancer, FTP, BPDU Guard, Wi-Fi, CSOC, WSUS, ASR9000 Devices, Check Point Firewall (GAIA R 75.40/77.20 ), VPN, Palo Alto Firewalls, Juniper Firewalls.

Confidential, Wichita, KS

Sr. Network Engineer

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services.
• Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, DMVPN, MPLS WAN, QoS and Route Maps.
• Installing and Configuring Nexus 9k, 7k, 5k, 2k, Cisco 6800, 6500, 4500, 3800 and 3600 switching platforms.
• Troubleshoot connectivity issues involving VLAN's, OSPF, QoS etc. Support, monitor and manage the IP network.
• Performance monitoring of applications and web servers to maintain quality of service and network stability.
• Maintained core switches, creating VLAN's and configuring VTP.
• Designed IP Addressing schemes, VLANs and Switch port assignments, Ether-channel implementation.
• Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
• Installed and set up Cisco routers and switches using CLI according to deployment plans.
• Applied access lists and NAT configurations based on implementation guidelines.
• Managed and developed network projects designed to strengthen network continuity and deploy security elements in an attempt to meet and exceed contract requirements, including system analysis & troubleshooting.
• Hands on experience of the different F5 load balancing options and features to include Persistence, SSL offload functions, HTTP profiles, iRules, etc.
• Change management, monitoring network performance with network tools.
• IP Distribution for existing devices and new devices as they were added.
• Preformed maintenance on equipment as necessary, performing device upgrades, modification of configurations, password changes and diagnostic testing.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in an event where a core router became unreachable.
• Responsible for maintenance of multiple CheckPoint-1 firewalls on NT environment
• Worked with vendors and Engineering team to test new hardware and procedures.
• Prepared and maintained documentation using MS Visio.
• Route configuration and point code checks for System Technician and Network Technician.
• Hands on experience on 802.11 a/b/g/n Ethernet standard for wireless Technology, WAP’s, WLC’s
• Worked with other team members in testing of the network architecture.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, BGP.
• Upgrade multiple Checkpoint firewall and NG on distributed NT environment. And manage network security policies which include access control, NAT, content security and authentication.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solarwinds etc.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco ASA 5500 series firewalls.
• Hands on with configuring routers and switches through CLI or console for brand new cisco devices.

Environment: Nexus 9k, 7k, 5k, 2k, Cisco 6800, 6500, 4500, 3800 and 3600 switches, Checkpoint, Cisco ASA, F5 BIG-IP, HSRP, BGP, OSPF, EIGRP, DMVPN, MPLS WAN, QoS, Route Maps, VTP, NT environment and 802.11 a/b/g/n Ethernet standards.

Confidential

Network Engineer

Responsibilities:

• Created and designed network layout as well as documented network system design with detail information using Visio.
• Performed IOS upgrades/Password recover on 2900, 3500 series Cisco Catalyst switches and 1800, 2600, 3600 series Cisco routers using TFTP.
• Responsible for Cisco ASA firewall administration across global networks and for check points.
• Implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, and Ether channel, STP, RSTP and MST.
• Configuring STP for switching loop prevention and VLANs for data and voice along with configuring port security for users connecting to the switches.
• Configured Cisco IOS Feature Set, NAT and Simple Network management protocol (SNMP) for Network security implementation.
• Involved in troubleshooting aspects of complex network infrastructure using routing protocols like EIGRP, OSPF and BGP.
• Implemented redundant load balancing technique with internet applications for switching and routing.
• Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
• Documented the company's design, implementation and troubleshooting procedures.
• Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Performed scheduled Virus checks and updates on all servers and desktops.
• Got Hands-on experience in maintaining and troubleshooting RIP, OSPF and EIGRP routing protocols.
• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Worked on network-based IT systems such as Racking, Stacking and Cabling.
• Designing and deploying solutions for frozen requirements using Cisco Routers and Switches for the network infrastructure to meet the requirements.
• Provided technical support on hardware and software related issues to remote production.
• Troubleshoot problems on a day to day basis and documented every issue to share it with design teams.
• Configured ASA 5525, 5540 and 5550 to ensure high-end security on the network with ACLs and Firewall.
• Worked on Nexus platform 7018, 5K series (5548, 5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC and OTV and successfully implemented VSS on the Cisco switches.
• Deployed catalyst switches 6500, 4508, 4500 and 3750 in the distribution and access layer.
• Implementing VoIP and hoc network with SIP Proxy Server and multiple Clients, capturing the Installed and maintained Wireless Access Points throughout the building.
• Configuring and managing layer-2 technologies like VLANs, STP, VTP & port-security.
• Provided technical assistance for LAN/WAN management & troubleshooting complex client issues.
• Used internal network monitoring tool (Solar Winds) to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.
• Implemented VLANS between different departments and connected them using trunk by keeping one VLAN under server mode and rest falling under client modes.
• Performed RIP, OSPF, EIGRP routing protocol administration.
• Worked with the data center planning groups, assisting with network capacity and high availability requirements.
• Monitoring of data flow and troubleshooting in wireless systems for multiple clients using the cisco ISE platform and also configuring a small wireless system for VOIP and wireless activity.
• Implementation and execution of new and/or upgraded networking systems through well-defined plans, procedures, documentation, deadlines and accountability.
• Provided complex internal analysis and support of the network and security infrastructure.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Involved in providing access to user machines and partners outside our network by SSL and IPSec VPN tunneling.
• Performance monitoring of various applications and web servers to maintain quality of service and network stability.

Environment: Catalyst Switches - 3750, 4500, 4508, 6500, Cisco Routers - 2600, 3600, 7613, Switches - 3750, 4500 and 6500 series and Cisco Firewall ASA 5585-X, Solar Winds, Checkpoint Firewall, Routing Protocols (EIGRP, OSPF, RIP), Switching protocols (VTP, STP, GLBP, HSRP)