PROFESSIONAL SUMMARY:

• 8+ years of professional experience with Cisco Certified Network Engineering, performing networking, configuring, troubleshooting, installing and maintaining of networking devices.
• Providing 24/7 quality assurance in network monitoring, optimization and fault management services in network operation center.
• Hands on experience in configuring and Deployment of Routers and Switches in network support.
• Experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Experience in Routing protocol configurations: OSPF, BGP, MPLS VPN, DMVPN, HSRP and EIGRP.
• Switching tasks include VTP, ISL/ 802.1q, IPsec and, VLANs, Ether Channel, Trunking, GRE Tunneling, Port Security, STP and RSTP.
• Proficiency in configuring the VLAN setup on various Cisco Switches.
• Communicating and escalating tickets with service providers for network outrage issues.
• Proposed upgrades, installed, and configured Solarwinds Log and Event Manager and Solarwinds Orion modules for network infrastructure monitoring.
• Knowledge of troubleshooting, implementation, testing and optimization of static and dynamic routing protocols such as EIGRP, OSPF, BGP, MPLS.
• Involved in good documentation practice of different stages of validation life cycle in compliance with21 CFR Part 11.
• Developed and deployed a dynamic multipoint VPN (DMVPN) network to distribute data across Europe.
• Moderate and contribute to the support forums (specific to Azure Networking, Azure Virtual Machines, Azure Active Directory, Azure Storage)
• Manage multiple resources from various internal teams to develop cloud solutions based on detailed workload requirements.
• Manage day - to-day operations and configuration of Check Point firewalls.
• Excellent working knowledge of TCP/IP protocol suite and OSI layers.
• Design, configuration, and support of Cisco Nexus Platforms (Nexus7K, 5K, 2K).
• Hands on experience in configuring Cisco ASA firewalls.
• Work with cisco partners to help set up and troubleshoot voice network issues.
• Experience in Layer 3 Routing Protocol configurations: OSPF, EGIRP, BGP, RIP and MPLS.
• Troubleshooting for Layer 2 LAN technologies but not limited to Ethernet (Switched, FastE, GigE), STP, RSTP, VLANs, Cables, Bridges, VTP, and Trunking (802.1q), port security, routing protocols and Aruba Wireless platform.
• Developed and successfully integrated Python scripts to automate SSH login and data collection for network devices not supporting Telnet.
• Propose updates, solutions, expansions, migrations, and new requirements as needed
• Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Performed IOS upgrades on Catalyst 2900, 3500, 4500 and 6500 series switch and Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
• Worked on Router series such as 2800, 2600, 2900, 3600, 3800 and 7200, switches such as Cisco 3725, 3560, 3550, 2960, 2950, 4500 & 6500.
• Worked on automating data loading, extraction and reports generation using UNIX Shell scripting.
• Manage all Citrix projects, build all components, support all environmental issues.
• Password recovery, upgrading of IOS of Cisco devices.
• Performed and managed internal, supplier audits, facilitated external customer and regulatory audits by FDA.
• Upgraded WAN connectivity between the multiple locations.
• Knowledge in IPV4, IPV6, RIP, EIGRP, OSPF, BGP, DHCP, DNS, SNMP, RMON, NAT.
• In-depth knowledge on Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS.
• Implemented enterprise McAfee ePOsolutions for enterprise security including Endpoint protection, encryption, DLP, and Application whitelisting(SolidCore) and many more products implementation phase.
• Hands-on experience with TCP/IP, LANs, WANs, and WLANs (Wi-Fi)
• Deployed Cisco Wireless LAN Controller (WLC) 5520, created SSIDsfor the shows, mapped VLANs to SSID's and linked AP's with WLC.
• Good knowledge of Tunneling Protocols (IPSEC/GRE).
• Understanding the requirements of the client to deploy an efficient network.
• Proficient in MS Windows, MS/Open Office, MS Project.
• Dealt with monitoring tools like (Solar winds, Cisco prime), network packets capture tools like Wire-shark.
• Work closely with business in collecting all telecom requirements, which included IVR (Interactive voice response), voice mail, DID/extensions, call forwarding, call accounting etc.
• Interviewed customers by telephone to identify legal issues, and obtain and process the information, worked with customers in all stages of the Child Support process.
• Possess strong network troubleshooting and communication skills.

TECHNICAL SKILLS:

Cisco Routers: 2600, 2800, 2900, 3600, 3700, 3800, 3900, 4400, 7200

Cisco Switches: 2900, 3500, 3600, 3750, 4500, 4900, 6500, ASR9k

Nexus: 2k, 5k, 7k

Juniper: M320, T640

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, interVLAN routing, VLAN, VTP, STP, RSTP

WAN Technologies: HDLS, MPLS, Channelized links, Frame relay, HDCL, DS3, OC192, Fiber Optic Circuits, Frame

Routing Protocols: EIGRP, OSPF, BGP, Route Filtering, Route redistribution, static Routing, Summarization

Switching: VLANs, VTP, STP, RSTP, PVST, MSTP, VDC, VPC, inter-VLAN switching, multicast, Port security, Ether-Channels, SNMPV3

VOIP Devices: Cisco IP phones, Avaya

Voice Technologies: QoS, Computer Telephony Integration (CTI), VoIP, PoE, SIP, MGCP, RTP

VPN Technologies: GRE Tunneling, Site-to-Site VPN, SSL VPN

Network Security: Cisco ASA Firewalls, Check, SSL, Access Control, SonicWall, Palo Alto Firewall, F5 Load Balancer.

Monitoring Tools: Solar winds, Voyence, Packet tracer Ethereal, Wireshark, Openview, Dashboard and GNS3

Servers: Domain servers, WINS servers, FTP servers, DNS servers, Proxy servers, Application servers

Operating Systems: Windows XP/Vista/7/8/10, Nexus OS, Cisco IOS, LINUX, Macintosh, Activate Directory.

Hardware: Dell, Cisco, IBM, SonicWall Applications

Programming languages: python, shell script, C

Virtual Technology: VMware, Citrix

Microsoft office: Excel, PowerPoint, Word, Visio, office 365

PROFESSIONAL EXPERIENCE

Confidential, Houston, Texas

Sr. Network Engineer / Operations

Responsibilities:

• Contributed to Network Device installation and Integration.
• On call support for global BHP petroleum network and handling Priority tickets.
• Drilling rig site routers configuration.
• Configuring devices in data center based on the request. (Stream, Cyrus one west, Cyrus one Galleria, Four Oaks Place)
• Configured and deployed Switches and Routers in migration projects, SCADA etc.,
• Network IP address design and optimization using IP Plan tool maintenance.
• Network optimization and QoS design and implementation for Cisco Switches and Routers for all platforms.
• Configuration of IP phones, Polycom conference phones, voice mails, creating user account logins for phones in CUCM and CUE.
• Configured BGP routes to enable Express Route connections between on premise data centers and Azure cloud.
• Working using GNS3 application for creating a virtual network and also to test the network in all possible ways for a efficient work flow projects.
• Assisted working in updating wireless Access Point IOS and their certification.
• Designed a new voice project for the Rigs which are experiencing issues with Cisco IP phones using Policy based routing(PBR) creating a separate track for voice and IP Sla - ICMP (Next-Hop) to check the status of the particular track and given QoS to the following traffic over VSAT.
• Manage and troubleshoot Wireless network.
• Trouble shooting complex Routing and Switching problems and escalated incidents.
• LAN, WAN, BAN configuration in MPLS environment
• To lead Network monitoring and complex troubleshooting activities over supported network/IT Infrastructure covering multi-vendor and multi-site large enterprise environment.
• Lead all critical P1/P2 incidents reported by business and Collaborate with other technical SMEs on all incidents affecting production systems.
• Measure, report and Maintain all service delivery KPIs / SLA as defined in the service contract.
• Analyze data relationships and dependencies, business and service delivery processes and communication needs regarding existing and new systems
• To raise equipment Return Material Authorizations (RMA’s) and to track these through to problem resolution
• SME and technical manager for current UCCX to UCCE Call Center Migration.
• Follow up on problem management and investigate workarounds and permanent fixes for reoccurring incidents
• Executes activities safely in accordance with the relevant Technology and HSE Standards.
• Reports events and hazards in a timely and accurate manner.

Environment: Cisco 2960/3750/4500/3500/2960 switches and Cisco 2911/3845/3600/2900 routers, Nexus 5k,7k, EGRP, Riverbed Steelhead, Cisco IP Phones, VSAT, Wireless Controllers and access points, Security Firewalls 5500 series.

Confidential, Dresser, Wisconsin

Lead Network Engineer

Responsibilities:

• Gathering requirements from Business and implementing Change orders in Confidential Region network infrastructure.
• Investigating existing setup and identifying changes that could satisfy business requirements and implement them.
• Worked on Cisco Layer 2 switches (spanning tree, VLAN)
• Implemented Site-to-Site VPNs over the internet by Dell Sonicwall Firewalls
• Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network& also worked on BGP Route Reflectors
• Configured and designed LAN networks with Access layer switches such as Cisco 2960 switches.
• Setup Azure Virtual Appliances (VMs) to meet security requirements as software based appliance functions (firewall, WAN optimization and intrusion detections).
• design, installation, maintenance, and support for telecommunications platforms, including Cisco VOIP CUCM, UCCX, Unity Connection, Meeting Place, Tandberg TMS and VCS systems, MediaSense and Calabrio recording solutions and UCCE.
• Monitoring all the clusters health that are in Windows Azure environment and initiate the recovery action for the degraded/dead clusters which fall under threshold limit.
• Configured multiple VLANS for different equipment’s and other devices in the environment (Legacy machines, PC’s, Printers, guest and others)
• Working on routing protocols like BGP, RIP and EIGRP
• Prepare network documentation such as Networkdiagrams, updating SOPs and updating all documents with relevant changes and uploading it into shared Netinfo Inventory.
• Configuring routing neighborship with partners and controlling routing updates with Filter lists for security
• Citrix Netscaler 9000 Load balancer and Gateway configuration, administration and troubleshooting. Have good experience working NS11.0 versions
• Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
• Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
• Used QoS, NAC, NAT, CAC in classifications in order to provide the efficient work flow.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cablesin the Patch Panel.
• Implemented HSRP on the Cisco 2960 Layer 3 switches and EIGRP, OSPF on 4 Cisco 3850
• Provide Remote support for Windows Servers.
• Other responsibilities included documentation and supporting other teams.
• Technology Used: Routing, Switching, Firewalls, VPN Tunnels, GRE, STP, HSRP, SNMP, VLANS, BGP, Natting

Environment: Cisco2960,3600,3500 switches and Cisco 3850/3650/2800 routers, HP Switches, Checkpoint, SonicWall Firewall, Aerohive, Hive Manager, OSPF, BGP, VLAN, HSRP, LAN, WAN, GRE, IPV4.

Confidential, Houston, Texas

Network Engineer

Responsibilities:

• Project oriented role in Data Center infrastructure with migration, implementation, deployment and design
• Done Bandwidth Upgrading for remote sites, Implemented multiple Wireless Access Points.
• Administration and operational experience Fabric Path, OTV and FCoE on Cisco Nexus 7k.
• Troubleshooting of protocol based policies on Palo Alto Firewalls and changing the policies as per the requirement and as per traffic flow.
• Deployment of Palo Alto firewall into the network. Configured and wrote Access-list policies on protocol based services.
• Supported operationally Cisco Unified Communications and Unity Connection globally (20 UnifiedCommunication Clusters and 40 Unity Connection Pods)
• Performed system validation, testing and test automation development in Telecom/Datacom and client/ server technologies.
• Initiate and maintain productive relationship with consortium representatives, California Department of Health Services, and California Health Care Exchange representatives.
• Used QoS, NAC, NAT, CAC in classifications in order to provide the efficient work flow.
• Migration of network devices (F5, Juniper, Aruba, Riverbed, Routers& switches) from one zone to other. Changing the management IP address.
• Analyzed current cloud services market dynamics and augmented existing Cloud Services, Cloud Infrastructure Planning and Design and also for Cloud Services.
• Troubleshooting and management of the Cisco Voice Solution, Installation and support of Voice circuits(VoIP).
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• Upgraded load balancers from Radware to F5 BigIPv9 which improved functionality and scalability in the enterprise.
• Configure and Manage site-to-site IPSEC VPN with different partners. Troubleshoot remote access services like Citrix Netscaler, Cisco VPN clients and for the users to access their enterprise network
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Deploying and decommissioning the VLANs on core ASR 9K,5K and its downstream devices.
• Implemented Nexus 7K/5K/2K and Catalyst 6500/4900/3750-X in a complex DC Core/Aggregation/Access layer on a 10G backbone in Production and DR Data Center
• Used load balancers ACE and Load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
• Performed troubleshooting, fixed and deployed many Python bug fixes.
• Troubleshooting for Layer 2 LAN technologies but not limited to Ethernet (Switched, FastE, and GigE), Spanning-Tree, VLANs, VTP, and Trunking (802.1q). Deliver installation of wireless networking infrastructure
• Work with Load Balancing team to build connectivity to production and disaster recoveryservers through F5 Big IP LTM load balancers.
• Configuration and troubleshooting of Nexus 7010, 5020, 2248 devices.
• Installed and testedCisco router and switching operations using OSPF routing protocol and MPLS switching for stable VPNs.
• Hardware used in DMVPN are Cisco 2691 and 3725 routers for Multiple IPSec Pass- through is only supported on Cisco IOS software releases.
• Optimized performance of the WANnetworkconsisting of Cisco 3550, 3750, 4500, 6500 switches by configuring VLANs.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Performed IOS upgrades on Catalyst 2900, 3500, 4500 series switches and 2500, 2600, 3600, 7200 series routers.
• ExtraHop Open Data Stream for ELK to Stream data with Open Data Stream (ODS) for Syslog to Logstash where it is filtered and parsed into an Elastic search-compatible format

Environment: Cisco Switches 2900/3500/3550/4500/3750/6500 series and Cisco Routers 7200/ 3600/ 3800/ 2600/ 2800 series, Nexus 5K/7K series, Cisco Voice, VoIP, SIP, Palo Alto Firewalls, Cisco ASA 5500, Check Points R61/ R65/ R70/ R75/ R77, DMVPN, F5 Load balancer, VLAN, WAN, STP, RIP, OSPF, BGP, EIGRP, LAN, VPN and HSRP.

Confidential, Reston, VA

Network Engineer

Responsibilities:

• Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per NetworkDesign Involved in the redistribution into OSPF on the core
• Troubleshooting LAN connectivity and hardware issues in the network as per the company requirements.
• Performed IOS upgrades 2500, 2800, 3600, 3800, 7200 series routers with HSRP.
• Configured routers using routing protocols such as RIP, OSPF and BGP.
• Installed FireEyetools to provide network security, end point security, detecting threats and preventing from threats.
• Coordinated with various telecom carries to troubleshoot and fix network issues and with onsite/colocations technicians to build, install and connect routers, switches and terminal servers.
• Design, implementation and troubleshooting (disaster recovery) of the LAN IP infrastructure using Layer 2 / Layer 3 switching, STP, Gigabit Ethernet and Trunking / channeling technologies.
• Troubleshooting of protocol based policies on Palo Alto firewalls and changing the policies as per the requirement and as per traffic flow.
• Configuring, Managing and Maintaining Networking Equipment's such as Nexus 5000, 7000, Catalyst 6500.
• Performed migration project involving migration of edge routers cisco 7600 to Juniper MX 240 and MX 480 as a part of data center edge routers migration.
• Worked in configuring and troubleshooting switching and routing protocols on Juniper EX series switches.
• Configured STP for loop prevention on Cisco Switches.
• Managed Core network upgrade, Unified Communications & Identity Services Engine (ISE) deployment.
• Configured and maintained BIG IP F5 load balancers LTM 1600 for load balancing and application redundancy.
• Providing Network Support in the designing and implementation of P2P over T1s Frame Relay, IP over Frame Relay.
• Implemented Cisco and Aruba Wireless Controllers, Aruba Wireless Access Points at corporate site as a part of WLAN Infrastructure.
• Worked with senior network engineers for multiple site upgrades comprising of data and VOIP equipment's and also in re-configuring the new devices, as well as making sure projects are done under defined timelines.
• Design OSPF Areas for reliable Access Distribution and for Core IP Routing.
• Security policy review and configuration in Palo Alto.
• Configured security features such as IPSEC VPN, TLS and SSL.
• Configured Cisco ISEfor Domain Integration and Active Directory Integration.
• Analyzed and monitored incident management and incident resolution problems using Splunk.
• Working as a VOIP Implementer in Migrating/Deploying new voice infrastructure in Cisco.
• Involved in domain management and SSL certificate for website.
• Hands on experience on Juniper EX switches: EX2200, EX2500, EX3200 and EX4200 Series.
• Technical Support for fault diagnosis, analysis & rectification of LAN & WAN networks.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Understand requirements of the client to deploy an efficient network.

Environment: Cisco switches and Cisco routers, Nexus: 2000, 5000, 7000 series switches, ASR9000, Redundancy Protocols: LAN, WAN, HSRP,VLAN, STP, VTP, RSTP, PVST, NAT, PAT, ACL, Route-maps, Routing Protocols: EIGRP, OSPF, BGP, F5, RIP, Syslog-NG, Load balancers, SSL, TLS.

Confidential

Jr. Network Engineer

Responsibilities:

• Responsible for support of network devices including switches, routers wireless access points, file servers.
• Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches. Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.
• Installation and configuration of various Routers like 800, 1600, 2500, 2600 and configuration of various Cisco switches like 2960, 3560.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Implemented VLANs, Trunk groups, ether channels, and Spanning tree for creating Access/ distribution and core layer switching architecture
• Responsible for troubleshooting complex problems related to the Internet and network interface cards.
• Managed performance, scheduling and career development for team of 15 network engineers.
• Applied "outside the box" procedures to recover a large volume of lost data needed for the next morning, made hard decisions to achieve goal resulting in great press for the Data Center.
• Received trouble tickets and solved tactical satellite systems related problems of at least two hundred end users.
• Implemented L2 security to protect from internal attacks
• Sound knowledge in routing protocols like Rip, EIGRP, OSPF in IPv4 & IPv6.
• Backup Paths for the packet prioritization and EIGRP tuning.
• Implemented and configured IP Routing Protocols: RIPv2, BGP.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP and RSTP, MSTP, LACP.
• Switching related tasks included implementing VLANS, VTP, RSTP and Port security.
• Configure and Troubleshoot Spanning Tree protocol in the Switching Network.
• Troubleshoot and repair of local area network outages using Fluke Optiview, Telnet, Sniffer, Ping, Trace Route and Internet Technologies
• Experience on designing and troubleshooting of complex BGP and OSPF routing problems
• Implemented a full service helpdesk solution for tracking and managing all end-users' help requests.
• Resolved many cable failures, thefts and damages of ranging scope in number of affected customers, cable sizes, and duration to resolve. This required applying project management, inter-department coordination skills.
• Developed a safety and fire prevention program and ensuring the work environment in compliance with all safety regulations.
• Worked with IT groups to develop, evaluate and support new Network Management tools.
• Supported MACs (Move/Add/Changes) in both existing and new network.
• Provide project status reports to upper management

Environment: Switches, Routers, Maintenance, L2, EGIRP, OSPF, BGP, LAN, WAN, VLANs.