SUMMARY

• 8 years of strong IT experience in Network Engineer, tasks such as day - to-day site monitoring and maintenance, infrastructure configuration, network design, network management, security, tier support of network, system installation, system backup and restoration, tuning, quality of service management, security implementation and application migration.
• Certified Amazon Web Services (Cloud) engineer with 2 years of experience in Cloud computing, Infrastructure Solutions and services, Datacenter virtualization and Database Services.
• Deep technical experience with architecture, design and hands-on diverse technology platforms including different Cloud Platforms (AWS/Azure), Virtualization, Database Technology
• Experience working with Cisco 6500, 4500, Nexus Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture
• Exposure and knowledge of IDS/IPS
• Performed various configurations using the CISCO SDM like configuring VPN, Security Audits, Firewalls, VLANS
• Extensive knowledge and hands-on experience with the latest version 13.3 of JunOS-Space
• Worked on Cisco ACE load balancers. Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Experience with Network Automation using Python
• Deep knowledge and hands on experience with CyberArc- Privilege Identity Management
• Knowledge and exposure to Avaya
• Implemented security policies using ACL, Firewall, IPSec, and VPN
• Experience working on Blue coat Proxy
• Implemented security policies using ACL, Firewall, IPSec, VPN, AAA Security TACACS+, and Radius on different series of routers.
• Experience in F5, Cisco ACE 4710 Load balancers
• Ability to manage all phases of network installation and administration.
• Experience with Solar Winds
• Experience with convert PIX rules over to the Cisco ASA solution.
• Responsible for Cisco ASA firewall administration across our global networks
• Design, implement, test, tuning of LAN/WAN, including Windows NT/2000/XP/2003.
• Install/Configure Cisco 2500, 2600, 2800, 3600, 7200, 7600 routers.
• Excellent skills to implement VLANS, private VLANS, Voice VLANS, Port security, STP and RSTP (802.1W), standard and extended access lists for managing access based security, creating root views for administrative privileges.
• Handled multi-Vendor / platform Security technologies including Firewall, IDS-IPS, VPN, Proxies
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Transition from IPv4 to IPv6, Multilayer Switching,Multicasting protocols,UDP, Fast Ethernet, Gigabit Ethernet, Voice/Data Integration techniques.
• Strong knowledge of Cisco and Juniper software (IOS/XR and JunOS) and hardware.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000
• Well organized, Self-starter, Quick learner, Self-Motivated, Team player with analytical, technical and communication skills.
• Experience with deployment of Palo Alto firewalls for different NAT, Skype traffic

TECHNICAL SKILLS

Operating Systems: Windows (Server 2003/2008, Vista, Windows 7), Linux OS

Routers: Cisco GSR12016, ASR1001, 2900, 3900, 7200, 7600 & ASR9000

Switches: Cisco 3750, 4500, 6500 series switches, Nexus 7010, 5548

Routing: MPLS, OSPF, EIGRP, BGP, RIP-2, PBR, IS-IS, Route Filtering, Redistribution, Summarization, Static Routing

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Multicast operations, Layer 3 Switches, Ether channels, Transparent Bridging.

Network security: Cisco (ASA, PIX) 5510, Palo Alto, Juniper, ACL, IPSEC VPN, GRE VPN, NAT/PAT, Filtering, Load Balancing, IDS/IPS.

Load Balancer: F5 Networks (Big-IP) LTM Module, Cisco ACE 30 load balancer

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

WAN: Leased lines 128k - 155Mb (PPP / HDLC), Channelized links (T1/DS3/OC3/OC12), Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing. Various Features & Services IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DNS, DHCP, CDP, TFTP and FTP Management

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Management: SNMP, Solar Winds, HP open view, and Wire shark

Languages: Python, Shell

Reports and Network Diagrams: Microsoft Office, Visio

PROFESSIONAL EXPERIENCE

Confidential, St. Louis, MO

Sr. Network Engineer

Responsibilities:

• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Experience in developing cloud strategies, roadmaps, architecting (hands-on) new cloud solutions end to end or enterprise level AWS/Azure migrations
• Designing and Deploying dynamically scalable, Highly available, fault tolerant and reliable applications on AWS
• Migrated complex, multi-tier applications on AWS
• Define and deploy monitoring, metrics and logging systems on AWS
• Migrating an existing on-premises applications on AWS
• Implementing and controlling the flow of data to and from AWS
• Picking the right AWS service for the application.
• Monitoring of Infrastructure with Nagios like Firewalls, Servers, Services, Network devices, applications, web portals etc.
• Resolution of tickets fresh & pending using Solar Winds for network management
• Selecting appropriate AWS service to design and deploy an application based on given requirements.
• Establish AWS technical credibility with customers and external parties
• Help customers build scalable, resilient, and high-performance applications and services on AWS
• Develop/capture/document architectural best practices for building systems on AWS
• Started deployingAWSfor Corporate infrastructure
• Experience with configuring Cisco 6500, 4500 series devices for data center environment
• Experience configuring Virtual Device Context in Nexus 7010.
• Automated network implementations and tasks and designed monitoring tools using python scripting
• Configured VLANs with tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Developed Visio Documentation to give complete picture of network design for each building.
• Communicating with engineers on operational issues, making recommendations to engineers about network architectures, performing complex problem solving during critical network outages.
• Experience with upgrading NX-OS to version 6.1 on the cisco Nexus 7010
• Configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4.
• Deploying and decommissioning of Cisco Routers, Cisco switches and their respective software upgrades
• Performing the Firewall ACL requests change for various clients by collecting source and destination details
• Working with Network Design and implementation teams on various projects across North America.
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
• Configured IPsec tunnels with Palo Alto to enable secure transport and cloud based/site-site VPN to AWS.
• Planned for the implementation of a new architecture at legacy Web Hosting Data Centers
• Experience with converting Cisco 6500 to Cisco Nexus in the data center environment.
• Experience working with Nexus 7010, 5020, 2148, 2248 devices.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.

Confidential, Palo Alto, CA

Network Engineer

Responsibilities:

• Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches to perform functions at the Access, Distribution, and Core layers.
• Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.
• Installation and deployment of new class 9X and class 10 Server farms in multiple silos.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Installed F5 LTM and GTM load balancer BIG IP series 6900, 8900
• Troubleshooting F5 load balancers for monitoring and log analyzing
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Automated network implementations and tasks and designed monitoring tools using python scripting
• Working with wireless technologies troubleshooting and configuration.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Work with Engineering on Server Farm refresh project on consolidation and increasing the bandwidth on Server Access silos
• Established on premise security Blue Coat Proxy for clients
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Migrated firewalls from ASA to Palo Alto networks
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Working with Juniper JUNOS on M and MX series routers.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Phase migration and deployment of Cisco ASA to Palo Alto
• Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Documenting Palo Alto firewall migration from Cisco ASA
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Configuring BGP, MPLS in Cisco IOS XR.
• Configuring multiple route reflectors within a cluster.
• Working on Solar Winds for Network Management System and Ticketing.
• Working on a broad range of topics such as routing and switching, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.
• Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter Vlan Routing, LAN security.

Confidential, Southlake, TX

Network Engineer

Responsibilities:

• Experience in troubleshooting of DNS, DHCP and other IP conflict problems
• Experience with scanning and sniffing tool Wire-shark
• Experience in working with security issue like applying ACL's, configuring NAT and VPN
• Experience with Checkpoint firewall configuration, deployment and documentation
• Provided back up and support for Cisco ASA to Checkpoint firewall migration
• Documenting and Log analyzing the Cisco PIX series firewall
• Providing daily network support and log analyzing for F5 LTM load balancers
• Worked on configuring F5 GTM load balancers for various client environments
• Configured BGP for CE to PE route advertisement inside the lab environment
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Provide Tier1 technical support; assist users facing network problems. Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures
• Network Migration from RIP to OSPF and EIGRP
• Troubleshoot and configured various issues with Juniper MX routers
• Configured Juniper SRX 3400 series gateway and security devices
• Configured 2600, 2900 and 3600 routers with RIP and EIGRP.
• Implemented VTP and Trunking protocols (like 802.1q and ISL) on cat 3560, 3750 and 4500 switches.
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Providing Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers.

Confidential

Network Support Engineer

Responsibilities:

• Upgrade Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations
• Support 24x7 operations and answer calls from the customers and resolve issues
• Install and manage Cisco Catalyst 3500XL & 2960 series Switches and Cisco 1800, 3900 routers
• Configure and deploy Cisco ASA firewall
• Hands on experience with configuring Juniper MX series routers
• Experience in support activities over Cisco ASA firewall rules and management
• Experience in deploying and configuring F5 LTM load balancer
• Hands on Experience in Inter-Vlan routing, redistribution, access-lists and dynamic NAT
• Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network
• Involved in all technical aspects of LAN and WAN projects including, short and long term planning, implementation, project management and operations support as required
• Conduct through analysis, problem solving, and infrastructure planning
• Provide assistance to Network Manager and serve as Secondary Network support.
• Troubleshoot and fix any backup and monitoring systems related issues in conjunction with Systems team and external vendors