Network Engineer Resume
NC
PROFESSIONAL SUMMARY:
- CCNP Certified Professional with 8 years of experience in routing, switching, firewall technologies, system design, implementation, troubleshooting of complex network systems, enterprise network security, wireless design, data network design, capacity management and network growth.
- Exposure to LAN/WAN setup, installation, configuration and troubleshooting on Cisco Routers, Cisco Switches, Nexus Switches, Firewall, Proxy, VPN Concentrator.
- Experience installing, configuring and troubleshooting Catalyst (2900, 3500, 3700 and 6500 Series), Nexus (5000, 2000 Series) Switches, and Routers (ASR 9K, 10K,2800, 3600, 4400, 7200 Series) using CLI and GUI.
- Experience configuring and troubleshooting OSPF, EIGRP, BGP, RIP, VLAN’s, Trunking, VTP, STP, PVST, RSTP, HSRP,802.1q, and Ether - channels.
- Worked on Palo Alto firewall and used panorama for centralized control of all the firewalls.
- Good knowledge of OSI Model and TCP/IP networking standards with protocols such as SNMP, FTP, ICMP and IPv6.
- Network security including NAT/PAT, ACL, HTTPS, Web Proxy, LDAP, VPN Concentrator, ASA/PIX Firewalls, Cisco IDS/IPS, AAA, Radius, TACAACS+, IPsec/SSL VPN and L4 - L7 protocol.
- Strong work experience with the following technologies MPLS, Q0S, VPN, WLAN and Multicast.
- Hands on experience working on Airmagnet Spectrum XT analyser in identifying RF interfaces impacting Wifi networks.
- Expert in Data Center Technologies such as VPC, VDC, VSS, STP, FCoE, OTV & FabricPath
- Tested wireless signal strength at various locations of the hospital campuses using Airmagnet .
- Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
- Perform … wireless site survey using Airmagnet suite of tools that included wireless survey pro and spectrum analysis.
- Perform active and passive WLAN surveysusing Airmagnet and Cognio spectrum analyser tools.
- Performed deep packet analysis to troubleshoot application issues using tools like Wire-shark.
- Experience with Cisco ISE and Cisco controllers and WAP
- Experience in installing, configuring and troubleshooting of Checkpoint Firewall and Juniper SSG series.
- Experience with F5 load balancers LTM, GTM series like 6400, 6800, 8800 for the corporate applications.
- Extensive understanding and knowledge using load balancers like F5, Citrix NetScaler Load Balancer and Cisco CSM
- Experience securing and managing remote access using various VPN technologies like IPSec, SSL, and GRE.
- Configured Client-to-Site VPN using SSL Client on Cisco ASA 5520 ver8.2.5re
- Knowledge of VoIP, Cisco Unified Communications Manager (CUCME).
- Knowledge on VxLAN and/or Application Centric Infrastructure (ACI).
- Worked with Infoblox for secure DNS, DHCP and IPAM, Cisco ACE GSS 4400 series global site selector appliance
- Deployment and Management of Bluecoat proxies in forward proxy scenario as well as for security in reverse proxy scenario.
- Intermediate level understanding of Juniper JUNOS, M series router and SRX firewalls.
- Working knowledge of network monitoring/management tools like Wireshark, TCPdump, Cisco Prime, Net Flow, PRGT, Solar Winds.
- Experience in diverse IT disciplines, including networking, technical support, programming, operating systems and system administration.
- worked on leading research and engineering team on rapid prototyping next generation cloud computing and software defined networking (SDN) products and services
- Strong documentation and diagraming skills
- Hands-on experience in the setup of HSRP, ACL, and tunnel installations.
- Enhanced level of knowledge with IGRP, PPP, ATM, and T1/T3 Frame-Relay.
- Working knowledge of Change Management Process and Trouble Ticket Escalation and ITIL Framework.
- Hands on experience to work with Linux Server, Vblock Server, UCS and VMware Server.
- Experience with Change management process and Project documentation tools like Excel and VISIO.
- Finely tuned analytical/critical thinking and debugging skills with excellent verbal and written communication skills.
TECHNICAL SKILLS:
Cisco Routers: 2800, 3600, 4400, 7200
Cisco Switches: 2900, 3500, 3700, 5000, 6500
Nexus Switches: 5500, 5000, 2000
Other Hardware: F5 BIG-IP LTM Load Balancer, 7960 IP Phone
Networking: TCP/IP, UDP, ICMP, LAN, WAN, DHCP, DNS, FTP, TFTP, SNMP, ARP
Other Protocols: HSRP, GLBP, VRRP, QoS/CoS, VoIP, IPv4, IPv6, IP SLA
Security: ACL, NAT/PAT, ASA (5505, 5510) Firewall,
Load Balancer: F5 Networks (Big-IP) LTM 6400, 1600
Firewalls: Cisco ASA 5520, 5550, 5540, Juniper SRX 240, 5400, 5600, 5800, Juniper, 6500, 5400 Palo Alto PA-3060/2050, Check point Firewalls R75, R76 and R77.
LAN: Ethernet, Fast Ethernet, Gigabit Ethernet
WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay.
Routing: EIGRP, OSPF, RIP, BGP, MPLS, PPP
Switching: VLAN, VTP, STP/RSTP, Ether-Channel (PAgP, LACP), CEF
Operating Systems: Win XP, Win 7, Win 8, Win Server 2003, working knowledge of Mac OS X
Applications: Wireshark, PRTG, VMware, MS Visio, MS Office,
PROFESSIONAL EXPERIENCE:
Confidential
Network Engineer, NC
Responsibilities:
- Preformed IOS upgrades on cisco routers and switches.
- Worked on a migration project, from checkpoint to Juniper firewall devices.
- Expert level of understanding on OSI model layer.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco ASA's 5585.
- Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
- Implementation of Access Lists for allowing/blocking desired traffic.
- Packet capturing, troubleshooting on network problems, identifying and fixing problems.
- Experience working in Datacenters environment, configuration changes as per the needs of company.
- Design network system architecture and implement the prototype of the system using SDN
- 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
- Experience in migration of VLANS.
- Design, build, standardize, and deploy new Data Center for multi-tenant / Cloud environment. This includes Nexus 7000/5000 and Cisco 3750/3850 series switches, ASR and CSRv routers, ASA / ASAv Firewalls and Cisco Identity Services Engine (ISE)
- Design, install, configure, troubleshoot and maintain varies load balancers including Citrix NetScaler, F5 BIG IP, Riverbed STM.
- Experience worked on VM Ware,
- Migration of application, server, service groups from Citrix NetScaler to F5.
- Involved in IP addresses allocation for all the networking devices including switches, routers, firewalls and F5 load balancers through DNS entry using Infoblox.
- Monitoring IP address blocks, Address inventory, DHCP scopes for the inside network infrastructure through IPAM Infoblox.
- Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning DHCP profiles
- Installed and configured storage VMware and worked Flex team for Configuring and installing Dell Power Connect switch 5548 and increasing their Bandwidth Usage.
- DDoS remediation using SDN techniques
- Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls
- Configuring objects such as Load Balancer pools for local traffic management on F5 Load Balancers
- Configuring VLANs/routing/NATing with the firewalls as per the network design.
- Experience in establishing NIC bonding/ teaming, IP aliasing.
Confidential
Network Engineer, NC
Responsibilities:
- Configuration 7500, 7200 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA 5500 Firewalls, and MPLS switching for stable VPNs.
- Configuring new cisco switches in data centers WS-C 3560 (24ps & 48ps) as the part of migration plan.
- Experience working with Nexus 5K, 2K devices.
- Experience with configuration of Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5ks.
- Adept knowledge in preparing Networking topologies, and technical documentation by using Microsoft Visio/Office.
- Hands on experience worked on Windows active directory.
- Hands on experience on monitoring tools HPNA, MMT.
- Worked with Motorola WiNG, ADSP, Cisco WCS, AirMagnet Survey Pro, Cisco switches and routers of various models.
- Perform Wireless Network surveys at customer locations either active or passive.
- Configure and troubleshoot VoIP via Cisco Call Manager/ Unified Communications
- Survey with Air Magnet site survey tools
- Working experience on ticketing tools, Device pro2, PAC 2000.
- Used AirMagnet Survey Pro and Cisco Spectrum Analyzer on almost daily basis.
- Install and configure L3 cisco switches like 4500, 3750, 3560 and L2 switch 2960 as per the requirements.
- Provisioning, installing, and ordering new circuits to new and existing sites.
- Long -standing professional customer relationship by providing adequate support to meet their expectations.
- Hands on experience working with Wireless LAN controller (WLC), and upgradation.
- Experience with F5 technologies (LTM, GTM, V9, V10 and V11).
- Manage Cisco ISE Deployments for various customers
- Managed the F5 Big IP backup and VIP creation.
- Involved in migrating applications from NetScaler to F5 Big - IP environment
- Deploying load balancing and failover solution with firewall and L3 switches
- Proactively monitor and manage all productions network systems to maximize system availability in Citrix NetScaler
- Configured address objects and service objects on Palo Alto PA 2050.
- Experience deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application.
- Commissioning & decommissioning, configuring, URL and Web filtering, SSL Certificates, monitoring, SNMP traps, logging, blocking on Palo Alto PA-3060, migrating from one network to other.
- Configured and maintained IPSEC and SSL VPN on Checkpoint Firewalls.
- Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall
- Configuring firewalls for site to site tunnels, any-connect VPN, zoning.
- Document LAN/WAN infrastructure, such as network topology, subnets, firewall and router configurations, and other systems deemed to be critical.
- Add/modify rules in firewall as per application team requirement.
- Good knowledge of Checkpoint firewall technologies.
- Experience with Checkpoint Firewall R61 version
- Handle & troubleshooting Spanning tree related issues.
Confidential, Cincinnati, OH
Network Engineer
Responsibilities:
- Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP.
- Implementation of Wireless access points to newly opened branches and existing branches.
- Building new Verizon branch data networks of various sizes from small to large sites
- Implementation of Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
- Decommissioning and consolidating existing branch networks and connect network sites to the Internal MPLS cloud.
- Managed and deployed Cisco PIX and ASA firewalls
- Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
- Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
- Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, VxLAN, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
- Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
- Configuring Quality of Service best practices for several types and sizes of branches across the enterprise network.
- Checking and configuring Cisco 7600 and 7200 routers at data center for remote sites’ issues.
- Work with Verizon Wirelessdata network architecture to track IPs, isolate host location, and import data into IPC tool.
- Working closely with Data center management to analyze the data center sites for cabling requirements of various network equipment.
- Proficient with Cisco ASA 5500 firewall in multi-context, clustering and Active/Standby failover environment.
- Installed Cisco WAAS device 4451-X for acceleration of TCP-based applications, and Cisco's Wide Area File Services (WAFS) in a single appliance and to preserve and strengthening branch security.
- Installs, configures and maintains Juniper EX series switches and SRX, MX, and M series routers.
- Reduced the number of managed devices from 120 to 15 by implementing Virtual Chassis technology using Juniper EX4200 switches.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 and Radware for the corporate applications and their availability.
- Worked with ASA Firewall configuration and Participated in Migration of PIX to ASA for hardware devices.
- Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
- Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, Checkpoint, IDS/IPS and Juniper Netscreen firewalls.
- Responsible for Checkpoint firewall management and operations across our global networks.
- Work on IPv4, IPv6 addressing schemes and management for Devices.
- Mapped, Network Diagrams and physical identification in MS Visio.
- Updated documentation as necessary.
- Preformed IOS upgrades on cisco routers and switches
- Worked with engineering team to resolve tickets and troubleshoot L3/L2 problems efficiently.
- Configured Cisco 2800, 3800 routers and 3750, 4500, 6500 switches as part of the implementation plan.
- Propose network redesign based on client hardware guidelines, network policies and individual site’s unique characteristics.
Confidential, Kansas city, MO
Network Engineer
Responsibilities:
- Managing and supporting large scale MPLS & Frame relay on Cisco & Juniper environment for more than 5000 Retail sites, 100 Distribution centers, 100 offices and 3 datacenters.
- Installed and configured Cisco 2600, 2800, 3600, 3800 routers and 2950, 3700, 6500 switches.
- Maintained and managed networks running OSPF and BGP routing protocols.
- Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.
- Daily monitoring of network traffic using sniffers (Wireshark) and access logs to troubleshoot and identify network issues.
- Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000
- Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.
- Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers with Site-Site VPN, and firewalls for Supervalu Retail sites.
- Performed switching technology administration including VLANs, inter-VLAN routing, trunking, port aggregation
- Route redistribution and route update manipulation using route-maps; distribute lists and AD manipulation and link negotiation.
- Performed basic security audit for routers and firewall, identifying missing ACL’s, configuration of standard and extended ACLs for Security.
- Creating ACL policies for Cisco 5580 ASA firewall with access control to NAT and object grouping functions.
- Configured and supported Cisco firewall PIX 500 series.
- Preformed wireless remediation efforts to assess and resolve performance
- Configured and deployed WAAS at branch offices.
- Assist in determining network hardware, bandwidth, and SIP trunk needs.
- Used network monitoring tools to ensure network connectivity and protocol analysis tools to assess and pinpoint networking issues causing service disruption.
- Extensively used TCP/IP tool like TELNET for remote login to the routers and SSH for secure login.
- Deploying VoIP phones and providing access to voice and data traffic with QoS policies
- Worked with Radius and TACAACS+
Confidential
Network Engineer
Responsibilities:
- Day to day network troubleshooting at the Alcatel lucent area network.
- Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in a complex data center environment
- Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in core network.
- Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network / security infrastructure.
- Supported Data Center migration and consolidation project. Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, Cisco ASA, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
- Deployed Riverbed WAN optimizers and F5 load balancers.
- Configured vPC, FEX and VDC’s on Nexus 5K.
- Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
- Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
- Configuring Voice VLANS with respect to Cisco VOIP phones 7940, 7960.
- Work with 3rd party vendors and application owners to migrate site to site VPN’s to new datacenter.
- Configure, deploy and troubleshoot 4400 wireless controllers and 1200 LWAPP’s.
- Establishing VPN Tunnels using IPSec encryption standards and configuring and implementing site-to-site VPN, Remote VPN.
- Worked on the security levels with RADIUS, TACACS+.
- Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
- Setup Access list and configured Firewall.
- Primary responsibility is to design and deploy various network security & High Availability products like Checkpoint NGX, Provider-I, Nokia appliance, Cisco ASA other security products
- Experience with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL.
- Monitor network health using tools like eHealth, Cisco Prime, Spectrum and recommend optimization solutions.
- Create BOM’s and network implementation plans.
- Configured Nexus 5K, 7K, Cisco 3900, ASR 1K routers and 2960, 3750, 6500 switches as part of the day to day activities.
- Map out existing network and forthcoming changes in Visio as part of the quarterly network audit process.
Confidential
Network Engineer
Responsibilities:
- Configured and troubleshooting HSRP, BGP, OSPF, EIGRP, MPLS WAN, QoS and Route Maps.
- Configured and maintaining Cisco 7200, 4400, 5000 and 6500 platforms.
- Troubleshoot connectivity issues involving VLAN’s, OSPF, QoS etc.
- Support, monitor and manage the IP network.
- Performance monitoring of various 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, VLAN tables and Switchport assignments, Trunking and Ether-channel implementation.
- Planned, deployed and maintained wireless and wired LAN network using Cisco 3600 routers, 2960, 3500 switches, and 7960 IP Phones.
- Designed IP addressing schemes, VLAN’s, subnetting and trunking to meet requirements.
- Preformed installation, cabling and cable testing.
- Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
- Installed and set up Cisco routers and switches per 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 and troubleshooting.
- Implemented QoS for Voice traffic.
- Planned and executed the migration from PSTN to IP Telephony, CUCME and 7960 IP Phones.
- Designed and implemented IT security policies and networked backup systems.
- Documented and maintained technical diagrams, documented logical and physical topology, and other IT procedures.
- Reviewed, approved, procured various IT hardware and software products to fulfill strategic and operational needs of various departments.
- Worked with management and various departments to develop procedures and troubleshoot problems as they arose.
- Managed Windows Server 2003, Exchange Server and Active Directory.
- Created account groups and managed group members.
- 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.
- Worked with vendors and Engineering team to test new hardware and procedures.
- Prepared and maintained documentation using MS Visio.