Cisco Network Engineer Resume
Chicago, IL
SUMMARY
- Network Engineer with 8 years of experience in the industry, which includes expertise in the areas of routing and Switching
- Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.
- Implementation traffic filters on Cisco routes using Standard, extended Access list.
- Experience with devices Palo Alto Network firewalls such as security NAT, Threat prevention & URL filtering
- In - depth understanding ofIPV4, IP Subnetting, VLSM and ARP, Ping Concepts.
- Experience in Designing and implementing Cisco UCS.
- Worked on BIG-IP F5 load balancer
- Worked on DNS and DHCP nominum servers.
- ExperiencewithCitrixNetscaler,F5GTMLoadbalancer
- Involved in setting up newCitrixNetscalerSDX 15000
- ConfigureF5LTM>Mto provide Load Balancing for VIPs and Pools
- F5LTMandGTMvirtualizationexperience
- Experience with Load Balancers for administrating and monitoring global & local traffic.
- Web filtering/proxy: Sophos Secure Web Gateway, Cisco Ironport Web Appliance. hands-on experience in network design, installation, configuration, administration and troubleshooting LAN/WAN infrastructure and security using Cisco routers/Switches/ASA/Checkpoint firewall
- Expert Level Knowledge about TCP/IP and OSI models.
- Hand on experience on dealing with Network Security Compliance issues and PCI compliance issues.
- Experience with system administration of CiscoWorks Suite, SolarWinds Enterprise Suite, Riverbed Steelhead, NGeniusNetScout, HP OpenView (windows), Microsoft office Suite: Excel, Word, Visio, PowerPoint, etc.
- Experience in Linux/Unix.
- Worked on JUNOS platform and worked with IOS upgrade of Juniper devices
- In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
- Configured and deployLTMfor application such as Exchange, 2010, 2013, SharePoint, VMview,
- Experience using Cisco ASR 1K,9K series switches.
- In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
- Implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
- Worked on Riverbed devices for WAN bandwidth Optimization in the data centers for the sensitive market data applications
- Experience in Configuration and Support ofLAN protocols on Cisco Switches such as (Layer2, Layer3 and Multi-Layer)
- Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Technical Knowledge on Cisco ASA 5500 series Routers.
- Excellent communication skills to interact with team members and support personnel and also can act as a mentor to less experienced personnel.
- A highly organized individual who adopts a systematic approach to problem solving, effectively analyzes results and implements solutions
- Strong understanding of the Global Traffic Manager and iQuery functionality betweenLTM>Mfor a HA design
- Dual stack IPv6 implementation to Global Datacenters and WAN endpoints to meet the needs of our customers’ development requirements and testing.
TECHNICAL SKILLS
LAN Technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet Networks, VLANS, Inter-VLAN Routing, VTP, STP, PVST, RSTP and 802.1w.
WAN Technologies: Frame Relay, ISDN, PPP, leased lines and exposure to PPP, DS1, DS3, OC3, OC12, OC 48, T1/T3 and E1/E3, MPLS (LDP, L3VPN, VRF, MPBGP).
Network Security: ACL, NAT/PAT, Route maps, IDS/IPS, IPSec, Kiwi Syslog Server Logging, Internet Content Filtering, VPN configuration, ACE Module and F5 Load Balancers.
Protocols/Services: TCP/IP, UDP, Routing Protocols (RIP, EIGRP, OSPF, BGP), Redundancy (HSRP, VRRP, GLBP), SIP, CDP.RIP, OSPF, EIGRP, ISIS, BGP, MPLS, DNS and DHCP
Network Management Tools: Solar Winds, Cisco 2000, HP Open View NNM, Wireshark, IXIA, RADCOM, Packet Sniffer, Packet Analyzer.
OS products/services: DNS, DHCP, UNIX, LINUX, MAC OS X, Microsoft SQL Server 2008, Windows Server 2003, 2008, Windows 7/NT/Vista/XP, VMware, Active Directory, IIS.
Office applications: MS-Office, MS-Visio, iWork.
PROFESSIONAL EXPERIENCE
Confidential, Chicago, IL
Cisco Network Engineer
Responsibilities:
- Configure the Switch L3 VLAN’s, L2 VLAN’s on 3750 and 6500
- Configured network using routing protocols such as OSPF, BGP and troubleshooting L2/L3 Issues
- User authentication using Cisco Radius and TACAS+ protocols.
- Coordinating with service providers for WAN link outages.
- Configure the Simple Network Management Protocol (SNMP) for the monitoring and management of devices in a network.
- Configuring Firewall logging, DMZs & related security policies & monitoring
- Configuring and troubleshooting issues related to STP, RSTP and VLAN’s allocation in Organization for maintaining Layer 2/3 Switching intact.
- Configuring different end of Juniper router series
- Updating Network documentation using Google Docs
- Deploy, configure, and support Aruba wireless controller and AP devices globally
- Currently finished training on Aruba Clearpass and helping my current team to deploy Clearpass Servers for authentication of wired and wireless clients.
- Worked with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Designed and deployed POC of NGeniusNetscoutsolution for multi Data Center facilities.
- Upgraded IOS images on various Cisco switches, routers andASAfirewalls.
- Configuring Virtual Device Context(VDC) in Nexus 9k, 7k, 5k and 2k.
- Hand on experience on dealing with Network Security Compliance issues and PCI compliance issues.
- Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Center Environment.
- Worked on wide range of network technologies in a variety of environments such as LAN, Data Center, WAN, Enterprise voice using IPT & VoIP technologies, Unified Communications, Transport services, security components, security policies, and Mobility.
- Used PIX Firewall and ACLs for authentication of EIGRP, BGP and to ensure high security on the network.
- Direct escalation path for all wireless issues within the company.
- Currently finished my DHCP and DNS training on nominum
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
- Physically assembled Firewalls, IDS/IPS, and Nexus 7ks and assisted in Rack -n-stack within the Data Center.
- Involved in configuring IP Quality of service (QoS).
- Troubleshoot all Tier 2 customer issues on the variants of Palo Alto Networks firewalls in Enterprise.
- Monitoring and configuring Cisco 7600 routers at data center.
- Worked extensively on Checkpoint firewalls for analyzing firewall change requests and implementing changes into existing firewall policies, maintaining security standards.
- Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus 7010 and 7009 devices
- ConfiguringVRRP & GLBP andVLANTrunking802.1Q, STP, Port Security on Catalyst 6500 switches.
- Configure and support Cisco core and distribution switches at local and remote sites
- Travel when needed to remote sites to conduct onsite deployments. implementation/verification of changesCitrixNetscaler,GSLB, VSERVER, SERVICES, SSL CERTS APPEXPERT.
- Experience with Juniper NetScreen 520M Firewall and Palo Alto network firewall.
- Designed VLAN’s and set up both L3 and L4 devices to have it communicate to the Enterprise network.
- Configuring the Voice VLAN’s (VOIP) and Prioritizing the voice traffic over the data traffic
- Attend planning and design meetings for remote site deployments, make improvements/suggestions for future network build out.
- Build various network technologies from the ground up specifically Bluecoat Web proxies and Juniper SSL VPN
- Implementing & maintaining tools like Snort (IDS), MRTG, solarwinds products, JFFNMS, Netflow Analyzer, WhatsUP Gold, Smokeping, and NTOP.
- Configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 7000.
- Created vPC’s between downstream devices between core and Aggregation Switches and between Aggregation and Fabric Interconnect.
- Installed, configured and set security policies on cisco and checkpoint firewalls, VPN
- Performed basic security audit of perimeter routers, identifying missing ACL’s, writing and applying ACL’s
- Work in a multi-vendor environment supporting Cisco, Juniper MX/SRX, Aruba, Arista, Brocade, Palo Alto firewalls and F5 load balancers.
- Updated firewall rule based on Checkpoint FW-1/VPN-1, as well as implemented NAT on WAN applications.
- Supporting Virtual and Physical server platform - primarily Windows with some Linux, and UNIX operating systems.
Confidential, Menasha, WI
Sr. Network Engineer
Responsibilities:
- Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing..
- Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
- Configuring and Troubleshooting BGP on Cisco routers
- Team member of Configuration ofCisco7206 router with VPN and Configuration of Catalyst switches.
- Performed Celerra administration with creating filesystem quotas, shares, checkpoints.
- Install, configure, manage, and troubleshoot Cisco Ironport Web Security Appliance (WSA)
- Managed and provided a single,easy to understand view of all access and security polices configured on the appliance.
- Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, Checkpoint, IDS/IPS and Juniper Netscreen firewalls.
- Perform new additions (VIPs, Pools, Virtual Servers, and Monitors) to the F5 BigIP LTM load balancer.
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Day to Day Activities include troubleshooting of network’s configured OSPF,BGP routing with IPV6,IPv4 addressing and Switching redundancy protocols HSRP,VRRP and looping prevention mechanisms like STP,BPDU guard and broadcast storm control
- Configuring and troubleshooting IP Multicasting (PIM & DVMRP) & MBGP.
- Create, document, and organize system configuration and cabling of datacenter infrastructure for Palo Alto Firewalls to support internet tools and tenant networks.
- Designed and Implemented Cisco UCS pods in Nexus 7000 and Cisco 6500 Platform
- Configured UCS Fabric Interconnects 20.
- Create and testCisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
- Installed and maintained routers and switches in various network configurations supported VLANs, Qos, VoIP, and advanced access-lists.
- Had worked on ASR9K running native IOS-XR
- Successfully implemented Network Management tools, CiscoWorks, NGeniusNetscout, HP OpenView, and Solarwinds, andNetscoutfor performance management, data/VoIP traffic management, and asset management.
- Diagnose and resolve issues related to TCP/IP, IS-IS, OSPF, BGP routing protocols, and IP Multicasting, and experience with troubleshooting routing and switching devices.
- Implemented Load Balancing between Cisco L3 Switch by HSRP and GLBP.
- Involved in Configuration and management of networks using L3 protocols like RIPv2, OSPF and EIGRP.
- Configuration of Fabric path and connectivity between Nexus 5K and Nexus 7k
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
- Configured Multicasting protocol for IPTV and Multicast over GRE tunnels.
- Migrated Cat 6500 series switches to Nexus 5K.
- Configuration and set up of Juniper SRX firewalls for policy mgmt. and VPN's
- User authentication and resource allocation using Cisco ACS server using Radius and TACAS+ protocols for administrative control.
- Responsible for CheckPoint and Cisco ASA firewall administration across global networks
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
- Perform the installation and maintenance of VPN gateways, IDS/IPS, proxy servers, firewalls, and load balancers.
- Maintained e-Commerce module according to PCI compliance and deployed security polices among WEB, APP and DB servers.
- Implementation experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
- ExperiencewithF5load balancersLTM,GTMseries like 6400, 6800, 8800 for the corporate applications.
- Experience in designing and implementing IP addressing including IPv4 and IPv6
- Prepared documentation for various Vlans and Voice subnetworks and worked on Visio for the same.
- Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010
- Implementation and troubleshooting of various switching issues related to VLANs, VTP, STP, Port security, ether channels, Inter-VLAN routing.
- Review monitoring and security risks for our network infrastructure, update security policies using Juniper NSM and Palo Alto firewalls.
- Supporting the team for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
- Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
- Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
- Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Worked with Unix, Windows, and Server computers as networked systems
Confidential, St Joseph MI
Sr. Network Engineer
Responsibilities:
- Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
- Team member of Configuration ofCisco7206 router with VPN and Configuration of Catalyst switches.
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4900, 4500, 3700, 3550 switches with various VLAN.
- Create and testCisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
- Installed, configured and administered Palo Alto firewalls.
- Configure UCS Manager by defining Service Profile Template, Policies & Pools for Production Servers and DR Servers.
- Implemented L3 SVI’s and L2 vlans, Inter Vlan Routing and HSRP configuration in Nexus on F series module.
- Installed the APs throughout the warehouse & business offices and configured in theWLCs
- Configured and troubleshooting WAN links, BGP, QoS for global customers.
- Worked with application team to understand their requirements and come up with the best load balancing options (F5 BIG IP- created Virtual servers and load balanced across the web server into network).
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
- Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
- Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
- Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Configuring network access servers for AAA Security Using Juniper IC (Infranet Controllers) MAG-SM360, MAG-4610.
- Worked on VDC, VPC, OTV, and fabric path on of Nexus 7K, and5K.
- Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Providing Technical Support and solutions forNetwork Problems.
- Implementing NAT solution's on wan applications.
- Planned, tested and evaluated various equipments, systems, IOSs and procedures for use within the Network/ security infrastructure.
- Involved in Configuration of Firewall Access lists (ACL) oncheckpointfirewall for the proper network routing for the B2Bnetworkconnectivity
- Upgrading IOS, troubleshootingnetworkoutages.
- Configured and monitored different monitor modules F5 big-ip LTM.
- Experience in planning, designing, implementing, troubleshooting and optimization of WAN/LAN technologies such as Routing, Nexus Switching and Switching with Cisco devices, Cisco PIX& ASA in a 24*7 support environment.
- Well versed with Cisco Hardware including Cisco Router and card types for 1800, 2800,1900, ASR1002,3700, 3800, 7200 series for providing Leased line, Frame-Relay, STM and Ethernet .
- Configured and troubleshoot on Juniper EX4500 and EX8200 switches
- Continually monitor, assess and improvenetworksecurity, test and implement new security technologies.
- 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.
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
- Configure ILO and network ports on Linux\Unix and Windows servers.
Confidential, Arlington Heights IL
Network Engineer
Responsibilities:
- Determined quality levels for network and system performance.
- Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
- Was responsible for all aspects of software and hardware of company’s network and
- Worked onF5LTM,GTMseries like 6400, 6800, 8800 and Radware for the corporate applications and their availability.systems.
- Implemented and maintained network architectures for LAN/WAN.
- Installed new software releases, system upgrades. Evaluated and installed patches, resolved software related problems. Performed system backups and recovery.
- Configured Cisco router, provided technical support for the configuration and installation for the customers.
- Provided technical support to the customers like upgrading, improving and expanding their network.
- Configured IP, RIP, EIGRP, OSPF and BGP
- To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
- Maintained data files and monitored system configuration to ensure data integrity.
- Maintained DNS, DHCP, Active Directory, Replication & other services on the Windows Server 2000 & 2003 network.
- Installed and configured F5 Load balancers and firewalls with LAN/WAN configuration.
- Worked with all types and ‘layers’ of devices, backbone, access and edge, firewalls. Juniper MX and T series, custom CPE platforms.
- Configured Security Policies including NAT, PAT, AAA, ACL’s Standard Access Lists, Distribute-Lists, Route-Maps, VPN Concentrators, IPS/IDS, (PIX, ASA) firewalls.
- Worked on various Nexus Products 7010, 7009, 2248.
- Worked with security issue like applying ACL’s, configuring NAT and VPN
- Experience with Checkpoint Firewall policy provisioning
- Maintained all servers & network equipment with current stable firmware, IOS images & access control lists.
- Was responsible for maintenance of Cisco ASA 5500 firewall for DCA site, adding new rules or changing existing access lists if necessary
- Experience working with Layer 1-7 switching, TCP/IP, OSPF and load balancing (Cisco L2/L3 switches, firewalls, load balancers.
- Run monthly tests for redundant systems and for scheduled service periods, changed and/or modified equipment that failed load or redundancy tests to ensure uptime.
- Organized meetings and discussions regarding network optimization and BGP issues.
- Involved in configuration and management of different Layer 2 switching tasks which includes address learning, efficient switching etc.
Confidential
Network Engineer
Responsibilities:
- Performed IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.
- Implemented and configured routing protocols like EIGRP, OSPF and BGP.
- Troubleshot the issues related to routing protocols
- Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
- Proactively manage customer Firewall’s (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS) and other security threat data sources on Check point, Palo Alto and Juniper FW’s.
- Implemented redundant Load balancing technique with Internet applications for switches and routers.
- Used Network Monitoring tool to manage, monitor and troubleshoot the network.
- Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.