Sr. Network Engineer Resume
Jacksonville, FL
SUMMARY
- More than 8 years of experience in Networking, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication system
- Knowledge on Data Center Design and operations
- Configured Client-to-Site VPN using SSL Client on Cisco ASA 5520 ver8.2.
- Worked on Cisco 3800, 3600, 2800, and 2600, 1800 series Router and Cisco 2900, 3500, 4500, 5500, 6500, Nexus 5K’s, Nexus 7K’s series switches.
- Expertise in installing, configuring and troubleshooting on Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series). and Juniper Routers (E, J, M and T-series)
- Hands-on configuration and experience in setting up Cisco and juniperto perform functions at the Access, Distribution, and Core layers.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP. Implementation of HSRP, VRRP for Default Gateway Redundancy.
- Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
- In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM,TCP/IP,NAT,DHCP,DNS,Firewalls.
- Strong knowledge of Routing and switching concepts and MPLS design.
- Strong Hands on experience with Cisco Routers(Cisco CRS-1, GSR) and Cisco Catalyst Switches(6500/7600) and Juniper Routers(M/T Series)
- Network Implementation: Responsible for advanced enterprise network design, deploying mesh networks, and executing load balancing using CISCO, Ciena, and F5 Big IP 4000s
- Performed software upgrades, IOS-XR upgrades, IOS-XR SMU upgrades on Cisco routers and switches
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, BGP v4
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems
- Responsible for Check Point, Juniper and palo alto 5060 firewall administration across global networks
- Network analysis and capacity planning experience using tools like Ethereal, and Tcpdump
- Experience with Project documentation tools & implementing and maintaining network monitoring systems and experience with developing network design documentation and presentations using VISIO
- Excellent interpersonal, communication and organizational skills with the ability to interact effectively with employees at all levels within the organization.
TECHNICAL SKILLS
Network Configuration: Advanced switch/router configuration
Routing Protocols: EIGRP, EIGRP, OSPF,MPLS
WAN Protocols: HDLC, PPPPacket Switched WAN MPLS
Security Technologies: Site to Site VPN,SSL VPN
Cisco Routers: Cisco 2900 and 3800 series
Physical interfaces: Fast Ethernet, Gigabit Ethernet, SerialLayer 2 technology VLAN, VTP, ISL, dot1q, Spanning-tree, PVST
Layer 3 Switching: CEF, MLS, Ether Channel
Switches: Cisco Catalyst 3750 and 4500 series nexus 5k, 7k
Load Balancer: F5 BIG IP 2000, 4000
Operating System: IOS, JUNOS, GAIA
Other: J-Series Routers, Juniper SRX 650, and Checkpoint 4000,Palo Alto 5060
PROFESSIONAL EXPERIENCE
Confidential, Jacksonville, FL
Sr. Network Engineer
Responsibilities:
- Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
- Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
- Design, Implement & troubleshooting of Juniper switches, routers and Firewalls
- Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
- Involved in configuring Juniper SSG-140, SRX-240, and Cisco ASA 5585
- Provide industry-leading service and support to ACI customers
- Design, Implement & troubleshooting of Juniper switches, routers and Firewalls
- Implementing Citrix NetScaler 10 for Networking and Traffic Optimization
- Experience in configuring VDC, FEX pinning, fex port-channel, port-channel, peer keep alive,peer link.
- Experience in working and designing configurations for VPC, VPC domain, VPC peer-gateway, and VPC peer-switch etc.
- Travel on site to various partner sites to provide training and knowledge of the new ACI solution
- Configure / Troubleshoot CISCO 12000, 7500, 3800, Juniper MX 480, MX960 series routers and EX4200 & EX3200, 3560 series switch for LAN/WAN connectivity
- Advanced expertise and hands-on on Cisco IOS-XR software platform on Cisco 12000 series routers
- Implementing and Maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
- Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only), which involves new wan links.
- Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
- Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
- Ensuring full redundancy of circuits are available throughout the MPLS core backbone to network nodes and data centers on the CRS-1/8
- Experience working with ASR 9000 series switches with IOS-XR
- Configured the commands for QoS and Access Lists for Nexus 7K and 5K.
- Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
- Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
- Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches.
- Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches
- Experience with F5 load balancers - LTM, GTM series like 3900, 2400, 3600 for the corporate applications and their availability.
- Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
- Involved in the modification and removal (wherever necessary) of BGP from the MPLS routers.
- Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
- Responsible for deployment of Checkpoint and palo alto firewall for operations across our global networks.
- Working with Checkpoint Support for resolving escalated issues.
- Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Documented the design, implementation and troubleshooting procedures with Method of Procedure (MOPS).
- Setup of Citrix NetScalers Company wide
- Documented all the work done by using Visio, Excel & MS word
Confidential, BOSTON, MA
Network security Engineer
Responsibilities:
- Primary responsibility is to design and deploy various network security & High Availability products like Juniper and checkpoint security products
- Network Implementation: Responsible for advanced enterprise LAN administration and design, deploying mesh networks, and executing load balancing using f5 LTM 4000
- Worked extensively in Configuring, Monitoring and Troubleshooting through Juniper space and NSM application, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design
- Experience working with JUNOS OS on JuniperRouters and Switches and Juniper firewalls
- Experience working Juniper SRX firewalls and J-Series Routers
- Lead Engineer for Network refresh project for Providing remote Configuring routing protocols OSPF, EIGRP and RIP.
- Configuring HSRP on Nexus 5k to provide redundancy and optimal service performance
- Worked on IOS-XR software upgrades on Cisco 12404, JunOS upgrades on Juniper M320 and T640 routers.
- Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches to perform functions at the Access, Distribution, and Core layers
- Responsible for Cisco ASA firewall administration across our global networks
- Assistance for replacing exiting switches with new Cisco nexus switches.
- Data center migration was involved in Access, Distribution and Core layers.
- Configuring Vlan’s, VTP’s, enabling trunks between switches.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Experience with checkpoint 12400 running Gaia and palo alto 5060
- Experience with convert juniper SRX VPN rules over to the Checkpoint 12000 Boxes, Migration Experienced with SPLAT and Junos.
- Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
- Experience with design and implementation of Data center migration
- Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
- Excellent Troubleshooting Skills and Customer Centric approach.
Environment: Cisco XR 12404 routers and Cisco nexus 5kSwitches, Juniper SRX 240,JUNOS, J-Series 4350 Routers, F5 LTM 4000, Checkpoint 12400, Palo Alto 5060, ASR 1002, GAIA,RIP, OSPF, VPN
Confidential, Detroit, MI
Network Security Engineer
Responsibilities:
- Configuring IPSEC VPN (Site-Site and Remote Access VPN) on juniper SRX 550 and ISG 1000 firewalls with IPS and with integrated IDP.
- Configured and troubleshooting of Ipsec and SSL VPN on Cisco ASA 5520 any connect VPN
- Network consists of Heavy Cisco equipments such as Cisco 2950, 3825 series Routers, Cisco 3560 and 6509 switches
- Performed ospf and BGP Routing Protocol Administration
- Involved in Troubleshooting IP Addressing Issues and Updating IOS Images using TFTP.
- Troubleshooting problems on a day to day basis & providing solutions that would fix the problems within their Network.
- Configuring rules and Maintaining juniper SRX Firewalls thru junos Space
- Monitored performance of Network and Servers to identify potential problems and bottleneck.
- Implemented Load Balancing on F5 BIG IP 2200.
- Switching Technology Administration including VLANs, inter-VLAN Routing, Trunking, STP, RSTP and Port Aggregation & Link Negotiation on cisco 3560 and 6509 catalyst switches
- Maintaining security policies, NAT and Performed ospf and BGP Routing Protocol Administration .
- Involved in New Branch Network Systems, Resolved Network Issues, Ran Test Scripts and Prepared Network Documentation.
- Maintenance and Troubleshooting of LAN connectivity problems using Ping,Trace route.
Environment: Cisco 3560 switches and Cisco 3825 Routers, Juniper SRX 550,JUNOS,F5 BIG IP 2200, OSPF, BGP, STP,VLAN, ISG 1000
Confidential, Rochester, MN
Network Security Engineer
Responsibilities:
- Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.
- Configure Juniper SRX 650 and Cisco ASA 5580 Firewall
- Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality
- Implemented SSL digital Certificates in multiple data centers on Cisco, Juniper security devices.
- Configuration on Site to Site VPN and UTM features like IPS, application Security and web filtering
- Maintaining security policies including NATand Secure user based access control
- Designed VLAN’s and set up both L2 and L3 logical to have it communicate to the Enterprise network.
- Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support for all customers.
Environment: Cisco 2950 switches and Cisco 3825 Routers, Juniper SRX 650, ASA 5580 FirewallReference:Available upon Request
