Sr Network Engineer Resume
Deerfield, IL
SUMMARY:
- 8 years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system on both Cisco and Juniper Networks
- Experience with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system remedy
- Experience of routing protocols like EIGRP, OSPF, RIP, and BGP
- Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Routers and Cisco 2900, 3500, 4500, 5500, series switches
- Extensive hands - on experience with complex routed LAN and WAN networks, routers and switches
- Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers
- Experience with BIG-IP F5 load balancers, version 9.x, 10.x, 11.x, CitixNetscalers and Web Accelerators.
- Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations
- Proficiency in configuration of VLAN setup on various Cisco Routers and Switches
- Configure all Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale firewall deployments.
- Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
- Network monitoring and debugging tools: SevOne Netscout , Wireshark
- Wrote server scripts using Perl to work with IPv6 instead of IPv4 .
- Experienced with VSS , VPC , Nexus7000
- Good understanding of NAT & Firewall on Aruba Controllers.
- Very good experience in Installation, configuration and maintenance of SQL Server.
- Wireless design for over a total of 100 million square feet.
- Along with other Network Engineers participated in the management and configuration of Cisco ASA, Juniper and Palo Alto Firewalls , ACL’s, and Packet Shaping devices and rules.
- Worked on various network projects involving Cisco Routers- ASR 1000/9000, Switches-Nexus 7K/5K/2K.
- Enhanced level of experience with OSPF, BGP, and TCP/IP
- Hands-on experience in using network monitoring tool Solarwinds Orion.
- Strong knowledge on cisco ISE.
- Excellent leadership with good written and oral communication.
- Installed, configured and deployed Cisco IP Telephony .
- Good knowledge on Cisco RSA.
- Build UCS manager policy-based provisioning, automation and management to high density, high performance computing.
- Worked extensively on Juniper MX Series Routers and EX series Switches
- Great team player and able to work under pressure 24x7 duty rotation.
- Strong knowledge in HSRP, VRRP redundancy Protocols.
- Strong experience on Juniper SSG series Firewalls and Checkpoint R75, 76 Firewalls
- Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
- Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
- Access control server configuration for RADIUS & TACAS+.
- Hands-on experience using Cisco Virtual Switching System (VSS).
- Good knowledge on Bluecoat proxy server SG• Knowledge of advanced technologies like VOIP, H.323, SIP, QOS, Multicasting, MPLS and MPLS-VPN
- Experience with 802.11x wireless technology.
- Experience with Juniper SRX 240 Firewalls
- Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments.
- Good knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (223, 2248)
- Hands-on Experience with CISCO Nexus 9000, Nexus 7000, Nexus 5000, and Nexus 2000 platforms.
- Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
- Adept in requirements analysis, network design, installation, configuration, maintenance and administration.
- Tested and worked with software designers to establish a user-friendly environment.
- Review all changes to network configuration for technical accuracy and impact and provide Multi- Protocol Network problem resolutions.
TECHNICAL SKILLS:
Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900, 6807 series)Juniper Platforms SRX, MX, EX Series Routers and Switches
Access: lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi
Firewall: ASA Firewall (5505/5510), Checkpoint, Cisco ASA
Network Tools: Solar Winds, SNMP, Cisco Works, Wireshark
Load Balancers: Cisco CSM, F5 Networks (Big-IP)
WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET
LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
IKE, IPSEC, SSL: VPN
Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA, IPv4 and IPv6
Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix
PROFESSIONAL EXPERIENCE:
Confidential, Deerfield, IL
Sr Network Engineer
Responsibilities:
- Configuring Static, IGRP, EIGRP, and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
- Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
- Configured Easy VPN server and SSL VPN to facilitate various employees’ access internal servers and resources with access restrictions
- Responsible for entire company network infrastructure that includes Cisco Switches, Routers, Firewalls, Access Points, Servers and PBX.
- Configured VLAN’s, Private VLAN’s.
- Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
- Subject Matter Expert for juniper Routing, Switching, Security, and VPN Systems
- Implementation of Site-to-Site VPNs over the internet using 3DES, AES/AES-256 with ASA Firewalls
- Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
- Designed and Implemented Firewalls, F5Viprion deployments to Front end and DMZ customers
- Measure the application performances across the MPLS cloud through various routing and switching methods.
- Configured inside ACL, outside ACL, inside, outside interfaces.
- Configured NAT and PAT policies.
- Configuration and troubleshooting of EIGRP, OSPF, BGP.
- Configuration and troubleshooting of CSM, integration with ASA devices.
- Experience in migration of VLANS & Configured VLANs with 802.1q tagging, Ether channels, and Spanning tree for creating Access/distribution and core layer switching.
- Installed and configured DNS, DHCP. Responsible for creating and configuring FORWARD LOOKUP ZONE AND REVERSE LOOKUP ZONE
- Redistributed required routes from OSPF in to BGP. OSPF cloud is present in US and is connected to all our customers over Sprint’s Frame Relay backbone
- Managed Plan of Record with PLMs/SE/Sales/Marketing and followed up and monitor product lines of Juniper routing/switching/security portfolio (MX, PTX, EX, SRX)
- Proficient with F5 LTM and Cisco CSM load balancer in-between the servers inside the server farm and DMZ.
- Implementation of Access Lists for allowing/blocking desired traffic.
- Configured EBGP load balancing and ensured stability of BGP peering interfaces
- Implemented site to site VPN in Juniper SRX as per customer Worked on Route-Reflectors to troubleshoot BGP issues related to customer route prefixes also route filtering using Route-maps.
- Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
- Managing and configuring 4 juniper SSL VPN appliances (SA-4500 & 4000) for TSNA and ATS customers
- Deployed BIG IP Enterprise manager to cluster all the F5 LTM, GTM, ASA, Netscreen devices for easier management and common configurations.
- Involved in migration of F5 Local traffic managers of LTM 5100 series to LTM 6800 series for higher.
- Extensive use of NSM (Network and Security Manager) and CSM (Cisco Security Manager) for adding or modifying firewall policies for the firewalls in use.
- Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
- Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
- Implemented F5 hardware refresh of older 3600 hardware toViprion.
- Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
- Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
- Building the VPN tunnel and VPN encryption.
- Mapped, Network Diagrams and physical identification in MS Visio.
- 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.
Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/ switches and Cisco 3640/1200/7200/3845/3600/2800 routers, Cisco ASA 500, Checkpoint, windows server 2003/2008: F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP
Confidential, Miami, FL
Sr Network Engineer
Responsibilities:
- Maintain and track the status of device supplied to the client.
- Coordinating with JTAC for faulty part replacement and configuring standby device to support customer with minimal downtime.
- Implemented Juniper firewall &switches.
- Installation & Maintenance of Juniper switches routers &firewalls.
- Implementing and maintaining WAN/LAN and WLAN networks in different diagrams
- Implemented various EX, SRX & J series Juniper devices.
- Involved in troubleshooting L3VPN issues and updating Junos images, UTM Anti-virus and IDP.
- Identified opportunities for implementation of network best practices, particularly F5 load balancer implementations.
- Monitor performance of network appliances and WAN utilizing using network analyzer like Wireshark.
- Study of migration of the old WAF infrastructure from DenyAll to F5 BIG IP ASM technologies.
- Responsible to providing support for IT infrastructure in the laboratory. Surveillance activities for physical and virtual switches. Openflow, 802.1x and MAC authentication test.
- Deployed BIG IP Enterprise manager to cluster all the F5 LTM, GTM, ASA, Netscreen devices for easier management and common configurations.
- Involved in migration of F5 Local traffic managers of LTM 5100 series to LTM 6800 series for higher.
- BigIP ASM Positive and Negative Policy Reinforcement, iRule, Full proxy for HTTP, Server Performance Anomaly Detection.
- Design and integration of Juniper SSG series firewalls, SA VPN Appliances, J series Routers, and EX series switches.
- Help in building Cisco UCS servers to simplify data center architecture; reduce the number of devices to purchase, deploy, and maintain; and improve speed and agility.
- Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
- Security systems and appliances Cisco ASA 5520, Fortinet, Bluecoat, Packet Shaper 7500).
- Extensive experience in using T-SQL (DML, DDL, DCL) in SQL Server … platforms.
- Configuring and managing FC zones on Cisco 9K/7K/5K.
- Firewall worked upon include Checkpoint (R77 GAiA GUI) and Cisco ASA's (ASDM GUI).
- Focused on building new content and functionality for several F5 ecommerce sites.
- Created and resolved Palo Alto and Checkpoint Firewalls Rules, Routing, Pushed Policy.
- Created and resolved Checkpoint, Palo Alto Customer Orders, and Request Orders.
- Configuration of Fabric path and connectivity between Nexus 7K and Nexus 5K.
- And compared the results of parameters like delay load of both TCP and UDP on OPNET IT GURU Technologies: C++, GNS3, OPNET IT GURU and Photoshop.
- Configuration and installation of Nexus 5K.
- Researches software and hardware issues related to the company's IP Telephony infrastructure
- Designed, installed, configured and deployed enterprise-wide Cisco IP Telephony platform.
- Migration of corporate networks from IPv4 to IPv6.
- Experience in CSM& Waterfall Methodologies
- Expert in designing reports using SQL Server Reporting Services (SSRS) and Excel Power Pivot table based on OLAP cubes
- Configuring Routing protocols like BGP, OSPF, MPLS, multicast and L2 protocols in ASA to check it is passing through via ASA in customer deployments.
- Installed controller and light weight access point coordination with JTAC.
- Managed all project work related to F5.com development (code, content, and marketing).
- Drove development of new API's related to F5 product trials that focused on verifying and capturing.
- Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multi-Layer Switching.
- Performed interconnection of customer sites using IPSec VPN.
- Perform Packet shaper Bluecoat 75000 OS upgrade, maintenance and configurations
- Shipping Aruba bundle to work at home users
- Palo Alto/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
- Cisco ASA and PIX: NAT, Failover, Remote VPN, ACLs.
- Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
- VSS, VPC, VRF, VDC, SNMP, Netflow, NAT, ACL.
- RTMT experience with VoIP and VoSIP (monitoring clusters).
- Installation and trouble-shooting of routing protocols like static and dynamic.
- Implemented site to site VPN in Juniper SRX as per customer.
- Provides direct support for all hardware moves, adds, and changes for the VoIP devices.
- Configure Aruba routers for work at home Humana employees.
- Responsible for providing Certification and Accreditation support for Cisco VoIP systems and helping with Voice Engineering efforts.
- Developing access lists to meet user specifications.
- Supporting core layer, distribution layer and access layer issues.
- Tracking and installation of requirements & development by working with client and related teams to implement changes.
- Installed high availability Big IP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
- Optimizing and monitoring the performance of a WLAN, LAN, WAN and user's segments
- Preparing weekly reports and follow- up with clients.
- Update data related to network configuration, setup and implementation of Juniper Topology.
- Coordinate with Project Managers, sales and call center (customer service) to deliver best quality of service to the customer.
- Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Maintain connectivity for approximately 300 switches and routers in a 500+ node network.
- Troubleshooting any and all network problems involving LAN, WAN, BGP, EIGRP, MPLS/VPN, VRF - VPN Routing and Forwarding Instance, SIP Trunking, Internet ISP, Multi homed - BGP with Level-3 Datacenters.
- WLAN integration of all hotspot access points with wired central LAN infrastructure by using bridged backhaul point to point, point to multi-point and mesh type wireless network topology
- Experience with deploying Fabric Path using Nexus 7000 Devices
- Experience with configuring OTV between the data centers as a layer 2 extension.
- Experience with configuring FCOE using Cisco Nexus 5548.
- Implemented cluster and configuration of SRX-100 Juniper firewall.
- Implemented cluster and configuration of SRX-110 Juniper firewall.
- Installed Trapeze-MX 2800 wireless controller and light weight access points.
- Working with MPLS Designs from the PE to CE.
- Maintain, monitor, and troubleshoot network devices, wireless.
- Experience with designing and deployment of MPLS Traffic Engineering
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
- Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
- Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration
- Implemented Virtual chassis of EXseries Juniper switches as per client requirement.
Confidential, Weston, FL
Network Engineer
Responsibilities:
- Actively participated and completed many projects based on MPLS VPN, Internet Solutions for corporate customers Backbone.
- Actively participated Implementation and customization of customer network.
- Hands on experience working on Cisco 7600, 12K, ASR routers & Juniper MX series and Juniper BRAS.
- Currently working on wireless upgrade project for Allegheny Health network and their EPIC roll out.
- Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
- Verifying IPv4/IPv6 Addressing Architecture.
- Verifying Dynamic Host Configuration Protocol for IPv6 (DHCPv6) and DNSv6 options.
- Performed wireless network design, site surveys, as well as Troubleshooting and repairing any issues that occurred on site.
- Managing proxy server for branches and head office for internet access through Bluecoat Proxy SG600 for URL Filtering, traffic acceleration and visibility reporting with Bluecoat reporter.
- Configuration and troubleshooting of many link types i.e. SONET Controllers for sub E1/T1, E3/T3 and POS controllers for STM1 links.
- Provided tier 3 support for Checkpoint Firewall-1 software to support customers.
- Work on Checkpoint Platform including Provider Smart Domain Manager. Worked on configuring, managing and supporting Checkpoint Gateways.
- DNS Zone administration for 13 countries across EU for COLT customers.
- Implementation and testing of ISDN BRI/PRI circuits.
- Migrated Vlans from ASA (perimeter firewalls) to FWSM’s for better security management
- Responsible to troubleshoot the connectivity between CPE router and the COLT's edge router (SAR).
- Worked closely with RIR(Regional Internet Registry) to procure PI(Provider Independent) and PA
- Responsible for troubleshooting complex networking issues in service provider MPLS & internet
- Aggregately) IP addresses and AS numbers for COLT and customers.
- Set up DNS Reverse Delegation according to RIPE rules in RIPE Database.
Confidential
Network Engineer
Responsibilities:
- Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
- Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications.
- Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
- Configured the Cisco router as IP Firewall and for NATting.Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
- Installing new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
- Installing and maintaining local as well as network printers.
- Validating existing infrastructure and suggesting new network designs.
- Working on creating new load balancing policies by employing BGP attributes including Local Preference, AS-Path, and Community, MED.
- Providing technical support to LAN & WAN systems.
- Configuring all the required devices and equipment for remote vendors at various sites and plants.
- Installation and maintenance of new network connections for the customers.
- Installing and maintaining Windows NT Workstations and Windows NT Server.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Real time monitoring and network management using Cisco Works LMS.
- Monitoring Memory/CPU on various low end routers in a network.
- Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
- Provided technical support on hardware and software related issues to remote production sites.
- Performed administrative support for RIP, OSPF routing protocol.
- Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
Confidential
Network Engineer
Responsibilities:
- Experience in Cisco/Juniper Networking, Security that includes Designing, Deployment and providing network support, installation and analysis for a broad range of LAN / WAN protocols.
- Hands On experience Cisco IOS, for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Voice/data circuits, routers/switches, and cellular technologies.
- Responsible to run different kind of Network test this includes MPLS, BGP, and SNMP.
- Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
- Experience on Trafficking of TCP/UDP through NAT and know the role of port preservation for TCP.
- Experience in VPN Tunneling.
- Upgraded IOS on various Cisco Routers like 3945 and 2921 as well as switches like 3750, 4500 and 6500.
- Upgrades and backups of Cisco router configuration files to a TFTP server.
- In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls.
- Configured OSPF redistribution and authentication with type 3 LSA filtering to prevent LSA flooding.
- Experience establishing and configuring Enterprise Active Directory including firewall settings, group policies, and user/device accounts.
- Expertise implementing security protocols like IPSEC, DNSSEC, and 802.1 x.
- Co-ordinate with the Data Network and Security team and come up with possible solutions.
- Cisco Secure Access Control Server (ACS) for Windows to authenticate users that connects to a VPN 3000 Concentrator.
- Knowledge on WPA encryption, WLAN, IEEE 802.11 standards and SSID setup.
- Responsible for day-to-day management of Cisco Devices, Traffic management and monitoring.
- Experience managing IDS or IPS networking technologies.
- Responsible for Manual testing, reporting defects and working closely with development in narrowing down issues.
- Provide support 24x7 on and as needed.