We provide IT Staff Augmentation Services!

Sr. Network Engineer Resume

MD

SUMMARY

  • Cisco Certified Network engineer with over 9+ years of expertise in Designing, Implementing and troubleshooting various Network Technologies.
  • Provide scalable, supportable military grade TCP/IP security solutions along with expert TCP/IP network designs that enables business functionality.
  • Hands - on experience, specializing in Cisco Environment in Data Center, systems, network and user administration, LAN / WAN and Security.
  • Administration, engineering, and support for various technologies including proficiency in LAN/WAN, routing, switching, security, application load balancing, and wireless.
  • Experienced in installation, configuration, design and ongoing maintenance of Cisco router and switches.
  • Advanced knowledge in design, installation and configuration of Juniper NetScreenFirewallISG 1000/2000, SSG series and NSM Administration
  • Worked on Cisco Catalyst Switches 6500/4500/3500 series,
  • Responsible for Checkpoint and Cisco firewall administration across global networks.
  • Knowledge of managing, maintaining, administering, troubleshooting high end network devices such as Cisco routers switches and firewalls.
  • Implementation and administration of Juniper WX/WXC devices for WAN Traffic acceleration
  • Policy development and planning / programming on IT Security, Network Support and Administration.
  • Implementing and maintaining F5 LTM Devices (Versions 9.x, 10.x and 11.x). Responsibilities include device builds for continuous application availability and Windows/Unix load balancing, code upgrades, and configuration management.
  • Juniper, Check Point Cisco ASA, Cisco PIX and Palo Alto Firewalls Administration
  • Knowledge of Checkpoint VSX, including virtual systems, routers and switches
  • Experience in Network LAN/WAN deployment,
  • Experience with DNS/DFS/DHCP/WINS Standardizations and Implementations.
  • Cisco ASA Firewalls, Palo Alto Networks Firewalls.
  • Network Administration, monitoring networks for vulnerabilities or intrusions.
  • Extensive understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.)
  • Configured IP addresses and subnet masks of workstations
  • Configured Cisco routers and switches to hosts or servers Configured mail exchange servers, and other servers on Microsoft Outlook, and Mozilla Setup email on mobile phones and email exchange servers such as POP, POP3, IMAP, and SMTP.
  • A broad understanding of computer hardware and software, including things such as installation configuration, management, troubleshooting, and support.
  • Experience in Active Directory, GPOs, File & Print Server, FTP, Terminal Server, NAT, and Exchange Mail Server.
  • Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers.
  • Extensive experience in Windows 2008 R2/2008/2003 Wintel Servers at single or multi domain platforms.

TECHNICAL SKILLS

Cisco Platforms: Nexus 9k,7K, 5K, 2K & 1K, Cisco routers (7600, 7200, 3900, 36002800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series)

Juniper Platforms: SRX, MX, EX Series Routers and Switches Networking Concepts 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

Load Balancers: Cisco CSM, F5 Networks (Big-IP)

WAN Technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1DS3, OC3, T1 /T3 & SONET

LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- Channel, VLANS, VTP, STP, RSTP, 802.1Q

Security Protocols: IKE, IPSEC, SSL-VPN

Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLSHSRP, VRRP, GLBP, TACACS+, Radius, AAA

Languages: Perl, C, C++, SQL, HTML/DHTML

Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, UNIX

Documentation : MS Office, MS Visio

PROFESSIONAL EXPERIENCE

Confidential, MD

Sr. Network Engineer

Responsibilities:

  • Worked on migration from F5 LTM to A10 LTM Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Configuration on Second Chassis to the host and all guest in the chassis as a Standalone VIPIRON
  • SME Configuration on F5 OS 9.X On legacy and 11. Xon VIP IRON Plat forms using CLI Big PIPE and Shell
  • Configured F5 VIPIRON Load Balancers for MS Exchange.
  • Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM.
  • Experienced in BMC Remedy ticketing system.
  • Working on Clarify and Remedy ticketing system to address customers Network related issues
  • Coordinated change management for network moves and changes. Updated Remedy ticket requests.
  • Develop a custom-made system (C++) for inventory and billing control for an automotive retailer
  • Prepare equipment orders based on templates. Develop detailed template-based plans including implementation, testing and back out procedures for all network implementations, upgrades and modifications.
  • Provide second/third level technical support for ACI (Application Centric Infrastructure), APIC technologies
  • Brocade hardware products include Fibre Channel SAN directors and switches
  • Virtual Cluster Switching (VCS) on the VDX 9 ultra-low-latency data centre switch product line
  • Configured DCX 8510-8, 6500 Series, 5100 Series, 7800 and Encryption Switch
  • Brocade support in iSCSI, FCIP, GigE, FICON, FCoE, DCB/CEE, and Layer 4-7 networking protocols
  • Solar Winds Firewall Management and Solar winds network management operation
  • Orion Network Performance Monitor on Solar Winds
  • Assist in creating network design standards for hardware and software.
  • Developing and maintain Network Documentation (Visio diagrams, Excel spreadsheets, Word documents, etc.…).
  • Configure and troubleshoot network elements in a test environment.
  • Experience working with market data networks and dealing with clients and deploying network designs
  • Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the VPN networks
  • Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800
  • Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
  • Experience working with High performance data centre switch like nexus 7000 series
  • Experience working with Nexus 7010,7018, 5020, 2148, 2248 devices
  • Migration of existing IPSEC VPN tunnels and Firewall rules from one Data Center to another Data Center, due to decom of existing Data Center, which involved working with Partner Companies
  • Responsible for Updating Access-list, prefix-list to 2500 Retail Routers across the country, Experience with LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP.
  • Experience with Network Redesign for Company Campus Locations and Moving from 6500 based Data Center to Nexus based Data Center.
  • Experience with design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000,
  • Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 with ACL, NAT, Object Groups, Failover, Multi-Contexts.
  • Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trucking, deployed port security when possible for user ports
  • Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN.
  • Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with ASA Firewalls.
  • Responsible for cabling the switches, assigning IPs, port turn up and also troubleshooting the connection.
  • Provide front end on-call network support 24x7x365 for all network infrastructures in the co-operation
  • Experience with Firewall migrations from PIX firewall to Cisco ASA and Juniper SRX firewall appliances.
  • Responsible for Check Point and Cisco firewall administration across global networks.
  • Policy development and planning / programming on IT Security, Network Support and Administration.
  • Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM.
  • Experience with Firewall migrations from PIX firewall to Cisco ASA and Juniper SRX firewall appliances.

Environment: Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus ( 9K 7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Checkpoint, F5 load balancing, Cisco ASA, Checkpoint, Palo Alto, Big IP F5 LTM/GTM, Nexus switches, TCP/IP, VPN.

Confidential

Sr. Network Engineer

Responsibilities:

  • Configured OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding.
  • Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
  • Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
  • Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Worked on HSRP for load balancing.
  • Experience in designing data communications and networks utilizing that utilize a mixture of frame relay, point to point T1, T3 & OC3 lines
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Involved in iRule management like loading rules, writing iRule syntax using TCL language performed creation and closing of work orders and Trouble tickets via BMC Remedy.
  • Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
  • Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches
  • Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches
  • 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 centre environment
  • Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment in the core network
  • Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
  • Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning
  • Experience on a mesh 6500 and 5500 series routers and switches to support the core trading system. Involved
  • Hands on Experience testing iRules using Browser (IE), HTTP watch
  • Involved in SNMP Network management. Worked on various scanning and Sniffing tools like Ethereal
  • Upgrades and backups of Cisco router configuration files to a TFTP server
  • Implementing and maintaining backup schedules as per the company policy
  • Experience working with Nexus 7010,7018, 5020, 2148, 2248 devices
  • Experience working with High performance data centre switch like nexus 7000 series
  • Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
  • Configuring IPSEC VPN on SRX series firewalls
  • Provide second/third level technical support for ACI (Application Centric Infrastructure), APIC technologies
  • Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
  • Worked on Juniper J series j230, M 320 routers and EX 3200 series switch.
  • Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio
  • Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
  • Installation, Configuration and Administration of ADS, DNS, DHCP and Web proxy (ISA)server
  • Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
  • Implemented the concept of Route Redistribution between different routing protocols
  • Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet
  • Administration of Cisco 11.x and 12.1 versions and higher
  • Monitored all Cisco equipment’s using Cisco Works
  • This includes Artifacts for regular Health Checks, IP and System Integrity, Change management, Problem management, Logical Access Controls, Network Connectivity, Service Registration and Performance Management
  • Installed and configured the Cisco routers 2800 in two different customer locations. It includes coordinating with Verizon and AT&T in order to bring the serial interface up for T3 link. Also, configuration includes frame relay, BGP and VPN tunnel on GRE
  • VLAN Configurations, troubleshooting and Firewall ACLs and Object-Groups configuration and support
  • Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800

Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.

Confidential, NYC, NY

Sr. Network Engineer

Responsibilities:

  • Maintain and track the status of device supplied to the client.
  • Implemented Juniper firewall switches.
  • Identified opportunities for implementation of network best practices, particularly F5 load balancer implementations.
  • Worked on migration of existing ASA firewall to Palo Alto firewall,
  • Monitor performance of network appliances and WAN utilizing using network analyzer like Wireshark.
  • 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.
  • Integration of Juniper SSG series firewalls, SA VPN Appliances, J series Routers, and EX series switches.
  • Configuring and managing FC zones on Cisco 9K/7K/5K.
  • Focused on building new content and functionality for several F5 ecommerce sites.
  • Configuration of Fabric path and connectivity between Nexus 7K and Nexus 5K.
  • Configuring Routing protocols like BGP, OSPF, multicast and L2 protocols in ASA to check it is passing through via ASA in customer deployments.
  • Maintenance and troubleshooting of LAN, WAN, IP Routing, Multilayer Switching.
  • Performed interconnection of customer sites using IPSec VPN.
  • Palo Alto 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.
  • Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
  • Installation and troubleshooting of routing protocols like static and dynamic.
  • 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
  • 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.
  • Experience with deploying Fabric Path using Nexus 7000 Devices
  • Experience with configuring OTV between the data centers as a layer 2 extension.
  • Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration

Hire Now