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Network Consulting Engineer Resume

SUMMARY:

  • 7+ years of experience in implementation, troubleshooting and maintenance of complex and security devices
  • Experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF, IS - IS BGP and MPLS
  • Worked on Layer 2 technologies, Switched VLANs, Spanning Tree and WLANs
  • Understanding the JUNOS platform and worked with IOS upgrade of Juniper devices
  • Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and switches
  • Provided proactive threat defense with ASA that stops attacks before they spread through the network.
  • Designed and Implemented Cisco PIX525 and ASA5550 firewall’s interfaces with FTP, DNS, HTTP servers on DMZ with different security levels
  • Knowledge in scripting language
  • Experience working with Defined networking architecture.
  • Experienced in Cisco ASR, CRS, Nexus and 7600, 9300 series equipment. Also Cisco products such as 3750, 2901 and 2811
  • Implementing security policy configurations and nodes via Juniper SRX-3400 FW and NetScreen 5500.
  • Network support for various process control automation networks
  • Switching tasks include VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP, PVST+.
  • Knowledge in Microsoft Office Suite, Cisco IOS, IOS-XR, Junos, LOES/SAOS, Wireshark, Adobe Photoshop, Pro Tools
  • Implemented the numerous firewalls rules on the Checkpoint with both Hide Nat and Static NAT
  • Responsible for creating network configurations for Cisco ASR9k, CRS, Nexus 7000, 7609, 7613, 6509, 4509, 5500, 3550, 2620, 2621, 1720, Junipers MX960, M320 and M7i's
  • Planned, documented and completed proof of concepts for Nexus 5600 and 9300 series switches and 2300/2200 series fabric extenders
  • Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and 3500XL series switches
  • Detailed technical knowledge of either Cisco ACE, F5 load balancer technology.
  • Configured Juniper SSG-550 and ISG-1000 and Cisco ASA5510 firewalls
  • Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Expert with the TCP/IP and OSI internet models. A firm understanding of Distance vector and Link-state routing protocols
  • Configured and deployed Juniper SRX security platforms like SRX100, SRX210, SRX 1400 and SRX 3400.
  • Managed VPN token issuance via RSA implementation
  • Design, Build, and Implement various solutions on Check Point Firewalls, Blue Coat Proxies, F5 Load balancers and F5 Global Traffic Managers
  • Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco, B2B VPN client in addition to providing TACACS+ and RADIUS services
  • Involved in setting up Voice VLANs on distribution switches, and configuring access switches ports for Avaya IP Phones
  • Knowledge of Cyber Threats and mitigation strategies, network monitoring, intrusion detection, reactive measures and prevention, network assessment methodologies, security vulnerability analysis, data encryption, and IA Tools
  • Expertise in the configuration and troubleshooting of Routing Protocols like RIP, OSPF,EIGRP,ODR,BGP,MP-BGP,VRF-LITE, Redundancy Protocols like VRRP and HSRP
  • Expertise in implementation of IP addressing schemes (includes VLSM) and IP services to meet medium level enterprise level network requirement
  • Experience working with Nexus 7K, 5K, 2K devices
  • Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000
  • Well experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP
  • Migration of Palo Alto firewalls from ASA
  • Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
  • Experience in installing and configuring DNS, DHCP server
  • Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone Aps, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics
  • Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Good knowledge and experience in installation, configuration, and Administration of Windows 2000/2003, HTTP, FTP, DNS, NTP, DHCP servers under various LAN and WAN environments
  • Proficiency in handling Network Monitoring tools and Packet capture tools
  • Adept in preparing technical documentation and presentations using Microsoft Visio/ Office.
  • Provides technical leadership for problem escalation and resolution
  • Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.
  • Juniper: EX-2200, EX-4200, EX-4500, EX-480, M Series, SRX210, SRX240

TECHNICAL SKILLS:

Cisco Routers: 1700, 1800, 2500, 2600, 3600, 3800, 7200, 7600,ASR 9K, NCS5K

Cisco L2 & L3 switches: 2900, 3560, 3750, 4500, 4900, 6500, NEXUS 7K,5K,2K

LAN Technologies: VLAN, VTP, Inter-VLAN routing, STP, RSTP, PVST, 802.1x

WAN Technologies: HDLC, PPP, ATM, SONET, MPLS, VPN, IPSec-VPN

Network Securities: NAT/PAT, VPN, Filtering Load Balancing using F5, IPSec, Checkpoint Firewall

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6

Load balancer: BIG IP F5 LTM/GTM/ASM

Routed Protocols: TCP/IP, IPX/SPX

Infrastructure services: DHCP, DNS, SMTP, POP3, FTP, TFTP

Network Managements: SNMP, SSH, Telnet, ICMP

IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/PRI, Call manager Express

Operating System: Windows, MS DOS, UNIX, Linux

PROFESSIONAL EXPERIENCE:

Confidential

Network Consulting Engineer

Responsibilities:

  • Design, develop, and test customer service provider solution, which built by using such technologies as MPLS, ISIS, QOS, RSVP and general route/switch.
  • Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: ISIS, MPLS, RSVP on Cisco Routers NCS 5500, ASR 9K.
  • Juniper: EX-2200, EX-4200, EX-4500, EX-480, M Series, SRX210, SRX240, QFX10002
  • Even took charge as a Lead at some times to get a good output.
  • Determined and executed fixes to complex problems for large Data Center sites that consist of high-end routers and switches such as: Cisco (CRS, XR, GSR 12416; 7613/09, 6509/4, 4800, 3600, and 2900), Juniper (M320, MX960, M7i)
  • Experience with OpenStack (Nova, Swift, Glance, Keystone, Neutron), Open Contrail, Virtual Box, Vagrant, KVM, some VMware.
  • Fabricate wire bundles, marking wires, termination into connectors
  • Expert knowledge of redundancy protocol like HSRP and VRRP.
  • Implemented traffic filters on CISCO routes using Standard Access List and Extended Access List.
  • Also involved with two customer side project like DROPBOX and AMAZON
  • Collaborate with collocated and remote colleagues to solve technical issues.
  • Validate large scale network environments using 3 rd test tool such as IXIA and Spirent.
  • Develop and executes tests, log and track issues and drive them to resolution with verification of bug fixes.
  • Document test results and research findings; develop software/script as needed to assist in the systems validation solution.
  • Also creating templates for developing automation script for the service provider solution.
  • Also the following tools being used: IXIA, SPIRENT.

Confidential, Roseland, NJ

Network Engineer

Responsibilities:

  • Design, Build, and Implement various solutions on Check Point Firewalls, Blue Coat Proxies, F5 Load balancers and F5 Global Traffic Managers
  • Implemented the numerous firewalls rules on the Checkpoint with both Hide Nat and Static NAT
  • Migrated Check Point 680 to juniper SRX 650
  • Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
  • Troubleshooting of LAN, WAN, WLAN & VoIP networking issues using Wireshark, Syslog and other advanced tools and methodologies.
  • Experience with devices Palo Alto Network firewalls such as security NAT, Threat prevention & URL filtering
  • Worked on JUNOS platform and worked with IOS upgrade of Juniper devices
  • Installation, configuration and troubleshooting of Cisco 7200VXR, ASR1K, ASR9K series routers and Catalyst 6500, 2900 series switches
  • Extensive implementation of firewall rules on Juniper SRX 3400 and NetScreen 5500 on a daily basis, using CLI
  • Troubleshooting and installing of CRS, ISR, GSR, ASR9000, and Nexus devices
  • Assesses network performance to ensure that it meets the present and future needs of the business
  • Configuration of Rugged com Switches and Rugged com Port Servers
  • Wrote PowerShell scripts to automate tasks being executed by the Active Directory & Identity Management Team
  • Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using 6509-V-E catalyst switches
  • Expert Level Knowledge about TCP/IP and OSI models
  • Identifying and provide end to end redundancy and Load balancing
  • Contribute to customer awareness of automation network performance issues through the use of network
  • Involved in the redistribution into OSPF on the core ASA firewall
  • Updated old Cisco switches & routers in existing data centers & installing new Cisco switches & routers
  • Configuring, upgrading and managing Juniper devices like M&T series routers, EX, MX and SRX
  • Extensive Arista and Cisco Nexus 3000 low latency systems
  • Experience with managing the completed end to end site solutions
  • Detailed technical knowledge of F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
  • Configured Cisco ASR-9K, ISR 2800 & 3800 series routers with OSPF as an enterprise IGP
  • Implement Cisco IOS Firewall IDS using 2600 series router
  • Worked with installation of Palo Alto firewalls
  • Configuration and Troubleshooting of core, distribution and access switches(Cisco 6500, 3750, 2950 series) in LAN and WAN network, Server Load Balancers such as Cisco CSS and Nortel Alteon webswitch, F5 BigIP, firewalls Checkpoint (Nokia) and Cisco firewalls (PIX and ASA), Juniper Netscreens
  • Upgraded switches with updated Cisco IOS images and perform initial switch configuration including AAA security, generating RSA keys and configuring switch ports for various end devices
  • Redistributing from RIP to OSPF and vice versa by implementing Hub and Spoke topology with a Frame Relay Switch
  • Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
  • Racking, Stacking, configuring, Nexus 5K and 2K and 7K

Confidential, Plano TX

IP Network Engineer

Responsibilities:

  • Deployment/upgrade of network operations supported equipment
  • Configured trunk links and ether channel for port aggregation
  • Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E
  • Configured, supported VLAN and Spanning Tree for network redundancy BIND DNS server update and reboot
  • Managed core network infrastructure of LAN/WAN connectivity, to include: layer 2/3 switching, Cisco routers, Cisco firewalls, Cisco VPN, and Cisco access points, WAN load balancing/high availability
  • Migrated and managed pools and clusters in F5 BIGIP GTM 3DNS load balancers across North American Datacenters
  • Worked in Primary Environment: SRX220, SRX650, SRX3600 and Checkpoint R77
  • Experience with design and implementation of Data center migration.
  • Understanding of Juniper EX/MX/SRX series architectures and JUNOS platform including hands on configuration
  • Successfully engineered a 2-factor VPN using Palo Alto, AD and RSA solutions
  • Configured automated VM migrations using automated scripts in PowerShell
  • Assist customers in troubleshooting Layer 2 & Layer 3 hardware and software related issues
  • Master8.0 Network monitoring tools Ring Master
  • To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
  • Worked on configuring and managing wireless access points of multiple vendors like Cisco, Avaya and Aruba.
  • Service now change management processes to implement changes
  • Provided Level 2 and On-call support for the various AWS failover testing and VPC Troubleshooting.
  • Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review and evaluate current and future design issues as required maintaining network integrity, efficient data flow
  • 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
  • Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
  • Implemented Juniper SRX FW Interface, NAT and VLAN using SPACE
  • Configuring and maintain access points through CISCO 4400 WLAN controller
  • Worked with Cloud team to build the cloud environment
  • Involved in Big-IP F5 load balancing for internet traffic across web servers using I-rules.
  • Creating Wide IPs with various load balancing methods like Global Availability, Topology and Round Robin
  • Involved in troubleshooting of DHCP and other IP conflict problems
  • Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development

Confidential

Network Engineer

Responsibilities:

  • Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience on Cisco OS and IOS on CAT6500 in complex data center environment
  • Robust experience with addressing, sub-netting, routing, switching VLANs, NAT, VPN, 802.1x, VRRP, HSRP, GLBP etc.
  • Designing, Implementing and Troubleshooting Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR
  • Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco 6509, Cisco 9300 and Cisco Catalyst switch series 6500, 4500, 3500, and 2900
  • Implemented a new automation network and provided IP addressing/VLAN layout services for the IA
  • Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, NOKIA Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
  • Coordinate with senior engineers with BGP/OSPF routing policies and designs, worked on implementation.
  • Strategies for the expansion of the MPLS VPN networks
  • Configuring ISIS in L3 switches to support MPLS
  • Involved in the modification and removal (wherever necessary) of BGP from MPLS routers
  • Configuring PAGP and LACP protocol along with BFD link detection protocol
  • Working Knowledge of PPP Protocol with Enhanced Flex WAN module on 6500 catalyst switch
  • Working knowledge of configuring VOICE VLANS on core, Distribution layer switches
  • Configured access ports with Voice VLANS and Service Policy for VOIP Phones
  • Upgrading IOS on 2960 and using 2960 switch as a PAGP between VSS

Confidential

Network Engineer

Responsibilities:

  • Experience in configuring routing protocols like EIGRP, RIPv2, OSPF & BGP and Cisco ACS protocols
  • RADIUS and TACACS+ and providing remote testing support on HDSL, T1 and T3 circuits
  • Designed and implemented a network infrastructure which involve setting up Ethernet backbone, desktop switching, primary remote office DS3/OC3 ATDN peering, VPN tunneling
  • Member of Application Networking Team focused on Network Performance Prediction, WAN optimization.
  • Implementing and maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
  • Enable STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
  • Replace Campus Cisco 6509 End of life hardware with new 4507/4510 devices
  • Analysis and Troubleshooting of network systems that include LAN, WAN, Global Datacenter, F5, Firewall & DNS/DHCP
  • Configured and tested the routing protocols like BGP, EIGRP, OSPF, RIP and switching protocol like STP, VLAN trunking 802.1Q for source and target device of migration
  • Hands on experience on BGP & ISIS routing protocols
  • Done configurations of Ether channel using LACP method
  • Working knowledge of Firewall service module FWSM UPGRADE, FWSM RULEST conversion
  • Converting access-list to Firewall rule sets on FWSM module with 6509-E catalyst switches
  • Involve in setting up Voice VLANs on distribution switches, and configuring access switches ports for IP Phones.
  • Controlling the Datacenter and Lab division for design change.
  • Configuring HSRP between VLANs, configuring Ether-channels, Port Channel on 6500 catalyst switches
  • Experience Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Work with Carrier to test and turn-up circuits
  • Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tuning AS-path
  • Worked on juniper J series j2330, M 320 routers and EX 3200 switches
  • Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000
  • Configuring & Management of VLANs, 802.1q trunks, VTP, security policies
  • Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems
  • Worked on layer 2 protocol such as STP, VTP, RSTP, PVSTP+,MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
  • Experience on troubleshooting of complex BGP and OSPF routing problems. Involved in configuring IP Quality of Service (QoS)

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