Sr. Network Engineer Resume
Jersey City New, JerseY
SUMMARY
- CCNP certified with 7+ years of Professional experience as Network Engineer in design, deployment, Integration,planning, designing, implementing, troubleshooting, optimizing, and testing of static and dynamic routing protocols such as EIGRP, OSPF, IS - IS, RIP & BGP, ability to interpret and resolve complex route table problems.
- Hands on experience in Cisco Routing and Switching using 3600, 3700, 3800, 5300, 6500, 7200, 7600, Nexus 7k, Nexus 5k, Nexus 2k, ASR 9001, and 1006 series routers.
- Experience in IP multicast, IP Addressing, Subnetting VLSM, Route Summarization, Route Redistribution, Spanning-tree, and OSI models.
- 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 Juniper J (J230), Juniper M (M320), Juniper MX (480/960) series routers and Juniper EX (3200/4200/4500 ) series switches.
- Hands on experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers, Load balancer& Cisco Firewalls.
- Firewalls & Security ASA Firewall (5505/5510), Checkpoint, Cisco ASA, Juniper net screen (500/5200), Juniper SRX (650/3600), Pix (525/535), McAfee Web Gateway, Checkpoint (R62, R65, R70, NGX), Palo Alto, Juniper SRX, Fortigate5000-series.
- Experience on load balancers such as F5 Big-IP LTM, Cisco ACE, Citrix NetScaler by implementing all required policies and to convert teh changes depending on day to day usage
- Responsible for reviewing, monitoring, and troubleshooting Checkpoint, Cisco ASA series, Cisco PIX series Firewalls and VMware administration across global networks.
- Helping Tier I engineers in any of teh issues related to various aspects and concerns.
- Well organized, Self-starter, Quick learner, Self-Motivated, Team player with analytical, technical and communication skills.
- Fast learner with excellent problem-solving capabilities. Adaptable to changing requirements and environment.
TECHNICAL SKILLS
Hardware: Routers: CISCO 1800, 2500, 2600, 2800, 3600, 3800, 7200,7600; ASR (9001, 1006) and CSR series, GSR 12000; Juniper J230, M and MX (480/960) series Switches: CISCO 2900, 3500, 3750, 4000, 4500, 5000, 6500, 7600; Nexus 7010, 5020, 5010, 2248 series; Juniper EX series
Networking Protocols: EIGRP, OSPF, BGP, RIPv2, ISIS, IGRP, CDP, SNMP, NAT, ICMP, TCP/IP, DNS, DHCP, ACL, VoIP, HDLC, PPP, VRRP, SSH, VLSM
Firewalls: CISCO ASA5540X, 5525, 5510, PIX 525, 535, 506E, 515E; Palo Alto; Checkpoint; Juniper SRX (220, 240, 550, 650) series; Juniper SSG, ISG series
Physical Interfaces (LAN): Ethernet, Fast Ethernet, Gigabit Ethernet, Serial, SONET
Load Balancers: CISCO ACE, CISCO CSS, F5 Networks (Big-IP LTM & GTM), A10 Networks (Big-IP LTM), Citrix NetScaler
Network Tools: Wireshark, Ping -Trace route, Network Time Machine, Cisco Works, Cisco Net Flow, SolarWinds Net Flow Traffic Analyzer
Network Simulators: Packet Tracer, GNS3, Putty
OS: CISCO IOS, JUNOS OS, Windows 98/XP/7/8/10, Linux, UNIX, Mac OS X
Office Tools: MS Office (Excel, Word, PowerPoint, Outlook), MS VISIO, MS Project
Servers: FTP, HTTP, LINUX, VMWare, SQL, Blue Coat, Microsoft Virtual Server
Scripting Languages: HTML, XML, CSS
Domain: Banking, Healthcare, Communication, Networking
Programming Languages: C, C++, JAVA
PROFESSIONAL EXPERIENCE
Confidential, Jersey city, New jersey
Sr. Network Engineer
Responsibilities:
- Designed, Installed, and configured LAN, WAN management, Internet and network security and configuration of Cisco Catalyst switches 6500, 4000 and 3750 series and Cisco ASR routers 9001, 1006 according to teh Network Design along with teh Data Center topology.
- Configured OSPF, BGP protocols on Juniper routers (MX960, MX480) and troubleshooting them.
- Responsible for configuring and troubleshooting teh Juniper SRX100 and 110 series, Juniper Net Screen Firewalls like NS50, SSG 550M, SSG520M, ISG 1000, ISG 2000 with Site-Site VPN for client companies.
- Configuration of port channel between core switches and server distribution switches was performed.
- Developed global standards for deployment of blue coat proxy servers to replace teh older net cache deployments.
- Performed Web content filtering, blacklisting, and whitelisting of web URL on blue coat proxy servers.
- Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based autantication.
- Worked on Cisco Secure Access Control Server (ACS) for Windows to autanticate users that connects to a VPN 3000 Concentrator. Router/ Microsoft VPN Server to access certain limited network resources from customer locations.
- Enforced network security to DMZ & external Market Data vendors via Cisco PIX 515 and ASA 5500 series fire wallrules, and NAT.
- Monitored Network on a daily using Net Flow Traffic Analyzer and Wireshark.
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 7010, 5000 series to provide a Flexible Access Solution for a data center access architecture.
- Experience with configuring Virtual Server and Load balancing in F5 NETWORKS BIG IP LTM.
- Worked towards building connectivity to production and disaster recovery servers through F5BigIPLTMloadbalancers.
- Realignment and modification of BGP from teh MPLS routers.
- Upgraded system images on Nexus 5 and 7 multi-layer switchesusing kick start and FTP server.
- Expertise on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
- Worked on troubleshooting network security issues related to Cisco ASA/PIX, Checkpoint firewalls.
- Involved in intrusion detection, threat prevention and information security using IDS/IPS technologies.
- Tuned BGP internal & external peers with manipulation of attributes such as metric, origin, local preference.
- Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
- Enhanced teh network access security & feasibility at a higher end using Cisco ISE implementation.
- Designed L2VPN services and VPN-IPSEC autantication & encryption system.
- Administer and troubleshoot Cisco ACS 4.x and 5.x, CSM, ACE and load-balancers F5.
- Challenging maintenance of day to day management of Cisco Devices, Traffic management and monitoring.
Environment: Cisco 4000, 6500, 3750, ASR 9001, 1006; Juniper MX480, MX960; Juniper SRX100/110; Net screen NS50, SSG 550M, SSG520M, ISG 1000, ISG 2000; DWDM, VPN; VMware, Wireshark, Net Flow Analyzer; Nexus 7010, 5000, 2148; F5 BigIP LTM, MPLS, HTTP, FTP, Cisco ASA/PIX, Cisco ISE, Checkpoint, Cisco ACS, CSM, ACE.
Confidential, charlotte, North Carolina
Network engineer
Responsibilities:
- Responsible for troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN/Hardware, port security and critical network links by coordinating with teh vendor.
- Migrated to Juniper EX series switches from Cisco 3500 series and 6500 series switches.
- Worked primarily as a part of teh security team and daily tasks included firewallrule analysis, rule modification and administration.
- Configured RIP, OSPF and Static routing on Juniper J series (J230) andM series (M320).
- Datacenter build and support.
- Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer.
- Experience configuring Virtual Device Context in Nexus 7010 and Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
- Knowledge of Citrix NetScaler, like creating NetScaler IP addresses, enabling packet forwarding, configuring VMACs and route monitors, configuring load balancing, content switching, some knowledge of FIPS too.
- Migrated from Checkpoint 680 to Juniper SRX 650.
- Experienced network planning and design engineer with expertise in TCP/IP data optimization and F5 Big IP network load balancers to provide efficient switching and routing for local & global traffic.
- Installed and configured four PIX 525 and two ASA 5505 in teh remote access location away from teh central campus.
- Implemented and troubleshot security policies ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, NAT using CLI.
- Worked on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
- Involved in teh redistribution into OSPF on teh core ASA firewall.
- Experience with Virtualization technologies like Installing, Configuring, and administering VMware and managed VMs (virtual server).
- Implemented Zone Based Firewalling and Security Rules on teh Palo Alto Firewall.
- Worked with Network Security team for testing of Palo Alto firewall.
- Implemented Positive Enforcement Model with teh halp of Palo Alto Networks.
- Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
- Experience on HSRP for load balancing.
- Experience with Synchronous Optical Networking (SONET) over optical fiber.
- Expertise in document creation with technical configurations, billing, security standards design and network documentation using MS Visio.
- Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
Environment: Cisco 3500/6500; Juniper J series(J230), M series (M320), Juniper Ex series, RIP, BGP, OSPF, EIGRP, ASA Firewall, Palo Alto, SONET, HSRP, ACL, IPsec, NAT, dynamic NAT, IPS/IDS, Linux, MS Visio, PIX (506/515/525), ASA (5505/5510/5540 ), SRX 650, Checkpoint 680, MPLS, Citrix NetScaler, VMware, port security RJ-45.
Confidential, Milpitas, California
Network Engineer
Responsibilities:
- Configuring, managing, and troubleshooting networks using routing protocols like BGP, RIP, EIGRP and OSPF (Single Area and Multi Area).
- High availability - HSRP, VRRP, ether channel creation on Cisco, switches, and routers.
- Worked on Nexus 7010, 5020, 2148, 2248 devices and GSR 12000.
- Install and manage CiscoASA firewall, ASR routers as part of new circuit deployment.
- Primary responsibilities include but not limited to design, implementation and troubleshooting of all LAN/WAN solutions offered by LAN/WAN Professional
- Implementation of HSRP, VRRP for Default Gateway Redundancy.
- Expertise in creating groups and pruning traffic flow using VLAN, VTP, ISL, 802.1Q.
- Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
- Configured Frame-relay and PPP encapsulation in various configurations and autantications.
- Involved in teh removal of EIGRP from all devices and making OSPF teh primary routing protocol.
- Configured and resolved various OSPF issues in an OSPF multi area environment.
- Troubleshoot latency and throughput issues on MPLS and Dedicated Internet Access circuits.
- Involved in CiscoIOS XRcode up gradation.
- Configured Palo Alto Firewall Networks (Application and URL filtering, Threat bar, information Filtering).
- Extensive implementation of firewall rules onISG2000,Juniper SRX 5400.
- Worked on various point to point SONET links such as OC3, OC12, STM-1.
- Implemented AP’s using Wireless Protocols like 802.11 (a, b, g) 802.1x, 802.11i.
- Monitored teh network transmission using Cisco Works 2000 and Wireshark, and teh network traffic using F5 BIG-IP LTM (local Traffic Manager).
- Configuring and implementing VPN Tunnels using IPsec encryption standards.
- Involved with a Team to configure voice VLANs and implemented QoS for VOIP.
- Responsible for procurement and installation of Hardware, network drives and other IT infrastructure.
- Weekly and daily meetings with clients to understand their network requirements discuss these with management and come up with an action plan.
- Interacted with different teams - on developing/ implementing teh Onsite Offshore model for 24X7 supports and halped them in debugging various issues.
Environment: Nexus 7010, 5020, 2158, 2248, GSR 12000, VRRP, HSRP, ATM, Frame relay, OSPF, RIP, BGP, EIGRP, VLAN, VPN Tunnels, Palo Alto, SONET, VOIP, Cisco IOS, IPsec, pruning, ISG2000, Juniper SRX5400, Cisco works 2000, Wireshark, MS Visio, Cisco ASA
Confidential
Network support engineer
Responsibilities:
- Worked on Cisco 7500, 7200 series routers and Catalyst switches like 4500,6500,7600
- Transformation of RIP V2 to OSPF, BGP routing protocols and troubleshoot them.
- Configured and tested autantication in OSPF and EIGRP.
- Troubleshooting IOS related bugs based on history and appropriate release notes.
- Troubleshooting complex networks layer 1, 2(frame relay, ATM, Point to Point, ISDN) to layer 3 (routing with MPLS, BGP, EIGRP, OSPF and RIP protocols) technical issues.
- Assist teh certification team and perform configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
- Implementing traffic engineering for Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
- Management, Installation, configuring and troubleshooting of Proxy, DHCP, RAS, VPN and Linux servers.
- Hands on Experience in VLAN and Inter-VLAN routing, redistribution, access-lists and dynamic NAT.
- Configured Access List ACL (Std, Ext, and Named) to allow users all over teh company to access different applications, Internet and compliance to teh security policy and standards.
- Troubleshootnetworkproblems using Packet Analysis tools like Ethereal.
- Experience with spanning tree and Network architecture design which includes dynamic routing, static routing, VLAN setup, traffic splitting.
- Identified and resolved VLAN, VTP, STP, RSTP and IP subnet issues and Troubleshoot connectivity problems using Ping, Trace route.
- Worked on maintenance and troubleshoot of teh network infrastructure.
- Provided assistance to Network Manager and serve as Secondary Network support.
Environment: Cisco 7500,7200, Cisco Catalyst 4500, 6500, 7600; OSPF, EIGRP, RIP, BGP, ATM, Frame relay, MPLS, Fast Ethernet, Gigabit Ethernet, Access List (ACL), Ethereal, VLAN, inter VLAN, VTP, STP, RSTP, IP subnet, Ping, Trace route, ARP, DHCP, RAS, VPN, Linux, MS Office, MS VISIO
Confidential
Network Administrator
Responsibilities:
- Upgraded, configured routers 2800 series, 3620, 3550 and cisco catalyst 4500, 4900 switches.
- Key contributions include IOS upgrade for switches and routers, troubleshooting of complex LAN/WAN infrastructure that include configuring firewall, monitoring traffic using Wireshark monitoring tool.
- Managed and directed voice, data and video communication over 400+ internal users.
- Configured and troubleshot VOIP based phone system
- Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
- Working knowledge in IP Subnetting for Class A, B, and C networks.
- Understanding of routing protocols such as OSPF, RIP, BGP, EIGRP.
- Analyzed and understood teh issues related to DNS, DHCP and other IP conflicts.
- Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.
- Installation and management of 600+ host systems.
- Document preparation of design, security requirements, validation and implementation criteria based on MS Visio and MS Office.
- Configuring Ethernet ports at various levels.
- Provided technical support for Windows 7, 2008, Macintosh OS 9, OS X, and Vista operating systems. Provided LAN / WAN / VLAN support and maintenance.
Environment: Cisco 2800,3620,3550, Cisco Catalyst 4500, 4900; VOIP, OSPF, RIP, EIGRP, BGP, VLSM, DNS, DHCP, Windows, MS Office, MS VISIO, LAN/WAN