Network Engineer Resume
San, JosE
SUMMARY:
- 7+ years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
- Expert 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.
- Hands on experience on Nexus 7000, Nexus 5000 and Nexus 2000 switches
- Net Flow configuration on Nexus 7k platform.
- Strong understanding and experience of Firewall on various platforms.
- Managing and implementing remote firewall for State agencies using NSM, SPACE, SmartDashboard and CSM.
- Configuration of new juniper SRX firewall for remote site implementation.
- Worked closely with the customer to suggest the need of firewall rules, help them design the request.
- Configuration remote access VPN and site - site VPN on Juniper platforms.
- Configuration and troubleshooting on Juniper SRX via Juno space JA2500.
- Design and implement Cisco Unified wireless holistically utilizing WLC's, LAP's, MSE's.
- Strong knowledge of IP-related protocols in the wireless industry, including Diameter, SIP, RTP, TCP/IP, UDP, IPSEC, DNS, and general Routing and Switching protocols.
- Configuration VPN, Firewall rules on SRX series firewalls.
- Configuration, troubleshooting Checkpoint Firewall using R77.
- Configuring Site-Site VPN on Checkpoint Firewall with R77 GAIA.
- Implemented Checkpoint FW Interface, NAT and VLAN using R77 GAIA SmartDashboard.
- Implement & troubleshooting of Juniper switches, routers and Firewalls.
- Responsible for service request tickets generated by the helpdesk in all phase such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
- Developed architecture designs and solution using Cisco Datacentertechnologies (Cisco UCS B and C series, Fabric Interconnect, VmWare,Netapps).
- Hands on Avaya Site Administrator, Media Gateways, Media Servers, AES, Modular Messaging Voice mails, CMS reports.
- Network implementation including turn up, test, commission and configuration of Nortel OC-48 transport nodes, Nortel OC-192, Nortel Optera Metro using DWDM technology.
- Design and implement the Metro SonetDWDM fiber optic network
- Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Advanced knowledge and understanding of Juniper E-Series routing devices.
- Deep understanding of TCP/IP and OSI protocol suit.
- Configuration and implementation of Cisco Firewall PIX/ASA
- Efficient in Routing Protocols and Understanding of OSI model.
- Good concept on subnetting of IPV4 addresses.
- Experienced with various dynamic and static network protocols RIP, OSPF, EIGRP, HSRP, VRRP, BGP, VLAN, Spanning Tree, Frame-relay, MPLS, and IPSec VPN.
- Worked extensively on Cisco Router and Switches.
- Worked closely with application team on troubleshooting the issues.
- Good understanding of security infrastructure including Antivirus, Encryption, DLP, SIM, IDS and IPS
- Hands on experience with packet sniffer, TCP DUMP and wire shark for packet monitoring.
- Configuring & Managing LAN, WAN, VPN and Firewall of Juniper MX,QFX Routers for End Users
- Provided Tier III troubleshooting support, in ACD, Call Recording, CTI, SIP Trunk. Complete familiarity with Avaya CM platform products.
- Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, Checkpoint, IDS/IPS and Palo Alto firewalls.
- Configuring rules and maintaining Palo Alto Firewalls & Analysis of Firewall logs.
- Strong knowledge of CISCO ACE and F5 Load Balancers.
- Hands on Experience testing iRules using Browser (IE), HTTP watch on f5 load balancers.
- Designed and implemented a cloud-based multitenant network Solution based on the flexpod architecture.
- Basic knowledge of VMware NSX.
- Basic knowledge of PaloAlto firewalls and Panorama centralized management
- Strong Knowledge on languages like Perl, Python etc.
- Communicating and managing relationship with external & internal customers and ensuring customer satisfaction of service delivery in accordance to their quality & consistency of State of Work & Service Level Agreements.
- Knowledge in Documenting and preparing the Process related Operational Manuals.
- Ensuring network availability, vendor management, fault management
- Strong general management, negotiation, inter-personal, communication and team building skills.
SKILL:
Cisco Router Platforms: 1700, 2500, 2800, 2600, 3600, 7200series.
Cisco Switch Platforms: 3500, 3600 .3750series 6500, Nexus 1000v, Nexus 2000, Nexus 5000, Nexus 7000,Nexus 9000, MDS 9222i, MDS 9148 .
Servers: UCS B-Series, UCS C-Series, HP DL380 G5, Dell PowerEdge.
Security Protocols: IKE, IPsec, MD5, SHA, RSA, DEC, 3DES, AH, ESP, SSL.
Routing Protocols: MPLS, OSPF, EIGRP, RIP, BGP.
Switching Protocols: VTP, STP, RSTP, VLANs,Vxlan, Ether Channel, HSR, and VRRP.
Protocols: SNMP, HTTP, SSH, Telnet, DHCP, FTP, TFTP.
Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, Ten Gig-Ethernet.
Software: Win 7/Vista/XP/98, Ubuntu, Redhat, Centos, Window 2k8, Window 2k3, IOS, NXOS, IOS- XR, VMWare ESX 4.0, 5.0, 5.1, 5.5, USC Manager, UCS Director, Nagios, Cisco Packet Tracer, Wireshark, GNS3, TCP dump.
Network Controller: Cisco APIC.
PROFESSIONAL EXPERIENCE:
Confidential
Network Engineer
Responsibilities:
- IP Address Management through IP Plan tool
- Creating and maintaining DNS Records in internal and external DNS servers
- Configuring VIPs, Virtual Servers, I-rules, Pool members, Health monitors inload balancer for LTM and GTM Environments
- Renewing the expired Digital certificates and updating it Load balancers
- Cisco ASA, PIX phase out to Palo Alto, Check Point and Juniper replacements.
- Performing and Generating quarterly audit reports for firewalls
- Performing Quarterly SNMP String and password update for Load balancers and firewalls
- Migration of 300+ virtual servers in F5 Load balancer as part of web and application server migration.
- Hands on experience with F5 GTM3600 and LTM1600 configuring device pools, nodes, virtualip's.
- Hands on Experience testing iRules using Browser (IE), HTTP watch on f5 load balancers.
- Managed the F5 BigIP GTM/LTM appliances to include writing iRules and everyday tasks of creating WIP and VIPs.
- Worked on F5 LTM configuring different Load balancing methods like Round Robin, Ratio based Etc.
- Experience working on F5 LTM NATs /SNATs and I Rules.
- Maintenance and troubleshooting of transport and optical fiber terminals Sonet, SDH, DWDM.
- Experience in Diameter peering and routing between the network nodes.
- Evaluating the Cisco UCS B series Cisco Data Centercomponent.
- Configuring RIP, OSPF and Static routing on Juniper M and MX, QFX series Routers.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
- Coordinated and implemented changes for projects LCM server migration & VLAN Optimization.
- Coordinated for wireless activities like NPS cutover, Controller Code upgrade, Access point remediation in Airwave tool
- Maintained Multiple DHCP Servers, Radius Servers and Windows 2008 Domain Controllers.
- Implemented Avaya G450, G350, S8730, S8800, S8300, MMS, Session Border Controllers (SBC), Definity G3, IP Office 500, Avaya Partner.
- Successfully worked in teams to implementing new Avaya media server, gateways, 1608 IP Phones for new sites connected to existing Avaya server networks and IP Phones.
- Managing User accounts in HPNA tool.
- Creating, Managing and maintaining rules to adhere corporate security standards using checkpoint Firewall.
- Coordinating with app owners for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
- Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
- Infrastructure trouble shooting and TCP/IP Protocols Experience
- Maintained a Network with more than 600 Network devices, some 25,000 end hosts, and the other network devices like DHCP, DNS servers, Firewall servers
- Co-ordination with Hardware vendors, software vendors and service Providers
- Helped the Network team to install New switches and routers and configure the IOS according to the requirement
- Included VLAN, OSPF, Subnetting, EIGRP, BGP, VTP, spanning tree, IP Subnetting, Wireless access points
- Assisted in backup, restoring and upgrading the Router and switch IOS
- Attended Team meetings and provided comments on existing network and the recommendations to improve the current network Performance
- Identifying technical problems and debugging hardware and software related to LAN’s/ WAN’s.
Network Engineer
Responsibilities:
- VLAN, RSTP and VSTP layer-2 configuration on switches.
- Configuring Access list, Port-channel and Static routes.
- Configuring and troubleshooting Nat and Pat translations on cisco 2800 and 2900 routes.
- Designed/Implemented IPv6 on Catalyst 6500 platform to test our products compatibility issues on IPv6 protocol.
- Perform daily tasks like creating new VDN’s, vectors, agent-ids, extensions and authcodes in Avaya Site Administrator, sent agent wise call reports to Quality & operations teams using CMS, daily servers backup and maintain all telecom inventory.
- Performed Windows Server 2008 clustering for DHCP Servers, IIS, and Radius Servers.
- Installed and Configured Cisco CSM Load balancer as SLB for various application in backend.
- Designed and implemented a Cisco UCS environment to host the Hertz' Private Cloud infrastructure.
- Implementation, support, and upgrade of Cisco 5508 Controllers and WISM Controllers on 7.x code with MSE utilizing1130, 1140, and 3500 series AP's to support data.
- IP subnetting and VLSM design for LAN network.
- Configuring Vlans and inter-vlan routing.
- Worked on introduced WLAN and Remote Access VPN to increase Productivity.
- Configuration and implementation of access-lists to manipulate data flow
- Configuring SNMP server on Linux to manage cisco Switches, Routers and Power Distribution Unit.
- Installing ESXi on multiple servers using PXE boot server.
- Installing a quardnic on Servers and configured nic teaming to increase the bandwidth.
- Troubleshooting Bash and Perl scripts.
- Performing password recovery on Switch, Routers and Power Distribution Unit and automating them using bash and expect Scripts.
- Upgraded Cisco Routers, Switches and Firewall IOS using TFTP.
- Worked with cisco business unit to understand the lab requirement.
- Attending meetings and technical discussions related to various projects.
Network Intern
Responsibilities:
- DHCP to automatically assign reusable IP addresses to Hosts.
- Involved in Switching technology Administration including creating and managing VLAN, Port Security, Trunking, STP, Inter VLAN routing.
- Configuration and implementation of OSPF, EIGRP and RIP routing protocols.
- Developed an optimum IP addressing Schemes, VLAN table, Network documentation and diagram (Visio).
- Designing Network plan of routing policies with route map, distribution lists, access-list, prefix-list, and named access-list.
- Utilized wireShark and EtherReal as protocol analyzers.
- Configured site to site VPN.
- Increased company’s productivity by reducing network downtime with the help of sharp Troubleshooting skills.