Sr. Network Engineer Resume
SUMMARY
- Network Professional with 8 + years of experience in planning, implementing, configuring, troubleshooting of networking system and infrastructure with multi - vendor platform devices.
- Experience in Physical cabling, IP addressing, Wide Area Network configurations (DMVPN, MPLS), and Routing protocol configurations (EIGRP, OSPF, BGP).
- Experience in layer-3 Routing and layer-2 Switching.
- Strong hands on experience on Cisco Catalyst (3850, 3650, 6500) series Switches, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers, ASA Firewall (5505/5510), Load Balancers using Cisco ACE, F5 LTM/GTM, Security Device Manager (SDM), HP Open View, Solar Winds, Sniffer, Palo Alto Networks Firewall models (PA-2k, PA-3K and PA-5K), Juniper SRX240, SRX 210.
- Build Solar Winds Environment - Primary Server, Site Scope HA servers
- Experience in implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether-channel (LACP), RSTP, PVSTP+ and MST.
- Implementation of HSRP, VRRP for Default Gateway Redundancy.
- Expert level knowledge on OSI model and TCP/IP protocol suite.
- Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
- Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
- Experience in Designing and assisting in deploying enterprise-wide Network Security and High Availability Solutions for ASA.
- Experience in Data Center Design with Cisco Nexus in troubleshooting of DNS, DHCP and other IP conflict problems.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, DMZ zoning configuring VLANs/Routing/NATing with the firewalls as per design.
- Installed and configured Cisco Firewalls ASA NGFW 5500 (5508/5516) Series.
- Experience with Linux Command Line Interfaces for logging into various Linux servers.
- Possess cisco certifications such as Cisco Certified Network Associate (CCNA-R&S) and Cisco Certified Network Professional (CCNP).
- Experience with hardware load balancer administration and support, preferably with F5 and Cisco ACE load Balancers.
- Experience with the conversion of Checkpoint VPN rules over to the Cisco ASA technology.
- Migration experience with both Checkpoint and Cisco ASA VPN.
- Provided administration and support on Bluecoat Proxy for content filtering and internet access between site and VPN client users.
- Proficient in using Solar Winds Network Management tools like Network Performance Monitor (NPM), Net flow Traffic Analyzer, Putty and Cisco Prime Infrastructure.
- Experience in Designing and implementing F5 BIG-IP load balancer.
- Hands on experience in implementation and deploying BIG-IP F5 LTM load balancers for load balancing and network traffic management for business applications.
TECHNICAL SKILLS
Cisco routers: Cisco 1900, 2800, 2900, 3800, 3945, 3600(ISO -Version 12.0, 12.2), ASR 1k
Cisco Switches: Cisco Catalyst 6509, 6513, 3500,5500,5000,2900 (IOS- Version 12.4)
Cisco nexus data center switches: 7000, 5000 (NX- OS version 5.1, 5.2)
Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing
Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing, Multi-Layer Switching, Multicast Operations, Layer 3 Switches, Ether-channels, Transparent Bridging
Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOGNTP, DHCP, CDP, DNS, TFTP and FTP Management
AAA Architecture: TACACS+, RADIUS, Cisco ACS.
Firewall: Checkpoint, Cisco ASA, Cisco PIX, Juniper SRX, Palo Alto
Load Balancer: Cisco CSS, F5 Networks Big-IP, LTM, GTM, ASM, Ax10.
WAN Optimization: Cisco WAAS, PPP Multilink.
Application Software: Packet tracer, wire shark, Solar Winds
Operating Systems: Windows XP/Win 7, Cisco IOS 12.x, 15. X.
Network Management tools: Solar winds (Network Configuration Manager, Network
PROFESSIONAL EXPERIENCE
Confidential
Sr. Network Engineer
Responsibilities:
- Deployed and maintained security/network devices and data centers for Service provider network.
- Involved in the configuration troubleshooting routing protocols like MP-BGP, OSPF, LDP, EIGRP, BGP and MPLS.
- Experience with Installing and troubleshooting Data center migration with 24/7 support.
- Expert in configuring Cisco Routers, Catalyst Switches, Nexus Switches.
- Worked extensively with ASR 9K, Nexus 7000, 5000, 2000, and Cisco 6500, 3560/3750s series multilayer switches.
- Configuring, upgrading and verifying the NX-OS operation system and Translating Cisco IOS Route maps to Cisco IOS XR routing policies Cisco's ASR 9000
- Upgraded from Cisco Catalyst 6500, 3750 to Nexus 5500 & 2000.
- Experienced working on CISCO NEXUS data center infrastructure with 2k, 5k and 7k series switches by enabling networked devices to communicate effectively.
- Perform ISSU upgrade on Nexus 7010 devices by operating the supervisors in active/standby mode on the devices by determining ISSU compatibility.
- Scheduled maintenance of Nexus 2248, 5548 and 7010 switches so that there are no Orphan ports in the network.
- Upgradation of nexus OS from 6.2.2a to a higher version to increase performance and support new features on both N7010.
- Created object, groups, updating access-lists on Checkpoint Firewall, apply static, hide NAT using smart dashboard.
- Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall.
- Assigning RADIUS and TACACS+ for new deployments in production environment. AAA for users to implement changes on production devices. Most of these devices are cisco propriety.
- Successfully configured and maintained Site to Site IPSEC and SSL VPN’s on Palo Alto firewalls.
- Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).
- Deployed Palo Alto Networks PAN-5000 Series
- Provided support for ACI (Application Centric Infrastructure).
- Monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on network optimization
- Monitor performance of network appliances and WAN utilizing using network analyzers like Wireshark and Solar Winds.
- Configured Solar Winds Orion alerts, created and maintained documentation, created and scheduled automated reporting, and customized web consoles and overall design of how the platform is used with the organization to monitor.
- Updated SLA reporting and analysis procedures to correctly utilize Solar winds reporting.
- Day-to-day operations and support of the dual site Orion Solar Winds performance monitoring environment
- Experience with project documentation tools &implementing and maintaining network monitoring systems and experience with developing network design documentation and presenting using VISIO
- Configured Cisco ISE for Wireless and Wired 802.1x Authentication on Cisco Wireless LAN Controllers, Catalyst Switches, and Cisco ASA Firewalls.
- Extensive Knowledge on the implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500/PIX security appliance, Failover DMZ zoning, configuring VLANs/routing/ NATing with the firewalls as per the design.
- Experience in building and configuring VoIP telephony products, and Avaya networking/switching appliances such as the telephony gateways, IP Office Telephony switches, and the enterprise server platforms.
- Deployed, configure and troubleshoot Cisco Unified Call Manager
- Integrate VoIP with PSTN and setup voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting.
- Troubleshooting several scenario based and complex networking as well as VoIP related issues.
- Strong understanding of production traffic manipulation within DMZ's based on Ratio/Round Robin/Topology based load balancing methods.
- Implemented security solutions including interconnectivity DMZ configuration and hardening.
- Managed SSL/TLS protocol, used certificates for Applications.
- Analyzed network solutions includes to Firewalls, DMZ, WAN, LAN, WLAN and VPN environments that allow us to maximize results and throughput.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500.
- Experience with the connectivity of Cisco Networking Equipment with F5 Load Balancer.
- Administering and deployment of servers and services as needed in large WAN.
- Designed application mapping and application delivery using F5 BIG IP LTM. Configured Virtual IPs and servers on F5 and associated pool and pool members to it.
- Installed high availability Big IP F5, configured LTM and GTM Services to provide uninterrupted service to customers.
- Implementing Citrix NetScaler 10 for Networking and Traffic Optimization (CCA) (BETA).
- Working on Cisco Catalyst 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
- Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of OC3 circuits.
- Design and implement Wireless Intrusion Prevention Systems (WIPS) to enforce security policies.
- Installing Cisco Wireless LAN Controllers and Wireless Access Points.
- Access Points; 4400 and 5500 series Wireless LAN controllers; 6500, 3750 Core switch routers; 3560, 3750 series switches.
- Monitor and troubleshoot BGP, EIGRP, IS-IS Routing protocols, and cellular backup circuits via ICMP and SNMP.
Confidential, Los Angeles, CA
Network Engineer
Responsibilities:
- Maintained multiple environments internally for development and Production environment
- Working on hardware and software procurement to setup multiple environments internally and at client datacenter
- Configured and deploying Cisco catalyst 6500, 4500 switches and Cisco 3660 and 7609 series Routers
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASR 5500
- Involved in the troubleshooting aspects of complex network infrastructure using the routing protocols like EIGRP, OSPF & BGP
- Implementation of Access Lists for allowing/blocking desired traffic
- Managed Cisco/Client/Aruba WLAN controllers.
- Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification
- Manage project task to migrate from Cisco ASA firewalls to Check Point firewalls
- Configured and performed troubleshooting on link state protocols like OSPF in single and multiple areas.
- Responsible for Cisco ACI (Application Centric Infrastructure) deployed, monitored, and managed in a way that benefits different teams in the IT organization including SDN Network, Cloud and DevOps, and Security.
- Experienced in migrating Catalyst core switches from 6500 to 6800.
- Design and implementation of multiple Cisco technologies. Cisco ISE, ISR/ASR 4331, 9K Routers, Nexus/Catalyst Switches, Firepower, S2S, ASA Firewalls, Cisco FWSM, VMware/vSphere.
- Configuring, implementing and troubleshooting VLAN's, VTP, STP, Trunking, Ether channels
- Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches
- Configuring and testing Multicast for both IPv4 and IPv6 routing in Data Center Environment
- Installing, configuring Cisco Catalyst switches 6500, 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design
- Configured and deployed Cisco AMP for end points networks and also used with firepower services, provided visibility, detection and Remediation, preventing from malware attacks, control over security breaches.
- Extensive knowledge in implementing and configuring F5 Big-IP Local Traffic Manager 3900, and 6900 Load balancers
- Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority (PKI).
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design
- Troubleshoot issues with network connectivity and issues related to neighbor relationship and peers
- Experience configuring Virtual Device Context in Nexus 7k series switch
- Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.
- Designed, configured, implemented site-site VPN on cisco ASA 5500 firewall
- Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy
- Performed troubleshooting on slow network connectivity issues, routing issues involving EIGRP, BGP and identifying the root cause of the issues
- Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multilayers Switching
- Configuration and troubleshooting of many link types i.e. SONET Controllers for sub E1/T1, E3/T3 and POS controllers for STM1 links
- Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support of 24*7
- Configuration the access-list rules, network object-service group based on well-known port the port i.e. FTP/ SFTP, SSH, HTTPS/HTTPS (SSL) and etc.
- Performing network monitoring, providing analysis using various tools like Wire Shark, Solar winds etc.
- Worked on change management documentation of Network infrastructure design using Microsoft Vision.
Confidential
Network Engineer
Responsibilities:
- Design, implement and administer enterprise network infrastructure utilizing cisco routers across locations.
- Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches.
- Coordinated with senior engineers with BGP/OSPF routing policies and designs, worked on implementation Strategies for the expansion of the MPLS VPN networks.
- Experience with design and implementation of Data center migration was involved in Access, Distribution and Core layers.
- Worked on Check Point Security Gateways and Cisco ASA Firewall.
- Firewall Clustering and High Availability Services using Cluster XL on Check Point.
- Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using 6509-V-E catalyst switches.
- Working knowledge with 10 gigabit Supervisor Engine 720 on 6500 catalyst switches.
- Implementing 3750 Rack/Stack switches using Cisco Stack Wise technology.
- Involved in migration of WLAN segment on the LAN Core. Also, involved in configuring wireless VLANS
- Design and implement campus switch network with Cisco Layer 3 switches (3750, 4500 and 6500) in multi Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port deployment.
- Experience in working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a flexible Access Solution for datacenter access architecture.
- Configuring PAGP and LACP protocol along with BFD link detection protocol switches.
- Upgrading IOS on 2960 and using 2960 switch as a PAGP between VSS.
- Involved configuring PPP multilink group, dialer group, PPP authentication protocols like PAP, CHAP
- Working knowledge of configuring VOICE VLANS on core, Distribution layer switches.
- Configured Access ports with Voice VLANS and Service Policy for VOIP Phones.
- Installation of L3 Switching Engine policy Feature Card.
- Converting access-lists to Firewall rule sets on FWSM module with 6509-E Catalyst switches.
- Converting Cat OS to Cisco IOS Config Conversion on distribution layer switches.
Confidential
Jr Network Engineer
Responsibilities:
- Responsible for level 2 support of existing network technologies / services & integration of new network technologies / services
- Designed and implemented Cisco 7500, 7200, 6500, 3600, 2600 Series routers in lab environment to reproduce various issues and test fixes for them.
- Configured Ether channels, Trunks, VLAN’s, HSRP in a LAN environment.
- Implemented route redistribution between OSPF and EIGRP
- Configured STP for loop prevention and VTP for Inter-VLAN Routing
- Configured Access List (Standard, Extended, and Named) to allow users all over the Company to access different applications and blocking others.
- Configured VLANs with 802.1Q Tagging according to the Server team’s requirements
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems
- Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company's policy
- Responsible for cabling and labelling based on day to day requirement and Racking & Stacking of network equipment and make sure that there are no connectivity issues using ping and traceroute
- Provided Helpdesk support that involved identifying and escalating the tickets to specific groups
- Resolving all computer related problems, such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.
- Responsible to select a reliable processor for the system as per the client’s requirement.
