Sr. Network Engineer Resume
GA
SUMMARY
- Over 8 Years’ experience in networking configuration of Cisco Routers, Switches, Wireless and Firewalls, troubleshooting, troubleshooting network related problems in enterprise environment.
- Experience in Cisco IOS for configuration & troubleshooting of routing protocols: EIGRP, RIP, OSPF, MPLS.
- Excellent knowledge in Routing, Switching, Firewall and Gateway technologies, system design, wireless design, data network design, capacity management and network growth.
- Hands on experience in installing, configuring, maintaining and troubleshooting Cisco Switches, Cisco Routers.
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems
- Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether - channel, Inter Vlan routing, STP, RSTP.
- Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
- Experience in testing cisco routers and switches in laboratory and deploy them on site production.
- Experience in knowledge on OSI model and TCP/IP protocol suite.
- Designed and implementing WAN encryption using GET VPN.
- Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, & configuring VLANs/Routing/NATing with the firewalls as per design.
- Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
- Responsible for Checkpoint and Cisco ASA firewall administration across our global networks.
- Installation, configuration, and management of WAN optimizer, Riverbed Steelhead.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
- Experience in layer-3 Routing and layer-2 Switching.
- Experience in installing and configuring DNS, DHCP server.
- Good Knowledge in troubleshooting issues on NAT.
- In depth understanding of Ipv4 implementation of subnetting
- Experience with GNS 3 and Cisco Packet Tracer.
- Adept in preparing Technical Documentation and presentations using Microsoft Office.
- Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab.
- Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzes results and implement and delivering solutions as an individual and as part of a team.
TECHNICAL SKILLS
Network Configuration: Advanced switch/router configuration (Cisco Ios access list) Route redistribution/propagation).
Routing Protocols: RIPV1, RIPV2, IGRP, EIGRP, OSPF, BGP, Redistribution, Summarization, and Static Routing.
Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600
Cisco Switches: Cisco 2960, Cisco 3560, Cisco 3750, Cisco 6500 series
Cisco Nexus Switches: 9K, 7K, 5K, 2K and 1K
Layer 3 Switching: MLS, Ether Channel
Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST
Physical interfaces: Fast Ethernet, Gigabit Ethernet.
Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500
LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
WAN Technologies: Frame Relay, SD-WAN, ISDN, ATM, MPLS, leased lines & exposure to PPP, HDLC, and CSU/DSU switching protocols: STP, RSTP, VTP, PVST
Gateway Load Balancing: HSRP, VRRP, GLBP, EBGP
Network Management Tools: NetFlow analyzer SNMP, SM, SM9, Traverse, Infoblox.
Facilities: DS0, DS1, DS3, OCX, T1/T3
Firewall & Security: ASA Firewall (5505/5510), Checkpoint, Cisco ASA, Pix (525/53, Checkpoint (R62, R65, R70, NGX), Palo Alto, Cisco ASA 5500-X (Fire power), Pulse secure SSL-VPN, any connect
IPSEC/VPN Configuration: PIX to Router, Router to Router, PIX to VPN wildcard client, Router to VPN wildcard client, PIX to PIX, fully meshed configurations
Cabling: CAT 5, CAT 5e, CAT 6, CAT 6a
Programming Languages: Verilog, VHDL, MATLAB, C, C++.
Operating Systems: UNIX, Linux Windows Servers 2003/2008, Windows MS-Office
PROFESSIONAL EXPERIENCE
Confidential, GA
Sr. Network Engineer
Responsibilities:
- Responsible for support of all data and voice cabling within each branch as well as the support of the routers and switches that are used for communications at each location.
- Responsible for documenting the infrastructure for each location, the Network Engineer develops processes and procedures that will ensure that documentation is up-to-date and accessible.
- I also review the infrastructure at each location to ensure compliance to corporate standards and cost effectiveness
- Responsible for working with customers and vendors on making sound judgments, prioritizing and resolving issues in an appropriate and timely manner.
- Assist network and/or server administrators, desktop support and end users with resolving problems and restoring the system back to a working configuration. Provide the necessary written instructions or revised documentation for problem resolutions.
- Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
- Migration for Frame-Relay/ATM network to MPLS based VPN for customer's WAN infrastructure.
- Analyzing the security of the computer network and administering effective security systems to protect from virus and hackers, Familiarity with the latest hardware and network security technologies
- Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches.
- Perform IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development.
- Installed wireless access points (WAP) at various locations in the company
- Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
- Scopes using Graphical User Interface as well as IBCLI (Infoblox command line interface).
- Worked on Infoblox. Network control with secure DNS, DHCP and IPAM.
- Experience with managing the completed end to end site solutions.
- Worked on integrating existing Layer 2 and Layer-3 networks with ACI.
- Responsible for maintaining network devices, such as Cisco 3750/4500/Nexus 7000/ASR 1000, for multiple locations. Provide Cisco ACS login and logging services.
- Expert level WLAN designs work, being a subject matter expert with 802.11 concepts, and using Air Magnet for predictive design.
- Worked extensively on policy design and implementation for ISE solution various Network infrastructures for successful wireless, extranet and VPN Connectivity.
- Configured and performed software upgrades on Cisco Wireless LAN Controllers 5508 for Wireless Network Access Control integration with Cisco ISE.
- Deployed the Cisco 3500 Access Points using Cisco Wireless controllers 5500 and 2500 and WCS System.
- Assisted lead engineer in implementation of the IWAN (Intelligent WAN - Cisco SD-WAN) and VPN (Secure Transport) for enterprise networks.
- Envision and drove Cisco's SD-WAN (IWAN) and VPN for Enterprise and MSP networks
- Expert level knowledge on configuring Aruba Mobility controller, Airwave, Aruba Clear pass, Cisco Prime Infrastructure,
- Maintain over 400 Aruba Controllers supporting over 15000 Access Points worldwide with a single peak high of 2200 simultaneous users.
- Created policies, procedures, and configuration standards required to meet Payment Card Industry (PCI) Data Security Standards version 3.2. Policies documented include Change Management, Vulnerability Management, Data Retention, Network Security Policy, and Cyber Security Incident Response Policy. Met with stakeholders in different areas of the company to determine procedures needed to meet DSS PCI requirements.
- Hands-on Engineering and implementation of network infrastructure and PCI compliant network equipment.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/Routing/NAT with the firewalls as per design.
Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 ,6500switches and cisco 3640/12000/7200/ 3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP, BMC Track -It
Confidential, NY
Sr. Network Engineer
Responsibilities:
- As successful Network Engineer my Support is responsible for the support of the all physical network system and the hardware used to establish the WAN connectivity at each location.
- Migrating from Dell to Cisco Networks
- Configured inside ACL and interfaces, outside ACL and interfaces.
- Worked on Core switch migration in data center (3650), which supports cloud.
- Experience working on Cisco 3500, 3800, 4500 and 6500 series access layer switches
- Involved in RE-IP project of migrating ports from old vlans to new data and voice vlans.
- Worked on integrating existing Layer 2 and Layer-3 networks with ACI.
- Integrated of layer 4 - 7 services(ASA) with ACI
- Configuring Cisco ASR1k, Cisco Nexus 9K/7K/5K/2K.
- Experience with deploying and managing VMWARE including NSX, vSphere.
- Experience with solar winds network management tool for access and distribution layer of switch
- Worked on access, trunk, HSRP, GRE tunnel migration of all access layer switches throughout Port migration and troubleshooting on Cisco 3500, 3800, 4500, 6500 switches.
- Supporting remotely large environmental various locations.
- Worked on change Management process, SM9. (HP)
- Supported Infobloxappliances grid environment for DNS, DHCP and IP Address Management tools (IPv4), for the State Farm enterprise network.
- Worked on creating and maintaining new subnets, host with several record entries like CNAME, PTR, etc.) with DHCP scopes using Graphical User Interface as well as IBCLI (Infoblox command line interface).
- Worked on Infoblox. Network control with secure DNS, DHCP.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, ISL/ 802.1q, Ether channel, Port Security, STP, RSTP.
- Extensive experience in Layer 3 routing and Layer 2 switching. Experienced dealing with router configurations like 7200, 3800, & 2800 and switches 6500, 4500, 3750, 2900 and 3500XL series.
- In depth understanding of IPV4 and implementation of Sub netting.
- Well Experienced in configuring protocols HSRP, ICMP, PPP, and SNMP.
- Experienced in DNS, DHCP, SMTP, FTP, HTTP and HTTPS.
- ConfiguredCisco ISEfor Domain Integration and Active Directory Integration.
- Responsible for entire LAN and WAN maintenance and troubleshooting of the companynetwork. Involved in the Team of Data Center Level 2 support to perform duties like deployment and troubleshooting of Cisco Routers Switches, Load balancer and Firewalls according to the organization requirements.
- Configure various LAN switches such as CISCO 2900, 3550, 4500, 6509 switches and Access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ethernet Channel configuration.
- Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits. Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and troubleshooting.
- Configuration and troubleshooting of EIGRP, OSPF, BGP.
- Design OSPF areas for reliable Access Distribution and for Core IP Routing.
- Has expertise in LAN/WAN technologies (fast Ethernet, Layer2 & 3 switched/routed LAN, and Frame Relay).
- Configure various LAN switches such as CISCO CAT 2900, 3550, 4500, 6509 switches.
- Configuring access layer switches such as Cisco 4510, 4948, 4507 switches for VLAN, Fast Ether Channel configuration.
Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 , 6500 switches and Cisco 3640/12000/7200/ 3845/3600/ 2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, windows server 2003/2008: RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP.
Confidential, Atlanta, GA
Sr. Network engineer
Responsibilities:
- Configured and deployed VDC and VPC between Nexus 7018 and Nexus 5548 switches along with FEX 2248. Deployed Horizontal connectivity using OTV. Have a good understanding of Fabric Path.
- Proficient hands on experience in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500series and Nexus 2248, 5548 and 7010 switches.
- Involved in the troubleshooting aspects of complex network infrastructure using the routing protocols like EIGRP, BGP.
- Worked on multiple issues like troubleshooting CE side VRFs and routing issues with BGP multi-homing across multiple MPLS Clouds.
- Executes validation for new highly-scalable multi-tenancy SDN network designs including ACI Multi-pod and Multi-site topologies
- Installation, Configuration, and Integration of UCS-B/UCS-C series servers and VMware 5.5/6.0/6.5
- Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers.
- Expertise in Layer-2 Ethernet Switching deployment with technologies like STP, RSTP, PVST, RPVST along with trouble- shooting of inter-VLAN routing and VLAN Trunking using 802.1Q. Hands on troubleshooting experience with First Hop redundancy protocol like HSRP and GLBP.
- Worked extensively on Cisco ASA 5500(5510/5540) and experience with deploying rules to the Cisco ASA solution
- Configured and performed software upgrades on Cisco Wireless LAN Controllers 5508 for Wireless Network Access Control integration withCisco ISE.
- Worked Extensively on Access Control Policies consisting of VLAN switching through SNMP, applying downloadable ACLs throughCisco ISE, and Configuring Standard and Extended ACLs locally and on the upstream switches for Cisco NAC Solution.
- Involved in migration of Cisco Pix firewall to Cisco ASA.
- Cisco Nexus 7000, 5000 series installation and configuration, implementation with Port channel and troubleshooting in a TCP/IP OSPF environment.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
- Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
- Worked on datacenter migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
- Worked extensively on Cisco ASA 5500(5510/5540) Series, experience with convert datacenter PIX rules over to the Cisco ASA solution
- Worked on extensive on Cisco ASA Fire power 5500-X (5506-X, 5506W-X,5508-X and 5516-X)
- Implementation of Site-to-Site VPNs and DMVPN over the internet using IKE Phase 1 and IKE Phase 2 based on traffic with ASA 5500 series Firewalls.
- Involved in the configuration and maintenance of IPSec Site-Site VPN.
- Planned and implemented network designs, including WAN, LAN, MPLS.
- Background in network design, including Wide Area Networking (WAN), Local Area Networking (LAN), Multiple Protocol Labeling Switching (MPLS).
- Cisco ASA security appliances includingSourcefire, Firepower services, and Fire Sight Management Console.
- Configure and Monitor CiscoSourcefireIPS for alerts.
- Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan. IP Allocation for all applications and servers with high availability throughout the company.
- Research and resolve wireless, switching, routing and security issues reported by Cisco Meraki customers and partners
- Used IPSec VPN tunneling to provide access to user machines and partners in another network.
- Involved in designing and commissioning WAN infrastructure for redundancy in case of link failure.
- Responsible for technical evaluation, troubleshooting, overall project management, problem solving and turn-up of the service with the ISP.
Environment: RIP OSPF, BGP, EIGRP, VLAN, MPLS, STP, RPVST, LAN, WAN and HSRP, LAN, WAN, VPN, DNS, DHCP, FTP, HTTP, windows server 2003/2008:
Confidential, Charlotte, NC
Network Engineer
Responsibilities:
- Working in high availability Nexus Environment and provide Level 3 Network Support and config, upgrading and verifying the NX-OS. Experience configuring VDC, VPC in Nexus 7010
- Cisco ASA/Checkpoint 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. Configuration and management of NEXUS network in the existing network infrastructure.
- Created LAB setup with 7k and 5K NEXUS switches for application testing.
- Involved in the deployment of Cisco Nexus 7k, 5k and 2K along with ASR 9K, 6509s (Sup 720), Cisco 4900, 3750, 2960 switches.
- Troubleshoot and Worked with Security issues related to Cisco ASA,andIDS/IPS firewalls
- Perform Wireless Administration and troubleshooting for the corporate Wireless infrastructure.
- Build Logical design and Implementation of Wireless Solution
- ACI VMM integration, Policy-Based Routing, Managed/Non-Managed Service Graph configuration
- Gathers requirements and collaborates directly with Clients and internal business units to ensure successful project delivery
- Responsible forCheckpointand Cisco ASA firewall administration across global networks
- Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits.
- Providing Level 3 Engineering and Support to other internal network engineers and contractors by attending the conference calls.
- Performed OSPF, BGP, DHCP, HSRP, IPV6, and Bundle Ethernet implementation on ASR 9K redundant pair.
- Worked extensively on policy design and implementation forISEsolution various Network infrastructures for successful wireless, extranet and VPN Connectivity.
- Configured 6500, 3750 and 4500 for Network Access Solution integration with Cisco Identity Service Engine on ESX 4.0 VMware and physically withCisco ISE appliances.
- Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
- Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors)
- Excellent Troubleshooting Skills and Customer Centric approach.
- Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
- Managed, operated and analyzed results fromSourcefire(Cisco Firepower)Deep understanding of IDS/IPS such asSourcefireand Foresight.
- Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
- Configuring BGP, MPLS in Cisco IOS XR.
- Configuring Virtual Device Context in Nexus 7010.
Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 /6500 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, Cisco ASA 5500-X fire power Checkpoint, windows server 2003/2008: OSPF, EIGRP, RIP, BGP, VLAN, VPN, Checkpoint.
Confidential
Network Engineer
Responsibilities:
- Understanding project requirements and implementing the projects by gathering requirements from customers.
- Network design and architecture like device planning and capacity planning.
- Configuring Cisco 7600, 7200 series routers with dynamic routing protocols like BGP, OSPF and EIGRP.
- ISP links monitoring and performing changes in the network devices.
- Configuring Cisco 4506, nexus 2K and brocade switch based on customer requirement
- Deployment and troubleshooting with Brocade fabric vision technology
- Configuring ACL s to provide internet access and to advertise in ISP AS numbers.
- Configuring HSRP and VRRP to provide redundancy in the network level.
- Securing network by implementing firewalls and allowing access based on customer requests
- Experience working with Cisco ASA 5585-X firewalls with Firewall rules, IPSEC VPN, NAT, Active-Standby Failover, OSPF and Any Connect VPN technologies
- Experience working with Nexus 7k, 5K, 2K with VPC, VDC, ISSU Software upgrades
- Providing security by configuring three-layer setups in network devices.
- Providing LB servers on application layer on shared devices boarding number of customers.
- Providing WAF services to provide application level security by adding WAF services.
Environment: Cisco 2600 / 2800 / 3600 Cisco 2950 / 2960 series switches, Cisco Routers 7000, 5300, 4000, 2500, 3000, 2600, NAT, DHCP, DNS, OSPF, EIGRP, TCP/IP, LAN, WAN, CISCO.
Confidential
Network Engineer
Responsibilities:
- Created scripts to monitor CPU/Memory on various low-end routers in the network.
- Installed and maintained local printer as well as network printers.
- Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
- Identify, design and implement flexible, responsive, and secure technology services.
- Providing support to networks containing more than 2000 Cisco devices.
- Performing troubleshooting for IOS related bugs by analyzing past history and related notes.
- Carrying out documentation for tracking network issue symptoms and large scale technical escalations.
- Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
- Preparing feasibility report for various upgrades and installations.
- Configured switches with port security and 802.1 xs for enhancing customer’s security.
- Validate existing infrastructure and recommend new network designs.
- Configuring and troubleshooting multi-customer network environment.
- Involved in network monitoring, alarm notification and acknowledgement.
- Implementing new/changing existing data networks for various projects as per the requirement.
- Troubleshooting complex networks layer 1, 2to layer 3 (routing with MPLS, BGP, EIGRP, OSPF protocols) technical issues.
- Handled Tech Support as it relates to LAN & WAN systems.
Environment: Cisco 7609S series routers, Cisco 2900 routers, 6513E switches.