Sr. Network Engineer Resume
Charlotte, NC
Qualification Summary:
- 7 + years of experience in Networking, including hands-on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
- Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
- Experience in testing cisco routers and switches in laboratory and deploy them on site production.
- In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
- Responsible for CheckPoint and Cisco ASA firewall administration across global networks.
- 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.
- 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.
- Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series
- Adept in preparing Technical Documentation and presentations using Microsoft VISIO/Office
- 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.
CORE COMPETENCIES:
Network Configuration:Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation)
Routing Protocols:IGRP, EIGRP, OSPF, BGPv4, MP-BGP
WAN Protocols:HDLC, PPP, MLPPP
Circuit switched WAN:T1/E1 T3/E3/OCX (Channelized, Fractional & full)
Packet Switched WAN:ATM, FRAME RELAY, MPLS VPNs
Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX
Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600
Redundancy and management:HSRP, RPR, NSF/NSR
Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)
Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST
Layer 3 Switching: CEF, MLS, Ether Channel
QOS: CBWFQ, LLQ, WRED, Policing/Shaping.
Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500
Operating Systems: Microsoft XP/Vista/7, UNIX, Linux(Redhat,OpenSuse,Fedora)
Windows Servers 2003/2008, Windows MS-Office
Education & Credentials:
Bachelor of Engineering (B.E.) in Electronics Engineering
CERTIFICATION:
- Cisco Certified Network Associate (CCNA)
- Cisco Certified Network Professional (CCNP)
- Juniper Networks JNCIA
Professional Experience:
Confidential,Charlotte NC April 2012 Present
Sr. network Engineer
Key Responsibilities
- Performing troubleshooting on slow network connectivity issues, routing issues involves OSPF, BGP and identifying the root cause of the issues
- Performed smart hand support through driving to different buildings, identifying the root cause of the hardware issues with switches, routers
- Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc
- Working with Network Design and implementation Team on various projects Across North America and South America
- Configure Corporate , Wireless and Lab Devices which includes Bandwidth Upgrade, Adding New Devices, Decom the Devices, Testing( Pilot )
- Worked on Aruba Wireless LAN Implementation for 11n Infrastructure Across the Corporate Network
- Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues
- Familiar with various MSIT Tools to check Networking Connectivity, Testing, Configuration and Adding or Removal of IP address blocks, Decoming or Adding the Devices
- Deploying and decommissioning the VLANs on core ASR 9K , Nexus 7K, 5K and its downstream devices
- Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, BundleEthernetimplementation on ASR 9K redundant pair
- Deploying and decommissioning the TOR switches and their respective software upgrades
- Performing the ACL requests changes for various clients by collecting source and destination information from them
- Experience in creating MOPS (Method of procedures) and get approved from peers for performing configuration changes
- Created Visio Dean / Visio Documentation to give complete picture of network design for each building
Confidential,Vernon Hills IL Jan 2010 Mar2012
Sr. Network Engineer
Key Responsibilities
- Configuring routing protocolsOSPF, EIGRP,RIP,MPBGP, LDP and BGPV4
- Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
- Switches Replace branch hardware with new 2851 routers and 2960 switches
- Experience working JuniperT-Series, M-Series, MX-Series, J-Series Routers
- Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastucture and its legacy technologies
- Experince in working with cisco Nexus 5000 series switches for data center
- Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links
- Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN
- Plan Design and assist 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, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design
- Worked Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series
- Worked On Unix, linux, Windows Platforms and also involved in capacity planning of Network Maintenance
- Experience with design and implementation of Data center migration at NBC Universal
- Data center migration was involved in Access, Distribution and Core layers
- Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks
- Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM
- Configured various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation
- 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
- Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
- Configuring Vlan’s, VTP’s, enabling trunks between switches
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture
- Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces
- Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors)
- Created MOPS and get approval from peers to perform configuration add/ remove changes
- Performed Configuration on ASR 9K Pairs includes HSRP, BundleEthernet Config, Assigning dhcp profiles
- Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades
- Excellent Troubleshooting Skills and Customer Centric approach
Environment:Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers
Cisco Nexus7K/5K, 2248/3560/5020/6509, Cisco ASA5510, Checkpoint,Aruba Controllers 6000, 3600, 3400,650
Confidential,Fairfield, CA July2009 Dec 2009
Network Engineer
Key Responsibilities
- ConfiguredCIDRIP RIP, PPP, BGP and OSPF routing.
- Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
- Identify, design and implement flexible, responsive, and secure technology services
- Experience with Firewall Administration, Rule Analysis, Rule Modification
- Troubleshoot traffic passing managed firewalls via logs and packet captures
- Configured and resolved various OSPF issues in an OSPF multi area environment.
- Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
- Worked with telecom vendors in regards to network fault isolation.
- Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
- Installed different software on the systems. Install and managing network devices including Hubs, Switches.
- Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
- Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
- Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope
- Configuration and troubleshooting of Cisco catalyst 6509,7613 with supervisor cards.
- Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO
- Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
- Estimated Project costs and created documentation for project funding approvals.
- Planned resources and presented project status to higher management.
- Deployed 7613 as PE and CE router and Configured and troubleshoot the Edge Routers.
- Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
- Created and delivered internal trainings for BGP.
- Configured egress and ingress queues for ISP facing routers using CBWFQ.
- Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
- Ability to analyze, configure and troubleshoot networks
Environment: Cisco 6509/ 3750/3550/3500/2950 switches, Cisco 7200/3845/3600/2800 routers, Checkpoint firewalls(SPLAT), Net Flow,TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Fluke and Sniffer.
Confidential, India Aug2006 April2009
Network Engineer
Key Responsibilities
- Managed LDP label limit constraints on smaller routers such as 7500 by deploying LDP filters.
- Worked on engine 3 line cards such as E3 16 port OC3, E3 OC48c and Channelized E3OC48.
- Engaged Network Operations on troubleshooting and root cause analysis on Minor, Major network problems
- Implemented BGP capabilities like ORF, Route refresh and Extended communities, for various customers.
- Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
- Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
- Configured firewall filters, routing instances, policy options, on Juniper m320 an d T640
- Migrated some of our routers end routers M320 as RR
- Performed RE, SIB, Fabric on various platforms like 12 k series and Juniper and t640 routers
- Configured all devices for remote sites/plants, vendors and added new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
- Created load balancing policies using BGP attributes such as Local Preference, AS-Path, MED, Community etc.
- Validate existing infrastructure and recommend new network designs.
- Created scripts to monitor CPU/Memory on various low end routers in the network.
- Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
- Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.
- Worked on various point to point SONET links such as OC3, OC12, and STM-1.
- Worked on Channelized T1/T3 & PRI links.
Environment: Cisco 6500/4500 switches and Cisco 7200/7600/12000 routers