Sr. Network Engineer Resume
Pittsburgh, PA
SUMMARY
- Experience in Networking and Security of 8 years, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
- Hands on experience in Cisco IOS/IOS-XR/NX-OS, Juniper JUNOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, BGP v4, MPLS, NAT, VLAN, STP, VTP, HSRP & GLBP.
- Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, and Ether-channel.
- Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Experience in Configuring and implementing VLAN, VTP, LAN switching, STP and 802.x authentication in access layer switches.
- Switching tasks include VTP, ISL/802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
- Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls(SRX240, SRX550)
- Experienced in handling and installing Palo Alto Firewalls
- Experience securing and managing remote access using various VPN technologies like IPSec, SSL, and GRE.
- Working knowledge of network monitoring/management tools like Wireshark, TCPDump, Cisco Prime, Net Flow, PRGT, Solar Winds.
- 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/NAT with the firewalls as per the design.
- Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
- Deployment and maintenance of various routing protocols such as RIP v1/2, EIGRP, OSPF and BGP.
- Thorough understanding of VPN technologies like IPSec, GRE tunneling, MPLS for remote access security.
- Experience deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Experience in managing and migration of large scale enterprise networks, extensive knowledge in developing test plans, procedures and testing various LAN/WAN products and protocols.
- Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.
- Effective team player with an aptitude to learn and ability to prioritize, organize and accomplish multiple tasks, both as part of a team and independently.
- Experience in designing MPLS VPN and QoS for architecture using Cisco multi-layer switches.
- Configuring BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
- Configuring, Administering and troubleshooting the Checkpoint, Palo Alto and ASA firewall.
- Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice & Data Integration techniques.
- Extensive knowledge in developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
- Strong interpersonal, organizational communication, customer service & presentation skills.
- Performed professional level documentation using Visio diagrams.
TECHNICAL SKILLS
LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, Workgroup, Domain, HSRP, DHCP,Static, VLAN, STP, VTP, Ether Channel, Trunks.
WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines
Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, TFTP, LPD/TDP, WLAN, 802.11/802.11 e, WEP, POP3 LADP.
Routed Protocols: TCP/IP, IPX/SPX
Network firewall & VPN: NAT/PAT, VPN, Filtering, Load Balancing, IDS/IPS, IPSec, ACL
Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTP
Network Managements: SNMP, SSH, Telnet, ICMP
IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express.
Comm. Protocols: ARP, Wi-Fi, WiMAX, CDMA, 3G
Operating Systems: Windows Vista/XP/NT/2003, MS DOS, UNIX, Linux
Languages/ Tools: C, C++, PERL Shell Scripting, Assembly 8085 and 8951/2, MIPS.
Firewall& Security: Checkpoint, Palo Alto, Cisco ASA, Juniper SRX.
PROFESSIONAL EXPERIENCE
Confidential, Pittsburgh, PA
Sr. Network Engineer
Responsibilities:
- LAN Refresh activity on various types of switches such as Cisco 3750, 3850.
- Performing IOS Upgrades on Catalyst Switches like 6506E, 6509E.
- Configuration of Routers using different types of protocols.
- Expertise in implementing EIGRP, OSPF, BGP configurations to do implementation mechanisms.
- Installing New Devices in different closets accordingly.
- Involved in the DATA CENTER Implementation techniques and methodologies.
- Deploying and Decommission of the Switches according to the given aspect.
- Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).
- Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/switches/firewalls.
- Configuring the HSRP on the Catalyst Chassis switches.
- Configuring Site-Site VPN on Checkpoint Firewall and Palo Alto firewall.
- Using various types of LAN Concepts likewise Port Channel, Ether Channel, Trunking.
- Adding of the configuration related information to TACACS.
- Experience in L2 & L3 configurations on switches.
- Troubleshooting different types of Network related Tickets which were caused by Physical Layer/Link failover.
- Migration of the configuration in the routers, firewalls.
- Firewall technologies including general configuration, optimization, security policy, rules creation and modification of Palo Alto Firewall
- Using different types of Network Monitoring tools like Solar Winds, Wireshark.
- Involved in the configuration of the Cisco ASA firewalls according to the designed architecture.
- Using AAA authentication techniques for the implementation mechanism.
- Looking after the various types of Fiber to be used on the Switch and Fiber Patch panel side accordingly.
- Performing the STP(Spanning Tree Protocol) related issues on the network.
- Using different types of Network Modules on the Switch side to perform the link up state mechanism.
- Accessing the Small Form Factor Pluggable(SFP) Transceiver on the Distribution Switch side such as X2 10 Gig Long Reach Mode(LRM).
- Experience in configuration of the 4500X, 6500 Catalyst Distribution Switches.
- Implementing the Connection steps from the switch side to the Distribution switches.
- To perform different types of the deploying of the VLAN's accordingly of routers.
- Experience in doing the configuration running on both the ends according to the design.
Environment: Cisco 3750X, 3850, 6509E, 6506E, 6504E Switches, Cisco ASA 5580, Cisco 4500XCisco 3845, 7200 Routers. MPLS, Palo Alto, EIGRP, OSPF, Ether Channel, port Channel, Trunking, STP.
Confidential, St. Louis,MO
Sr. Network Engineer
Responsibilities:
- Configured Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000 series switches and Cisco 2600, 2800, 3600, 3800, 7200, 7600 series routers.
- Configured Virtual Local Area Networks(VLANS) using Cisco routers and multi-layer Switches and also supported STP, RSTP, PVST, and RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
- Worked on ASR 1000 series routers
- Implemented the required IP addressing schemes, LAN/WAN protocols, IP Services, to meet network requirements in different environments.
- Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
- Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability alsoworked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance
- Configured access lists and performed troubleshooting on DNS/DHCP issues within the Local Area Network.
- Worked with complex routed LAN and WAN networks, and prepared technical documentation for the same.
- Performed troubleshooting networktraffic and its diagnosis using various tools like ping, traceroute, Wireshark, TCP dump and Linux operating system servers.
- Configured, Monitored and performed troubleshooting on routing and switching protocols RIP, OSPF, EIGRP, BGP and VLAN.
- Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list..
- Configured, Monitored and performed troubleshooting on Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Managed inventory of all networkhardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
- 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.
- Deployment of enterprise firewalls (Palo Alto Networks, Cisco ASA, Check Point) in production environments.
- Configuring, administering and troubleshooting the Check Point, Palo Alto, Cisco ASA and juniper Firewall.
- Designed and implemented DMZ for Web, Mail & FTP Servers using Cisco ASA5500 Firewalls.
- Responsible for Check Point and Cisco ASA firewall administration across global.
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
- Hands on experience in deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
- Expertise in OSI layer model/TCP/IP.
Environment: CISCO 4500/6500 Switches, Juniper SRX 650, Palo Alto, Cisco ASA 5580.
Confidential, Rochester Hills, MI
Network Engineer
Responsibilities:
- Configuring and resolving various OSPF issues in an OSPF multi area environment.
- Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
- Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
- Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
- Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP etc.
- Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.
- Experience working in Datacenter environment, configuration changes as per the needs of company.
- 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 area and multiple areas.
- Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
- Configuring, implementing and troubleshooting VLAN’s, VTP, STP, Trunking, Ether channels.
- Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
- Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
- Experience in configuring, upgrading and verifying the NX-OS operation system.
- Configured and managed Cisco access layer routers and switches
- Provided support for troubleshooting and resolving customer reported issues
- Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
- Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
- Configured and managed OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding and also configured OSPF over frame relay networks.
- Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
- Implemented site to site VPN in Juniper SRX as per customer.
- Implemented various EX, SRX & J series Juniper devices.
- Implementing and managing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
- Configuring HSRP for network redundancy and High availability.
- Involved in designing of LAN (Ethernet) and WAN infrastructure for the new Data Center Using MS Visio.
- Configuring VPN for site-site and remote access.
- Designing and configuring IP address schemes.
- Maintaining Cisco hardware and Cisco IOS upgrade.
- Configured Cisco 1231 Access points with 5959 and 4941 antennas (802.11/a/g).
- Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
Environment: RIP, OSPF, BGP, EIGRP, VLAN, MPLS, ASA 5500, F5 Load Balancer 6400, STP, RPVST, LAN, WAN and HSRP, Juniper SRX240.Juniper SRX550.
Confidential, Chicago, IL
Network Engineer
Responsibilities:
- Working with Network Design and implementation teams on various projects across North America and South America.
- Experience with design and implementation of Data center migration
- Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
- Experience with manipulating various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
- Building the VPN tunnel and VPN encryption.
- Configured CIDR IP RIP, PPP, BGP, MPLS and OSPF routing.
- Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP Sec VPN tunnels.
- Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
- Deploying and decommissioning Cisco switches and their respective software upgrades.
- Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
- Performing the ACL requests change for various clients by collecting source and destination information from them.
- Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies
- Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.
- Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
- Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
- Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
- Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0.
- Provided proactive threat defense with ASA that stops attacks before they spread through the network.
- Design and Implement DMZ for FTP, Web and Mail Servers with CISCO PIX 506, PIX515
- Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2Bnetwork connectivity.
- To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
- Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
- Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues.
- Performed Break Fix 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.
- Worked with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency, redirection of the URL.
- Created Visio Dean / Visio Documentation to give complete picture of network design for each building.
- Experience in Configuring, upgrading and verifying the NX-OS operating system.
- Managing and supporting Exchange 2007 infrastructure which consists of clustered back-end servers and Front-end servers.
- Have knowledge of Exchange Infrastructure design, planning and implementation of Exchange 2003 and
- Exchange 2007 environments. Experience in planning and designing migration strategy from Exchange 2003 to Exchange 2007.
- Planning and implementing Exchange 2007 CCR, SCR clusters.
- Proficient in installing, configuring, troubleshooting of Exchange Server and clusters
Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA5510, Checkpoint, windows server 2003/2008: F5 BIGIP LTM.,OSPF,EIGRP,RIP,BGP,VLAN,VPN
Confidential
Network Engineer
Responsibilities:
- Performed IOS upgrades on Catalyst 1900, 2900, 3500 series switches and 2500, 2600, 3600 series routers.
- Responsible for maintenance and utilization of VLANs, Spanning-tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
- Implemented and configured routing protocols like EIGRP, OSPF and BGP.
- Connected switches using trunk links and Ether Channel
- Used Network Monitoring tool to manage, monitor and troubleshoot the network.
- Configured Cisco IOS Feature Set, NAT and Simple Network Management Protocol (SNMP) for Network Security implementation.
- Implemented redundant Load balancing technique with Internet applications for switches and routers.
- Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
Confidential
Network Engineer
Responsibilities:
- Experience in Cisco 7200, 7600 routers, Cisco series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
- Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
- Configured the Cisco router as IP Firewall and for NATting.
- Work with Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
- Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
- Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
- Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
- Installed and configured PIX 520, 525, 535 series firewalls, configured standard and extended access-lists and policy- based filters.
- Configured ASA 5510 appliance and VPN.
- Responsible for implementing Qos prioritizing voice traffic over a data.
- Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of T1, T3 & OC3 circuits.
- Troubleshoot TCP/IP problems, troubleshoot connectivity issues.