Sr. Network Engineer Resume
Pittsburgh, PA
PROFESSIONAL SUMMARY:
- 7+ years of professional experience in Network Designing, Deployment, Configuring, Troubleshooting and Testing of both Cisco and Juniper Networks.
- Technically proficient in Installation, Configuration in Cisco/Juniper switches, Cisco/Juniper routers, Cisco Access Points, Cisco ASA firewalls, Check Point Firewalls, Palo Alto Firewalls and F5 Load Balancers .
- Experience in the support for TCP/IP devices in LAN/WAN network.
- Excellent working knowledge of TCP/IP protocol suite and OSI layers.
- Experience in IP addressing, sub netting and VLSM .
- Good experience in routing protocols such as RIP, EIGRP, OSPF, BGP,LDP .
- Strong hands on experience in layer - 3 Routing and layer-2 Switching .
- Proficiency in configuring Nexus Switches like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
- Experience in Amazon Web Services (cloud) EC2, S3, EBS and configuring VPC, ELB, DNS
- Configure Cisco ASA, Sonic wall and Juniper firewalls.
- Expertise in implementing switch security and firewalls .
- Hands on experience on all software blades of Checkpoint firewall
- Experienced in the design and security of networks, next generation firewall configuration and vulnerability assessments along with SPLUNK and SIEM Exposure.
- Experience working in Data center environment, configuration changes as per the needs of company.
- Experience in installing and configuring DNS, DHCP server, IPAM- IPv4, IPv6.
- Design and installation of customer and infrastructure wireless networks .
- Expertise in implementing security policies like ACLs, NAT, PAT, IPS, IDS, VPN.
- Good knowledge in Intrusion Detection and Prevention
- Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls.
- Implementation of Fabric Path in the data centres.
- Familiar with SIP standards and integration.
- Implement and manage security policies on Bluecoat proxy .
- Understanding of TACACS and RADIUS in detail.
- Experience in configuring DNS and DHCP server and also troubleshooting them.
- Hands on experiences in Websense, ZScalar Web Security, Checkpoint URL filtering, Palo Alto URL filtering.
- Troubleshoot VOIP network and others operation controller.
- Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
- Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.
- Having experience in Cisco Distributed Fabric Automation (DFA) solution.
- Evaluate vendor products for upgrading the LAN/WAN for a stable wired/wireless network .
- Installation and Administration of Avaya Aura Communication Manager along with Call Center Elite Administration.
- Experience in Network Protocol Testing and analyzing the Signaling of VOIP Protocols H323 and SIP as per standard RFCs .
- Managing company data center and customer environment located over 12 data-centers in USA via monitoring tool ( Nimsoft, CA spectrum )
- Designing, Implementing, Maintaining Virtual Infrastructure Environment using VMware NSX
- Experience in Physical to Virtual (P2V) and Virtual to Virtual conversions by using VMware Converter, Platespin Power convert
- Deployment of lab setup, configuration of switches Avaya Cajun & ERS Switch, Extreme Switch, Cisco 3750 Switch, Cisco Router, HP Switch.
- Troubleshoot end-to-end call flow issues in enterprise market involving various VoIP elements, tested cell phones and submitted trouble reports for bugs and crashes of PTT (VOIP) application tested on cell phone based VoIP.
- Regular work involving building new Linux Physical and Virtual servers using kickstart and PXE boot.
- Installation and troubleshooting on VMware running Linux (RehHat) and Windows (wintel, windows 7, XP, Vista).
- Experience in development and implementation of Access policies for VPN connectivity in F5 APM modules.
- Tested VOIP client builds and compared them against POC Interoperability standards. Checked the client and server logs (SIP and RTP/RTCP messages).
- Provide expert level technical support on the core and access voice platform, SBC's and Media Gateways.
- Adept in preparing Technical Documentation and presentations using Microsoft VISIO/Office
- Able to communicate well and convey information with the team members, and the staff of the organization and also with the other vendors.
TECHNICAL SKILLS:
Domain Area: Network Designing, Network Troubleshooting, Network Security etc.
Networking Equipment: Cisco 2500,2600,2800,3600,3800,7200,7600 series routers, Juniper MX10, MX 40, Cisco 1900,2900, 3500,3750,4900,6500 series catalyst switches, Nexus 1000v/ 2000/3000/5596/7018., Nexus, Brocade and Gigamon switches, Juniper EX 2300, EX 3300, Cisco Aironet 1200/2600/3600, Cisco ASA Firewall 5505, 5506-X, 5512-X, Check Point Firewall GAiA R75.x,77.x, Palo Alto Firewall 7k, 5k series.
Routing Protocols: Static Routing, RIP V1, V2; EIGRP, OSPF, LDP, BGP, MPLS, ACLs, Route Redistribution and Summarization, VRF.
LAN Technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP (CST, PVST, RPVST+, RSTP) LACP,802.1q, ISL, Ether channel, EVPL, HSRP, VRRP, GLBP, Cisco SLB, GSLB, F5 load balancers.
WAN Technologies: 802.11 Standards, TCP/IP, OSI Layer, Fiber Optics, T1/E1, DWDM, OC192.
Cloud: Amazon Web Services
Wireless Network Tools: Airmon-ng
Communication Protocols: Citrix NetScaler, Solarwinds, PRTG Monitor,EM7,NimSoft
Tools: PPP, Frame Relay, SSL, HTTP, MPLS, 802.11
Communication Concepts: VPN, Multicasting, IPSEC VPN, TLS, SSL, STP, VTP, VLAN
VoIP: Asterisk server, SIP, RTP
Monitoring Tools: Zenoss, Netcool, Solarwinds, wireshark
Platforms: Cisco IOS, NX-OSWindows XP, Vista, 7, 8, 10 and LINUX
Applications: MS VISIO, MS Office
PROFESSIONAL EXPERIENCE:
Confidential, Pittsburgh, PA
Sr. Network Engineer
Responsibilities:
- Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured Routing Protocols OSPF,LDP, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches.
- 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.
- Attend and participate in system-level design meetings in order to address testing issues early in the software development process.
- Experience working with Nexus 7010, 5020, 2148, 2248 devices.
- Expertise in network protocols, Firewalls and Communication Network design.
- Certifying products, Substantial lab testing & validation prior to implementation of Nexus 7K, 5K & 2K connecting to blade servers.
- Implemented port aggregation & link negotiation using LACP and PAGP.
- Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
- Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, TFTP, LINUX OS under various LAN and WAN environments.
- Gigamon configuration for map updates on new TAP ports.
- Gigamon OS upgrades from v2.8 to v4.7.
- Proactively manage the corporate network using Cisco Prime, EM7 NMS, Solarwinds NCM & IPAM, and Fluke Truview/Optiview.
- Installed and configured Gigamon Inline tool and place IDS, IPS
- Deployed Gigamon to support Data Center IPS, Application firewall and DDoS.
- I have experience with Extreme PurView, HPE/Aruba switches,Juniper Network switches (QFX/EX Series) as well as a strong background in Cisco (Routing/Switching WAN/LAN).
- Monitoring HP Comware & Procurve Switches, Aruba Instant Access Points, Activate AirWave Network monitoring.
- Developing Call Center Applications with Avaya and Genesys products
- Created Java based GAD / Corel integration with Genesys eServices(Chat and e-mail) Integrated several IVR Systems (Genesys GVP, Avaya Conversant, Periphonics) and VoiceXML based software (Nuance, Voxeo) Utilize ArcSight, WireShark, Intrusion Detection System IDS, and other toolsets to identify and triage anomalies
- Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5585 Firewalls
- Participate in voice design, installation, and maintenance.
- Configured Cisco Routers 2900, Cisco switches SRW 300, 1900, 2900, 3700, 4500, Cisco ASA 5500,HP Procurve, Aruba switches, 3COM switches.
- Configured Ether-Channel to bundle interfaces between the core customer edge routers and the service blocks using LACP and PAGP to increase link capacity.
- Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP .
- Experience in installing and configuring DNS, DHCP servers.
- Responsible for regional network monitoring (nimsoft, Spectrum), analysis, and break-fix management for customer infrastructure.
- Managed security related helpdesk tickets through Nimsoft ticketing system.
- Implemented lead for load balancing solutions on Confidential projects leveraging F5 LTMs & GTMs to improve web application delivery speed and replication through and between distributed global data centers.
- Experience in maintaining VMware ESX /ESXi environment, Microsoft Windows Server, EMC Storage Arrays, Data Center management and day-to-day operations with skill and efficiency.
- Strong experience with the VMware HA ( High Availability ), Distributed Resource Scheduler ( DRS ) and VMware Distributed Power Management ( DPM ), VMware Data recovery and Site Recovery Manager along with configuration of Fault Tolerance ( FT ) for business critical servers.
- Installed and Configured VMware ESXi 5.5, ESXi 5.1, ESXi 4.x, ESX 4.0, ESX 3.5, VMwarevCenter 4.1 on Cisco UCS servers and upgraded to the latest vSphere ESXi 5.x patch.
- Designing, Implementing, Maintaining Virtual Infrastructure Environment using VMware NSX.
- Experience in Physical to Virtual (P2V) and Virtual to Virtual conversions by using VMwareConverter, Platespin Power convert.
- Experience with Web Application Security and Testing.
- Installation and configuration VMware NSX work station and VMware fusion
- Provided Breakthrough Approach to Unifying and Optimizing Access to the Data Center using F5’s BIG-IP Edge Gateway Solution
- Providing remote telephone support to Enterprise and Government entities that use HPE products such as Comware, Procurve and Aruba wireless switches, routers and managed services .
- Configuration/Implementation of Cisco IPSEC Client as RAVPN solution.
- Configuration/Implementation of Cisco AnyConnect as RAVPN for over 2,500 users.
- Configuration/Administration of RAVPN requests for employees, contractors, and vendors on F5 Firepass.
- Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
- Wi-Fi Cisco Access Point and Cisco Wireless LAN Controller configurations.
- Configured switches like Avaya Cajun & ERS Switch, Extreme Switch, Cisco 3750 Switch, Cisco Router, HP Switch.
- Security experience in deploying VPN Solutions like IP Sec (site-site and client-site) & SSL VPN implemented across multiple vendors.
- Responsible for design, staging, configuration, implementation, and support for VoIP installations as necessary.
- Dealt with creating VIP (virtual servers), pools, nodes and applying I Rules for the virtual servers.
- Assist with various duties that will arise including: implementation, configuration, management .
- Rules definition, problem solving, design advice, troubleshooting, updating, maintenance & etc.
- Worked on ACE load balancers .
- Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls.
- Network security including NAT/PAT, ACL, and ASA/PIX Firewalls.
- Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS .
- Utilize ArcSight, WireShark, Intrusion Detection System IDS, and other toolsets to identify and triage anomalies
- Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments.
- Experience working with ARISTA switches like 7100, 7500 for cloud computing, datacenter and low latency networks.
- Experience with MP-BGP and MPLS LDP protocols.
- Implement HSRP on different location of office on the switched network and managing the entire multilayer switched network.
- Experience with setting up MPLS Layer 3 VPN cloud and also working with BGP WAN towards customer.
- Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP .
Work Environment: Cisco routers (7200,3900,2900) and Cisco switches (6500, 3700, 3500),Nexus(7K,5K & 2K), Routing Protocols(EIGRP, OSPF, BGP),Switching protocols(VTP,RSTPSTP,GLBP,HSRP), Cisco PIX(525, 535), ASA(5505, 5510) firewall.
Confidential, Chicago, IL
Sr. Network Engineer
Responsibilities:
- Support to Plan and Execute LAN (VLAN management) and WAN management activity.
- Identifying, resolving and Troubleshooting Tickets related to VLANs, access and Trunk Port Configurations and also upgrading Cisco Routers, Switches and Checkpoint Firewalls.
- Successfully upgraded the Distribution Switches (6500s).
- Network deployment, documentation and support including the following technologies - Routing ( OSPF, BGP & EIGRP), multicast, switching, and L2/L3 technologies .
- Implementation and management of all Openview NNMi and ScienceLogic EM7 servers in a multitier management domain.
- Identifying and troubleshooting incidents incidents related to Routing Protocols such as OSPF,LDP, BGP, and EIGRP .
- Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
- Implemented and maintained Big-IP F5 load balancing solution across multiple data centres.
- Troubleshooting & implementation of Vlan, STP, MSTP, RSTP, PVST, 802.1Q, DTP, HSRP, VRRP, GLBP, LACP, PAGP, AAA, TACACS, RADIUS, MD5, VTP & SVI.
- Do have experience on Configuring NAT onto the Juniper SRX firewalls using Inflobox.
- Experienced in testing using Inflobox, configuring/Troubleshooting routing protocols (EIGRP, OSPF, BGP, and RIP).
- Troubleshoot Network flow and application performance with Wireshark Gigamon and net flow.
- Worked on Automation network, HPE network automation software, VMware network automation.
- Consolidating multiple Linux servers , into 2 physical virtual servers, using vserver.
- Customized patching and maintenance of Linux servers on regular schedule.
- Configured HPE Procurve and 3COM Switches as additions and upgrades to support Data and Wireless VLAN's. (5800, 5500, 3800, 2930)
- Regular work involving building new Linux Physical and Virtual servers using kickstart and PXE boot.
- Installation and troubleshooting on VMware running Linux (RehHat) and Windows (wintel, windows 7, XP, Vista).
- Implementation and configuration of ASA 5520 in failover with site site-to-site VPN and RA VPN, IPS.
- Working on SDN Technology for the Sonus NaasIQ/VellOS Product.
- Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments in data centres .
- Experience in VOIP calling features and highly proficient in SIP call flow scenarios.
- Troubleshooting VoIP protocols SIP, RTP, H.248, H.323, IAX, MGCP.
- Experience in Physical to Virtual (P2V) and Virtual to Virtual conversions by using VMwareConverter, Platespin Power convert.
- Implement ether-channels between each switch using PAgP and LACP for negotiation.
- Designed solutions with Genesys WFM, Genesys Stat Servers, CME, GVP/ Genesys SIP Server 8.1, CCPulse, NICE, Custom Softphone and Call Attached Data.
- Created architecture design for using GVP 8.1 ( Genesys SIP and Genesys Media Servers )
- Installation and configuration VMware NSX work station and VMware fusion
- Hands on experiences in Websense, ZScalar Web Security, Checkpoint URL filtering, Palo Alto URL filtering.
- Strong design knowledge and support of IP-PBX, AVAYA systems, Data, VoIP, Video networks.
- Knowledge of solar winds network management system, Evaluation tool like Inflobox NetmriVoIP technologies, QOS, WAN optimization technologies.
- Providing remote telephone support to Enterprise and Government entities that use HPE products such as Comware, Procurve and Aruba wireless switches, routers and managed services .
- Configuring and Troubleshooting Redundancy Protocols such as HSRP, VRRP, and GLBP .
- Configured IPSEC site to site VPNs and troubleshoot them in case of any issues.
- Experience in configuring ACLS both standard, extended, named and also switch port security.
- Daily administration and maintenance of a large WLAN and its related infrastructure.
- Troubleshooting WLAN connectivity issues using insider, Cisco Aironet utility and spectrum analysis tools.
- Working on complex 802.11 problems requiring in-depth fault analysis, troubleshooting and root cause analysis and resolution.
- Install and Configure BlueCoat ProxySG in the Network for Web Traffic Management and Policy Configuration.
- Migrate designs to Sonus manufacturing processes. Modify design documents to support the Sonus stocking and order fulfillment process.
- Configure Policies on the BlueCoat VPM , Local Database and PAC files to filter the traffic flow by creating Custom rules, URL Categories and Routing Policies.
- Generate network-related reports to analyze and plan network performance improvements.
- Having experience with VPN Contractors.
- Worked on Sevone, Front Range Ticketing system, Infoblox.
- Understanding of TACACS and RADIUS in details.
- Experience with configuration and Troubleshooting of Cisco 7200, 2600, 2500, 7600 series Routers
- Configuring and Troubleshooting Cisco Nexus Switches and Cisco 6500,3700, 3500 series Switches.
- Experience working with Nexus 7010, 5020, 2148, 2248 devices.
- Configuring and troubleshooting Cisco ASA firewalls, Palo Alto and Checkpoint Firewalls .
- Configuring and Troubleshooting of F5 Load balancers .
- Good knowledge on fiber optics and mainly in the field of T1/E1, OC 192, DWDM .
- Implementation of Fabric Path in the data centres.
- Experience in configuring VoIP using asterisk server and SIP protocols are well known.
- Experience with the monitoring tools such as Solar winds, PRTG monitor .
- Successfully implemented VRF technology on Cisco technology.
- Experience with Citrix NetScaler where I configured load balancing, SSL certificate installation, monitoring the network, creating site for web interface.
Work Environment: Cisco Routers (7200, 2600, 2500, 7600) and Cisco Switches (6500, 3700, 3500), Nexus (7k,5k,2k), F5 Load Balancers(LTM, GTM, A10, ASM),ASA (5505, 5510) Firewalls, Routing Protocols(EIGRP, OSPF,BGP),Switching protocols(VTP,STP) Redundancy Protocols (VRRP,GLBP,HSRP),Checkpoint Firewalls and Palo Alto Firewalls,Authentication (RADIUS and TACACS), Security (ACLs,NAT,PAT,IPsec,VPNs), Citrix Netscaler, Network Management Tools (Solar Winds, PRTG Monitor,BlueCoat ProxySG).
Confidential, Providence, RI
Sr. Network Support Engineer
Responsibilities:
- Installation, Configuration and Administration of ADS, DNS, DHCP and Web proxy ( ISA ) server.
- Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
- Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations.
- Installed and configured four PIX525 and two ASA 5520 in customer locations. In addition to that, two PIX firewall configured for the Guest access.
- Experience in migration of Frame-relay based branches to MPLS based technology using Multi-Layer Stackable Switch like 6500 series and 2800 series router.
- Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio .
- Installation and Configuration of Cisco Catalyst switches 6500, 4500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
- Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration.
- Experience working with Network management software NSM .
- Configuration and extension of VLAN from one network segment to other network segment between different vendor switches ( Cisco, Juniper ).
- Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP .
- Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
- Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
- Experience with deploying Fabric Path using Nexus 7000 Devices.
- Experience with configuring FCOE using Cisco Nexus 5548 .
- Working with MPLS Designs from the PE to CE .
- Experience with designing and deployment of MPLS Traffic Engineering.
Work Environment: Cisco Routers series (2800, 3800, 7200) and switch series (2800, 3750, 3550, 4509E, 6509E), Cisco PIX(525, 535), ASA(5520) firewall, Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP), Site to Site VPN, Remote Access VPN, Cisco VPN 3000 Concentrator.
Confidential
Network Engineer
Responsibilities:
- Responsible for configuration, testing, and maintenance of LAN/WAN equipment’s and related services.
- Implemented the use of VLANs, STP, HSRP and OSPF routing to optimize Layer 2 and Layer 3 performance.
- Configured Ether channels between core switches to enhance load balancing.
- Identify, troubleshoot, and resolve LAN/WAN network problems (ISDN, Frame Relay, DDR, DHCP, TCP/IP and a variety of hardware and other networking issues).
- Worked on network load balancers mainly F5, CSS and CSM.
- Maintain and manage NATs, ACLs, routers and various network devices configurations
- Implementing IP Routing protocols BGP, EIGRP, OSPF, SSL, IPSec, MPLS, RIP1, RIP2 and other routed, routing Protocols.
- Create and maintain comprehensive documentation for all implemented networks (Using Visio Software to update client network diagrams).
- Perform hardware and software upgrades to network devices, including Cisco 6500, 3750 and 3560 switches, as well as 7200, 3800 and 2800 series routers.
- Configuring Cisco Wireless Network, switches and hubs in a LAN/WAN environment
- Providing advanced escalation support, including engaging supplier support
- Performance monitoring and tuning.
- Fulfilling service requests for infrastructure services
- Participate in 24x7 on-call rotation
Work Environment: Cisco Catalyst Series Switches, Cisco Series Routers T1, DS3, OC-3, IGX, STP, VTP, OSPF, BGP, HSRP, DNS and DHCP server, firewalls, PIX and F5 load balancers.
Confidential
L1 Technical Support, Senior Associate
Responsibilities:
- Network Administrator responsible for Planning, designing, installation and administration of the Corporate WAN/LAN .
- Providing technical assistance to LAN/WAN management and complex customer issues.
- Configuration and also troubleshooting of Network devices ( Routers, Switches, Servers, DSL Modems etc.) and responsible for connectivity using DSL and T1 Lines.
- Managed IP ACLs and IP configurations.
- Evaluate and monitor inter-connectivity hardware, software and services to fulfill various businesses needs as requirements develop.
- Worked on Link sys wireless access points and on Routers Cisco 2620, Cisco 3750, and Cisco 2950 Switches.
- Documented the design, implementation and troubleshooting procedures.
- Proficiency in Cisco routers, switches and Cisco Layer 2 switching technology, especially VLAN's, trunking and spanning tree.
- Spearheaded meetings with team members regarding network optimization and regarding BGP issues.