Senior Network Engineer Resume
Albany, NY
SUMMARY:
- 7+ years of experience in the design, implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems in Branch and Data Center environments.
- Experienced configuring in all Layer 2 technologies like, Virtual Local Area Network (VLAN), VLAN Trunking Protocol (VTP), Dynamic Trunking Protocol (DTP), Spanning Tree Protocol (STP), RSTP, MST and Per VLAN Spanning Tree (PVST).
- Expert noledge of redundancy protocol like HSRP and VRRP.
- Worked on capacity and bandwidth augment like ether channel/port channel/bundling (both L2 and L3) using LACP, GLBP, PAGP.
- Strong noledge of SIP, RTP, Networking and VOIP technologies.
- Troubleshooting VoIP protocols SIP, RTP, RTCP
- Experience wif Checkpoint Firewall policy provisioning
- Experience working wif OTV & FCOE on the nexus between the datacenters
- Implemented traffic filters on CISCO routes using Standard Access List and Extended Access List.
- Network security including NAT/PAT, ACL, VPN Concentrator.
- leading role in the planning and coordinating the resource for the upcomming audio and vedio conferencing project
- Strong noledge on Server, Desktop and Application virtualization.
- Implemented MPLS/VPN services for various customers. Experience in Layer 3 Routing Protocol configurations: RIP, OSPF, BGP, EIGRP and MPLS.
- Experience in Layer 2 routing Protocol Configurations: ARP, RARP, ATM/FRAME RELAY and VPN technologies: IPSec & SSL.
- Hands - on experience wif installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and VMware.
- Experience of of UNIX, SAN, Cisco IOS, Cisco ASA, PIX Firewalls, IDS/IPS, Cisco Unified Communications Manager Express (CUCM) and Unified Call Manager
- Expertise in FC, NFS, CIFS,iSCSIprotocols
- Proficiency in monitoring and analyzing the load balancing ofnetworktraffic using Wireshark and Solarwinds
- Experience in designing and implementing IP addressing including IPv4 and IPv6
- Hands-on experience of working on Layer 2 protocols ARP, RARP, ATM and Frame Relay.
- Configuration and troubleshooting on Juniper EX 4500 and EX8 200 switches.
- Responsible for Cisco ASA firewall administration across our global networks.
- Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS).
- Requirements Analysis, Test Case development, and System testing of VoIP components to identify compliance, performance, and stability issues.
- Great Knowledge of TCP/IP networking, IP subnetting and networking technologies.
- Experienced wif staging, configuring and managing virtual machines (VMs) on ESX infrastructure.
- Experienced in Wireless - 802.11x (Aruba, Merake, Aerohive, Linksys, HP ).
- Experience working wif Juniper JUNOS version 12 and Version 13 for routing and Switching protocols.
- Implemented traffic filters on CISCO routes using Standard Access List and Extended Access List.
- Migrated Juniper SSG firewalls (net screen) to ASA firewalls including policies and NATing for Vendor DMZ.
- Responsible for Cisco ASA firewall administration across our global networks.
- Major responsibility is to design and deploy various network security & high availability products like Cisco ASA other security products.
- Dealt wif Cisco IP phones and VOIP devices and configured Voice VLAN’s for Prioritizing voice on the network and did the documentation accordingly wif changes.
- Designed an End-to-End VPN solution dat would allow End-Users to connect and autanticate to Microsoft
- Extensive experience in handlingnetworkfailure issues. Fast learner wif excellent problem solving capabilities.
TECHNICAL SKILLS
Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series), CSR/ASR & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series)
Juniper Platforms: SRX, MX, EX Series Routers and Switches
Networking Concepts: Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi
Firewall: PIX Firewall (506/515/525/535), ASA Firewall (5505/5510)
Network Tools: IXIA, Spirent- Itest, Netscout, Landslide, JDSU, Breaking Point, HPNA, Solarwinds, NetCool, Cisco Works, HP Open View, Watsup Glod, Wireshark, Etheiral, putty, SecureCRT, Poderosa
Load Balancers: A10 Networks(AX2500),Cisco CSM, F5 Networks (Big-IP)
WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1,DS3,OC3, T1 /T3 & SONET
LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express.
Network Security: Knowledge of Firewalls, Checkpoint NG, ASA, IPsec, IPS/IDS, & VPN, Juniper SRX, ACE Module and F5 Load Balancers
Application Protocols: DHCP, DNS, FTP, TFTP, SNMP, HTTP, FTP, ICMP, SMTP, SSL, IP, IPV6.
Languages: Perl, Python, C, C++, SQL, HTML/DHTML
Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix
PROFESSIONAL EXPERIENCE:
Senior Network Engineer
Confidential, Albany NY
Responsibilities:
- Extensive Working & Troubleshooting Exposure to VOIP Phones, Dial Peers, Dial Plan, DID and other telephony services related to CME.
- Installation ofiSCSI/NAS datacenter
- experience wif Quality of Service deployment in Voice, Data andVideoinfrastructure.
- Extensive Working & Troubleshooting Exposure to CUE Voice Mail System, CUE Scripts and voice mail boxes.
- Installed and maintained CUCM, CUC, CUE, UCCE and UCCX.
- Set up and configure external storage in a network environment utilizingiSCSIwif MPIO or MCS via dedicatediSCSIswitch utilizing LAG's when available from end to end.
- Supported VoIP (Broadsoft, Adtran, Sonus, Unified Communications/Call Manager, trunks, SIP, UDP, RTP,SDP, TLS)
- Integrated VoIP wif PSTN and set up voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting
- Migrated cisco3550 switches to 3750 PoE switches to provide support to Wireless Aps
- Configured and troubleshoot F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability and A10 load balancer based on different load balancing
- Load balanced the HTTP traffic by installing the F5 load balancer and the ACE load balancer
- Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers
- Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
- Support Service Providers and enterprises world-wide in troubleshooting the high End Cisco IOS-XR platforms - ASR9000, CRS, XR12000 and 9000V.
- Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre
- Monitor Arbor Peakflow, Radware, Tipping Point IPS-2400/5100N and Fortinet Security Servers.
- Provided Tier 2 and 3 Support for DNS, DHCP and IPAM (Both Microsoft and INFOBLOX Environments).
- Troubleshooting Cisco hardware including 7600, 7200, 3800, 3600, 2800 & 2600 series Routers
- Worked on Juniper JUNOS operating system and working on M and MX series routers
- Experience working wif Nexus 7010, 5020, 2148, 2248 devices
- Installed new server stack consisting of 14 ESXi servers and 7 NETApp Storage devices, including physically installing and wiring, installing and configuring the operating systems and configuring foriSCSIconnectivity.
- Designed and Implemented Cisco Nexus Platform, Cisco UCS & HP Virtual Connect Flex10
- Upgrading VOIP Call Manager and by implementing Cisco WAAS
- Configure MPLS Layer 3-Virtual Private Networks (VPNs) on the Cisco CRS-1 Routing System
- Worked wif Cisco FirePOWER 7115 and 7125
- Configuring white listed websites in Proxy Server - BLUE COAT
- Checkpoint IP Appliances and SPLAT & Cisco ASA Firewalls
- Drafted and installed Checkpoint Firewall rules and policies.
- Implemented changes to the firewall rule base, network routing tables and ACL to permit only authorized users access to the servers.
- Experience in Configuring, upgrading and verifying the NX-OS operation system
- Responsible for Cisco ASA firewall administration across our networks
- Support customer wif the configuration and maintenance of ASA firewall systems
- Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Configuring IPSEC VPN on SRX series firewalls
- Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
- Configured and designed LAN networks wif Access layer switches such as Cisco 4510, 4948, 4507 switches.
- Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610routers, the Layer 3 switch, 3 Cisco 350XL Switches, Cisco 3524XL switches for load balancing and fail over.
Network Engineer
Confidential, Beaverton,OR
Responsibilities:
- Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
- Designed and Implemented Cisco UCS pods in Nexus 7000 and Cisco 6500 Platform
- Worked wif Cisco Call Manager Express, CUCM and Cisco Unity Express. Also wif CUE Voicemail system and configured VOIP phones in network.
- Configure network access autantication and user access on theVIDEO MANAGEMENT SYSTEM (VMS Server).
- Experience in designing, managing, and implementing complex IPCC and Cisco ICM/UC systems
- Implementing VoIP solutions using SIP & H.323, also has sound noledge of Avaya VoIP products
- Configuration and Administration of Cisco and Juniper Routers and Switches.
- Supported VoIP (Broadsoft, Adtran, Sonus, Unified Communications/Call Manager, trunks, SIP, UDP, RTP,SDP, TLS)
- Converting access-lists to Firewall rule sets on FWSM module wif 6509-E Catalyst switches
- Configuring, implementing and troubleshooting A10 load balancer in the enterprise network
- Configured Firewall logging, DMZs & related security policies & monitoring
- Troubleshoot and maintain of 256SDPRouters and ensure confidentiality, integrity and availability for those networks.
- Setting upVOIPphones in our remote offices and also troubleshooting any issues wif dis technology.
- Working wif F5 Load Balancers for LTM and GTM type load balancing between multiple data centers.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Installing and configuring F5 Load balancers and firewalls wif LAN/WAN configuration
- Worked setting up and configuring PoE switches in satellite Branch offices forVoIPproject.
- Configure and maintain VPN connection (site-to-site, Anyconnect, clientless tunnels).
- Creating dedicated VLANs for Voice & Data wif QoS for prioritizing VOICE over DATA.
- Upgrading and troubleshooting Cisco IOS to the Cisco Switches and routers.
- Configure and troubleshoot Juniper EX series switches and routers.
- Configuring Site to Site to VPN connectivity.
- Worked setting up networked printers andVoIPphones.
- Provide technical support in the implementation, testing and configuration of various network protocols to include: MPLS/VPLS, BGP, OSPF, EIGRP, Spanning-Tree, VRRP/HSRP, VPN, VRF, IPSEC and GRE Tunnels.
- Implementation of HSRP, IPsec, Static Route, IPSEC over GRE, Dynamic routing, DHCP, DNS, FTP.TFTP, RAS
Network Support Engineer
Confidential
Responsibilities:
- Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 9000, CSR-1 series routers and Cisco 2950, 3500, 5000, 6500 Series switches
- Experience in Designing and implementing Cisco UCS.
- Configure the Cisco ICM(Intelligent call Manager) in translating routes and also use Automatic Call Distribution Switch(ACD) like Aspect switches for call routing purpose.
- Configuration 7609, 7606 wif OSPF and catalyst 6505, 4500, 3550 switches wif various VLAN
- Checking and configuring Cisco 7600 routers at data center for remote sites’ issues.
- To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
- Setting up VoIP Phones for the entire office environment.
- Creating Virtual IP address, Pools and Persistence profiles on F5 LTMs
- Worked on Cisco Layer 2 switches (spanning tree, VLAN).
- WAN Infrastructure running OSPF & BGP as core routing protocol.
- Played a supporting role in the expanding the dual band wireless N and 802.1X to all remote sites.
- Enable multicast routing on the Cisco CRS-1 routing system
- Worked on Cisco Layer 2 switches (Spanning Tree, VLAN, QOS)
- Troubleshoot end to end call flow issues in enterprise market involving various VoIP elements.
- Manage internal VoIP lab network routing and ensure external connectivity wif production environment.
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Maintaining & Troubleshooting VOIP server End-Points & Route plans using RSM (Real-Time Session Manager) on Genband server.
- Work on different connection medium like Fibre and Copper Connectivity.
- Installing, Managing &Troubleshooting DHCP issues.
- Configuring and troubleshooting static and dynamic DNS servers.
Technical Support Engineer
Confidential
Responsibilities:
- Configuration of various Cisco Routers & L2/L3 Switches and implementing OSPF and BGP on the routers
- Worked on Cisco ISR’s & CSR, Cisco Switches (Cisco3560, 3850, 3750-X, 4500, 6500 ), Cisco ASA’s, Meraki AP’s
- Provided Load balancing solutions to clients for using F5 Load balancers.
- Troubleshoot and Repair Problems wif Network andVoIPPhones.
- Implemented redundancy in BigIP F5 loads balancers to provide uninterrupted services to clients.
- Configured and edited policies on F5 network access control.
- experience using TCP/IP, DHCP, DNS, Ethernet, Frame Relay, ATM, OSPF,VoIP, BGP and any Network security tools, packet analyzers
- Installed, configured and administered Palo Alto firewalls
- Experience wif Juniper Netscreen 520M Firewall and Palo Alto network firewall
- Implemented various OSPF scenarios on networks consisting of 7600 routers
- Implemented TCP/IP and related services - DHCP/DNS.
- Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP wif 802.1q trunk encapsulation
- Integrated VoIP wif PSTN and set up voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting
- Implemented stub/Totally stub areas. Implemented various OSPF features like route-summarization and SPF throttling
- Used DHCP to automatically assign reusable IP addresses to DHCP clients
- Configured and installed multi-protocol (IP, IPX) multi-interface Cisco router