SUMMARY

• 7+ years of experience in Network supervision and VoIP Networking products.
• Hands on experience of TCP/IP networking and troubleshooting of static and dynamic routing protocols.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Highly proficient in QA strategies, processes and lifecycle.
• Performed switching technology administration including port aggregation and link negotiation.
• Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic L3 routing protocols such as EIGRP, OSPF, BGP, MPLS, ability to interpret and resolve complex route table problems. worked on implementation strategies for the expansion of the MPLS VPN networks.
• Experience in call routing protocols such as SIP, H - 323, ISDN PRI, FXO, FXS, POTS.
• Strong design knowledge and support of IP-PBX, AVAYA AURA, Contact Centre and systems Data, VoIP, Microsoft UC, Video networks.
• Very versed in implementation, system integration testing, and installation of IP-phones.
• Experience with F5 load balancer configuring, implementing and troubleshooting in the enterprise network.
• Experience with F5 iRules (F5’s TCL scripting language) enabling customization of application load balancing solutions through the control and direct manipulation of the application traffic.
• Experience in managing and configuring F5 Big-IP LTM and GTM devices.
• Experienced in Call center implementation.
• Performed UI, functionality, interruption, forward compatibility, backward compatibility, and memory related testing of mobile applications.
• Good experience in designing a test strategy for the mobile applications
• Extensive experience in working with the developers in fixing the issues by providing the screenshots and log files.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Able to perform call center routing and tunneling.
• Able to analyze SDLC processes for designing.
• Securing FTP server with different protocols.
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Capable to work on Aruba access point & Mobility controller switches.
• Excellent in documentation and updating client’s network documentation using VISIO.

TECHNICAL SKILLS

Cisco router platforms: 2500, 2600, 2800, 3600, 3700, 3800, 7200, 7609, ASR1k.

Cisco Switch platforms: 2900XL, 2950, 2960, 3560, 3750X, 4500, 6500

Firewalls: Cisco PIX 501, 510, SRX 515E, Watch guard, Cisco ASA, CSM, ASDM 5520, 5540,5500-x, Check point,Palo alto.

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, VPN, L2/L3VPN, Filtering, Load Balancing, IDS/IPS, IPsec, ACL

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6, TCP/IP, IPX/SPX

Load Balancer: Cisco ACE load balancer, F5 Networks (Big-IP)

Infrastructure Service: DHCP, DNS, SMTP, POP3, FTP, TFTP

Network Management: SNMP, SSH, Telnet, ICMP, SSL

IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express

Comm. Protocols: ARP, Wi-Fi, WiMAX, 3G

Tools: Wireshark analyzer, Hammer calls analyzer, SIPautohack, ABACUS, 5000, SIPp. Audacity, SBC, ACME PACKET 9200, 4500 EDGEMARKC 4550

Soft Switches/IPPbx: Cisco UCM, Broadsoft, Nortel, Avaya,Sonus, Genband-G6 and Trixbox.

PROFESSIONAL EXPERIENCE

Confidential, Bethlehem, PA

Network Engineer

Responsibilities:

• Experience working with Nexus 7018/7010, 5020, 5548, 2148, 2248 devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Configuring IPSEC VPN on SRX series firewalls.
• Installation and configuration of Palo Alto firewalls.
• Installed new and upgraded Cisco routers 2811, 2921, 3460, 3925.
• Configured and maintained Cisco switches 2950, 3750,6509.
• Provided hands-on support for environment including on-call support for switches, routers and servers. DHCP, DNS to troubleshoot issues.
• Performing the ACL requests changes for various clients by collecting source and destination information from them.
• Determined and resolved all RF issues from clients connectivity issues to wireless controllers malfunctions on two different vendors products Cisco’s and Aruba platforms.
• Implement and configured GLBP (on core switching and also for VPN redundancy), HSRP on different location of office on the switched network and managing the entire multilayer switched network.
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• Implemented Load Balancing solutions on F5 BIG-IP LTM and also implemented interception and redirection of incoming traffic, SSL Certificate based authentication and termination and Compressions and optimizations on HTTP traffic on the same.
• Experience in configuring LB VIPs, content switch VIPs, GSLB VIPs, 301/302 redirects and responder policies using the header values on Citrix Net scaler.
• Deploying and decommissioning the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Perform LAN/WAN connectivity and troubleshoot issues, Manage routing protocols such as BGP,OSPF.
• Experience in Private Branch Exchange (PBX) features.
• Allowing work for Check Point to Cisco ASA 5520 Firewall Configuration Migration Service provides remote configuration migration services to Customer.
• Plan and coordinate projects, develop designs and perform installing new technologies by securing emerging systems.
• Securing FTP servers using different protocols like SSH, SSL/TLS.
• Maintained detailed network documentation and provided technical support as well as on call and after hours support as required.

Confidential, Houston,TX

Network Engineer

Responsibilities:

• Implement approved Network changes in accordance with applicable procedures.
• Involved in troubleshooting LAN/WAN connectivity, hardware issues in the network, IP addressing issues, created a backup and recovery policy for software application, verified the working of peripherals and Updating IOS images using TFTP.
• Creating, adding and deleting new rules and objects on SRX firewalls.
• Troubleshoot PaloAlto firewall platforms.
• Configure routing protocols such as BGP, OSPF, RIPV.
• Being responsible for consulting and technical support Microsoft Windows 7, Microsoft Windows Server 2003/2008 and 2008 R2, Active Directory Domain Controller, Microsoft Exchange 2003/2008/2010 , Linux, Unix, networking, wireless, Catalyst switches, Checkpoint upgrade to R80, Cisco Wireless LAN Controller 4402.
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416, 21418(with PRP and RPR processors).
• Troubleshoot network issues using SRX tracker tool.
• Switched telephone network (PSTN), PPP, ISDN, Frame Relay, TCP/IP, and VPN.
• Configuration and Maintenance of MPLS/VPLS broadband network using Alcatel Broadband Equipment, SR7750 etc.
• Experience with F5 load balancer configuring, implementing and troubleshooting in the enterprise network.
• Perform call routing using IVR systems.
• Configure IP- based PBX telephone systems/services.
• Change Management and troubleshooting on CUBE (CISCO Unified Border Element) and Sonus NGN gateways.
• Troubleshooting over CUCM for VoIP related issues such as calls not maturing, voice quality, call routing and Troubleshooting of IP phones Registration issue.
• Provision Voice lines for the Broad soft, Avaya, Cisco UCM, and Cisco UC500.
• Analyzing and troubleshooting on factors affecting VOIP calling.
• Maintain enterprise multi-site cisco unified enterprise environment.
• Perform AD/LDAP integration and Also perform CUC phone system integration/ VM port analysis.
• Upgrade and support all telecommunication systems related to company network.
• Update documentation of telephone topology.

Confidential, Murysville, PA

Network Test Engineer

Responsibilities:

• Configured ACL to allow/deny various server access for inside/outside users & vendors.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series.
• Performing IPSEC VPN on firewalls. (enterprise level)
• Responsible for service request tickets generated by the helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers. worked on design, installation, configuration and troubleshooting PaloAlto firewall platforms.
• Automation of the SIP, MGCP,H248/MEGACO based call features like Caller ID, Call Transfer, Call Hold, Three Way Calling, SIP 3XX etc
• Move calls from retail IVR to card IVR.
• Testing SIP Trunking solutions using Avaya, Cisco UCM.
• Testing CDRs for various call scenarios such as Call Transfer Attended and Unattended, Call forwarding Busy, Call forwarding No answer, Call forwarding unconditional, Call Hold.
• Setting up the Cisco UCM, Broadsoft and Avaya for interoperability testing.
• Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Capture the SIP, UDP and RTP using the Wireshark network Analyzer, Empirix-Hammer
• Implementation of UC solutions and architecture, delivered to PSTN phones and desktop pc’s.
• Conduct test defect analysis of DOCSIS, PCMM Protocols through SSH, Wire Shark and Aglient test tools.
• Conduct SIP VoIP testing of BCV Features within Cisco BTS and Broadsoft Application CMS
• Manage internal VoIP lab network routing and ensure external connectivity with production environment
• Implementing and maintaining backup schedules as per the company policy.

Confidential

Jr. Network Engineer

Responsibilities:

• Configuring and troubleshooting routing issues related to protocols like RIP, OSPF, BGP.
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Maintaining and providing Level 2 and Level 3 technical supports for all network related issues and providing the requirements of the customer
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Performed basic security audit of perimeter routers, identifying missing ACL’s, writing and applying ACL’s.
• Network tuning and problem isolation, analyzing and correcting network performance issues.
• Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.