SUMMARY:

• Network Engineer with good experience in the industry including expertise in the areas of Network Designing, Routing and Switching technology and DNS/DHCP technology.
• Manage and perform the installation and configuration of Cisco VoIP infrastructures,
• Expert on CUCM, Security, Certificates, Virtualization, and other various technologies
• Performance Management / Troubleshooting, base system Installation, Core OS services of Application layer protocols viz. FTP, SNMP, TELNET, DNS, DHCP, DHCPv6, ICMP, ICMPv6
• Cisco Communications Manager, Cisco Unity Connections, Remote Site, Voice Gateways, Mobile applications, video endpoints, Jabber, etc.
• Application Delivery of mission critical services utilizing F5, Cisco, IBM Data Power, Checkpoint, Juniper, Netscreen, Arista, Cisco Nexus, Avaya, Pro Curve/Aruba Networks, Source Fire IPS.
• Expertise in deployment of switches, hubs, routers, Voice gateways, CUCM clusters, Call Manager Express and Call Manager, alongside Unity Express and Unity.
• Good working knowledge of protocols viz. PPP, HDLC, ISDN, Frame Relay and MPLS
• Worked on troubleshooting customer issues related to MPLS/VPN related issues, Layer1 / Layer2 issues, BGP4 address - family related issues, MP-BGP.
• Experience Aruba wireless access points and controllers, Deployed Cisco 2500 and 5800 Series Wireless Controllers and 1xxx and 2xxx series Access Points
• Excessive experience in Configuring and troubleshooting remote access and site-to-site IPSec VPN, IPv6 transition techniques viz. Manual tunnelling, GRE tunnelling, 6to4 tunnelling, NAT64.
• Hands on experience with Troubleshooting of SVI, Inter-VLAN routing, VTP, DTP, STP, PVST+, RSTP, ARP, RARP, HSRP, Switch Port Security, Trunk, Ether-channel
• Installing and configuring Cisco Security Manager in the server and adding firewall modules to the manager.
• Firewall raw traffic track/t-shoot using CLI TCPDUMP monitor packet capture and packet analysis with tools like wire shark.
• Having good knowledge on Environmental setups & mega-clusters including virtual and physical setups
• Hands-on experience with Open Systems Interconnection (OSI), TCP/IP, ATM and various Network Management systems.

TECHNICAL SKILLS:

Operating Systems: Windows, Linux, Unix, MacOS

­Routers: Cisco 800, 1900, 2800, 2900 and 3900 Series Integrated Service Routers, Cisco ASR 900, 1000, and 9000 Series Aggregation Services Routers, Juniper CSE2000, Juniper E Series Broadband Services Routers

­Switches: Cisco Catalyst 3750, 4500 E Series, 4500-X Series, and 6500 Series Switches, Nexus 7k, 5k, 2k series switches.

­Networks and Protocols: LAN/WAN, WLAN, TC/ICP, DNS, STP, LACP, NAT, PAT, RIP, EIGRP, OSPF, DHCP, VPN, FTP, TFTP, IPv4, IPv6, VLAN, VTP, VPLS, MPLS, HSRP, ESRP, GLBP, SNMP

Network Management: SNMP, Solarwinds, Cisco Works, HP Open view, Ethereal Sniffer, NXOS, Telnet.

Cisco CallManager (CUCM): 4.x - 10.x Cisco PCD, Unity, UCCE/X, & other Cisco VoIP Technologies

­Software: VMware, Microsoft Outlook, Microsoft Visio, Microsoft Office, IBM Notes, Cisco Security Manager Suite

PROFESSIONAL EXPERIENCE:

Confidential, Phoenix, AZ

Voice Engineer

Responsibilities:

• Installed, Configured and maintained Cisco Call Manager, Unity and related Cisco Unified Communications configurations devices
• Configured and maintained Cisco Call Manager 8.6.2, Unity and related Cisco Unified Communications Configurations
• Installed and configured Cisco IP Phone 794x, 796x, 7937, 7841, 8831, 8841, Jabber and IP Communicator
• Closely Worked with Cisco Call Manager v.4.1. 4.2 6.x CUCM and Unity, Call Manager, (CERA).
• Troubleshooting of LAN, WAN, WLAN & VoIP networking issues using Wireshark, Netflow, Syslog and other advanced tools and methodologies
• Demonstrated leadership skills by assisting in all stages of the interview process with fraud & provisioning new hire interviews; specifically, my own replacement.
• Implementing VoIP solutions using SIP & H.323, also have sound knowledge of Avaya VoIP products
• SLO office expansion/contraction - Avaya phones with partitioning w/ neighbor EDA
• Diagnostic skill in resolving Windows and Linux. Support TCP/IP and the Internet applications including routed protocols RIP, BGP, OSPF, VOIP with Cisco, Nortel and Avaya phone.
• Installs VoIP telecommunications suite using both Cisco CUCM and Avaya solutions.
• Worked on FTP, HTTP, DNS, servers in window server-client environment with resource allocation to desired virtual LANs of network.
• Maintain and troubleshoot VoIP networks Provide admin and user training for all aspects of Cisco VoIP systems
• Closely monitored all VoIP Devices.
• Knowledge on configuring Aruba Mobility controller, Cisco Prime Infrastructure, WCS/NCS, ISE &MSE.
• Performed Aruba server upgrades to accommodate the newer versions of AOS code. Installed Aruba wireless access points
• Provided VOIP designing, engineering, installation and provisioning for Government and SBS Verizon Business customers worldwide.
• Experience in troubleshoot network issues including boundary protection devices, Cisco Nortel/Avaya and Bluecoat Proxy Servers.
• Executed several implementations of cisco CME and Unity express
• Cisco Catalyst switches 2900XL, 3505, 3800, 4500, 6509, Cisco routers 2600, 2500, 2800, 3900 and 7200.
• Hands on experience in configuring and supporting site-to-site and remote access server, IPSec, VPN solutions using ASA/PIX firewalls, Cisco and VPN client.
• Coordinated with the business to design, enforce and test ICM and CVP call flows.
• Worked with Cisco’s IP telephony and IPCC Contact Center Enterprise.
• Experience in VOIP technologies including servers, networking, TCP/IP, routing protocols, PSTN provisioning and SIP integration.
• Handled SRST, Voice Routing Protocols, QoS and Voice Gateways and even maintained network engineering framework.
• In-depth understanding with network management and support tools (i.e. Solar Winds, Netscout, Cisco Prime, SNMP Management, Syslog, Wireshark).
• Troubleshoot VoIP services such as Cisco Unified CallManager (4.x - 10.x), SIP Proxies, CUBEs, CallManager Express (CME), CUPS (IM&P), & IOS voice Gateways
• Call Flows including 3rd party technologies, UCCX, UCCX, Unity, Recording solutions, CER, Meeting Place, etc.

Confidential, St. Louis, MO

Network System Engineer

Responsibilities:

• Worked on Juniper NetScreen ISG1000, Palo Alto Networks, Infoblox Grid Manager.
• Work with AIC and ONAP developers to understand the current automation framework and identify gaps to develop “one-click” button automation of full stack on bare metal servers and in 3rd party cloud.
• VOIP Design, engineering, installation and provisioning of VoIP deployment for all Department of Justice locations.
• Strong troubleshooting experience with Avaya products such as 8600s/5500s/5600s/4500s
• Analyzed expanding network, support and troubleshoot voice and data networks and platforms for Avaya Unified Communications i.e., AS5300 (all releases), Avaya ERS products, and AvayaAura
• Supervise and provide support for escalation issues on Avaya UC. Train Customers and stakeholders on the Avaya UC platform. Secure the Avaya UC platform to DOD security specs.
• Knowledge of OpenStack services (neutron, keystone, nova, glance, etc.)
• Understanding of feature interactions, Dial Plans, voice protocols of UC, VoIP and legacy TDM services such as ISDN T1/BRI, Analog circuits.
• Provisioning of phone and user profiles, speed dials, name changes with CUCM, and voicemail on Unity Connection
• Programing call routing to multiple clusters through the Cisco SME
• Reviewed and validated understanding of customer design requirements as well as recommended process changes
• Wrote technical documentation on configuring UC features/functions and provisioning guides for CUCM, CUC & ICM
• Maintaining Avaya Modular Messaging and setting up voicemail boxes.
• Ability to communicate with technical and non-technical associates
• Deployed Cisco routers and switches, and administered network monitoring services
• Configured and troubleshoot issues with VLAN, Inter-VLAN routing, NAT/PAT, Access-List, and IOS Firewall.
• Troubleshoot firewall issues through command-line using CLI commands and GUI interface
• Periodic policy review to ensure security policy achieves purpose.
• Configured user authentication rules/policies to permit or deny user traffics on role-based access.
• Monitored, troubleshoot, configured, and deployed LAN/WAN solution.
• Performed installation and upgrade of new network and desktop application software.
• Network Assessment and Documentation (including technical, operational, and economical assessment).
• Remotely connect to end user computer to help troubleshoot network issues and VPN.
• Configured BGP, Frame-Relay, IPsec-VPN, SSL VPN, and routing protocols OSPF, BGP (eBGP & iBGP).
• PC/LAN support in an Ethernet based TCP/IP (DCHP & STATIC IP allocation).

Confidential

System Engineer

Responsibilities:

• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, CAT, Series and Nexus switches.
• Hands On experience with configuration and support of Cisco 19xx, 29xx, 72xx Routers and Cisco 3750, 2960X Switches.
• Installing and configuring Cisco Security Manager in the server and adding firewall modules to the manager.
• Ability to perform deep packet inspection by differentiating packet flow with size, protocols, ports and flags and tweak different countermeasures to stop malicious traffic.
• Configured Cisco 3550 Layer3 Switch and supervised equipment installation work.
• Performing security audits of perimeter routers, identifying missing ACL's
• Testing of VOIP devices - (Lines, Router, Server)
• Monitors, manages, and troubleshoots Cisco CUCM 10.5.2 - 11.5 , and Avaya/Nortel devices (AS5300, CS2100, CM4, CM6 VOIP, Cisco routers, switches, firewalls, etc.)
• Assists in developing and implementing technical operational procedures, standards and templates for Cisco CUCM VoIP deployments to customer sites utilizing ITIL based process and procedures.
• Deployed Avaya IP Office at Espanola Public Schools at 14 school sites and administration in 2017.
• Conducted integration/Migration of Avaya CM and Cisco UCM.
• Move, add, changes of the devices of IP Telephony and VoIP
• Switching related tasks included implementing VLANS, STP and configuring ISL trunk on Fast-Ethernet channel between switches, Configuring CGMP, IGMP and PIM.
• Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP.
• Configuration & Management of VLANs, 802.1q trunks, VTP, Security policies
• Configuring VLANs and implementing inter VLAN routing.
• Hands on experience with Ethernet protocols, network design and switch configuration.