SUMMARY

• Cisco Certified Telecommunications Engineer with over 7+ years of experience in networking technology.
• Over four years of progressive experience in medium and large scale VoIP, LAN/WAN infrastructures.
• Expertise in core tasks such as deployment of CUCM Clusters, Call Manager and Call Manager Express, Cisco UCCX, Unity Express, Cisco Unified Presence (CUPs/IM & Presence) and writing scripts in UCCX.
• Experienced in configuring and troubleshooting Voice Gateways, switches and hubs, as well as the cisco IM and Presence suite of products.
• Extensive experience in core voice routing protocols such as SIP, H.323, MGCP, SRST and Analog (FXO/FXS) Voice protocols.
• Sound Knowledge on routed protocols such as EIGRP, OSPF, IGRP, RIPv1&2 and BGP.
• Applied understanding of Cisco Unified Border Element (CUBE) and SBC’s.
• Hands on Experience in building environments using Route Groups, Route Patterns, Route Lists, Media Resource Groups, Calling Search Spaces, Partition, Dial - peers and Translation rules.
• Excellent interpersonal skills with abilities to perform in a fast paced environment.

TECHNICAL SKILLS

Operating Systems: Linux, Windows 10, 8.1, 7, XP, server 2012 and server 2008

Business Productivity: MS Outlook, OneNote, Publisher, Access, Word, Excel (Advanced User), Tableau and SAS Enterprise Guide.

Cisco Hardware: Routers - 2811, 2951, 2821, 3845, and 4500. Switches - 2800, 2900 series, 3560 and 3750. IP Phones - 99XX, 89XX, 79XX, Cisco Soft Clients, Cisco CTS and Cisco IPC

Cisco UC Software: Unified CM (Call Manager) 4.x - 11.x Unity (Unity Connection and Unity Express) - 9.1 Unified contact center express (UCCX) - 10/10.5Unified Communications Manager IM and Presence Service (CUPS) - 9.0

UC Features: Cisco CME, SIP Gateway and Trunks, CUBE and SBC

Firewall Management: Cisco ASA 5500 series, PaloAlto and Check Point Firewall

Protocols: SCCP, MGCP, H.323, SIP, RTCP, UDP, RTP Codecs and VoIP platforms G.729/G711 and CME, FXS/FXO

Routing and Switching Protocols: OSI, TCP/IP, UDP, TCP, RIP, RIP v2, IGRP, EIGRP, OSPF, STP, VTP, DNS, DHCP,FTP, HTTP(S), SMTP, ACL, NAT, LAN, WAN.

Networking software: Wireshark, Putty, Teraterm, GNS3

Server Maintenance: VMWare ESXi, vSphere Client, TFTP, DHCP, Active Directory

Communication: IM Presence, Micrsoft Lync, Skype for Business and Jabber

Programming: C, VBA, SQL, MATLAB and Python

Environment: CUCM, CME, CUC, UCCE, UCCX, CUPS, SIP, MGCP, H.323, Voice Gateways, Analog gateways, FXS/FXO, VG204, VG224, Dial Plans, POTS lines, Emergency Responder, Call Routing Constructs, Translation Profiles and Documentation.

PROFESSIONAL EXPERIENCE

Confidential, Waterloo, IA

Telecommunications Analyst

Responsibilities:

• Responsible for migrating of Confidential plant facilities form regular PSTN gateways to a centralized SIP solution.
• Deployed hardware, software and necessary models to implement Session Initiation Protocol (SIP) Trunks in 3 major plants in Waterloo/Cedar Falls area.
• Installed and configured Cisco IP Phones 7931, 7937, 7940, 7941, 7965, 7975, 8831, 8841, Cisco IP Communicator and Jabber.
• Configured and maintained Call Manager (CUCM 10.5), Unity Connections (CUC 9.1) and Unified Contact Center (10.0).
• Enabled SRST functionality on remote sites based on their individual requirements.
• Implemented Meeting place server 8.6 and integrated with CUCM through SIP Trunks.
• Worked as an onsite Voice lead for converting Waterloo, Mannheim and Montenegro sites from a legacy PBX system to a Unified Communications platform.
• Set up voice gateways for Confidential supplier sites and connected to multi-cluster Call Managers.
• Developed site specific test plans for changes to be done on Analog gateways, Call Manager and PSTN Gateways.
• Configured SIP on VG204/VG224 gateways and ATP's for different analog devices.
• Sound Knowledge on Session Border Controllers such as CUBE and Acme Packet (Oracle) SBC on ISR 3945.
• Designed and Implemented CME and CUE on smaller Confidential supplier infrastructure.
• Implemented and debugged complex call routes, call flows and gateway topologies.
• Created an enterprise wide dial plan using constructs such as Route Patterns, Route List, Route Groups, Partitions, Calling Search Spaces, PLAR and Single Number Reach.
• Built dedicated VLANs to prioritize plant operations data and voice over other sites.
• Assisted in implementing Cisco Emergency Responder (CER) and helped troubleshoot issues with “911” dialing.
• Established trust boundaries for voice and video traffic and deployed AutoQoS.
• Assisted in enterprise wide network upgrade projects, improved up time and serviceability by identifiying root causes and providing prompt solutions.
• Actively monitored site traffic and network performance using tools such as Cisco Network Assistant.
• Troubleshooted multiple network issues and provided solutiolns to engineers.
• Provided training to an offsite team in India for troubleshooting level 2 issues.
• Acted as an onsite liaison between the business and the upper management for advanced production changes.

Confidential, Boston, MA

Sr. Voice Engineer

Responsibilities:

• Migrated Confidential consumer centers from CUCM 8.6 virtual servers and upgraded them to 9.1.2.
• Configured a Cisco Rack Server 240 M4 using vSphereESXi 5.5 and vSphere client.
• Deployed a multifaceted IP network with Cisco Unified Communications Manager (CUCM 8.6.2), Cisco Unified Contact Center (UCCX 8.5) and Unity Connection (CUC 8.6.2).
• Wrote and maintained creative scripts with sufficient complexity for UCCX.
• Created gateway configurations for Cisco 2911 and 3845 routers with T1 PRI port configurations and analog FXO ports for POTS.
• Added 1200 odd users to the Call manager using Bulk Administration Tool (BAT).
• Installed and configured Cisco 7900 series IP phones and other cisco conference endpoints.
• Simulated lab testing scenarios, failover and backup of call paths using GateKeeper and sonus (SIP).
• Familiarity with Cisco firewalls ASA 5500 series, Palo Alto, Cisco PIX 515 and Checkpoint Firewalls.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, Roaming, IEEE 802.11 a/b/g, Wireless Security Basics, RF spectrum characteristics.
• Used network health monitoring tools such as RTMT (Real Time Monitoring Tool) and Netcool.
• Collaborated with Confidential engineers and Architects to update work order instructions.

Confidential, Glen Allen, VA

Network Engineer II

Responsibilities:

• Contributed to writing business proposals for the procurement of new PSTN circuits T1 CAS/PRI/CCS, E1 R2/PRI, Pots Line and ISDN BRI lines.
• Performed DSP calculations, Transcoding, Call Conferencing, Voice Gateway configuration using MGCP and H.323 gateway protocols.
• Migrated older Cisco CallManager 3.x cluster with Unity 3.x and IPCC 3.x to new Cisco Unified Communications Manager 6.1 cluster and UCCX 5.0. Decommissioned older hardware infrastructure post migration.
• Gained in depth understanding of the Cisco Unified Communication Products: Cisco Contact Center (UCCE) technologies, including centralized ingress, UCCE/UC integration.
• Wrote several custom UCCX scripts in alongside migrating legacy Unity Call Handlers.
• Ability to troubleshoot critical UCCE issues, pull and read logs from server platform and work on legacy scripts.
• Troubleshoot IP phone connectivity issues via Cisco catalyst switches, including cisco wireless phones connected to Cisco Aironet devices. Also, utilized debug commands on Cisco IOS routers to verify ISDN call routing.
• Maintained and supported Cisco Catalyst switches 2960/3750/6500 , x800/x900 ISRs and Nexus 5000
• Set up routing protocols like RIPv2 and OSPF on routers 2600 and 3500 series.
• Configured inbound and outbound ACL's to restrict access to certain users while allowing the authorized users to enter different network domains.

Confidential

Telecommunications Engineer

Responsibilities:

• Designed and implemented 2 major types ISDN accesses: Basic Rate Acceess (BRA) with 2 bearer (64 Kbps)/1 delta (16 Kbps): (2B+D) and Primary Rate Access (PRA) with 30 bearer (64 Kbps)/1 delta channel (Kbps): (30B+D).
• Monitored and helped troubleshoot ISDN subcriber issues of customers calling other analog telephone subscribers internationally.
• Deployed Confidential Voice VPN for small businesses in and around Bangalore area. Set up Short Group Numbers, Multiple Account Codes (MACs) and Dual Invoicing features post installation.
• Collaborated with various networking solution providers to facilitate end-to-end service to dedicated customers including other networking endpoints.
• Set up MPLS based VPN connection from medium/large scale enterprise routers to the Confidential 's edge router.
• Configured Managed Leased Line Network (MLLN) Service for financial and banking clients and their agents.
• Worked on EVDO routers and Broadband Internet Service on FTTH.
• Integrated telephone subscriber owned PABX/EAPBX with the Confidential network.
• Implemented VLAN's and configured ISL trunks between switches.
• Configured Network Address Translations (NAT) policies and Access Control Lists (ACL).
• Set up various Dial plans, Translation rules, Exception listsand and Preferred External Destination (PED) numbers.
• Worked on Alcatel (Nokia) service routers 7340 and 7342 DSLAMS.