I established a SIP trunk with Cisco Unified Border Element (CUBE) to field calls from inContact carrier services for our contact center. I integrated our remote VPN with Active Directory using LDAP attribute maps to provide tiered access for employees. I installed and configured Nexus 2248 Fex modules to provide additional ports for our Nexus 5548 switches. I configured Cisco Unity Connection 9.1.2 to generate emails to end users upon receipt of voicemails. I integrated Cisco Unified communications Manager 9.1.2 with Active Directory. I implemented a Cisco VG320 voice gateway for fax termination. I upgraded UCS C220 Firmware from 1.5.4 to 2.0.8d to remediate a memory leak. I built site-to-site VPN tunnels with regional offices and business partners. I upgraded our remote site firewalls from ASA code 7.2 to 9.2.4.5 to remediate an IPSEC exploit. I built a reverse web proxy, using Apache on Server 2012 to allow our business partners to access our Tableau business analytics application.

I designed the network infrastructure for a $50 million public Transit Center in the heart of Rochester, NY, supporting two-way radio communication over IP, VoIP, SAN switching, Wireless, and real-time arrival and departure information and introduced dynamic routing between campuses.I licensed and configured factory shipped Cisco 2504 Wireless LAN controllers. I converted the entire enterprise wireless infrastructure from controller-based, local mode for access points to trunked Cisco FlexConnect mode, alleviating latency issues and maintaining connectivity for associated wireless clients in the event of loss of connectivity to the controller. I installed, licensed and configured Cisco Prime Wireless Infrastructure 2.1. I imported our wireless controllers, AP's and created real-time heat maps in Prime.I oversaw acquisition of Canandaigua regional office, configured their network and brought up a site-to-site IPSEC VPN tunnel between their regional office and headquarters. I configured Cisco Call Manager Express 8.0 for our regional offices.Day to day procedure involves configuring Cisco Unified Communications Manager (Call Manager) 7.1.5, configuring Cisco 7942, 7945, 7965 IP Phones, 7925G Wireless IP phones and Cisco 186 analog telephone adapters, and configuring Gai-Tronics SIP phones for commercial use in public buildings. I've created route patterns, route lists and route groups for varying applications. I've created SIP trunks between CUCM and IVR's as well as Red Box Recording servers. I create and maintain voicemail accounts in Cisco Unity 7.1.5, synchronizing with LDAP as necessary. I configure different sets of UCCX 8.0 scripts for our handicapped and public bus customer call centers. I update applications, prompts and scripts in UCCX. I generate backups of CUCM, Unity, and UCCX in Disaster Recovery. I configured Survivable Remote Site Telephony (SRST) via MGCP on cisco 2921 voice gateway.I also configured MDS 9124 switches for our transit center.

Advertise routes via BGP on internet facing routers and internally advertise intercampus routes on Cisco 3800’s, 2800’s and 6500 cores via redistribution from EIGRP into BGP across carrier managed MPLS network. Manage, configure, maintain and upgrade Cisco 4500’s, 4900M’s, 3750’s, 3560’s and 2960 catalyst switches in data center, sales offices, manufacturing, distribution, customer service, global regional offices, and headquarters. Configure Nexus 5500 series switches and fabric extenders for HP C7000 blade servers. Manage and configure Cisco Wireless LAN Controller’s locally and via WCS and deploy 1142N lightweight wireless access points. Configure and maintain internet facing, DMZ protecting, and VPN providing Cisco ASA firewalls. Extend campus range as needed to employees via Cisco 5505’s and always on remote VPN access. Restrict and monitor internet usage with Blue Coat ProxySG’s, BC Director and BC Reporter. Optimize intercampus communication with Riverbed Steelhead Appliances and Steelhead Mobile for VPN clients. Monitor network performance with SolarWinds Network Performance Monitor and Riverbed Cascade, and perform automated nightly configuration backups with SolarWinds Network Configuration Manager. Configure out-of-band management via Opengear console servers and OpenVPN protected cellular backend capabilities where warranted. Additionally assess power and size out UPS requirements for site build outs.

Monitor network traffic with SolarWinds NMS. Assign switch ports to VLANs and configure trunks between Cisco Catalyst 3500 switches and uplink to Cisco 1700 router and carriers. Monitor interfaces on Cisco 7606 Routers. Provision residential and commercial customers on Genband M6 and BroadWorks VoIP soft-switches and configure carrier routes on Nextone MSX/Genband S3 session border controllers. Set up SIP audio and videophones and digital telephone adapters. Set up Cisco 7960 IP phones with Skinny (SCCP) protocol. Capture SIP and RTP traffic with tethereal and tshark and analyze packets with Wireshark. Resolve internal incidents individually or with team and work with carriers on external incidents.

Analysis of SNMP Traps from Cisco and Internet Security Systems’ Network Intrusion Detection Sensors for evidence of suspicious activity against servers (Windows/Unix) and network routers from internal and external sources. Contacting clients, NOC, system administrators and other parties involved. Verification of patch levels against OS and application layer threats. Level 1 support for Managed Firewall Services. Used Checkpoint Provider One and other Smart Console applications for different management stations to verify if traffic was passing across the firewall and interfaces were up, and referenced the Dashboard to confirm if certain conditions were met in the rulebase to permit or deny specified traffic. Checked PIX interface and failover status. Checked the running configuration files and access lists from the command line to notify a customer why a packet might be forwarded or discarded. Checked the PIX logs on the log servers to verify what traffic was passing.

Provided support for personnel on the Navy Marine Corps Intranet (NMCI). Used remote services with IBM Tivoli and Netmeeting to resolve client computer problems. Remotely managed services on client computers. Configured client exchange settings. Mapped customers to network and added local printers. Used Active Directory for basic profile administration and clearing of print queues. Installed Citrix clients. Configured VPN clients for remote access. Resolved corrupt Symantec Antivirus. Troubleshot daily issues and provided valuable documentation for the online NMCI Knowledge Base.

Level 2 customer callbacks and problem resolutions. Troubleshooting dialup and DSL connections. Configured POP3 and SMTP settings. Subnetting, portforwarding, IP masquerading on business class DSL routers. End client configurations of 3COM, D-Link, and Efficient Networks ADSL modems and routers.