Dennis Migardos Email Address

Director of Network Operations

MetTel is a leading global provider of customized, integrated and managed communications solutions for enterprise customers. By converging all communications over a proprietary network, MetTel enables enterprise companies to easily deploy and manage technology-driven voice, data, wireless and cloud solutions globally. With one of the most comprehensive offerings, the highest quality customer care and project management and the ability to help manage, maintain and secure your communications needs, our portfolio of customer-centric solutions boosts enterprise productivity, reduces costs and simplifies operations. Combining customized and managed communication solutions with a powerful platform of cloud-based software, the company's MetTel Portal enables customers to manage their inventory, usage, spend and repairs from one simple, user friendly interface. MetTel was founded in 1996 and is headquartered in New York City.

Director or Network Operations with over 15 years of experience in areas of large scale network architecture and deployment, WAN circuit implementation, routing protocols, switching, load-balancing and firewall solutions including VPN/GRE. I have a solid technical foundation by virtue of starting as a System/Network Administrator and working my way up through the ranks to Director of Network Operations. Specialties: SIP, VOIP, BGP, OSPF, MPLS/VPN, QOS, IPSEC/GRE Operating Systems: Linux / Windows Broadsoft Broadworks Release 8, 11, 14, 16 and 17 SBC: ACME / Genband S3 / Netrake OpenSource: OpenSIP / Asterisk / Apache / MySQL / Radius / Nagios IP Phones: Polycom 335,450,550,650,670,6000,700, VVX300,VVX400,VVX1500 / Cisco 7940, 7960 / ATA 186/188, SPA112 / SPA 122 VMWARE: vCenter / ESXi Cisco Routers: Cisco 1700, 1800, 2600, 2900, 3600, 7200, 7500 and ASR 1000 Series routers Cisco Switches: 1900, 2900, 3700, 6500 Juniper: SSG5 / SSG140 / SSG520 Adtran: Total Access 900, Netvanta 3000 and 4000 series routers Adtran Switches: Netvanta 1000 series switches Adtran WiFi: Bluesocket Appliance, AP 1800, AP 1900 Programing: PHP, SOAP/XML, Broadsoft OCI, shell scripting and SQL Databases: MySQL VPN: IPSEC / GRE T-Berd: FST-2310 Accomplishments include: •Designing and Configuring a nationwide MPLS network. •In my time with MetTel we have grown from providing Dial up service to include in our product sweet. VoIP, FXS, PRI,, MPLS/T1’s, DIA T1’s, DS3’s, Ethernet Products, Backup Solutions etc... •Designed and Configured Broadsoft, Acme Packet and Genband S3 SBC’s for a geographical redundant VOIP network •Designed and Configured a dark fiber ring around NYC using Cisco ONS optical switches •Designed, configured and maintain a Fraud program saving hundreds of thousands of dollars in international fraud charges •Using OpenSource SIP servers I programmed a custom IVR for a nationwide pizza franchise and fitness center •MetTel 2012 Employee of the year.