• Primary engineer on a managed service contract providing staff augmentation for the City and County of Denver's Technology Services team.• Responsible for design, implementation, and support across route/switch, security, and voice technologies throughout the City's large and complex MPLS network.• Instrumental in the upgrade of the City’s Cisco Unified Communications infrastructure to 10.5.• Venture NOC escalation engineer for customer issues and mentor for junior engineering staff.• Responsible for support and high level changes for Venture’s hosted datacenter.

• Deliver service in response to requests and queries of all major and minor issues impacting client’s business.• Respond to all client email, web portal requests, and phone calls in a timely and professional manner ensuring regular update are provided.• Maintain ownership of assigned requests through resolution, escalating either internally or externally as appropriate.

•Top level support contact for all network related issues for multiple site operating 24x7x365.•Upgrade and migration of voice infrastructure from Cisco CallManager 5.x and Unity 5.x to Communications Manager 9.1 and Unity Connection 9.1. All servers were migrated from MCS platform to Cisco UC on UCS platform running VMware ESXi•Installation and configuration of IM and Presence 9.1 with Jabber for Windows.•Design, planning, and implementation of voice and network infrastructure for numerous sites in order to migrate from legacy PBX, or POTS only infrastructures to centralized Cisco Unified Communications infrastructure.•Planning and migration of core switching at top casino property from EOL Catalyst 4006 to Catalyst 4510 while minimizing downtime to the 24x7 operations.•Design, planning, and implementation of voice and security solution for 20+ small retail locations utilizing Cisco DMVPN, zone-based firewall, and AT&T FlexReach for PSTN connectivity. •Migration of wireless network from autonomous to controller based with EAP authentication utilizing Active Directory.

• Customer deployment, support, and upgrades of Cisco voice products including Unified Communication Manger 4.x,5.x,6.x,7.x Unity 4.x,5.x, Meetingplace Express, Contact Center Express.• Cisco security product deployment and support including ASA/PIX, and IOS firewalls, IPSEC and SSL VPN’s, MARS.• Infrastructure deployment and support of routing and switching protocols with Cisco ISR routers and Cisco 6500, 4500, 3K, 2K series switches.• Experience with Cisco datacenter products including WAAS, Nexus 7K, 5K, 2K series switches.• Preformed customer migrations of CallManager 4.x to 5.x/6.x, PIX to ASA migrations, IOS upgrades.• Support of all Metronome internal infrastructure equipment and servers, including, Windows 2003 AD, Exchange 2003, CallManager, Unity, MeetingPlace Express, VMWare, ASA, PIX, Routers, Switches, and employee workstations/laptops.• Presales support including meeting with customers, evaluating needs, and designing solutions.• Creation and verification of supporting sales documents, scope of work, bill of materials, proposed solution diagram (Visio)

• Administration of entire network infrastructure including routers, switches, servers, and desktops throughout the Greater Los Angeles regional offices.• Setup of Cisco 1700 series routers with IOS Firewall, DMZ, IPSEC VPN’s and point-to-point links for interoffice connectivity.• Migration of entire domain from Windows NT 4.0 and Exchange 5.5 to a Windows 2000 Active Directory and Exchange 2000 infrastructure.• Installed and configured antivirus solution covering all servers and desktops, as well as Exchange.

• LAN/WAN design, installation, configuration, integration, administration, support, and troubleshooting.• Setup and configuration of file, print, DNS, DHCP, web, database, email, and terminal servers as well as workstations.• Managed and performed network and desktop migrations, upgrades, and repairs.• Installation and configuration of routers, switches, hubs, firewalls, and other network infrastructure components.• Provided network virus eradication, update design, and deployment services with solutions from Norton, McAfee, and TrendMicro.• Responsible for scheduling of customer projects as well as providing emergency coverage as needed.