SUMMARY:

• Accomplished IT professional with over 25 years of experience in computer operations, systems interoperability and integration, technical troubleshooting, networking and telecommunications.
• Proven expertise in supporting, troubleshooting and resolving hardware, software, and networking issues.
• Demonstrated ability to satisfy end - users through problem analysis and accurate, thorough, timely resolution.
• Recognized as the “go-to-person” for immediate resolution to technical issues.
• Organized take-charge professional with exceptional follow-through abilities and detail orientation, able to plan and oversee projects from conception to successful conclusions.
• Excellent articulation and communication skills, interfacing professionally with upper management, vendors, staff, peers and customers alike. Bilingual proficiency with English & Spanish.
• Strong technical background with a solid history of delivering outstanding customer service.
• Expert proficiency with diverse systems and network configurations with expert ability to quickly adapt to learning new technologies.

PROFESSIONAL EXPERIENCE:

Confidential

Cisco Unified Communications/Network Engineer

• Planning, configuration, installation & troubleshooting of Cisco security devices
• Planning, configuration, installation & troubleshooting of Cisco internetwork and unified compute devices
• Planning, configuration, installation & troubleshooting of Cisco Unified Communications environment
• Planning, configuration, installation & troubleshooting of SIP, H.323 & MGCP Voice Gateway Protocols
• Configuration, implementation and troubleshooting of complex routing environments running multiple routing protocols
• Configuration of BGP to support interfacing with multiple ISPs, iWAN technologies
• Meraki security, switch, wireless and phone device configuration, installation & troubleshooting
• Offer solution suggestions based on current customer environment, needs and projected growth

Confidential

Network Engineer

• Cisco 3750 stackable switches, Cisco 2960 switches - configure port security via MAC address accounting
• Management of multiple IP subnets for various VLANs - expansion when necessary to accommodate additional devices
• Management of Citrix XenServer & XenDesktop environment with 125+ desktops, managing multiple desktop images
• Configuration and management of Wyse thin clients for connection to the Citrix XenServer environment - Viance, Xenith, V10L, XPE models
• Extensive experience with VMware vSphere 4.0 and EMC SAN storage
• Management of Checkpoint firewall appliances and Sourcefire IDS appliances to properly secure the network
• Management of Windows Server 2003 & 2008 Active Directory environments (DNS, DHCP, FSMO roles)
• Management and operations of Exchange 2003 environment
• Management of Zetafax fax server
• Instrumental in adhering to government STIG processes and procedures for securing the network environment and components, thus contributing to a successful audit by the TMA and retention of government DoD contract
• Act as team lead in providing guidance and mentoring to other peers in the team
• Adherence to change management and control procedures

Confidential

Network Engineer

• Successfully planned, managed and executed a system-wide IOS upgrade of all Cisco routers and switches within the corporate headquarters and all 80+ branch locations.
• Responsible for ensuring proper LAN/WAN communications by daily monitoring the routers and switches. Experience with the backbone of communications utilizing MPLS network technologies, BGP and OSPF routing
• Devised and implemented an innovative solution using an open source VOIP system, Asterisk, to interconnect with Cisco Call Manager Express systems and legacy telecommunications key systems, saving the company communications costs during and after the acquisition of the previous bank
• Instrumental in efficiently reorganizing the LAN by planning, configuring and implementing a separate supernet in order to accommodate additional servers since the existing subnet allocation was exhausted
• Added to the security of the network, leveraging a custom-built Linux system running RADIUS for Cisco device authentication and authorization using Active Directory credentials
• Management and operations of Exchange 2007 environment
• Management of Blackberry Enterprise server
• Management of Citrix Netscaler appliance
• Added to the productivity of end users by configuring and maintaining a Rightfax fax server
• Coordinate with hardware and software vendors
• Act as mentor & additional support resource, providing third tier technical support for first and second level support staff,
• Adherence to change management and control procedures

Confidential

Sr. Network Administrator

• Monitor, maintenance, management & configuration of layer 2/3 devices - Cisco, Adtran, LAN/WAN communications
• Added to communications savings for the company by designing, implementing and maintaining multiple Cisco Call Manager Express VOIP branch solutions and a custom open source VOIP PBX for integration between legacy key systems and Cisco CCME systems
• Redesigned perimeter system to include an IDS appliance for proactive monitoring and DMZ for hardened devices and contractor Internet access
• Added to user productivity by designing, implementing and maintaining a Citrix environment; increased the number of available servers, implemented Citrix Access Gateway hardened appliance for further security
• Added savings and value to the company by planning and implementing VMware 3.5 and consolidating and virtualizing physical servers, thus saving on power and cooling requirements and costs.
• Oversee daily server operations and monitor overall health of all servers - Citrix environment, Exchange Microsoft AD, Blackberry Enterprise server, Rightfax Fax server
• Coordinate with hardware and software vendors and work with implementing new solutions and cutting-edge technologies
• Provide second tier technical support for first level help desk staff, acting as mentor & additional support resource

Confidential

Sr. Technical Support Specialist / Network Administrator

• Monitor, maintenance, management & configuration of layer 2/3 Cisco devices, LAN/WAN communications
• Oversee daily server operations; configure and review nightly backup operations
• Phone & on-site hardware and software support for end users
• Perform hardware and software upgrades of desktops and servers, plan, test and implement new technologies