John Mark Email & Phone Number

Great Neck, New York, US

New York, NY, US

New York, NY, US

New York, NY, US

Serve as technical escalation point and provides Level 3 support for network related issues and requests. Coordinate and partner with the Member Technology Business Development team with the opening of new locations and the provision of services to enterprise members. Perform network upgrades and refreshes by conferring with vendors; developing, testing.

US

Support and maintain the firm’s voice and video networks, Cisco IOS/NX-OS Switches, Check Point security appliances, IPS/IDS, Riverbed Steelhead WAN accelerators, monitoring platforms, LAN/WAN/WLAN infrastructure and all associated sub-systems. Perform system maintenance in accordance with established schedules and best practices. Monitor, secure, identify.

Manila, Metro Manila, PH

Responsible for performing equipment installations, administration/support, configuration management to include any required debugging/troubleshooting and monitoring, optimization and administration in support of all of the networking equipment used to support the operating systems. Maintain network documentation, network drawings, and change management.

Implements, maintains, supports, develops and, in some cases, designs communication networks. Ensures the integrity of high availability network infrastructure to provide maximum performance for the users. Configures, installs, and maintains Cisco Routers, Catalyst and Nexus switches in primarily VOIP network. Applies and verifies Department of Defense.

Washington, DC, US

Perform routine mid to senior-level networking responsibilities (e.g. setup, troubleshoot and configure VLANS, configurations, switches, new office connections, maintenance, patches, and Cisco ISO upgrades)Perform routine mid to senior-level server (Windows/Linux/VMware) tasks (patches, application installations, virtual machine templates, troubleshooting.

US

Traveling internationally to design, test, implement, and document L2/L3 wired/wireless networks in airports, travel plazas, and malls, taking into consideration design and implementation guidelines set forth by each location’s respective authority. Coordinate with on-site cable contractors at branch locations to install, test, and ultimately utilize new.

Randolph AFB, TX, US

Duties include deploying, sustaining, troubleshooting, and repairing standard voice, data, and video secure/non-secure network infrastructure systems, IP detection systems and cryptographic equipment. Perform, coordinate, and integrate network design, configuration, operation, defense, restoration, and improvements and provide recommendations to.