Senior Network Administrator in Boston, MA

Provide Tier 2 and Tier 3 network support for a complex enterprise WAN and LAN network. Must have advanced experience with Cisco Routers and Switches
Experience: Must have experience with VoIP, Avaya preferred.
Serve as primary client interface, responding to customer requests and proactively notifying customers of problems and the impact on the customer's business.
Act on customer's behalf in handling problems and making decisions, i.e., understanding critical items and priorities.
Monitor the ticket queue for incoming tickets.
Update tickets in accordance to Service Level Agreement requirements and, if necessary, escalate based on severity levels.
Troubleshoot and identify sources of problems.
Resolve configuration problems concerned with the service line being supported (server, LAN/WAN, voice, etc.)
Manage circuit providers for break/fixes (including collaborative troubleshooting and problem resolution)
Responsible for understanding and reviewing action plans for planned and unplanned changes to client's network/infrastructure.
Experience with copper and fiber structured cabling and resolving connectivity issues. Familiarity with troubleshooting tools (Fluke, etc).
Must be willing to carry pager or SMS device and participate in On-call rotation.
Required skills: WAN, LAN, and VoIP, structured cabling, OSPF, BGP routing
Cisco router and switch troubleshooting
Cisco CSS proficiency required
Desired skills: F5 3DNS/GTM appliance, Infoblox Network Service appliances, Juniper, Netscreen products (Firewall and SSL VPN)
Cisco ASA devices, Cisco Wireless, including Aironet access point and Wireless LAN controllers


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