Sr Network Engineer
Location: US, NY, Brooklyn, NY
Employment type: Full-time
Required experience: Mid-Senior level
Required education: Bachelor's Degree
Industry: Computer & Network Security
Function: Engineering
Description: Sr Network Engineer at Brooklyn, NY24 MonthsJob DescriptionUnder the direction of the NOC Supervisor, with latitude of independent initiative and judgment is responsible for the configuration and maintenance of the Wide Area Network (WAN), TCP/IP protocol, servers and related  software.  Serve as the lead Network Operations technical support person responsible for troubleshooting hardware and software devices such as Access-points (AP), controllers, switches and routers in order to maintain efficient functioning of all information technology equipment and to minimize downtime and possibility of system failure.Duties and Responsibilities:Maintains the Wide Area Network (WAN) including connectivity, servers, applications and network hardware and software to ensure system stability, reliability, availability and connectivity to the user community. Troubleshoots and recommends improvements to network including operating systems and related software and provides tactical and strategic input to overall network planning and related projects.  Isolates and resolves network problems in a timely manner.Responsible for working with vendors and resolving network outages in a timely fashion in order to meet internal SLAs and / or Metrics.Lead technical person responsible for the NOC’s trouble ticket queues and associated processes.Ability to configure and support the following in a large production environment:Cisco Series Routers, including but not limited to Cisco 3600, 3700, 3800 and 7000 series routers.Cisco Catalyst Switches, including but not limited to, Catalyst 2900, 3500 and 3700 series, (including Power switches, 6500 series).Performs analysis of the Transmission Control Protocol/Internet Protocol (TCP/IP) networking communication protocol and configures and maintains network switches, VLAN’s, Servers, Routers, Controllers, Cisco Wireless Access Points, Load Balancers (CSS, F5 & Extreme) Cisco Secure PIX Firewalls (520/525) and Cisco ASA Firewalls.Ability to troubleshoot Wide Area Networking protocols/technologies such as T1, T3, Frame-Relay, ATM, and Metro-Ethernet as well as assessing cabling issues such as Token Ring, Ethernet, and Fiber Optic.Strong understanding of Layer 2 & 3 IP addressing and associated subnetting.Ability to perform complex technical tasks associated with the creation of new network designs.Knowledge of routing protocols such as BGP, RIPv2, EIGRP, OSPF, etc.Serves as the lead technical resource person in the diagnosis and correction of LAN and WAN problems for all school-based and administrative personnel.  This includes failure analysis in a complex networking environment which may include mainframe applications, web applications, traditional wide area & DWDM SONET telecommunications network.Ability to communicate effectively with end users and external vendors on all aspects of both LAN/WAN related issues while using a Call/Ticket management ticketing system.Performs day-to-day network administration tasks including network equipment installation, configuration, upgrades, testing and troubleshooting.Diagnoses problems, verifying servers/switches/router status, testing device connectivity, path trace, etc., using different network monitoring software, such as CiscoWorks.Provides documentation and tactical assistance regarding developmental, technical and operational support to the DOE.Monitors firewall performance and integrity and maintains and resolves all internet related technical issues.Prepares network diagrams, floor plans and schematics using Visio.Provide operational support for IPDVS infrastructure related issues.Qualification Requirements:Minimum:CCNPMinimum of 5 years’ experience providing hardware support, implementation and testing, technical and user documentation.Preferred:CCIEExperience in configuring routers, switches and firewalls.Experience in troubleshooting routers, switches and firewalls.Experience installing routers, switches and firewalls.Experience working with end-user support environment with more than 2,000 employees.Experience with Cisco networking devices such as routers, switches firewalls and wireless controllers.Knowledge of networking technologies such as T1, T3, Frame-Relay, ATM, Metro Ethernet and Wireless.  Knowledge of the following networking protocols: BGP, RIPv2, OSPF, EIGRP, DNS, HTTP, and NAT.Experience supporting large numbers of both managed and unmanaged workstations.Ability to work independently.Excellent troubleshooting skills.Good communication skills. 
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