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Network Administrator

Network Administrator

ManTechChantilly, VA, United States
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MANTECH seeks a motivated, career and customer-oriented Network Administrator to join our team in Chantilly, VA.  This is an onsite position.

The candidate will be part of a Network Engineering team for our federal customer and will provide Network administration for a large Cisco enterprise environment, which consists of classified, and top-secret networks. The team ensures the availability of a reliable / robust network transport infrastructure that provides data protection for information delivered across strategic, operational and tactical boundaries.

Responsibilities

  • Configures, Installs, supports and / or maintains LANs and / or WANs; evaluates and recommends networking product and software upgrades and also Configuring CISCO NXOS / IOS at both switch and router.
  • Performs technical analyses of software, hardware and transmission facilities using various diagnostic tools in support of efficient network operations.
  • Monitors data traffic and controls network resource performance to ensure high-quality transmission.
  • Identifies, diagnoses, and resolves technical problems related to network failure / integrity.
  • Proactive monitoring and reporting of all network devices, services, overall health of the network using a combination of tools to ensure high availability and SLA’s.
  • Assist the Help Desk in network troubleshooting and act as the primary support for all network related issues.
  • Strong desire to discover the root cause of complex problems and communicate them effectively across IT disciplines and Management.

Required Qualifications

  • Bachelor’s Degree (1½ year experience is equivalent to 1 year of college)
  • 3 or more years’ experience in Network Administration
  • Strong knowledge of networking : TCP / IP, VLANS, Ethernet, switching, routing, and routing protocols (BGP / OSPF), 802.1Q, and DNS, SNMP, TACACS, Access Control list
  • Knowledge of Type 1 encryptors, TACLANES used to provide isolation and added security for the network transport and enterprise services.
  • Experience working directly with Government customer
  • Technical writing and documentation / diagram skills (MS Visio / MS Word / MS Excel)
  • Performs rack-mounting and de-installing communications equipment and associated cabling.

    • Preferred Qualifications :

  • Network +
  • CCNA
  • Security +

    • Required Clearance :

  • Must hold an active Top-Secret / SCI Clearance to be considered and be willing / able to obtain a CI Poly.

    • Physical Requirements :

  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
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    Network Administrator • Chantilly, VA, United States