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Network Administrator
Network AdministratorManTech • San Antonio, TX, US
Network Administrator

Network Administrator

ManTech • San Antonio, TX, US
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Mantech seeks a motivated, career and customer-oriented Network Administrator , to join our team in San Antonio, TX

The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation

Responsibilities Included but are not limited to :

  • Responsible for supporting customer networks involving cross-domain solutions, including VPNs, one-way data transfers, unclassified mission related infrastructures, and Taclane 175 encryption devices. Specific configurations include routing using MPLS / VPLS, OSPF, EIGRP at the Core and Distribution devices and switching at the Access devices.
  • Responsible for performing planning, deployment and quality assurance functions for system and network upgrade projects.
  • Will develop high, mid and lower-level diagrams and schematics to document the system and network infrastructure for planning, historical and continuity purposes.
  • Responsible for designing, installing, configuring, troubleshooting and maintaining a LAN / WAN equipment required to provide telecommunications services in a complex environment consisting of various Cisco network equipment to include Nexus and Catalyst model as well as Integrated Service Routers.
  • Responsible for designing networks utilizing switching technology to include VLAN, Inter-VLAN routing, trunking, and port aggregation on the WAN / LAN environment.

Minimum Qualifications :

  • Bachelor's degree with 12+ years of relevant experience OR ??associates degree with 15 years OR high school diploma with 20 years of relevant experience
  • Experience ?configuring and troubleshooting Cisco catalyst switches
  • Experience configuring and troubleshooting Cisco ASR routers
  • IAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security / CySA+ / GICSP / GSEC / Security+ CE / CND / or SSCP)

    • Preferred Qualifications :

  • Experience with supporting cross-domain customer networks (VPNs, one-way data transfers, unclassified infra, Taclane 175), with expertise in Core / Distribution routing (MPLS / VPLS, OSPF, EIGRP) and Access switching.
  • Experience with Linux network troubleshooting

    • Clearance Requirements :

  • Must have a current / active TS / SCI w / Polygraph.

    • Physical Requirements :

  • Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.
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    Network Administrator • San Antonio, TX, US