Network Administrator

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

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 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 associate 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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