• Network Administrator

    ManTech (San Antonio, TX)


    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.

     

    ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

     

    If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at [email protected] and provide your name and contact information.