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MANTECH · 1 day ago

Network Administrator

San Antonio, TX

Full-time

Onsite

Senior Level, Lead/Staff

12+ years exp

MANTECH seeks a motivated, career and customer-oriented Network Administrator to join our team. The role involves supporting customer networks and performing various planning and deployment functions for system and network upgrades.

Cyber SecurityInformation TechnologySecurityTelecommunications

Growth Opportunities

No H1B

Security Clearance Required

U.S. Citizen Only

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 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

Qualification

Cisco Catalyst switchesCisco ASR routersIAT II certificationMPLS/VPLSOSPFEIGRPLinux troubleshootingVPNsAnalytical skillsInterpersonal skillsLeadership skillsCommunication skills

Required

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)

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

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

Preferred

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