Network Administrator Intermediate – TS/SCI required

General Dynamics Information Technology
$32 - $44Onsite

About The Position

Advance how our customers operate while you advance your career. Join GDIT as a Network Administrator - Intermediate and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a Network Administrator Intermediate, the work you will do at GDIT will be impactful to the mission of Army Intelligence. You will play a crucial role in securing enterprise systems, advancing future capabilities while driving smarter solutions. You will help ensure secure, reliable network connectivity is essential to daily intelligence operations. Lead/Manage/Support: Oversee the installation, maintenance, and usage of the local area network. Support routing and connectivity configurations using OSPF, BGP, GRE tunnels, and DMVPN. Assist with evaluating solutions, presenting recommendations to management, and supporting hardware, software, and telecommunications installations. Collaborate: Work with network services, systems engineering, and application development teams to restore service and resolve core issues. Recommend system improvements that enhance stability and performance, including adjustments to routing protocols or tunnel‑based connectivity. Drive: Monitor and maintain network performance and security. Troubleshoot routing and connectivity issues, ensure policies and procedures are enforced, and maintain compliance with organizational objectives. Utilize: Install, configure, and evaluate network hardware and software, including routers, firewalls, and telecommunications systems. Support advanced carrier‑side configurations such as MPLS and L3VPN (BGP AFI vpnv4). Use diagnostic tools and monitoring techniques to ensure optimal network operations.

Requirements

  • Top Secret/SCI clearance
  • Ability to obtain Top Secret SCI + Polygraph
  • US Citizenship Required
  • 7 years of related experience
  • Associate degree (may be waived based on overall experience and qualifications)
  • Routing & Switching: OSPF, BGP, VLANs, STP, and QoS fundamentals.
  • Network Hardware: Routers, switches, firewalls, wireless access points.
  • Operating Systems: Windows and Linux administration fundamentals.
  • Tools & Monitoring: Network analyzers, packet capture tools, and performance monitoring platforms.
  • Security: Access control, network hardening, and compliance with DoW Cybersecurity requirements.
  • DoW 8570.01-M IAT Level II/8140 Computing Environment (CE) Certification as determined by the Program Manager is required prior to support on contract.
  • IAT II 8570/8140 Baseline Certification Security+ or equivalent.
  • Computing Environment certification: CCNA or CCNA-Security.
  • Daily on-site support at the customer location.
  • Candidates must be willing and able to attain a CI Polygraph for certain positions as determined by the contract.
  • The position may require lifting of objects (e.g., IT hardware), reaching/bending/kneeling to plug in cables, and other moderately strenuous activity.

Nice To Haves

  • Tunneling/VPN: GRE tunnels, DMVPN, IPSec fundamentals.
  • WAN Technologies: MPLS (LDP), L3VPN (BGP AFI vpnv4) exposure preferred.

Responsibilities

  • Administer networking hardware including routers, switches, gateways, access points, firewalls, and related components.
  • Maintain strong knowledge of fiber and copper Ethernet technologies and their use across LAN and WAN environments, including support for GRE, DMVPN, and MPLS‑based circuits.
  • Provide troubleshooting and technical support for network infrastructure, routing protocols, and tunnel‑based connectivity.
  • Provide end‑user support and assist with training related to network operations.
  • Administer network security, perform backups, and provide maintenance support for servers.
  • Create and manage user accounts and ensure proper access control.
  • Follow and enforce established network policies, procedures, and security standards, ensuring all network configurations comply with applicable STIG and DoW Cybersecurity requirements.
  • Install and manage hardware, including systems that interface with MPLS or L3VPN services.
  • Support implementation, configuration, performance monitoring, and troubleshooting across all network infrastructure.
  • Support lifecycle replacement of network hardware as directed.

Benefits

  • 401K with company match
  • Medical plan options
  • Dental plan options
  • Vision plan
  • Full flex work weeks where possible
  • Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
  • Short and long-term disability benefits
  • Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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