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Temporary/Casual
Administrative

Network Administrator with Security Clearance

TEKsystems c/o Allegis GroupFort Belvoir, VA🇺🇸United StatesPosted 13 Jul 2026

Quick Overview

Work Type
On Site
Schedule
Temporary/Casual
Level
Mid Senior

Job Description

Top Skills' Details
1. 8 Years of Experience configurating + installing with Cisco Routers + Switches
2. 8 Years of Experience racking/stacking routers + switches
3. Experience with different ticketing systems TOP SECRET CLEARANCE + SEC+ REQUIRED Job Description
The client is seeking an Network Administrator in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations   The Sr. Network Admin will support planning, designing, and evaluating various components of the network. Duties will include providing specifications for network architecture, evaluating and recommending new technologies to enhance current capabilities, and performing needs assessments. Support level duties will include monitoring, installation, modification, testing and servicing of network equipment.   Primary focus will be on, handling internal projects for operations, supporting driving time-sensitive initiatives, supports ITIL service area activities (problem management, incident management, service request fulfillment, etc.) and  specific tasks to a successful conclusion, operations management, configuration/change management t, service level agreements (SLA).   Primary Responsibilities:  The individual will adhere to and improve standard operating procedures (SOP’s) in a matrixed organization supporting the prime contractor and CMS. Along with a demonstrated ability to manage a team composed of Network & Firewall Administrators  Experience with Cisco technologies with recent experience in Cisco ACI  Experience with F5 Load balancers  Experience with physical connection/access to data center hardware via console serial for router/switches & using a crash cart to connect to servers  Experience with rack/stack gear, running copper/fiber cables  Experience with using ticketing/change management systems like ServiceNow  Experience in following strict change control and guiding others in following the change control process   Mentor and provide guidance to junior network administrators. Additional Skills & Qualifications
Experience with Cisco technologies with recent experience in Cisco ACI  Experience with F5 Load balancers  Experience with physical connection/access to data center hardware via console serial for router/switches & using a crash cart to connect to servers  Experience with rack/stack gear, running copper/fiber cables  Experience with using ticketing/change management systems like ServiceNow  Experience in following strict change control and guiding others in following the change control process   Mentor and provide guidance to junior network administrators.   Employee Value Proposition (EVP)
Technology: Prior experience with OSI Layers, Security, Storage, VMWare, System/Network Admin  Tools: Share Point, Skype, Slack, Service Now, Wiki’s, MS Project  Certifications: Cloud, Cisco CCNP, ITIL, PMP, Dell Versa  Work Environment
on-site at Fort Belvoir collaborating with a large team of administrators + different teams Company Benefits
Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following: • Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

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