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Network Engineer with Security Clearance

TEKsystems c/o Allegis GroupRichardson, TX🇺🇸United StatesPosted Jul 13, 2026

Why This Role Stands Out

Leverage your network engineering expertise and active security clearance to design and implement critical network infrastructure, contributing to vital projects in a hybrid work environment. If you possess 4-7+ years of experience with Cisco routing and switching, a CCNA certification, and an active Top Secret clearance, you'll thrive in this role offering significant career growth and skill development within a reputable organization.

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
Richardson, TX, United States
Posted
2 months ago
AnsiblePythonVMware

Job Description

  • ***This position requires an active DoD Clearance (Top Secret, Top Secret/SCI)**** ***Because an active DoD clearance is required, U.S. Citizenship is required***

What You'll Do

  • Build and deploy networking components in support of rack and stack infrastructure installations, including access and distribution layer switching
  • Configure and manage Cisco switching and routing equipment including VLANs, spanning tree, port channels, and static and dynamic routing
  • Perform initial device configuration, validation, and integration testing for network equipment entering the environment
  • Support network segmentation and access control configurations in accordance with DISA STIG requirements
  • Assist with integration of network infrastructure into VMware and virtualized environments under the direction of senior engineers
  • Troubleshoot and resolve network connectivity issues across switching and routing layers
  • Maintain accurate network documentation including topology diagrams, VLAN records, IP address management, and configuration baselines
  • Support ATO documentation efforts and continuous monitoring activities in coordination with the cybersecurity team

What You Bring
-4–7+ years of hands-on experience in network engineering or network operations roles

  • Active Cisco Certified Network Associate (CCNA) certification required; CCNP in progress a strong plus
  • Solid working knowledge of Cisco switching and routing platforms including Catalyst and ISR product families
  • Experience with VLAN configuration, spanning tree protocols, port channels, and IP routing in enterprise environments
  • Familiarity with DISA STIGs and their application to network infrastructure
  • Experience supporting rack and stack infrastructure builds in a data center or government facility environment
  • Active Top Secret security clearance required; TS/SCI eligibility preferred

Preferred Qualifications

  • Prior experience in a DoD, IC, or cleared defense contractor environment
  • Familiarity with VMware NSX or network virtualization concepts
  • Working knowledge of RMF, NIST 800-53, and the ATO process
  • Experience with network automation tools such as Ansible or Python scripting
  • Bachelor's degree in Information Technology, Network Engineering, or a related field; equivalent experience considered
  • DoD 8570/8140 IAT Level II certification (Security+, or equivalent) **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) This job posting will end: 7/17/26

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