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Network Infrastructure Specialist Reston, VA,

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: CACI International Inc.
Full Time position
Listed on 2026-08-27
Job specializations:
  • IT/Tech
    Network Engineer, Network Security, Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 103800 - 218100 USD Yearly USD 103800.00 218100.00 YEAR
Job Description & How to Apply Below
Position: Network Infrastructure Specialist Reston, VA, US

Job Title:

Network Infrastructure Specialist

Job Category:
Information Technology

Time Type:
Full time

Minimum Clearance Required to Start:
Secret

Employee Type:
Regular

Percentage of

Travel Required:

Up to 10%

Type of Travel:
Local

* * *

The Opportunity

Join a team responsible for designing, implementing, securing, and maintaining the enterprise network infrastructure that enables mission-critical operations across a global technology environment. As a Network Infrastructure Specialist, you will support the planning, deployment, operation, and modernization of highly available network solutions that connect users, applications, and systems around the world.

This requisition supports multiple experience levels—from technicians and administrators responsible for day-to-day network operations to engineers and architects designing enterprise routing, switching, firewall, wireless, and cloud networking solutions. Successful candidates will collaborate across infrastructure, cybersecurity, systems engineering, and operations teams to deliver secure, resilient, and scalable network services supporting domestic and international missions.

If you enjoy solving complex connectivity challenges, implementing modern networking technologies, and building secure enterprise infrastructure, you'll find meaningful opportunities to grow your career while supporting a global mission.

Opportunities are contingent upon contract award

Responsibilities

Depending on experience and level, responsibilities may include:

  • Install, configure, maintain, monitor, and troubleshoot enterprise network infrastructure, including routers, switches, firewalls, wireless networks, and related technologies.
  • Support the design, implementation, and optimization of local area networks (LAN), wide area networks (WAN), wireless networks, and software-defined networking solutions.
  • Configure and maintain network routing, switching, VPN connectivity, network segmentation, quality of service (QoS), and high-availability solutions.
  • Deploy, administer, and optimize enterprise firewall technologies, intrusion prevention systems, and network security controls.
  • Monitor network performance, availability, capacity, and reliability while identifying and resolving connectivity issues.
  • Perform network upgrades, technology refreshes, equipment installations, firmware updates, and lifecycle replacement activities.
  • Develop and maintain network diagrams, configuration documentation, technical standards, and operational procedures.
  • Conduct network performance analysis, capacity planning, and trend analysis to improve enterprise reliability and scalability.
  • Collaborate with cybersecurity teams to implement secure network architectures, Zero Trust principles, access controls, and compliance requirements.
  • Support cloud networking, hybrid infrastructure, remote connectivity, and enterprise modernization initiatives.
  • Develop automation solutions to streamline network provisioning, configuration management, monitoring, and operational support.
  • Participate in incident response, root cause analysis, disaster recovery planning, and continuity of operations activities.
  • Evaluate emerging networking technologies and recommend solutions that improve performance, resiliency, and operational efficiency.
  • Senior-level professionals may develop enterprise network architecture, establish engineering standards, lead modernization initiatives, mentor technical staff, and provide strategic guidance across multiple programs.
Required Qualifications

Qualifications vary based on position level.

  • High School diploma with relevant experience or bachelor’s degree in information technology, Computer Science, Computer Engineering, Network Engineering, or a related technical discipline.
  • Active Secret Clearance
  • Experience supporting enterprise network administration, engineering, implementation, or operations.
  • Knowledge of TCP/IP networking, routing, switching, network protocols, and enterprise connectivity principles.
  • Experience installing, configuring, maintaining, or troubleshooting enterprise networking equipment.
  • Familiarity with network monitoring, performance analysis, troubleshooting methodologies, and technical…
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