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Network Engineer

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Robert Half

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Location:
United States , Manassas

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Category:
IT - Administration

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

We are looking for an experienced Network Engineer to support and enhance enterprise network operations in Manassas, Virginia. This Long-term Contract position focuses on maintaining secure, reliable connectivity across critical infrastructure while contributing to ongoing improvements in routing, firewall administration, and switching environments. The ideal candidate brings strong hands-on knowledge of Cisco networking technologies, Palo Alto security platforms, and Aruba solutions to help deliver stable and well-managed network performance.

Job Responsibility:

  • Manage and optimize network infrastructure that includes Cisco routing technologies, enterprise switching, and perimeter security platforms
  • Administer Palo Alto firewalls and use Strata Cloud Manager to monitor performance, enforce security policies, and support ongoing operational needs
  • Configure and support Aruba switching environments while leveraging Aruba Central for visibility, device management, and issue resolution
  • Maintain and troubleshoot Border Gateway Protocol (BGP) configurations to ensure dependable routing and external connectivity
  • Support Cisco ASA firewall environments by applying configuration updates, reviewing access controls, and resolving network security issues
  • Diagnose network incidents, identify root causes, and implement corrective actions to minimize downtime and service disruption
  • Collaborate with technical teams to plan, test, and implement infrastructure changes while maintaining network stability and security
  • Create and maintain clear technical documentation for configurations, procedures, diagrams, and support activities

Requirements:

  • Hands-on experience working as a Network Engineer in enterprise or large-scale network environments
  • Strong practical knowledge of Cisco routers and core networking principles
  • Proven experience administering Palo Alto firewalls, including policy management and security operations
  • Familiarity with Strata Cloud Manager for firewall oversight and centralized management
  • Experience supporting Aruba switches and using Aruba Central for administration and monitoring
  • Solid understanding of Border Gateway Protocol (BGP) and network routing concepts
  • Working knowledge of Cisco ASA firewall configuration, maintenance, and troubleshooting
What we offer:
  • Medical
  • Vision
  • Dental
  • Life and disability insurance
  • 401(k) plan

Additional Information:

Job Posted:
May 06, 2026

Work Type:
On-site work
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