Network Engineer I in Arlington, VA

Experience supporting or working with enterprise network infrastructure. Basic understanding of TCP/IP, Ethernet, VLANs, switching, DHCP, DNS, and network connectivity. Experience installing, replacing, or troubleshooting network or IT equipment. Familiarity with enterprise wireless networks. Ability to perform basic Layer 1 and Layer 2 network troubleshooting. Ability to use common network troubleshooting tools and techniques. Ability to read and follow network diagrams, equipment installation instructions, cable information, implementation plans, and technical documentation. Ability to accurately document installed equipment and completed work. Strong organizational skills and the ability to manage assigned tasks across multiple projects. Ability to communicate and work effectively with Network Engineers, project managers, vendors, contractors, facilities personnel, and other technical staff. Ability to perform hands-on work at network and telecommunications locations throughout County facilities. Preferred Qualifications Experience or familiarity with one or more of the following is desirable: Cisco switching and routing platforms. Aruba wireless infrastructure. Arista wireless infrastructure. Enterprise UPS infrastructure, particularly Vertiv systems. NetBox or a similar DCIM/IPAM platform. Network monitoring and management tools. Copper and fiber-optic network cabling. Enterprise network equipment staging and deployment. Infrastructure refresh or lifecycle replacement projects. Desired Technical Skills The successful Consultant should have foundational knowledge or experience with tasks such as: Verifying physical network connectivity and link status. Troubleshooting basic copper and fiber connectivity. Identifying basic VLAN or switch-port connectivity issues. Validating IP addressing and network connectivity. Performing basic wireless connectivity troubleshooting. Collecting logs and diagnostic information for escalation to Network Engineers. Installing equipment in racks and telecommunications spaces. Tracing and labeling network connections. Maintaining accurate network and equipment documentation.