Network/Telecommunications Analyst III

Position Overview

This position works as part of the Technology Infrastructure Division’s (TID) Enterprise Network Architecture and Engineering team. The countywide enterprise network is a large, complex Metropolitan (MAN) and Wide Area (WAN) secure infrastructure with two geo-diverse, highly available hyperconverged datacenters servicing 230+ Fairfax County locations.

As a Tier 3 Network Engineer, you will ensure high levels of network availability and reliability by designing, maintaining, and optimizing network infrastructure and addressing complex issues escalated from Tier 1 and Tier 2 support teams. Compensation: $85,318.48 - $142,197.95 Annually

Key Responsibilities

• Collaborate with the Enterprise Network Architecture team to design and implement scalable, secure LAN, WAN, and wireless solutions.
• Deliver advanced-level network support by troubleshooting and resolving complex issues with routers, switches, firewalls, and wireless devices.
• Analyze and resolve complex Layer 2 and Layer 3 network issues to ensure optimal performance and minimal downtime.
• Install, patch, configure, secure, and optimize network hardware to meet evolving business needs.
• Design, configure, and optimize 802.11x wireless networking environments across enterprise locations.
• Utilize advanced network monitoring tools to analyze performance metrics, identify bottlenecks, and recommend improvements.
• Develop and maintain network documentation, diagrams, and standard operating procedures.
• Collaborate with security teams to implement best practices including access controls, encryption, and intrusion detection/prevention systems.
• Lead or support network-related projects such as infrastructure upgrades and technology migrations.
• Partner with IT teams, stakeholders, and vendors to address networking needs and drive continuous improvements.

Required Qualifications

• Possession of an associate’s degree in computer science, electrical engineering, electronics, or a related field plus four years’ network/telecommunications experience; or a bachelor’s degree in these fields plus two years’ experience in network or telecommunications system design, analysis, installation, and troubleshooting.
• Valid driver's license.
• Must successfully complete criminal background and driving record checks.

Preferred Qualifications

• In-depth knowledge and experience with VLAN, VRF, OSPF, BGP, MPLS, VPN, STP, DHCP, Trunk, and 802.11 standards, including MAN, WAN, LAN, SDWAN, and Wireless LAN architectures.
• Hands-on experience with major network equipment manufacturers including routers, switches, and access points.
• Experience with tools such as SolarWinds, Splunk, Catalyst Center, ISE, and Nexus Dashboard or equivalent systems.
• Automation experience with scripting languages such as Python or similar.
• Datacenter technology experience, such as Leaf and Spine architectures utilizing VxLAN in multi-datacenter environments.
• Experience with NSX-T infrastructure using SDN technologies (VDS, T0/T1, DFW, AVI/ALB) and cloud networking.
• In-depth experience with IP Address Management (IPAM) systems such as InfoBlox.
• Experience in network incident management and related support practices.
• Strong working knowledge of Layer 1 cable infrastructure, including Ethernet (CAT6/6A), fiber optics, and patching panels.
• Excellent analytical, problem-solving, and communication skills with a commitment to superior customer service.

Benefits & Perks

• Medical/Vision/Dental Insurance Coverage
• Group Term Life Insurance
• Long Term Disability
• LiveWell Program
• Flexible Spending Programs
• Paid Leave (annual, sick, parental, volunteer activity, and more!)
• Paid Holidays
• Contributory Retirement Plan
• Deferred Compensation
• Employee Assistance Program
• Employees' Child Care Center
• Commuter Benefit Program
• Continuous Learning Opportunities