Salary : $96,847.40 - $106,532.14 Annually
Location : Tarrant County, TX
Job Type: Regular Full-time
Job Number: 11084
Department: Information Technology
Opening Date: 07/20/2026
Closing Date: 8/14/2026 11:59 PM Central

Summary
The Lead Network Engineer will be responsible for assisting with the daily functions of the Information Technology including designing, installing, and managing the Access, Distribution, and Core layers of the Tarrant County Network infrastructure. Design fault tolerance and high availability into the County network. Engineer Quality of Service (QoS) policies into the County's converged network of voice, video, and data. This position will manage the connectivity for the Wide Area Network (WAN). The position will design, install, and manage connections between the County's network and partner agencies. The position will manage the County's connections to the Internet. The position will manage the Voice over IP (VoIP) phone system. The position will implement, configure, maintain, troubleshoot, secure, and monitor, the network environment within the County.

Essential Duties and Responsibilities
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Install, configure and maintain Access layer Ethernet switches for 90% of the Local Area Networks (LANs) in the downtown campus and remote locations. Designs and implements fault-tolerant star topologies for the LANs. Use Virtual LAN (VLAN) technologies to make the most efficient use of available network ports.
• Install, configure, and maintains all Distribution and Core layer routers/switches that connect sixty-six (66) County buildings or offices.
• Design, implement and maintains communications network for large multi-story buildings utilizing fiber optics, cooper and wireless technologies.
• Manages route advertisement between all County routers via the EIGRP protocol.
• Manages the leased connectivity for the County Wide Area Network (WAN) that includes Point to Point T1 service, ISDN, Frame Relay, and ATM. The position will also manage the licensed microwave links that exist in the Tarrant County WAN.
• Design, implement, and manages all County WiFi networks (802.11x).
• Install, configure and manages the County network layer Firewalls facing the public Internet.
• Install, configure, and manages remote access into the County network using Virtual Private Network (VPN) and centralized Dial-up technologies.
• Install, configure, and manages the authentication software (RADIUS) for VPN and WiFi networks.
• Manages and maintains the VoIP soft switch that controls all VoIP phones on the County network. Manages and maintains the County's Enterprise Voice Mail system. Make basic changes to the VoIP Call Center systems - move, add, change for Call Center agents.
• Install, configure and maintains network management software to proactively monitor all layer two (2) and layer three (3) network devices.
• When requested, assist other County IT personnel in trouble-shooting application performance issues and errors. This is usually done by performing a packet trace and analyzing the output.
• Provides research and development of new products related to improving network availability, performance and mobility. Test new technologies and develop County standards for network equipment and protocols. Seeks approval, of these proposed standards from the Tarrant County IT Technical Committee.
• Performs other duties as assigned.

Knowledge, Skills, & Abilities:

• Excellent customer service and communication skills, both verbal and written.
• Ability to work in a fast-paced environment.
• Must be able to stay organized and know how to prioritize the workload.
• Ability to work independently and as part of a team.
• Competency with computers and Microsoft Office 365 Suite.
• Advanced analytical skills.
• Hands on advanced working knowledge of the information technology tools and environments currently in use and/or planned for use in the near future for support of County networks.
• Strong organization skills
• Ability to solve problems accurately, completely and quickly if necessary
• Ability to coordinate various activities simultaneously, make decisions and work without direct supervision
• Participate in and/or manage multiple projects concurrently without loss of quality on any project

Minimum Requirements

• Bachelor's degree majoring in Information Technology related field.
• Three (3) years' experience in Layer 2 or Layer 3 Network Infrastructure or equivalent combination of education and experience.
• Cisco Certified Network Administrator (CNNA) certification.
• Must have a valid and current driver's license as driving may be required.

Preferred Requirements:

• The Cisco Certified Network Professional (CCNP) certification is preferred.

Physical Demands and Work Environment & Other Requirements

While performing the duties of this position, the incumbent may be required to bend, hear, keyboard, sit, stand, talk, work alone and with others, and work overtime. Must be able to lift up to 25lbs.