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Dallas County

Texas county government

Network Engineer 3 Info Tech - Operations

Full-TimeDeadline 11/7/26
$8.2k - $10.2k
Senior
Bachelor's
Dallas, TX, USA
In PersonOccasional travel between organizational facilities may be required.
IT OperationsNetwork Engineering & Administration

About the job

Requirements
  • Education and experience equivalent to a bachelor's degree from an accredited college or university in Computer Science, Information Technology, Network Engineering, or a job-related field of study.
  • Five years of related experience designing, implementing, and supporting complex enterprise network environments.
  • Knowledge of advanced enterprise network architecture and operations; WAN, LAN, WLAN, SD-WAN, software-defined networking, routing and switching, BGP, OSPF, multicast, network segmentation, data center networking, high availability and redundancy technologies, disaster recovery and data protection operations, information security principles for enterprise network environments, Zero Trust architecture, cloud networking technologies, network automation, infrastructure as code concepts, project management methodologies, market research and product evaluation techniques, and the interaction of network infrastructure with enterprise systems and cloud services.
  • Ability to architect, implement, optimize, secure, and troubleshoot complex enterprise network environments; lead large infrastructure projects; develop engineering standards and operational procedures; perform market research and technology evaluations; analyze enterprise risks and recommend strategic solutions; mentor engineers and technical staff; communicate with executive leadership, business stakeholders, and technical teams; manage competing priorities; and exercise analytical, organizational, leadership, and problem-solving skills.
  • Must possess a valid Texas driver's license and maintain a good driving record; must provide a copy of a 10-year driving history and remain in compliance with Article II, Subdivision II of Chapter 90 of the Dallas County Code.
  • Individuals whose position has or may have access to criminal justice databases, including FBI Criminal Justice Information Systems, NCIC/TCIC, and similar databases, must pass a national fingerprint-based records check before placement and maintain the ability to pass the check while in the position, unless the requirement is removed by the Commissioners Court and County Civil Service Commission.
  • Must be able to sit, stand, walk, bend, reach, and occasionally lift equipment weighing up to 40 pounds.
  • The position may require work in telecommunications rooms, participation in after-hours maintenance activities, on-call support, disaster recovery exercises, and occasional travel between organizational facilities.
Responsibilities
  • Architect, design, implement, optimize, monitor, maintain, and support enterprise network infrastructure, including routing, switching, wireless, firewall, VPN, and cloud networking technologies.
  • Serve as the highest technical escalation point for complex network incidents; direct troubleshooting and root cause analysis; oversee major system upgrades and maintenance; and ensure network availability, resiliency, and operational performance.
  • Architect and lead implementation of enterprise network solutions that support organizational strategy, business continuity, cybersecurity, and future growth.
  • Develop network standards and roadmaps; lead infrastructure modernization initiatives; evaluate emerging technologies; conduct market research and product evaluations; oversee disaster recovery planning; and provide technical leadership for cloud networking, software-defined networking, and data center transformation initiatives.
  • Establish engineering standards, operational procedures, and governance practices to improve network reliability, performance, and security.
  • Lead continuous improvement through automation, performance optimization, configuration management, capacity planning, and operational metrics while ensuring compliance with organizational policies, regulatory requirements, and industry best practices.
  • Conduct post-incident reviews and drive long-term corrective actions to improve operational maturity.
  • Provide technical leadership across Infrastructure, Security, Cloud, Server, Application, and Service Desk teams and advise leadership on enterprise networking strategy.
  • Lead cross-functional infrastructure projects, coordinate with vendors and service providers, mentor and develop junior engineers, communicate technical recommendations to business and executive stakeholders, and foster collaboration to deliver secure, resilient, and scalable technology solutions.
  • Perform other duties as assigned.
Desired Qualifications
  • Experience leading enterprise infrastructure projects and supporting large-scale Cisco networking environments, cloud networking, wireless technologies, and network security solutions.
  • Cisco Certified Internetwork Expert (CCIE).
  • Cisco Certified Network Professional (CCNP) Enterprise.
  • Aruba Certified Professional or Expert.
  • AWS Advanced Networking – Specialty certification.
  • Microsoft Azure Network Engineer Associate certification or equivalent advanced networking certifications.

About the company

Dallas County is a county government serving residents and communities in Dallas County, Texas. The county administers courts, elections, public health, justice, records, infrastructure, human services, and other local government programs. It serves residents, businesses, visitors, partner agencies, and communities across Dallas County. Its operating model centers on elected offices and departments operating under public law, budgets, civil-service rules, and countywide administrative systems. Teams work across public health, justice, administration, technology, facilities, finance, records, and community services. Teams support coordinated daily delivery.

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