Network Administrator

General Statement of Duties: Performs professional-level administration, maintenance, monitoring and strategic support of the County’s network and cybersecurity infrastructure. Serves as a technical subject matter expert for County network infrastructure and cybersecurity systems. Responsible for designing, implementing, securing and optimizing County network systems including LAN/WAN infrastructure, wireless systems, firewalls, fiber-optic networks and related technologies. The position exercises substantial independent judgment in evaluating infrastructure needs, implementing technical solutions, resolving complex systems issues, and supporting long-term technology planning and cybersecurity initiatives.

Supervision Received: Works under the general direction of the Infrastructure and Operations Manager with considerable independence in determining work priorities, technical solutions, and project implementation activities.

Supervision Exercised: May provide technical leadership, project coordination, training and guidance to IT staff, contractors and vendors.

Essential Functions: Any one position may not include all of the duties listed nor do the listed examples include all duties which may be found in positions of this class.

• Administers, monitors and maintains the County’s enterprise network infrastructure to ensure system reliability, security, performance and availability.
• Plans, designs, implements, and supports network infrastructure upgrades and modifications including LAN, WAN, wireless, hardware, and related technologies. Monitors network traffic, capacity, performance, and reliability to optimize system efficiency and availability.
• Monitors and maintains network security systems including firewalls, intrusion prevention systems and related cybersecurity technologies. Evaluates security threats, vulnerabilities and best practices to support the County’s cybersecurity posture.
• Leads or participates in infrastructure and cybersecurity projects including network upgrades, system implementations, facility deployments, and technology improvement initiatives. Coordinates project activities with vendors, service providers, contractors and IT staff and serves as technical lead on assigned projects.
• Assists in developing long-range infrastructure planning, capacity management and evaluation of emerging technologies to support future County network and cybersecurity needs.
• Collaborates on cybersecurity initiatives, risk management activities and implementation of security best practices. Develops and maintains network security standards, procedures and related documentation.
• Analyzes, diagnoses, and resolves complex network and cybersecurity infrastructure issues and provides advanced technical support, troubleshooting, implementation, and consultation services. Collaborates with County departments, vendors, and IT staff to identify technology solutions that improve operational efficiency and service delivery.
• Supports and advises on network requirements related to new construction, remodels and workspace modifications.
• Participates in disaster recovery, business continuity and infrastructure resiliency planning activities.
• Maintains accurate network documentation including inventories, topology diagrams, configurations, standards and change management records.
• Provides technical guidance and mentoring to IT staff.
• Must be available to respond to after-hours emergencies, scheduled maintenance activities, and critical infrastructure outages as needed.
• Regular and predictable attendance is required.

MINIMUM QUALIFICATIONS

Required

Knowledge, Skills and Abilities:

Education:

Bachelor’s degree from an accredited college or university in Information Technology, Computer Science, or related field. Minimum of five (5) years of professional experience may be substituted for a degree.

Experience:

A minimum of five (5) years of progressively responsible professional experience in network administration, systems infrastructure or cybersecurity support.

Required Knowledge:
Extensive knowledge of enterprise network infrastructure, network administration, cybersecurity principles, and modern networking technologies.…