Senior Network/System Administrator

Essential Job Functions

Leads the administration and support of the County's network infrastructure, including switches, routers, firewalls, VPN, and wireless systems.

Administers servers, storage, virtualization platforms, and enterprise applications, ensuring high availability and performance.

Manages user accounts, security groups, group policies, and access controls across Active Directory, Microsoft 365, and other enterprise systems.

Monitors and optimizes network and system performance; analyze logs, proactively identify issues, and implement long-term solutions.

Designs, implements, and maintains backup, disaster recovery, and business continuity solutions.

Oversees patch management, system upgrades, and firmware/software updates to maintain a secure and compliant environment.

Implements and enforces network and systems security best practices, including firewalls, intrusion detection/prevention, and multi-factor authentication.

Serves as escalation point for complex technical issues, working independently and in coordination with other IT staff and vendors.

Develops and maintains technical documentation, system inventories, and standard operating procedures.

Collaborates with IT leadership on strategic initiatives, project planning, and technology roadmaps.

Mentors and provides guidance to junior IT team members.

Manages vendor relationships and coordinate support for telecommunications, internet, and technology services.

Other Duties

Performs other related duties as assigned by the Deputy Director ITS.

Attends meetings and trainings as required.

Performs other job-related duties as required.