Senior Systems Administrator

GENERAL STATEMENT OF JOB

Provides advanced technical, analytical, and operational support for Okaloosa County’s enterprise information systems and ensures the security, stability, and integrity of county technology resources by administering core infrastructure platforms, managing identity and access services, and maintaining highly available on premises and cloud based systems.

EXAMPLES OF WORK

• Supervises, trains, and assesses the performance of staff; gives recommendations as it relates to hiring, training and development, and discipline of staff; promotes consistent use of standard methods and procedures.
• Coordinates and implements complex integrations between county systems, applications, and network environments to support countywide operations.
• Provides technical guidance, enforces cybersecurity policies, and serves as escalated support for server administrators and County IT teams.
• Plans, implements, and administers Active Directory, Group Policy, DNS, DHCP, certificates, and the Microsoft 365/Exchange hybrid environment, including Teams, SharePoint, Entra, Purview, Intune across multiple tenants.
• Manages domains, identity services, and security; configures ADFS/SSO, Entra SSO, and MFA for remote access and assigns access rights.
• Designs and manages VMware environments including vSphere, VCenter, VSAN, VxRail, Recover Point, VLAN based virtual networking, and lifecycle upgrades.
• Manages multiple datacenters, including physical/virtual servers, storage arrays, top of rack switching, and datacenter network troubleshooting.
• Performs P2V conversions, builds virtual servers, and manages Windows Server, Linux, and CentOS systems.
• Administers Windows Server roles, IIS/Drupal web servers, and Zero Trust remote access solutions; maintains cloned/test environments for updates.
• Manages email spam filtering, public records requests and ensures records compliance.
• Oversees installation, configuration, and maintenance of servers, applications, and web systems; manages SSL certificates and domain names.
• Supports enterprise applications and databases; serves as technical lead for SQL Server and departmental SQL systems.
• Oversees disaster recovery, Neverfail, and backups; maintains DR plans and testing.
• Manages and applies retention policies using existing data classifications and regulatory requirements.
• Manages server network integrations, load balancers, and evaluates/implements new technologies and system designs.
• Coordinates major projects such as the Read Okaloosa.org’s M365 migration, cloud initiatives, and departmental cloud adoption.
• Assists the Systems and Networks Manager with planning, budgeting, technology evaluation, cost optimization, and policy development.
• Troubleshoots complex server, network, virtualization, DNS, AD, and application issues; leads advanced diagnostics.
• Develops scripts, automation, and documentation; ensures compliance with state and federal requirements.
• Collaborates with departments, vendors, agencies, and elected officials to set priorities and support long term planning and vendor management.
• Creates and maintains domain redirects and works with vendors on website changes beyond internal scope.
• Availability to respond to declared emergencies and on call/standby assignments outside of normal duty hours is required.
• Performs other duties as assigned

Bachelor's degree in Computer Science, Information Technology, or a related field, supplemented by five (5) years of progressively responsible experience administering enterprise information systems and networks in a medium to large organization, one (1) year of which must be in a supervisory/lead experience; or equivalent combination of education, training, and experience which provides the required…