IT Senior Systems Administrator; Radio Comm Services Div

Minimum Qualifications

Bachelor''s degree. Six years of experience in information technology systems administration including creating, analyzing, and managing information technology systems are required. Additional related work experience information technology systems administration including creating, analyzing, and managing information technology systems may substitute for the required college education on a year-for-year basis.

Recuitment Notes

Miami-Dade County Communications, Information & Technology Department (CITD) is recruiting a full-time IT Senior Systems Administrator that will be assigned to the Radio Shop of the Radio Communication Services Division.

This position supports the County''s Enterprise Communications Network and mission-critical public safety systems, including Computer-Aided Dispatch (CAD) and emergency communications infrastructure. The role perfroms advanced technical work in the planning, design, implementation, administration, security, and maintenance of enterprise data, voice, wireless, and fiber-optic networks.

Responsibilities include ensuring the reliability, performance, and security of network infrastructure; administering LAN, WAN, wireless, and fiber-optic environments; troubleshooting complex network issues; and evaluating and implementing technology solutions. The position supports infrastructure modernization, capacity planning, redundancy and failover strategies, disaster recovery initiatives, and compliance with cybersecurity and public safety standards.

This posiition also manages infrastructure projects and related procurement activities, including developing technical specifications, evaluating vendor proposals, administering contracts, managing budgets, and overseeing vendor performance.

Preferred experience:

• Enterprise network infrastructure design, administration, and lifecycle management.
• Public safety communications and mission-critical systems experience.
• Technology evaluation, vendor management, and project delivery.
• Procurement, contract administration, and budget planning.
• Capacity planning, technology assessments, and infrastructure modernization.

Reporting Structure

Works under general administrative direction and exercises considerable independent judgment.

Benefits

Miami-Dade County offers great benefits including full medical, dental, and vision insurance; life and disability insurance; 457 pretax savings plan; flexible spending accounts; paid holidays, vacation and sick time; membership in the Florida Retirement System; professional development; and a tuition reimbursement program.

Final date to receive applications July 12, 2026.