IT Senior Systems Administrator (Network & Transport Division

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 in 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. Recruitment Notes The Communications, Information & Technology Department (CITD), Network & Transport Division, IT Senior Systems Administrator position supports the County''s Enterprise Communication Network. This is complex and specialized technical support work in planning, designing, implementing, evaluating, maintaining, and management of complex enterprise data, voice, wireless, and fiber optic networks used in support of applications and control systems. An incumbent in this classification is responsible for the engineering and support of the county''s enterprise communication network. Duties include, but are not limited to, the analysis of vendor hardware, vendor software, determining corrective measures for hardware and applications malfunctions, determining the most feasible design for interfaces between hardware and application systems, and establishing and enforcing network security and hardware standards. Additional responsibilities include project design and programming of local area networks, wide area networks, wireless 802.11 networks, fiber optic communication networks, forecasting traffic analysis, conducting feasibility studies, and cost studies of new technology and production network infrastructure. General direction is received from an administrative superior who confers on application and operation problems and evaluates work for qualify of results. Experience with the following is preferred: Short Path Bridging Protocol OSPF routing protocol Protocols in a multi-area environment Software Defined Networking (SDN) Python Programming Switch scripting WIFI RF engineering WIFI enterprise management (non-controller based) O-auth SAML Open ID Designing, managing, and implementing complex network infrastructure projects 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. Deadline to apply is May 26, 2026.