Infrastructure Engineer - IS Systems Specialist III (Open & Promotional)

County of San Mateo • San Mateo, CA

6d • Onsite

About The Position

The County of San Mateo's Technology Services Department is seeking a qualified Infrastructure Engineer. This role involves performing complex and varied technical tasks related to the configuration, troubleshooting, maintenance, and monitoring of the County's infrastructure. The individual will serve as a technical leader and subject matter expert, designing, analyzing, managing, and maintaining physical and virtual server infrastructures and storage systems. Responsibilities also include configuring, managing, and monitoring backup infrastructure, providing recommendations and support to other staff and users, and performing related duties. This is an advanced journey-level classification within the IS Systems Specialist series, requiring independent judgment and initiative to solve complex problems.

Requirements

• 5+ years of professional experience administering enterprise server infrastructure, with strong expertise in Windows Server environments.
• Advanced knowledge of Active Directory domain and forest administration, including group policy, DNS, replication, domain controllers, trusts, security delegation, and enterprise-scale AD design.
• Experience supporting Identity Providers (IdP) in a hybrid cloud environment, including Okta, OAuth, MFA, Microsoft Entra ID, Azure AD Connect, or equivalent.
• Deep technical experience with virtualization platforms, including VMware vCenter/ESXi and experience with Nutanix-based hyperconverged infrastructure; Hyper-V experience is a plus.
• Experience managing servers and core infrastructure services in hybrid cloud environments, including on-premises data centers, cloud-hosted workloads, monitoring, patching, backup, and disaster recovery practices.
• Strong Windows Server administration skills, including installation, configuration, hardening, troubleshooting, performance tuning, lifecycle management, and automation at scale.
• Working knowledge of Linux server administration, including provisioning, basic configuration, patching, access control, and troubleshooting in an enterprise environment.
• Experience with infrastructure automation and endpoint/server management tools, such as Microsoft Configuration Manager/SCCM, Ansible, PowerShell, scripting, or similar platforms.
• Strong interpersonal, documentation, and communication skills, with the ability to work effectively with technical teams, vendors, management, and business stakeholders.
• Equivalent to graduation from an accredited four-year college or university with major coursework in management information systems, computer science, or a related field and four (4) years of increasingly responsible experience in supporting and implementing information technology infrastructure and/or server administration and specific to the specialty area assigned which includes data center management, IT facilities management, storage and backup, server management and server operating systems, and/or configuration management and event management.
• Additional related experience may substitute for education requirement on a year-for-year basis, up to four (4) years.

Nice To Haves

• Hyper-V experience is a plus.

Responsibilities

• Performs the most complex and varied technical tasks related to the configuration, troubleshooting, maintenance, and monitoring of the County's infrastructure.
• Serves as a technical leader and subject matter expert in specific area(s).
• Designs, analyzes, manages, and maintains multiple physical and virtual server infrastructures and storage systems ensuring proper integration of these components with existing system architecture.
• Configures, manages, and monitors backup infrastructure.
• Provides recommendations, support, and training to other technology services support staff and County users in areas of responsibility.
• Analyzes, installs, configures, maintains, and monitors hardware and software upgrades to ensure effective server performance.
• Configures and implements real-time monitoring to identify and resolve service outages and critical resource shortages in a timely and efficient manner.
• Monitors system performance to identify and troubleshoot deficiencies in design, security, installation, and/or integration with other technologies.
• Researches, recommends, and implements system enhancements to improve the performance and reliability of the system; researches, recommends, tests, and implements upgrades and fixes as needed.
• Develops and recommends comprehensive standards, policies, procedures, and technical documentation pertaining to system maintenance and infrastructure.
• Provides specialized and complex technical support and assistance to staff concerning assigned systems; serves as the primary contact for and resolves related issues, conflicts, and concerns; responds to inquiries and provides information concerning system operations, projects, malfunctions, equipment, upgrades, practices, procedures, and related software applications.
• Serves as technical lead for assigned projects, including developing project budget and allocating resources, gathering user and systems requirements, working with vendors, contractors, project managers, and other project staff, installing, configuring, testing, and providing general technical support, and developing technical and user documentation.
• Provides direction during major server incidents to ensure an expedient response and resolution; maintains communication with all stakeholders on server infrastructure status; identifies underlying problems causing incidents and designs, proposes, and implements resolutions.
• Functions as a liaison between project managers, analysts, data specialists, communications specialists, and client systems specialists to ensure standards and protocols are maintained; assists in coordinating activities with other technology services staff.
• Provides recommendations to managers and supervisors on the development of long- and short-term system infrastructure plans.
• Participates in the review and recommendation of contracts with outside vendors and consultants; administers, monitors, and evaluates contract scope of work; reviews design documents to ensure technical integrity.
• Stays abreast of new trends and innovations in technology related to County operations; researches, recommends, and evaluates vendor solutions and technologies; implements improvements; works with staff to maintain, revise, or improve operations and systems.
• Writes and maintains user and technical operating instructions and documentation; provides training to users and other technical staff and advises on best practices.
• Performs other duties as assigned.

Benefits

• Some positions may require possession of, or ability to obtain, a valid California Driver's License.
• Some positions may require possession of, or ability to obtain, industry-recognized information technology certifications.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior