Job Summary:The Systems & Infrastructure Engineer is a hands-on technical resource responsible for both the organization's enterprise network and server infrastructure. This role engineers, administers, secures, monitors, and supports Cisco enterprise networking, Microsoft Windows Server environments, firewalls, wireless, virtualization, storage, backup, and related infrastructure platforms. Working with Information Technology staff, Major League Baseball, vendors, and business stakeholders, the engineer delivers approved infrastructure improvements and reliable support for daily operations, game days, and events.Job Duties:Network InfrastructureDesign, implement, administer, and maintain enterprise network infrastructure, including Cisco switching and routing, VLANs and network segmentation, VPNs, wireless networks, enterprise firewalls, and related network services.Monitor network availability, capacity, performance, and security; troubleshoot complex connectivity and performance issues, perform root cause analysis, and implement sustainable corrective actions.Apply organizational standards, cybersecurity controls, lifecycle practices, and operational requirements while recommending improvements to network reliability, scalability, performance, and security.Server & Systems InfrastructureDesign, implement, administer, and maintain Microsoft Windows Server infrastructure and related enterprise systems, including server deployment and configuration, Active Directory, Group Policy, DNS, DHCP, virtualization, storage, backup, monitoring, and core services.Perform server upgrades, patching, migrations, performance troubleshooting, capacity management, and lifecycle activities across physical and virtual server environments.Troubleshoot complex issues across Windows Server, virtualization, storage, backup, authentication, and related infrastructure; perform root cause analysis and implement sustainable corrective actions.Projects & Change DeliveryExecute approved infrastructure projects, including deployments, upgrades, migrations, hardware refreshes, disaster recovery improvements, and enterprise platform implementations; prepare implementation, testing, rollback, change, and documentation plans.Coordinate technical activities with Information Technology staff, MLB, vendors, and external partners, and elevate material risks, dependencies, or decisions to Information Technology leadership.Stadium & Operational SupportAdminister and support Busch Stadium wireless infrastructure, including Extreme Networks technologies; analyze health, performance, capacity, and security trends and coordinate approved improvements.Serve as an advanced escalation resource for network, server, and infrastructure incidents and support game days, special events, and planned after-hours maintenance as business needs require.Maintain accurate infrastructure documentation, diagrams, configurations, standards, and operating procedures to support continuity and knowledge transfer.Technical CollaborationProvide technical guidance and knowledge sharing to Information Technology staff and contribute engineering input to standards, capacity planning, and infrastructure roadmaps.Evaluate relevant technologies and present recommendations, tradeoffs, and implementation considerations to Information Technology leadership.Education/Experience Required:Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field, or an equivalent combination of education and experience.Three or more years of progressively responsible, hands-on experience supporting enterprise network and server infrastructure. Candidates should have substantive experience administering and troubleshooting both Cisco enterprise networking and Microsoft Windows Server environments. The depth and complexity of work performed will be considered alongside total years of experience.Hands-on experience administering Cisco enterprise switching and routing environments, including TCP/IP, VLANs, spanning tree, routing, QoS, network segmentation, VPNs, wireless networking, and related technologies.Hands-on experience administering Microsoft Windows Server environments, including server deployment, configuration, Active Directory, Group Policy, DNS, DHCP, patching, and troubleshooting.Experience supporting virtualization, storage, backup, monitoring, logging, and performance analysis technologies.Strong understanding of enterprise cybersecurity principles and secure infrastructure architecture.Advanced troubleshooting and root cause analysis skills across networking, Windows Server, virtualization, storage, and security technologies.Ability to independently work through infrastructure problems, understand dependencies across systems, and implement appropriate technical changes.Ability to execute multiple infrastructure projects within approved priorities and maintain clear technical and change documentation.Strong analytical, organizational, collaboration, and communication skills, including the ability to explain technical concepts to technical and non-technical audiences.Ability to access equipment throughout office buildings, data centers, telecommunications rooms, and stadium facilities and to work evenings, weekends, holidays, and scheduled maintenance windows as business needs require.Education/Experience Preferred:Five or more years of progressively responsible enterprise infrastructure experience, including independent responsibility for complex implementations, troubleshooting, upgrades, migrations, or other significant infrastructure work across network and server environments.Advanced degree in Information Technology, Computer Science, Engineering, or a related field, or additional directly relevant experience.Hands-on experience administering Palo Alto firewall platforms.Experience serving as the technical lead for significant infrastructure implementations, migrations, upgrades, or hardware refreshes.Experience administering Extreme Networks switching and wireless infrastructure in stadium, venue, or other high-density environments.Experience supporting technology in Major League Baseball or another professional sports organization.Relevant industry certifications in networking, systems, virtualization, or security.