SYSTEM ADMINISTRATOR

About the role

St. Mary’s Hospital for Children in Bayside, Queens, New York seeks a Systems Administrator to maintain the technology infrastructure supporting its mission-driven organization. This hands-on role ensures the availability, security, performance, and reliability of servers, networks, operating systems, virtual environments, and end-user technology. The position is well suited for a technically skilled professional who enjoys solving complex infrastructure issues, strengthening system reliability, and partnering with colleagues to support organizational priorities.

Responsibilities

• Install, configure, and maintain servers, operating systems, and network equipment.
• Monitor system performance and help ensure the high availability of IT services.
• Administer Active Directory, user accounts, permissions, Group Policy, and workstation configurations.
• Configure and maintain DNS, DHCP, and IP address management.
• Implement and support security protocols, firewalls, encryption standards, patching, and other cybersecurity safeguards.
• Perform regular system backups and support disaster recovery planning.
• Troubleshoot and resolve hardware, software, network, and connectivity issues in a timely manner.
• Support Wyse thin clients, virtual desktop infrastructure, and related virtualization environments.
• Conduct preventive maintenance and implement system upgrades.
• Create and maintain documentation for configurations, processes, procedures, and IT policies.
• Support technology projects and collaborate with cross-functional teams throughout the organization.

Requirements

• Proficiency with Windows and Linux operating systems.
• Strong knowledge of LAN/WAN networking and virtualization technologies.
• Experience administering Microsoft 365, Microsoft Teams Telephony, Microsoft Azure, VMware, and Citrix virtualization.
• Hands-on experience with load balancers, Palo Alto firewalls, Cisco access points, and HPE routing and switching.
• Expertise in Active Directory, DNS, DHCP, and Group Policy Management.
• Familiarity with Wyse thin clients and virtual desktop environments.
• Experience using PowerShell for scripting and automation.
• Understanding of cybersecurity principles, patch management, and Security Information and Event Management tools.
• Strong troubleshooting, documentation, collaboration, and problem-solving skills.

Benefits

• Excellent individual/family benefits
• Generous paid time off
• Tuition reimbursement
• Life insurance
• Flexible spending accounts
• 403(b) retirement plan