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System Administrator

Job in Uniondale, Nassau County, New York, 11553, USA
Listing for: St. Mary's Healthcare System for Children
Full Time position
Listed on 2026-11-05
Job specializations:
  • IT/Tech
    Systems Administrator
Salary/Wage Range or Industry Benchmark: 75000 - 110000 USD Yearly USD 75000.00 110000.00 YEAR
Job Description & How to Apply Below
Position: SYSTEM ADMINISTRATOR

Systems Administrator - Excellent Opportunity

Location:

Bayside, Queens, New York

Join St. Mary's Hospital for Children as a Systems Administrator and help maintain the technology infrastructure that supports our mission-driven organization. This hands-on role is responsible for the availability, security, performance, and reliability of servers, networks, operating systems, virtual environments, and end-user technology.

Key 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.
#SMSA
123 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 Power Shell for scripting and automation.
  • An understanding of cybersecurity principles, patch management, and Security Information and Event Management tools.
  • Strong troubleshooting, documentation, collaboration, and problem-solving skills.
About The Opportunity

This 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. The Systems Administrator will play an important role in maintaining a secure, stable, and responsive technology environment.

Summary

Join our fabulous team of professionals where big hearts help little patients!

We RECOGNIZE ability and REWARD excellence. We offer a competitive salary and generous benefits:

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

St. Mary's Healthcare System for Children is committed to nurturing a compassionate environment that welcomes all children, young adults, families, and staff; built on the belief that what makes us different makes us stronger, and provides unity throughout our community.

St. Mary's Healthcare System for Children is an Equal Opportunity Employer M/F/D/V/SO

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