Systems Administrator – Hybrid IT & Security Champion

St. Mary's Healthcare System for Children; Uniondale (NY); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Excellent individual/family benefits

Generous paid time off

Tuition reimbursement

Life insurance

Flexible spending accounts

403(b) retirement plan

Job summary

St. Mary's Healthcare System for Children in Queens (Bayside) seeks a Systems Administrator to maintain servers, networks, and end-user tech, ensuring high availability and security across the infrastructure.

You will manage Active Directory, DNS/DHCP, and virtualization environments, with hands-on work on firewalls, load balancers, and cloud services. A strong scripting and documentation mindset is essential to support projects and DR planning.

Qualifications

• 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 SIEM tools.
• Strong troubleshooting, documentation, collaboration, and problem-solving skills.

Responsibilities

• Install, configure, and maintain servers, operating systems, and network equipment.
• Monitor system performance and ensure high availability of IT services.
• Administer Active Directory, user accounts, permissions, Group Policy, and workstation configurations.
• Configure DNS, DHCP, and IP address management.
• Implement and support security protocols, firewalls, encryption standards, and patches.
• Perform regular system backups and support disaster recovery planning.
• Troubleshoot hardware, software, network, and connectivity issues promptly.
• Support Wyse thin clients, VDI, and virtualization environments.
• Conduct preventive maintenance and system upgrades.
• Create and maintain documentation for configurations, processes, procedures, and IT policies.
• Collaborate with cross-functional teams on technology projects.

Skills

Windows OS

Linux

Networking

VMware

Citrix

Active Directory

PowerShell

Cybersecurity

Documentation

Tools

Microsoft 365

Microsoft Teams Telephony

Microsoft Azure

Wyse thin clients

VDI

Job description

St. Mary's Healthcare System for Children in Queens (Bayside) seeks a Systems Administrator to maintain servers, networks, and end-user tech, ensuring high availability and security across the infrastructure.

You will manage Active Directory, DNS/DHCP, and virtualization environments, with hands-on work on firewalls, load balancers, and cloud services. A strong scripting and documentation mindset is essential to support projects and DR planning.