Girling Health Care of New York

THIS ROLE IS 100% ONSITE IN BROOKLYN

System Administrator – Network, Security & Azure/Office 365

Position Overview

We are seeking an experienced and detail-oriented System Administrator to oversee our IT infrastructure, with a focus on network management, security, Microsoft Azure/Office 365 administration, and advanced support for service desk escalations. This role ensures the stability, security, and scalability of our technology environment while serving as a subject-matter expert for escalated technical issues.

Key Responsibilities

Network Administration

• Configure, monitor, and maintain LAN/WAN, firewalls, VPNs, switches, and wireless networks.
• Troubleshoot connectivity issues and optimize network performance across enterprise infrastructure.
• Manage IP addressing, DNS, DHCP, and routing protocols.

Security Management

• Implement and enforce security policies, standards, and procedures to safeguard systems and data.
• Manage identity and access control through Azure Active Directory and Entra ID.
• Monitor and respond to security alerts, conduct vulnerability assessments, and support compliance initiatives.
• Oversee backup, disaster recovery, and incident response processes.

Azure / Microsoft 365 Administration

• Manage Microsoft 365 services including Exchange Online, SharePoint, Teams, OneDrive, and Intune.
• Configure and support Azure cloud infrastructure, including VMs, storage, and security groups.
• Administer user accounts, licenses, permissions, and group policies.
• Support hybrid environments, including synchronization between on-prem Active Directory and Azure AD.

Service Desk Escalations

• Act as the primary escalation point for complex incidents and service requests from the IT Service Desk.
• Troubleshoot and resolve tier-2/tier-3 technical issues related to systems, networks, and cloud services.
• Provide clear documentation, root cause analysis, and knowledge base articles for recurring issues.
• Mentor and guide Service Desk staff to improve first-call resolution rates.
• Collaborate with vendors and cross-functional teams when escalated issues require external support.

General Systems Administration

• Manage software deployment, updates, and patching across endpoints and servers.
• Monitor system performance, capacity, and availability using appropriate tools.
• Collaborate with vendors and internal teams to support IT projects and upgrades.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent work experience).
• 3–5+ years of experience as a System Administrator, Network Administrator, or similar role.
• Strong expertise with Microsoft Azure, Microsoft 365, and Active Directory (on-prem and cloud).
• Solid understanding of networking technologies (TCP/IP, VLANs, VPNs, firewalls, DNS, DHCP, routing).
• Hands-on experience with security frameworks, endpoint management (e.g., Intune), and compliance tools (e.g., Microsoft Purview).
• Demonstrated experience supporting tier-2/tier-3 escalations in a Service Desk/ITIL environment.
• Strong troubleshooting skills, attention to detail, and ability to document processes.

Preferred Skills

• Microsoft certifications (e.g., AZ-104, MS-500, SC-300, MCSA/MCSE).
• Experience with automation and scripting (PowerShell, Python).
• Knowledge of ITIL practices and change management.
• Experience in healthcare or regulated industries (HIPAA, SOC 2, etc.) a plus.

What We Offer

• Competitive salary and benefits package.
• Opportunities for professional growth and certification support.
• Collaborative, team-oriented work environment.
• Exposure to enterprise-level infrastructure and cloud platforms.

Salary: $85K - $98K