Specialist, System Administrator

An established organization is seeking a System Administrator Specialist to join its IT Infrastructure team in Hauppauge, NY. This is a hands‑on position supporting a Microsoft-centric enterprise environment with responsibilities spanning systems administration, cloud technologies, virtualization, networking, endpoint management, and cybersecurity. This role is ideal for a well-rounded infrastructure professional who enjoys working across multiple technologies, troubleshooting complex issues, and improving the overall reliability, security, and performance of enterprise systems. Location: Hauppauge, NY (Onsite). Salary: $95,000 - $110,000. Responsibilities Administer and support Windows Server environments, Active Directory, Entra ID (Azure AD), Microsoft 365, Teams, and MFA solutions. Manage Microsoft 365 services including Exchange Online, SharePoint, OneDrive, Teams, and Intune. Oversee laptop deployments, imaging, software distribution, configuration management, and policy enforcement through Intune. Support VMware vSphere and ESXi environments, including virtualization administration and infrastructure enhancements. Assist with SQL Server administration, maintenance, backups, upgrades, and recovery operations. Maintain and troubleshoot networking infrastructure including TCP/IP, DNS, DHCP, VLANs, VPNs, wireless technologies, and enterprise firewalls. Perform server and network hardware installations, upgrades, troubleshooting, and lifecycle maintenance. Support patch management, vulnerability remediation, identity management, and cybersecurity initiatives. Provide technical support to end users and ensure a positive technology experience across the organization. Create and maintain documentation for systems, procedures, and operational processes. Qualifications 4+ years of experience in Systems Administration, Infrastructure Engineering, or a related IT role. Strong experience supporting Windows Server environments and Microsoft technologies. Hands‑on expertise with Active Directory, Entra ID (Azure AD), Microsoft 365, and Intune. Experience administering VMware vSphere and ESXi environments. Solid knowledge of networking concepts including DNS, DHCP, TCP/IP, VLANs, VPNs, and firewall management. Experience with endpoint management, device deployments, patching, encryption, and security policy enforcement. Familiarity with MFA, SSO, identity management platforms, and cybersecurity best practices. Understanding of compliance frameworks such as NIST, CMMC, or ISO 27001 is a plus. Strong troubleshooting, documentation, communication, and organizational skills. Preferred Certifications Microsoft Certifications VMware Certifications CompTIA Network+ SQL Server Certifications Other Infrastructure or Cybersecurity Certifications Applicants must be authorized to work in the United States without sponsorship. Due to the nature of the work, the ability to obtain a security clearance may be required. #J-18808-Ljbffr Glocomms