Systems & Infrastructure Administrator

Location:

New Jersey
Work Arrangement:
On-site

Employment Type:

Full-Time
Salary Range: $60,000–$80,000 per year, depending on experience and qualifications

We are seeking an experienced Systems & Infrastructure Administrator to join our IT team and take ownership of the organization’s server infrastructure, Microsoft 365 environment, networking, security, backups, endpoint management, and day-to-day systems administration. The ideal candidate will have strong hands‑on experience managing Windows environments, Microsoft 365, virtualization, networking, firewalls, VPNs, backup systems, and security platforms. Experience supporting healthcare, laboratory, LIS, EMR, or other mission‑critical environments is highly desirable.

This position will work closely with the IT, LIS, and Integration teams to maintain a reliable, secure, and highly available technology environment supporting laboratory operations.

• Administer and maintain Windows Server environments, including Active Directory, DNS, DHCP, Group Policy, file services, and application servers.
• Manage physical and virtual servers and troubleshoot hardware, operating system, storage, and performance issues.
• Monitor system availability, capacity, performance, and resource utilization.
• Perform system upgrades, patches, maintenance, and configuration changes.
• Maintain server documentation, system inventories, configurations, and technical procedures.
• Troubleshoot complex infrastructure and application issues and coordinate with vendors when necessary.
• Support scheduled maintenance, upgrades, and production changes with minimal operational disruption.

• Administer Microsoft 365 services, including Exchange Online, Microsoft Entra , Microsoft Intune, and user/device management.
• Manage user accounts, permissions, security groups, licenses, and access policies.
• Assist with Microsoft 365 security and configuration.
• Support endpoint enrollment, configuration, and management through Intune.
• Monitor Microsoft 365 service health and resolve user and system issues.

• Manage and troubleshoot LAN/WAN connectivity, TCP/IP, DNS, DHCP, VLANs, routing, and related network services.
• Administer and troubleshoot firewalls, VPNs, remote-access solutions, and secure network connectivity.
• Work with vendors and third‑party partners to establish and maintain VPN, SFTP, and other connectivity.
• Troubleshoot connectivity issues between internal systems, cloud applications, laboratories, EMRs, and external partners.
• Maintain network diagrams and infrastructure documentation.

• Manage and monitor backup systems and backup jobs.
• Verify successful backups and investigate failures.
• Participate in disaster recovery planning, testing, and recovery procedures.
• Assist with business continuity planning for critical systems.
• Maintain appropriate backup retention and recovery documentation.
• Participate in periodic restore testing to verify backup integrity.

• Support endpoint security, antivirus/EDR, patch management, vulnerability remediation, and system hardening.
• Assist with security monitoring and investigation of system alerts.
• Implement and maintain appropriate access controls and least‑privilege practices.
• Support security assessments, risk remediation, and audit requirements.
• Ensure systems are maintained in accordance with organizational security policies and applicable regulatory requirements.

• Provide infrastructure support for laboratory information systems, EMR‑related applications, interfaces, and other healthcare technology.
• Support laboratory applications…