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

Position Summary
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 and third-party healthcare systems from an
  infrastructure perspective.
• Coordinate with software vendors and healthcare technology partners on system
  upgrades, connectivity, and technical issues.
• Understand the importance of system availability and data integrity in a clinical
  laboratory environment.

• Monitor critical servers, applications, network devices, and infrastructure services.
• Respond to system alerts and infrastructure incidents.
• Perform root-cause analysis and implement corrective actions.
• Participate in incident management and problem resolution.
• Provide escalation-level support for complex technical issues.
• Maintain clear documentation of incidents, changes, configurations, and resolutions.

• Work with third-party vendors, managed service providers, and technology partners.
• Coordinate infrastructure-related implementations, upgrades, migrations, and new
  system deployments.
• Participate in technology evaluations and recommend infrastructure improvements.
• Assist with onboarding and implementation of new applications and systems.
• Support infrastructure projects from planning through implementation and validation.

• 3+ years of experience in systems administration, infrastructure…