Systems & Infrastructure Administrator

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.

Key Responsibilities

Systems Administration & Infrastructure

• 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.

Microsoft 365 & Cloud Administration

• Administer Microsoft 365 services, including Exchange Online, Microsoft Entra ID,

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.

Network & Connectivity

• 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.

Backup, Disaster Recovery & Business Continuity

• 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.

Security & Endpoint Management

• 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.

Healthcare / Laboratory Systems Support

• 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.

Monitoring & Technical Support

• 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.

Vendor & Project Support

• 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 administration, or a

related IT role.

• Strong experience with Microsoft Windows Server.

• Experience with Active Directory, Group Policy, DNS, and DHCP.

• Strong Microsoft 365 administration experience.

• Experience with Microsoft Entra ID and/or Intune.

• Experience managing virtual environments such as VMware or Hyper-V.

• Strong networking and troubleshooting skills.

• Experience with firewalls, VPNs, TCP/IP, and network troubleshooting.

• Experience with backup and disaster recovery technologies.

• Experience with endpoint security and EDR/antivirus platforms.

• Strong troubleshooting and problem-solving skills.

• Ability to work independently and manage multiple priorities.

Preferred Qualifications

• Experience working in healthcare, laboratory, LIS, EMR, or other regulated

environments.

• Experience with SFTP and secure file-transfer technologies.

• Experience with cloud infrastructure and Microsoft Azure.

• Experience with SonicWall or similar enterprise firewalls.

• Experience with Acronis or similar backup platforms.

• Familiarity with HIPAA, security controls, and healthcare IT requirements.

• Experience supporting systems that require high availability and controlled maintenance

windows.

Education & Certifications

• Bachelor’s degree in Information Technology, Computer Science, Information Systems, or

a related field preferred.

• Equivalent professional experience may be considered in place of a degree.

• Microsoft, VMware, CompTIA, Cisco, or other relevant certifications are a plus.

Core Skills

• Windows Server Administration

• Active Directory / Entra ID

• Microsoft 365

• Microsoft Intune

• VMware / Hyper-V

• Networking & TCP/IP

• Firewall & VPN Administration

• Backup & Disaster Recovery

• Endpoint Security / EDR

• Cloud Administration

• Infrastructure Monitoring

• Vendor Management

• Troubleshooting & Root Cause Analysis

• Healthcare IT / LIS / EMR Support

Work Schedule & Availability

This is primarily a business-hours position, with participation in scheduled maintenance and

infrastructure upgrade activities outside normal business hours when required.

The successful candidate must be willing to participate in an on-call or after-hours escalation

rotation for critical infrastructure issues and planned maintenance.