Systems & Infrastructure Administrator

Dart Healthcare Staffing • Newark, NJ

1d • Onsite

About The Position

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.

Requirements

• 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.

Nice To Haves

• 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.

Responsibilities

• 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 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.
• 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.

Benefits

• This is an opportunity to play a key role in maintaining and improving the technology infrastructure supporting a growing clinical laboratory environment.
• The position offers significant ownership of infrastructure, exposure to healthcare technology, and the opportunity to work across systems, networking, security, cloud, and laboratory applications

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree