Systems & Infrastructure Administrator

Job Description

Job Description

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.
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.
Required Qualifications
• 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.
Why Join Us?
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

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