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. 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 #J-18808-Ljbffr Dart Healthcare Staffing