The Systems & Network Administrator is responsible for the day-to-day administration, monitoring, maintenance, troubleshooting, and operational support of enterprise systems and network services across corporate, distributed-site, on-premises, and cloud-hosted environments. The role combines hands-on systems administration with network operations to help ensure reliable, secure, and efficient technology services for internal and external users.
The position works within established architectures, standards, security requirements, and configuration patterns. The role gathers requirements and operational evidence, implements approved solutions, maintains documentation, and collaborates with engineering and security teams on new designs, material architecture changes, major topology or segmentation changes, and solutions outside established patterns.
Core Responsibilities
Systems Administration and Server Operations
Administer and support Windows Server workloads and core infrastructure services across approved physical, virtual, on-premises, Azure, and AWS environments.
Install, configure, maintain, upgrade, and troubleshoot server software, hardware, operating systems, hosted desktops, and related technology tools.
Support Active Directory and related directory services, including domain controllers, trusts, DNS, DHCP, Group Policy, authentication dependencies, user accounts, and workstations.
Support Microsoft 365, Microsoft Entra ID, Intune, Office 365 services, and assigned identity-management activities.
Execute approved server patching, driver and firmware maintenance, reboots, lifecycle activities, and remediation of failed updates.
Monitor server health, storage, service availability, scheduled tasks, application services, certificates, and system alerts; resolve routine infrastructure issues.
Monitor backup and replication jobs, investigate failures or degraded jobs, coordinate remediation, and support recovery workflows.
Support Hyper-V, IIS, SaaS, and IaaS platforms within assigned operational responsibilities.
Set up and maintain accounts, workstations, and hosted end-user environments as assigned.
Network Operations and Administration
Administer and monitor firewalls, switches, wireless access points, WAN circuits, VPNs, SD-WAN, and related network services using approved platforms and standards.
Perform routine approved configuration changes, software and firmware maintenance, configuration backups, hardware lifecycle tasks, and post-change validation.
Monitor network health, site connectivity, and performance; respond to outages, degradation, alerts, and user-reported connectivity issues.
Administer DNS records and other assigned network services within established approval boundaries.
Maintain network inventories, circuit records, vendor information, support entitlements, licensing, and configuration documentation.
Provide day-to-day administration and troubleshooting for Fortinet environments, including FortiGate, FortiSwitch, FortiAP, and related management and support workflows.
Coordinate carrier circuit turn-ups, equipment replacements, site migrations, new-office readiness, structured cabling activities, and approved network refreshes.
Partner with engineering teams on new network designs, major topology or segmentation changes, and solutions outside established patterns.
Incident Response, Support, and Troubleshooting
Own troubleshooting and restoration activities for assigned production-system and network incidents from initial diagnosis through documented resolution or escalation.
Troubleshoot Windows services, wired and wireless connectivity, firewalls, VPNs, DNS, DHCP, routing, switching, authentication, ISP circuits, and hosted infrastructure using logs, monitoring data, packet-level evidence, and vendor diagnostics.
Respond to and resolve Tier 2 help desk requests and support internal and external users with a strong customer-service orientation.
Coordinate office and site outage response, implement…