Infrastructure Administrator

Green Valley Grocery•Henderson, NV

12d•Hybrid

About The Position

The Infrastructure Administrator is responsible for administering, maintaining, monitoring, and troubleshooting Windows Server environments and related infrastructure. This role involves managing core Microsoft services, cloud-based services, virtual server environments, and network connectivity. The administrator will also be responsible for system patching, backup systems, disaster recovery, and supporting technology projects and new locations. A key aspect of this role is maintaining accurate documentation and identifying opportunities for technology improvement. The position requires a proactive approach to monitoring and addressing potential reliability or security issues, as well as troubleshooting escalated incidents and working with vendors.

Requirements

3+ years of professional experience administering IT infrastructure, systems, or networks.
Strong working knowledge of Microsoft Windows Server environments.
Experience administering Active Directory, Group Policy, DNS, and DHCP.
Experience with Microsoft 365 and cloud identity technologies.
Working knowledge of networking concepts including TCP/IP, VLANs, routing, switching, DNS, DHCP, VPNs, and firewalls.
Experience troubleshooting server, network, and infrastructure-related issues.
Experience working with virtualization technologies.
Experience with backup and disaster recovery technologies.
Ability to independently diagnose and resolve complex technical problems.
Ability to document technical configurations and procedures clearly.
Strong organizational and time-management skills.
Strong written and verbal communication skills.
Ability to communicate technical information to both technical and non-technical personnel.
Ability to manage multiple priorities in a fast-paced operational environment.

Nice To Haves

5+ years of infrastructure, systems administration, or network administration experience.
Experience supporting a multi-site or geographically distributed organization.
Experience supporting retail, convenience store, hospitality, restaurant, or other 24/7 operational environments.
Experience with enterprise firewall and SD-WAN technologies.
Experience with hyperconverged or enterprise virtualization infrastructure.
Experience with infrastructure monitoring and automation tools.
Experience supporting cloud and hybrid infrastructure environments.
Experience with PowerShell or other scripting/automation technologies.
Experience participating in disaster recovery or business continuity exercises.
Familiarity with PCI DSS or other security/compliance frameworks.
Microsoft, Cisco, CompTIA, Fortinet, VMware, Nutanix, or comparable industry certifications.

Responsibilities

Administer, maintain, monitor, and troubleshoot Windows Server environments and related infrastructure.
Manage Active Directory, Group Policy, DNS, DHCP, user authentication, and other core Microsoft services.
Administer Microsoft 365, Entra ID, and other cloud-based services.
Maintain virtual server environments and supporting compute, storage, and networking infrastructure.
Monitor infrastructure performance, capacity, availability, and system health.
Maintain LAN, WAN, VPN, firewall, wireless, and site-to-site network connectivity.
Configure and troubleshoot switches, routers, firewalls, access points, VPN connections, and related network equipment.
Support connectivity between corporate offices, data centers, cloud environments, and remote business locations.
Administer server and infrastructure backup systems and regularly verify successful backups.
Participate in disaster recovery testing, documentation, and recovery procedures.
Maintain system patching, firmware updates, operating system updates, and infrastructure lifecycle management.
Monitor infrastructure alerts and proactively address potential reliability or security issues.
Troubleshoot escalated incidents involving servers, networking, authentication, applications, connectivity, and infrastructure.
Work with vendors and service providers to troubleshoot telecommunications, networking, hardware, software, and infrastructure issues.
Participate in the planning and implementation of infrastructure upgrades, migrations, deployments, and technology projects.
Support new locations, relocations, acquisitions, integrations, and technology installations as required.
Maintain accurate documentation of infrastructure configurations, network diagrams, systems, procedures, credentials, and technology standards.
Identify aging or unsupported technology and provide recommendations for replacement or improvement.
Perform other duties as assigned by IT management.
Participate in infrastructure maintenance outside normal business hours when necessary.