Infrastructure Administrator

Green Valley Grocery, Inc.; Henderson (NV); On-site; USD 85,000 - 115,000; Full time

Job summary

Green Valley Grocery, Inc. in Henderson, NV seeks an IT Infrastructure Administrator to manage Windows Server environments, AD/GP, DNS/DHCP, and cloud services. You will oversee virtualization, backups, and DR, while maintaining network connectivity across multiple sites.

Responsibilities include planning upgrades, documenting systems, and collaborating with vendors to ensure reliability and security. This full-time onsite role requires strong troubleshooting and communication skills.

Qualifications

• This role requires 3+ years of IT infrastructure experience.
• Strong knowledge of Windows Server, AD, DNS/DHCP, and Microsoft 365.
• Experience with virtualization, backup, DR, and security basics.
• Proficient in scripting/automation and documenting configurations.

Responsibilities

• Administer, maintain, monitor, and troubleshoot Windows Server environments.
• Manage Active Directory, Group Policy, DNS, DHCP, and core Microsoft services.
• Administer Microsoft 365, Entra ID, and cloud-based services.
• Maintain virtual server, compute, storage, and networking infrastructure.
• Monitor performance, capacity, availability, and health.
• Maintain LAN/WAN/VPN, firewalls, wireless, and site-to-site connectivity.
• Configure switches, routers, firewalls, APs, VPN, and related network gear.
• Support connectivity between offices, data centers, clouds, and remote locations.
• Administer backups and verify recoveries; participate in DR testing.
• Plan infrastructure upgrades, migrations, deployments, and projects.
• Document configurations, diagrams, credentials, and standards.

Skills

Windows Server

Active Directory

Group Policy

DNS

DHCP

Microsoft 365

Entra ID

Virtualization

Backup and DR

PowerShell

Scripting/Automation

Vendor coordination

Tools

PowerShell

Job description

Description

Essential Duties and 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.
• Performs other duties as assigned by IT management.
• Participate in infrastructure maintenance outside normal business hours when necessary.

Infrastructure Responsibilities

The Infrastructure Administrator may support technologies including:

• Active Directory and Group Policy
• DNS and DHCP
• Server and storage infrastructure
• Firewalls and VPN technologies
• Managed switches and wireless networks
• Backup and disaster recovery platforms
• Endpoint protection and EDR solutions
• Remote access technologies
• Cloud and SaaS applications
• Network security technologies
• UPS and supporting data center equipment

Minimum Qualifications

• 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.

Preferred Qualifications

• 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.

Knowledge, Skills, and Abilities

Successful candidates should demonstrate:

• Strong technical troubleshooting and analytical skills.
• A proactive approach to infrastructure monitoring and maintenance.
• Ability to recognize potential problems before they result in outages.
• Strong understanding of infrastructure dependencies and business impact.
• Ability to prioritize incidents based on severity and operational impact.
• Ability to work independently while collaborating effectively with other IT team members.
• Strong attention to detail and documentation.
• Ability to remain effective during outages or high-priority incidents.
• Customer-service-oriented approach when working with employees and business stakeholders.
• Ability to coordinate effectively with third-party vendors and technology partners.

Physical and Availability Requirements

• Ability to occasionally lift and move computer, network, or server equipment weighing up to approximately 50 pounds.
• Ability to work in server rooms, network closets, offices, and remote business locations as required.
• Ability to travel to company locations when necessary.
• Ability to perform scheduled maintenance outside normal business hours when required.
• Ability to participate in after-hours escalation or on-call support as assigned.

Equal Opportunity Employer

This employer is required to notify all applicants of their rights pursuant to federal employment laws.For further information, please review the Know Your Rights notice from the Department of Labor.