Infrastructure Administrator II

Viejas; Alpine (CA); On-site; USD 95,000 - 130,000; Full time

Job summary

Viejas Casino is seeking an Infrastructure Administrator II to independently manage and improve our on-premises and cloud-adjacent infrastructure in a 24/7 casino environment. You will handle Windows Server, SQL, AD, M365, Azure Entra ID, and virtualization while coordinating with vendors and supporting hybrid cloud initiatives.

The role requires 4–6 years of related IT experience, strong network and security practices, and the ability to work flexible shifts, including weekends and holidays.

Qualifications

• 4 to 6 years of systems administration, network administration, infrastructure administration, or related enterprise IT experience.
• Experience with Windows Server, SQL Server, Active Directory, networking, Microsoft 365 / Office 365, and on-premises infrastructure.
• Experience with Azure or Microsoft Entra ID administration, including MFA, conditional access, and hybrid identity.

Responsibilities

• Administer and maintain on-premises infrastructure including physical and virtual servers, storage, backups, network equipment, and VPN services.
• Configure, manage, and troubleshoot Windows Server, SQL Server, AD, DNS, DHCP, file services, and identity-related systems.
• Administer Microsoft 365 / Office 365 services including Exchange Online, Teams, OneDrive, SharePoint, licensing, security settings, and mailbox administration.
• Support Azure and Entra ID services including MFA, conditional access, and enterprise applications.
• Manage virtualization tasks including VM provisioning, snapshots, and resource allocation.
• Own small to medium infrastructure projects from planning to handoff.

Skills

Windows Server

SQL Server

Active Directory

Microsoft 365 / Office 365

Azure / Entra ID

Networking

Virtualization (VMware/Nutanix)

Security Practices

Education

High school diploma

Associate degree or higher

Tools

VMware

Nutanix

Juniper

Linux

Job description

Infrastructure Administrator II# Elevate Your Career Journey## Infrastructure Administrator IIApply: Viejas Casino: Full time: Posted Today: JR100963Job SummaryThe Infrastructure Administrator II independently administers, configures, troubleshoots, and improves the organization’s infrastructure environment. This role combines system administration, network administration, Microsoft 365 / Office 365 administration, Azure-connected services, identity administration, monitoring, patching, documentation, and project execution. This position is intended for an experienced infrastructure professional who can independently resolve routine and moderately complex issues, own assigned systems or services, lead small infrastructure projects, and contribute to hybrid cloud adoption while maintaining strong hands-on support for on-premises operations. The role supports a casino environment where uptime, secure access, vendor coordination, and careful change control are essential.Job DescriptionThe Infrastructure Administrator II independently administers, configures, troubleshoots, and improves the organization’s infrastructure environment. This role combines system administration, network administration, Microsoft 365 / Office 365 administration, Azure-connected services, identity administration, monitoring, patching, documentation, and project execution. This position is intended for an experienced infrastructure professional who can independently resolve routine and moderately complex issues, own assigned systems or services, lead small infrastructure projects, and contribute to hybrid cloud adoption while maintaining strong hands-on support for on-premises operations. The role supports a casino environment where uptime, secure access, vendor coordination, and careful change control are essential.**CORE SCOPE OF POSITION**• Administer and maintain on-premises infrastructure, including physical servers, virtual servers, storage, backups, network equipment, wireless systems, VPN services, and core IT platforms.• Configure, manage, and troubleshoot Windows Server, SQL Server, Active Directory, Group Policy, DNS, DHCP, file services, print services, certificate services, permissions, and identity-related systems.• Administer Microsoft 365 / Office 365 services, including Exchange Online, Teams, OneDrive, SharePoint, licensing, security settings, mailbox administration, distribution groups, shared mailboxes, retention settings, and support escalations.• Support Azure and Microsoft Entra ID services, including user and group administration, MFA, conditional access support, enterprise applications, device identity, hybrid identity, synchronization health, and access-related troubleshooting.• Support network infrastructure, including switches, routers, firewalls, VLANs, routing, VPNs, wireless systems, IP addressing, cabling standards, and connectivity troubleshooting.• Manage virtualization tasks, including virtual machine provisioning, snapshots, host monitoring, resource allocation, capacity review, and issue escalation.• Execute infrastructure maintenance activities, including patching, firmware updates, backup validation, monitoring response, vulnerability remediation, configuration reviews, and system health checks.• Own small to medium infrastructure projects or defined workstreams, including planning, technical implementation, testing, rollback planning, documentation, and handoff.• Support casino operational systems by prioritizing uptime, rapid incident response, vendor coordination, and careful change execution in a 24/7 business environment.• Review, update, resolve, and close tickets according to service expectations and escalation procedures.• Develop and maintain documentation, including SOPs, architecture notes, diagrams, asset records, build standards, configuration records, runbooks, and change documentation.• Serve as an escalation point for Infrastructure Administrator I and help desk staff.• Identify recurring issues, technical debt, security gaps, performance concerns, and process inefficiencies; recommend practical improvements.• Collaborate with security, applications, gaming systems, surveillance, facilities, vendors, and business departments to maintain reliable infrastructure operations.• Participate in incident response, root cause analysis, disaster recovery testing, backup recovery validation, and business continuity planning.• Work within defined response windows and elevate incidents within established timeframes.• Maintain a high level of team member satisfaction by clarifying needs and ensuring that they are met.• Work effectively in a multicultural environment.• Support a 24/7, 365-day operation and maintain flexibility to work day, swing, graveyard, weekend, holiday, maintenance window, and on-call assignments as needed.* Ensures that a clean, safe, hazard-free work environment is maintained.* Adheres to all company and department policies, procedures, and standard operating guidelines* Performs other duties as assigned.**STYLE SERVICE COMMITTMENT**All Team Members commit to delivering Viejas STYLE Service, our own unique delivery of hospitality service that creates an experience our Guests never want to leave. As a Viejas Team Member, your commitment to – and upholding of --- these standards is important and necessary to ensure Viejas is a place our Guests and Team Members enjoy as a place to stay, play, dine and work!**INTERACTION*** Always interact with a positive attitude and professionalism.**SUPERVISION*** Does not provide supervision to others.**EDUCATION/CERTIFICATION*** High school diploma or equivalent required.* Associate degree, technical school coursework, bachelor’s degree, IT certifications, or equivalent hands-on experience preferred.* Microsoft Azure Fundamentals (AZ-900), Microsoft Azure Administrator Associate (AZ-104), CompTIA Network+, Security+, Project+, Juniper entry-level, VMware, Nutanix entry to mid-level, Linux+, or equivalent certification preferred.**EXPERIENCE*** Must be 21 years of age or older.* 4 to 6 years of systems administration, network administration, infrastructure administration, or related enterprise IT experience.* Must have intermediate hands-on experience with Windows Server, SQL Server, Window File Clustering, Active Directory, networking, Microsoft 365 / Office 365, and on-premises infrastructure.* Experience with Azure or Microsoft Entra ID administration, including MFA, conditional access, user and group management, hybrid identity, or cloud application access preferred.* Experience with virtualization platforms, backup systems, monitoring tools, patch management, endpoint management, and infrastructure security practices preferred.**KNOWLEDGE AND SKILLS*** 4 to 6 years of systems administration, network administration, infrastructure administration, or related enterprise IT experience.* Must have intermediate hands-on experience with Windows Server, SQL Server, Window File Clustering, Active Directory, networking, Microsoft 365 / Office 365, and on-premises infrastructure.* Experience with Azure or Microsoft Entra ID administration, including MFA, conditional access, user and group management, hybrid identity, or cloud application access preferred.* Experience with virtualization platforms, backup systems, monitoring tools, patch management, endpoint management, and infrastructure security practices preferred.* Must be able to work in a 24/7 operational environment.* Ability to work in a professional high-pressure environment while demonstrating and maintaining good personal relation/people skills and a positive attitude.* Ability to multitask and work well under stress.* Must be a self-starter and able to adjust to change.* Must be able to work flexible hours during the day or evening including weekends, holidays, and all blackout dates.**Hiring Preference**The Viejas Band of Kumeyaay Indians is an equal opportunity employer. Consistent with tribal and federal law, the Viejas Band of Kumeyaay Indians applies Native American preference in hiring.**Hiring Preference**The Viejas Band of Kumeyaay Indians is an equal opportunity employer. Consistent with tribal and federal law, the Viejas Band of Kumeyaay Indians applies Native American preference in hiring.