Infrastructure Administrator II

Viejas Casino & Resort•Alpine, CA

10d

About The Position

The Infrastructure Administrator II independently administers, configures, troubleshoots, and improves the organization’s infrastructure environment. The role combines system and network administration, Microsoft 365 / Office 365 administration, Azure-connected services, identity administration, monitoring, patching, documentation, and project execution. The position is intended for an experienced infrastructure professional who can resolve routine and moderately complex issues independently, own assigned systems or services, lead small infrastructure projects, and contribute to hybrid cloud adoption while supporting on-premises operations. The role supports a casino environment where uptime, secure access, vendor coordination, and careful change control are essential. The position supports a 24/7, 365-day operation and requires flexibility for day, swing, graveyard, weekend, holiday, maintenance-window, and on-call assignments as needed. It does not provide supervision to others. The role also requires maintaining a clean, safe, hazard-free work environment, following company and department policies and procedures, and delivering Viejas STYLE Service with professionalism and a positive attitude.

Requirements

High school diploma or equivalent required.
Must be 21 years of age or older.
4 to 6 years of systems administration, network administration, infrastructure administration, or related enterprise IT experience.
Intermediate hands-on experience with Windows Server, SQL Server, Windows File Clustering, Active Directory, networking, Microsoft 365 / Office 365, and on-premises infrastructure.
Ability to work in a 24/7 operational environment.
Ability to work in a professional, high-pressure environment while maintaining good interpersonal skills and a positive attitude.
Ability to multitask and work well under stress.
Self-starter who is able to adjust to change.
Ability to work flexible hours during the day or evening, including weekends, holidays, and blackout dates.
Ability to follow company and department policies, procedures, and standard operating guidelines.

Nice To Haves

Associate degree, technical school coursework, bachelor’s degree, IT certifications, or equivalent hands-on experience.
Microsoft Azure Fundamentals (AZ-900), Microsoft Azure Administrator Associate (AZ-104), CompTIA Network+, Security+, or Project+ certification; Juniper entry-level, VMware, Nutanix entry- to mid-level, Linux+, or equivalent certification.
Experience with Azure or Microsoft Entra ID administration, including MFA, conditional access, user and group management, hybrid identity, or cloud application access.
Experience with virtualization platforms, backup systems, monitoring tools, patch management, endpoint management, and infrastructure security practices.

Responsibilities

Administer and maintain on-premises infrastructure, including physical and 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 and 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.
Perform infrastructure maintenance, 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 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, and 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 they are met.
Work effectively in a multicultural environment and interact with a positive attitude and professionalism.
Support a 24/7, 365-day operation and maintain flexibility for day, swing, graveyard, weekend, holiday, maintenance-window, and on-call assignments as needed.
Maintain a clean, safe, hazard-free work environment; follow company and department policies, procedures, and standard operating guidelines; and perform other duties as assigned.
Commit to delivering Viejas STYLE Service and upholding the standards that contribute to a positive experience for Guests and Team Members.