Infrastructure Administrator III

Infrastructure Administrator III

The Infrastructure Administrator III serves as a senior technical resource for the organization's infrastructure environment. This role leads advanced administration, infrastructure design, complex troubleshooting, hybrid cloud support, network architecture support, Microsoft 365 / Office 365 administration, Azure and identity governance, configuration standards, lifecycle planning, disaster recovery, security hardening, and infrastructure project leadership. This position is intended for a senior infrastructure professional who can independently lead complex initiatives, resolve high-impact technical issues, make senior-level technical recommendations, mentor lower-level staff, and help guide the organization's transition from primarily on-premises infrastructure to a stable hybrid infrastructure model.

The role supports a casino environment where availability, security, compliance, careful change planning, vendor coordination, and rapid incident response are critical.

Core Scope Of Position

• Lead administration, engineering, optimization, and lifecycle management of on-premises and cloud-connected infrastructure, including servers, virtualization, storage, backups, networking, identity, Microsoft 365, Azure, monitoring, and core IT services.
• Implement and improve infrastructure standards for reliability, security, performance, capacity, manageability, disaster recovery, operational consistency, and business continuity.
• Serve as the senior escalation point for complex infrastructure incidents involving servers, networks, storage, virtualization, backups, identity, Microsoft 365, Azure, authentication, performance, availability, or security controls.
• Lead advanced Microsoft 365 / Office 365 administration, including Exchange Online, Teams, SharePoint, One Drive, licensing strategy, security configuration, retention support, collaboration standards, and service health response.
• Lead advanced Azure and Microsoft Entra , including hybrid identity, MFA, conditional access, enterprise application access, synchronization health, privileged access practices, device identity, tenant configuration support, and cloud security coordination.
• Lead advanced networking support involving routing, switching, VLAN design, firewall coordination, VPN architecture, wireless infrastructure, network segmentation, resiliency, and performance troubleshooting.
• Lead advanced systems support involving Windows Server, SQL Server, Active Directory architecture, Group Policy design, DNS/DHCP strategy, certificate services, file services, virtualization, storage, and backup architecture.
• Own complex infrastructure projects end to end, including discovery, scope definition, technical design, risk analysis, business impact review, implementation planning, stakeholder communication, testing, rollback planning, documentation, and operational handoff.
• Support casino operations by designing reliable infrastructure for 24/7 uptime, minimizing risk during changes, coordinating maintenance windows, and ensuring rapid response to business-impacting incidents.
• Establish and maintain configuration baselines, build standards, hardening guides, naming conventions, documentation standards, patching practices, monitoring standards, and operational runbooks.
• Evaluate capacity, performance trends, asset lifecycle needs, cloud adoption opportunities, licensing impacts, security risks, technical debt, and future infrastructure requirements.
• Mentor Infrastructure Administrator I and II team members through technical guidance, peer review, troubleshooting support, documentation review, and standards enforcement.
• Partner with security teams to support vulnerability remediation, privileged access controls, logging, monitoring, backup integrity, hardening, incident response, and compliance efforts.
• Contribute to disaster recovery planning, backup strategy, recovery testing, business continuity planning, and infrastructure resilience improvements.
• Coordinate with vendors, managed service providers, gaming system vendors, surveillance vendors, facilities teams, procurement, management, and business stakeholders.
• Recommend and implement automation, scripting, monitoring, and process improvements to reduce manual effort and increase operational consistency.
• Work within defined response windows and elevate incidents within established time frames.
• Maintain a high level of team member satisfaction through clear communication, professionalism, technical ownership, and customer service.
• Work effectively in a multicultural environment.
• Operate with limited supervision while demonstrating full proficiency and senior-level judgment within the discipline.
• 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 based on business needs. Ensures that a clean, safe, hazard-free work environment is maintained.
• Adheres to all company and department policies,…