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About the Role

Riot is expanding into hyperscale data centers for AI and HPC clients, seeking a Systems Administrator to support and maintain internal infrastructure across multiple locations. This role is responsible for the day-to-day operation, stability, and performance of core IT systems, including servers, virtualization platforms, and Microsoft cloud services. The ideal candidate is technically strong, detail-oriented, and capable of maintaining a stable, secure, and high-performing infrastructure.

Responsibilities

Own the monitoring, maintenance, and overall health of physical and virtual server infrastructure across multiple sites.
Administer and support Windows and Linux (Ubuntu) operating systems.
Administer and support Active Directory, Group Policy, Entra ID, and Microsoft 365 identity access management.
Manage virtualization platforms (Proxmox, Nutanix, Hyper-V, and VMware), including provisioning, lifecycle management, and resource optimization.
Oversee patch management process and ensure compliance of vulnerability remediation.
Oversee core infrastructure services such as DNS, DHCP, file services, backups, and Microsoft 365 collaboration tools.
Monitor system performance, respond to alerts, and implement infrastructure changes.
Maintain accurate documentation, SOPs, and enforce security best practices.
Participate in infrastructure projects such as upgrades, migrations, and new deployments.
Act as the primary escalation point for Level 2 support, resolving complex issues while mentoring staff.
Coordinate with third-party vendors and support IT operations within a manufacturing and engineering environment.
Proactively maintain a stable, secure, and high-performing environment while making sound technical decisions.

Requirements

Bachelor’s degree in Information Technology, Computer Science, or related field (or equivalent enterprise IT experience).
3–5 years of experience in systems administration / infrastructure support.
Strong experience with Windows Server administration, including Active Directory, Group Policy, and hybrid environments.
Strong experience with Proxmox and ubuntu.
Experience administering Microsoft 365 services (including SharePoint Online).
Experience with virtualization platforms (VMware, Nutanix and Proxmox).
Solid understanding of networking fundamentals (TCP/IP, VLANs, DNS, routing).
Experience with system monitoring, backups, performance analysis, and infrastructure troubleshooting.
Ability to work independently, prioritize effectively, and operate with minimal supervision.
PowerShell scripting experience preferred.

Skills

Windows Server administration
Active Directory
Group Policy
Entra ID
Microsoft 365
Proxmox
Ubuntu
SharePoint Online
VMware
Nutanix
Networking fundamentals
TCP/IP
VLANs
DNS
Routing
System monitoring
Backups
Performance analysis
Infrastructure troubleshooting
PowerShell scripting

Location

Austin, Texas

Work Type

Onsite

Experience Level

3-5 years

Education Level

Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent enterprise IT experience)

Salary/Compensations

Competitive Salary (commensurate with experience) + bonus + sign-on equity grant

Benefits

Eligible to participate in Riot’s equity incentive programs
401(k) Retirement Plan with generous company match
Comprehensive Health Coverage (multiple medical plan options, including 100% company-paid plans)
Free gym memberships
Pet insurance
Childcare discounts

About the Company

Riot is expanding our footprint into hyperscale data centers for AI and HPC clients.

Equal Opportunity

Riot is an equal opportunity employer. We are committed to creating an inclusive environment for all employees.