System Administrator III

Title: System Administrator III

Location: Tempe, AZ

Type: Full-Time Permanent

Compensation: $97-120k

This position is responsible for leading the design, stability, and continuous improvement of enterprise infrastructure across both cloud and on-premises environments. The role focuses on ensuring systems are secure, scalable, and reliable while supporting business-critical operations. It also plays a key part in guiding technical teams, driving modernization efforts, and aligning infrastructure capabilities with organizational needs.

• Design and deploy resilient infrastructure solutions across Windows Server, virtualization platforms, and cloud environments to support business operations.
• Oversee enterprise virtualization platforms including Nutanix, VMware, and Hyper‑V, ensuring performance, high availability, and disaster recovery readiness.
• Manage and enhance Azure services such as IaaS, file services, and hybrid identity integrations with on‑premises systems.
• Evaluate and introduce new infrastructure technologies, aligning solutions with long‑term business and IT strategies.
• Perform capacity planning, system tuning, and lifecycle management to optimize performance and resource utilization.
• Administer storage environments including SAN, NAS, backup systems, and cloud storage to maintain data integrity and availability.
• Implement and maintain security controls such as access management, system hardening, and audit compliance across infrastructure systems.
• Coordinate patching and vulnerability remediation efforts while minimizing operational disruption.
• Provide mentorship and technical guidance to team members, promoting best practices and continuous improvement.
• Act as an escalation point for complex infrastructure issues and lead efforts to resolve critical incidents.
• Collaborate with cross‑functional teams to deliver integrated infrastructure solutions.
• Develop operational standards, automation strategies, and process improvements to increase efficiency and service quality.
• Maintain core services including Active Directory, DNS, DHCP, and related systems to ensure reliability.
• Manage secure file‑sharing environments and external data exchange processes with appropriate controls.
• Oversee backup and recovery operations to ensure critical data is protected and recoverable.
• Create and maintain technical documentation covering architecture, configurations, and procedures.
• Communicate technical concepts clearly to stakeholders and provide timely updates on system status and issues.
• Own issues from identification through resolution, ensuring documentation and knowledge transfer are completed.

• Eight or more years of experience supporting and designing enterprise‑level Windows Server environments.
• Five or more years working with virtualization platforms such as Nutanix, VMware, or Hyper‑V in production environments.
• Four or more years of experience with Microsoft Azure, including cloud services, hybrid connectivity, and migrations.
• Strong knowledge of infrastructure fundamentals including TCP/IP, DNS, DHCP, Active Directory, Group Policy, and file services.
• Experience supporting systems tied to enterprise applications and databases such as SQL or Oracle.
• Solid background in storage technologies, backup solutions, and disaster recovery planning.
• Ability to define and enforce technical standards, operational processes, and best practices.
• Demonstrated experience mentoring team members and contributing to process improvements.
• Strong problem‑solving skills with a proactive approach to identifying and preventing issues.
• Clear communication skills with the ability to explain technical concepts to both technical and non‑technical audiences.
• Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent experience.
• Industry certifications such as Microsoft, VMware, Nutanix, or Azure credentials preferred.

• Medical, dental, and vision insurance
• 401(k) plan