What are the responsibilities and job description for the System Administrator III position at Phoenix Staff, Inc.?
Title: System Administrator III
Location: Tempe, AZ (Must be local to the Tempe, AZ area)
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.
Your Role
Location: Tempe, AZ (Must be local to the Tempe, AZ area)
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.
Your Role
- 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
Salary : $97,000 - $120,000