Systems Administrator Senior

Maricopa County • Phoenix, AZ

5h • $82,000 - $125,000 • Hybrid

About The Position

The Systems Administrator, Senior plays a key role in delivering secure, scalable, and resilient IT services across a hybrid environment that includes on-premises infrastructure and cloud-based systems. This role provides Tier 2 and Tier 3 support for Windows Server (2016–2025), Active Directory, Microsoft 365, VMware, and core enterprise systems. Responsibilities include managing user identities, group policies, file/print services, and maintaining critical server hardware, software, storage, and backups (e.g., Dell PowerStore, Cohesity). The administrator participates in a 24/7 on-call rotation, handles patching and recovery, and collaborates with internal teams and vendors to ensure reliable, integrated operations. Success in this role requires sound judgment, adaptability, and a focus on automation and continuous improvement. The ideal candidate thrives in a dynamic environment, exercises sound judgment during system outages, and contributes to automation and continuous improvement efforts through scripting, documentation, and collaboration. Join a team on a mission to provide fair and equitable access to justice. Our department is looking for people who strive to provide excellent customer service, collaborate in a team atmosphere, and serve the community, by actively learning through experiences using both successes and failures as opportunities to learn and grow. Every team member plays a vital role in providing services for the justice system, the legal community, and the general public. Are you ready to use your talent to make a meaningful difference in your community? Join the Clerk of the Superior Court’s Division of Technology & Innovation (DTI), where bold ideas become real solutions that improve access to justice. We are a passionate team committed to building stable, scalable, and robust systems and platforms that the public and court staff can rely on every day. Innovation, collaboration, and exceptional service drive everything we do as we modernize the court experience.

Requirements

• Four years of relevant work experience aligning with duties and responsibilities of the role
• Bachelor's degree from an accredited college or university in Computer Science, Information Technology, or related field, with at least A combination of post-secondary education and/or job-related experience may substitute for the required education on a year-for-year basis.

Nice To Haves

• Experience administering Windows Server environments (2016, 2019, 2022, 2025) with strong expertise in Active Directory (on-prem and Azure), Intune, and Microsoft 365 services including Exchange and SharePoint Online
• Experience working in team-based delivery models (such as Agile, Scrum, and/or Kanban) across multiple concurrent initiatives
• Experience troubleshooting complex infrastructure issues using diagnostic tools, analytical methods, and technical research
• Experience with PowerShell automation, VMware vSphere, Azure hybrid identity, Microsoft SQL Server (2015+), and enterprise storage and backup solutions such as Cohesity
• Relevant certifications such as Microsoft 365 Administrator, MCSE, or MCITP, or equivalent experience

Responsibilities

• Develop, maintain, and govern comprehensive technical documentation, including system architecture diagrams, configuration standards, inventories, and operational procedures, using tools such as Microsoft Visio, Microsoft Project, Jira, or similar platforms
• Serve as a Tier 3 escalation resource for complex infrastructure and system issues, providing advanced troubleshooting, root-cause analysis, and guidance to Tier 1 and Tier 2 support teams
• Monitor, assess, and optimize system performance, reliability, and capacity; recommend and implement improvements using established and emerging technologies
• Conduct routine and ad-hoc security, backup, and recovery audits, ensuring alignment with disaster recovery, business continuity, and COSC security requirements
• Administer, support, and optimize Windows Server environments (2016, 2019, 2022, 2025) and VMware virtual infrastructure, including compute, storage, networking, patching, and lifecycle management
• Utilize PowerShell and other scripting tools to automate infrastructure administration, maintenance, and troubleshooting activities
• Perform scheduled and emergency maintenance, participate in on-call rotations, and respond to afterhours operational incidents as required
• Provide core infrastructure support across directory services, identity management, Group Policy, login scripts, storage platforms, networking components, and foundational services such as DNS and DHCP
• Administer and support Microsoft identity and productivity platforms, including Active Directory (on premises and Azure AD), Microsoft 365 services (Exchange Online, SharePoint Online), and Azure hybrid identity configurations
• Maintain and enforce infrastructure standards by keeping server images, firmware, configurations, and system software current and compliant with lifecycle and patch management practices
• Support and maintain data center hardware and platforms, including Dell PowerEdge servers, PowerStore storage, and Cohesity backup solutions
• Monitor, communicate, and escalate system outages, service interruptions, performance degradation, or security risks to minimize operational impact
• Collaborate with internal teams, vendors, and external partners to plan, coordinate, and resolve infrastructure issues using IT industry standards and formal change management processes

Benefits

• Tuition reimbursement
• Exceptional work-life balance, with hybrid and alternative work schedule options
• Opportunities for growth and development within Maricopa County
• Low-cost, high-value healthcare for you and your qualifying dependents
• Child care benefits including access to our on-site center Maricopa County Kids Club , dedicated to serving Maricopa County families exclusively
• Paid vacation, sick time, and parental leave
• Extensive wellness program, including healthcare premium discounts
• Maricopa County participates in the Arizona State Retirement System. This defined retirement benefit requires a 12% monthly contribution rate and includes a 100% employer match on Day 1

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 501-1,000 employees