System Administrator

• Monitor, maintain, and continuously harden Monogram’s Azure environment, including Compute, Storage, Networking, and Security services.
• Automate scaling and capacity management using Azure-native tools and PowerShell scripting.
• Implement and manage new Azure environments and services as the organization grows.
• Administer Azure AD / Entra ID, including SSO configuration for enterprise applications, Conditional Access policies, and GPO management.
• Manage Windows Server and SQL database environments: provisioning, configuration, upgrades, migrations, and patching.
• Administer the full M365 E5 tenant including Exchange Online, Teams, SharePoint, OneDrive, and the Microsoft Purview and Defender suite.
• Manage user lifecycle, licensing assignments, and role-based access controls across the M365 platform.
• Configure and maintain Microsoft Defender for Endpoint, Identity, and Cloud Apps as part of the E5 security stack.
• Support and optimize Microsoft Sentinel alerting and SIEM integration in partnership with the Cybersecurity team.
• Administer Privileged Identity Management (PIM) for just-in-time, time-bound role elevation, and support MFA / passwordless authentication initiatives.
• Manage MDM/MAM environment for Windows and mobile devices used by a distributed clinical workforce.
• Build and maintain device configuration profiles, compliance policies, and application deployment packages.
• Manage Autopilot provisioning for new device onboarding across remote and office-based staff.
• Troubleshoot endpoint issues across CPU, memory, disk, and connectivity on Azure-joined devices.
• Administer and troubleshoot Cisco Meraki network infrastructure including routing, switching, firewalls, and wireless.
• Support DNS, DHCP, SMTP, SNMP, SSH, SFTP, and TCP/IP in hybrid Azure and on-premises environments.
• Manage VPN connectivity and client-side troubleshooting for remote clinicians.
• Maintain and test backup, restore, and disaster recovery procedures for Azure workloads.
• Provide escalated Tier 2/3 support to end users and service desk technicians.
• Document infrastructure configurations, runbooks, and standard operating procedures.
• Participate in on-call rotation with occasional evening and weekend availability for critical incidents.
• Work autonomously on projects while keeping stakeholders informed at key milestones.
• Support internal and external compliance audits by gathering evidence and documentation related to infrastructure controls.

• Provide Systems Administration support to the Test Resource Management Center’s (TRMC) All Domain Test Range (ADTR) and INDOPACOM Pacific-Rim Multi-Domain Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of Security Network (JMN) Node, Secret Defense Research and Engineering Network (SDREN), Defense Research and Engineering Network (DREN);
• Responsible for the administration of computer systems hardware, network gear, software, information systems & peripheral equipment such as servers, desktops, zero clients, storage devices, and virtualization infrastructure.
• Install, support, upgrade, and configure systems (Windows/Linux/VMWare/SQL Server, Horizon UAG, VDI)
• Maintain security and recovery procedures such as patching, applying STIGs, and performing backups of systems.
• Administration of infrastructure including servers, zero clients, malware protection software, HBSS, syslog servers, databases, ACAS, etc.
• Upgrade systems and processes as needed for enhanced functionality and/or security issue resolution.
• Find potential risks or inefficiencies associated with the configuration of the system and recommend mitigation strategies.
• Ensure compliance with data security policies, relevant legal and regulatory requirements, and TRMC cyber security program implementation plans following TRMC directives and applicable RMF requirements.
• Authors and/or reviews team standard operating procedure (SOP) documentation to ensure consistent systems configuration and knowledge transfer to other team members.

Systems Administrator

• Develop, manage, and ensure compliance with all corporate documentation, including policies, procedures, and operational manuals.
• Maintain the integrity and effectiveness of documentation systems to support operational excellence and regulatory compliance.
• Collaborate closely with various departments, including operations and safety, to gather information and ensure accurate documentation.

IT Systems Administrator

• Provides system or network administration to support and maintain the installation, configuration, maintenance, monitoring and troubleshooting of systems for the IT Infrastructure and Security Division of the Sheriff’s Office.
• Provides third-tier technical support for system and/or network operating systems and applications.
• Applies advanced technical expertise to highly complex assignments requiring independent discretion and judgment.
• Operates in a senior level role with an extreme focus on customer service and may provide leadership to Systems Administrators or other IT staff.
• Manages the server operating system and virtualization environment.
• Administers, assigns, and coordinates server/storage/virtualization equipment repairs and maintenance of system security.
• Troubleshoots and resolves server hardware, software and LAN connectivity problems.
• Prioritizes and manages support calls by working with helpdesk and trouble call software.
• Ensures timely completion of support calls and scheduled installations of hardware and software based on business needs.
• Maintains high level of communication with customers when scheduling hardware and software installations and performing support calls.
• Manages disk space and monitors other network resources.
• Evaluates system performance and reports to management.
• Assists in system disaster recovery activities.
• Defines development tools and procedures for daily operational support.
• Coordinates installations and configures server-based and regular software packages onto network servers to facilitate deployment to clients.
• Maintains network security through various processes such as security policy design, firewall installation, configuration and maintenance, VPN implementation, security technologies, products and solutions.
• Manages LAN accounts including additions, deletions, moves, and changes.
• Supports application activities that require specialized system programming.
• Assists with software product evaluation, including installation, testing and technical support for the applications programming and/or the computer operations staff.
• Analyzes the impact of implementing new system hardware or software, recommends implementation schedule, conducts system analysis on current and proposed systems and applications, and researches and recommends the acquisition of new software, tools and equipment.
• Represents the department at meetings.
• Performs audits of systems/networks.
• Recommends policy changes and maintains maintenance documentation.
• Trains, supervises, and assigns work to technical support staff and other Systems/Network Administrators as directed by supervisor.

Senior/Lead Systems Administrator

• focus on the administration, maintenance, and support of Windows 10 & 11, and Windows Server 2016/2019 environments within a SCADA/ Energy Management System ( EMS) real-time power operations system
• use expertise in managing Windows-based infrastructure to ensure system reliability, security, and performance
• Plan, coordinate, and execute the installation, testing, operation, and maintenance of Windows-based hardware and software systems within a SCADA/EMS environment
• Plan and schedule the installation of new or modified Windows servers, workstations, and applications to align with project timelines and operational requirements
• Ensure compliance with configuration management processes and industry standards, applying them effectively to all assigned Windows systems
• Manage the lifecycle of Windows-based systems hardware and peripheral equipment, including ordering, inventory control, installation, deployment, maintenance, and decommissioning
• Perform standard Windows system administration duties, including Active Directory management, Group Policy administration, user account management, and resource sharing
• Administer Windows 10, Windows 11, Windows Server 2016/2019/2022, VMware ESXi 8, and Dell Precision Tower environments, ensuring stability and efficiency
• Manage and maintain hardware components such as Dell-EMC VxRail, Dell-EMC Data Domain, and HPE ProLiant Servers to ensure optimal performance and reliability
• Apply expertise in SCADA system administration to maintain the availability and security of critical infrastructure
• Identify and resolve Windows system-related issues promptly to ensure operational continuity
• Provide technical support to end-users and collaborate with cross-functional teams to troubleshoot and resolve Windows-related challenges
• Create and maintain comprehensive documentation for system logs, patching, security configurations, procedures, and troubleshooting guides

SCADA Systems Administrator II

• Architect and oversee enterprise server and infrastructure environments — Windows, Linux, and Unix servers, virtualization platforms, and storage.
• Design and improve mission-critical ISP services for high availability and redundancy at large customer scale.
• Build advanced automation and orchestration frameworks — tools, pipelines, and processes using Ansible, Terraform, and Python — that standardize deployments and remove manual intervention.
• Lead vulnerability management, incident response, and compliance programs (FCC, PCI, SOC 2).
• Guide system hardening and risk mitigation, and design and regularly test disaster-recovery, backup, and failover procedures.
• Act as the highest-level technical escalation point and lead large cross-department infrastructure projects with senior network and engineering teams.
• Drive adoption of emerging technologies, mentor junior and mid-level administrators, and produce executive-level documentation and reporting.

Systems Administrator – Level 3

• Provide support for applications, services and servers at the University of Massachusetts Global.
• Responsible for the setup, installation, configuration, upgrading, and evaluation phases of providing applications, services, and servers for customer use.
• Provide technical, instructional, and administrative support to the UMass Global constituencies related to applications, services, and servers.
• Manage application and server backups across the enterprise and cloud (AWS and Azure).
• Diagnose, replace, upgrade, and repair applications, services, and servers for Windows and Linux.
• Install new, upgrade existing, and troubleshoot application, service, or server related issues.
• Use and maintain tools such as Azure Update Manager to manage operating system patching and enterprise services.
• Write and maintain PowerShell scripts for reporting and system automation.
• Handle technical inventories, shipping logistics, and equipment organization.
• Perform work in accordance with systems diagrams.
• Create and maintain training documentation for team members supporting applications and services.
• Continuously assess all documented processes for improvements.
• Provide high quality support to university customers.
• Work with teams and team members to provide our customers an excellent experience.
• Perform other duties as assigned.

• **Essential Responsibilities****Azure IaaS – Windows Server VM administration**
• - Provision, configure, and maintain **Windows Server VMs in Azure**, including sizing, performance tuning, disk/storage management, and availability planning
• - Perform daily operational health checks (OS integrity, service availability, CPU/memory/disk trends, scheduled task/job success, and event log review)
• - Troubleshoot Windows platform issues (services, certificates, networking, DNS, authentication, resource constraints) and coordinate resolution with stakeholders
• **Patch management & updates (Azure Update Manager)**
• - Own VM patching operations using **Azure Update Manager** (maintenance windows, classification-based patching, phased rollouts, restart coordination)
• - Monitor patch compliance and remediate failed deployments and “no update data” scenarios
• - Communicate scheduled maintenance to stakeholders and execute updates in a controlled, auditable manner
• **Backup & recovery (Azure Backup)**
• - Implement and operate **Azure Backup** for Azure VMs (policy configuration, monitoring, retention governance)
• - Perform and document periodic restore tests and recovery procedures to ensure operational readiness
• **Identity & directory services (AD DS + Azure AD Connect)**
• - Administer **AD DS hosted on Azure VMs (domain controllers)**: users/groups, OUs, **Group Policy (GPO)**, security groups, and delegated access
• - Maintain domain controller health and dependencies (DNS, replication health, time synchronization, patching coordination, operational runbooks)
• - Operate and maintain **Azure AD Connect** (hosted on a Windows VM in Azure): monitor sync health, troubleshoot sync failures, manage scope/filtering, and support upgrades/maintenance
• - Maintain documentation/runbooks for configuration, troubleshooting, and recovery procedures
• **Web and file services (IIS + File Servers)**
• - Administer and troubleshoot **IIS** (site/app configuration, bindings/certs, app pools, logging, performance troubleshooting)
• - Administer and support **Windows File Servers** (SMB shares, NTFS/share permissions, access controls, troubleshooting access/performance issues)
• **Security posture & vulnerability management (Defender for Cloud)**
• - Use **Microsoft Defender for Cloud** to monitor security posture, address recommendations, and remediate vulnerabilities
• - Contribute to baseline hardening and security improvements aligned to organizational standards
• **Monitoring, incident response & continuous improvement**
• - Participate in an on-call rotation; support incident response, service restoration, root cause analysis, and preventative improvements
• - Automate repeatable administrative work using **PowerShell** and Azure-native tooling
• - Create and maintain operational documentation (runbooks/SOPs/diagrams/inventories)

Azure Systems Administrator

• Design, build, and maintain automation solutions that eliminate repetitive manual work across infrastructure, identity, and Microsoft 365 services.
• Develop and manage Infrastructure as Code (IaC) to provision, configure, and govern cloud and on-premises resources in a repeatable, auditable way.
• Build automation and integrations using the Microsoft Graph API to streamline identity, licensing, Teams, Exchange, and SharePoint operations.
• Author and maintain PowerShell scripts and runbooks to automate provisioning, reporting, lifecycle management, and remediation tasks.
• Design, implement, and operate Microsoft cloud solutions including Azure services (compute, networking, storage, monitoring), Entra ID (access controls, roles, MFA, conditional access), and Microsoft 365 (Exchange, Teams, Viva Engage, SharePoint).
• Configure and maintain Windows Server environments across cloud and on-premises, including Active Directory, Group Policy, DNS, DHCP, and IIS.
• Maintain the security, compliance, disaster recovery readiness, and performance of cloud and on-premises services.
• Identify root causes of recurring issues and eliminate them through automation rather than repeated manual resolution.
• Collaborate with cross-functional teams (Security, Application Support, Data, PMO) to deliver scalable and secure solutions.
• Perform other duties as needed.

Systems Administrator Engineer – Cloud, Automation

• CICS Administration & Maintenance: Install, upgrade, and maintain CICS Transaction Server (CICS TS) environments
• Apply patches (PTFs), manage version upgrades, and perform regression validation
• Configure and maintain CICS regions (production, test, DR)
• Maintain startup parameters and system initialization tables (DFHSIT)
• Performance Monitoring & Tuning: Monitor transaction performance and system health using tools such as: OMEGAMON / MainView / TMON
• Analyze: Transaction response times CPU utilization Storage usage
• Perform tuning to eliminate bottlenecks

Mainframe CICS System Administrator

• Provide administration, sustainment, and operational support for application services, virtualization infrastructure, and virtual desktop infrastructure operating within Classified Digital Services environments.
• Install, configure, maintain, patch, secure, and troubleshoot Windows-based application servers, virtual machines, virtual desktops, supporting services, and associated platform components.
• Support VDI platforms and virtual application delivery technologies, including virtual desktop pools, persistent and non-persistent desktop images, connection brokers, agent software, user profiles, published applications, and supporting infrastructure.
• Troubleshoot complex issues involving application delivery, virtual desktops, virtualization platforms, authentication, storage, networking, user profiles, printing, peripheral access, performance, and security-tool integration.
• Work with cybersecurity professionals to support vulnerability remediation, application and operating system patching, DISA STIG compliance, secure configuration baselines, scanning activities, findings resolution, and audit evidence requirements.
• Support the integration of application services and VDI platforms with enterprise identity, endpoint-management, monitoring, logging, vulnerability-management, and cybersecurity capabilities.
• Use automation and scripting technologies such as PowerShell, Ansible, Python, or comparable tools to improve application deployment, VDI administration, patching, configuration management, compliance validation, and operational sustainment activities.
• Identify opportunities to automate repetitive administration tasks, image maintenance, application delivery, health checks, reporting, patch validation, or secure configuration activities.
• Participate in testing and implementation of infrastructure changes, application upgrades, desktop-image updates, software deployments, security patches, and platform modernization initiatives.
• Assist with monitoring service health, platform capacity, virtual desktop availability, application performance, resource utilization, system events, and operational trends.
• Support account administration, privileged access, application permissions, service accounts, group-policy dependencies, and other access-control requirements in accordance with approved security procedures.
• Create and maintain standard operating procedures, system administration guides, application support documentation, VDI support procedures, architecture diagrams, automation documentation, test plans, implementation plans, troubleshooting guides, and knowledge articles.
• Provide technical support during service disruptions, root-cause investigations, recovery activities, planned maintenance, and mission-critical operational events.
• Perform other duties and assignments in support of CDS application, virtualization, endpoint, and cybersecurity operations.

System Administrator jobs in Arizona

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System Administrator

Systems Administrator

IT Systems Administrator

Senior/Lead Systems Administrator

SCADA Systems Administrator II

Systems Administrator – Level 3

Systems Administrator

Azure Systems Administrator

Systems Administrator Engineer – Cloud, Automation

Mainframe CICS System Administrator

Virtual Applications System Administrator