Top Senior Level IT Support & Helpdesk Jobs in Phoenix – Mesa – Scottsdale, AZ

Lead and stabilize mainframe production operations, handle incident escalation and complex job recovery, coordinate with system programmers and application teams, support change management and disaster recovery, and mentor junior operations staff while improving runbooks and operational processes.

Lead and develop a global 24x7 technical support organization for on‑premises and hosted services. Manage Support Engineers and Technical Account Managers, ensure SLA adherence, drive escalations and operational excellence, implement AI-enabled automation and self-service, coordinate follow‑the‑sun coverage, and partner with Engineering and Product.

Lead global SaaS and cloud workplace operations, managing Microsoft 365 and Google Workspace, IAM (SSO, Entra, MFA), Zero Trust enforcement, automation (Power Automate, Zapier, PowerShell, Python), onboarding/offboarding, security/compliance collaboration, and mentoring IT teams to ensure secure, scalable, and efficient cloud environments.

Provide enterprise-level technical support for Cribl Stream and related observability products: diagnose, troubleshoot, escalate, document solutions, participate in real-time support channels, and perform on-call duties to ensure customer success.

Provide technical system management and support primarily across the Zoho One ecosystem and Shopify. Troubleshoot issues, build and maintain automation workflows, ensure data flow between platforms, update Shopify product/catalog settings, create documentation and SOPs, and assist with social media scheduling and metrics. Prioritize and execute items from an IT to-do list for executive and sales teams.

Provide technical support and end-to-end case management for GE Vernova Monitoring & Diagnostics devices. Troubleshoot and reproduce issues, coordinate with product teams, recommend repairs/upgrades, maintain records in CRM/ERP/quality tools, own tier 3–4 escalations, produce customer case summaries and metrics, and support after-hours/on-call customer needs.

Remote IT Manager responsible for analyzing, upgrading, and administering IT systems (networks, servers, email, backups), evaluating vendors and technologies, managing projects, tracking inventory, training staff, and providing technical support to improve operational efficiency.

Manage and secure the Microsoft 365 tenant, including Entra ID/AD, Exchange, SharePoint, Teams, OneDrive and Power Platform. Perform tenant and data migrations, implement SSO, create documentation and training, support operations and security initiatives, and provide escalation support while evaluating scalability and adoption of new M365 capabilities.

Investigate and resolve complex platform and integration issues, own escalations to Engineering with clear reproduction and impact assessment, coordinate P1 incidents, monitor Datadog and observability signals, document resolution patterns for the knowledge base, and provide overflow support for Delivery Support.

Lead day-to-day system administration for cloud and on-prem systems: install, configure, maintain, optimize, and secure servers and networks. Perform capacity and performance analysis, automate admin tasks, train staff, manage application networking and load balancing, and conduct vulnerability management while supporting CUI and government security requirements in a fully remote Agile environment.