Tier III Service Desk Technician

Unió Digital; Tucson (AZ); On-site; USD 90,000 - 120,000; Full time

Job summary

Unió Digital is seeking a Tier III Service Desk Technician in Tucson, AZ to act as the technical authority for the service desk team. You will own escalations, lead complex project implementations, and shape the technical direction of the MSP delivery practice.

You will mentor Tier I/II technicians, create runbooks and automation scripts, and collaborate with Project Services on large engagements. A strong Microsoft 365/Azure background is required.

Qualifications

• 5+ years in MSP or enterprise IT with deep Microsoft 365 + Azure expertise.
• Strong networking skills including firewall config, routing, segmentation, VPN/ZTNA.
• Scripting/automation experience with PowerShell, Bash, or equivalent.

Responsibilities

• Serve as final-tier escalation for complex incidents across clients.
• Lead architecture and implementation of major projects (M365 tenant builds, network redesign, security hardening).
• Train and mentor Tier I and II technicians.
• Author runbooks, automation scripts, and scalable documentation.
• Coordinate with Project Services for handoff of large engagements.

Skills

Microsoft 365

Azure

Networking

Scripting/Automation

Mentoring/Leadership

Job description

# Tier III Service Desk TechnicianServes as the technical escalation point for the most complex issues. Provides advanced technical support, system administration, and project implementation. Mentors and trains junior technicians.Full-TimeTucson, AZSeniorApply for this RoleBack to All Roles## About this roleThe Tier III Service Desk Technician is the technical authority for the service desk team. You own escalations no one else can solve, lead complex project implementations, and shape the technical direction of the MSP delivery practice.## What you'll do* Final-tier escalation for complex incidents across all clients* Lead architecture and implementation of major projects (full M365 tenant builds, network rearchitecture, security hardening)* Train and mentor Tier I and Tier II technicians* Author runbooks, automation scripts, and documentation that scale the team* Coordinate with Project Services for handoff of large engagements## What we're looking for* 5+ years in MSP or enterprise IT, with deep Microsoft 365 + Azure expertise* Strong networking (firewall config, advanced routing, segmentation, VPN/ZTNA)* Scripting/automation (PowerShell, Bash, or similar)* Microsoft certifications (MS-102, AZ-104, AZ-500, or equivalent) preferred* Eligible to work in the U.S.; based in or relocating to Tucson, AZYou'll always hear from usEvery applicant gets a status update within 5 business days. See our 4-stage hiring process on the careers page.## Ready to apply?Submit your resume and a few details. We review every application personally.Apply for this Role