Tier 3 – Expert Support Specialist
The Tier 3 Expert Support Specialist is the highest-level technical resource for escalation and resolution of complex IT issues. This role involves scripting automation, analytics via Power BI, endpoint management, and senior-level diagnostics across enterprise systems and applications.
Qualifications:
Bachelor’s degree in IT, Computer Science, or related field
Required Certifications:
Microsoft Certified: Power Platform (Power BI Data Analyst)
Microsoft Certified: Windows Server / Active Directory
ITIL Intermediate or Expert Certification
CompTIA Security+ or CASP+
Advanced PowerShell training
Technical Proficiencies:
All Tier 1 and Tier 2 technical skills
Advanced PowerShell scripting for automation
Power BI development and dashboard/report automation
Endpoint management using tools like Intune, Workspace ONE, Jamf, and Apple Business Manager
Senior-level troubleshooting and final escalation support for all platforms and applications
Experience:
Minimum 5 years advanced OS support (Windows/macOS/iOS/Android)
Minimum 5 years Active Directory administration
Minimum 5 years Microsoft Office 365 platform support
Minimum 3 years supporting VPN and remote access technologies
Minimum 3 years scripting in PowerShell and developing Power BI solutions
Additional Requirements:
Strong communication and customer service skills are essential, as the Tier 1 IT Service Desk Representative serves as the first point of contact for technical support. The ability to prioritize tasks, follow documented procedures, and work both independently and collaboratively in a fast-paced environment is critical. May be subject to background checks or other security clearances based on client requirements.