Tier III Desktop Support / Migration Support Engineer -Denver

Desktop Support Engineer

Location: Centennial, CO OR Louisville, CO OR Boulder, CO
Work Model: Primarily Onsite 

Overview

We are seeking customer-focused Desktop Support Engineers to support a large-scale Microsoft 365 modernization initiative while providing day-to-day desktop support for end users in a corporate environment.

This role will serve as the primary onsite IT support presence for one office location, assisting users with Microsoft 365 applications, endpoint support, account access issues, device deployments, and general technical troubleshooting. The ideal candidate is comfortable working directly with end users, providing white-glove support, and operating in a fast-paced environment where customer service is just as important as technical ability.

Responsibilities

• Provide onsite desktop support for end users in a corporate environment

• Troubleshoot Microsoft 365 applications including Outlook, Teams, OneDrive, SharePoint, and Exchange Online

• Support user authentication issues including password resets, MFA enrollment, account unlocks, and access requests

• Troubleshoot Windows 10/11 operating system, hardware, software, and connectivity issues

• Deploy, configure, and support laptops, desktops, monitors, docking stations, printers, and peripherals

• Assist with user onboarding and offboarding activities

• Support conference room technology and collaboration tools

• Provide hands-on support during Microsoft 365 migration and modernization activities

• Assist users with post-migration questions, troubleshooting, and adoption support

• Document issues, resolutions, and support activities within ticketing systems

• Escalate advanced infrastructure, networking, or identity-related issues when appropriate

• Deliver high-touch support to business users and leadership teams

• Partner closely with project managers, engineers, and infrastructure teams during key project milestones

Required Qualifications

• 3+ years of desktop support, deskside support, or IT support experience

• Experience supporting Microsoft 365 applications including Outlook, Teams, OneDrive, and SharePoint

• Strong troubleshooting experience in Windows 10/11 environments

• Experience supporting Active Directory user accounts, password resets, permissions, and group memberships

• Familiarity with MFA, authentication, and account access troubleshooting

• Experience supporting laptops, desktops, printers, docking stations, and related hardware

• Strong customer service and communication skills

• Ability to work onsite and provide hands-on support to end users

Preferred Qualifications

• Experience supporting Microsoft 365 migration, deployment, or modernization initiatives

• Familiarity with Entra ID (Azure AD)

• Experience with Intune or endpoint management platforms

• Experience supporting executive or VIP users

• Experience working in enterprise corporate environments

• Prior consulting or managed services experience

Nice to Have

• PowerShell experience

• Experience with Okta or other identity management platforms

• Exposure to device imaging, provisioning, or deployment tools

If you enjoy working directly with end users, solving technical problems, and supporting modern workplace technologies in a hands-on environment, we'd love to hear from you.

TSG is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. #LI-AL3