Senior Desktop Support Technician – Onsite SF

Prosum; San Francisco (CA); On-site; USD 62,000 - 69,000; Full time

Job summary

Prosum seeks a Senior Desktop Support Technician to deliver hands-on IT support in a fast-paced corporate environment in San Francisco. The role serves as a senior escalation resource for complex end-user issues, covering desktops, mobile devices, AD, connectivity, and related workplace tech.

The ideal candidate brings 5+ years of desktop support experience, strong customer service, and the ability to work independently while coordinating with IT teams for cross-functional resolution.

Qualifications

• 5+ years of desktop support, end-user computing, Level II/III technical support, or related IT experience.
• Experience supporting Windows-based corporate environments.
• Experience with Microsoft Active Directory and user account administration.
• Experience troubleshooting LAN/WAN, VPN, network connectivity, and workstation issues.
• Experience supporting Microsoft Exchange or comparable email administration tools.

Responsibilities

• Serve as a senior escalation point for Level II/III desktop and end-user support issues.
• Troubleshoot Windows workstations, laptops, printers, mobile devices, software, and peripherals.
• Diagnose connectivity issues involving LAN/WAN, VPN, internet access, and corporate networks.
• Administer Active Directory users, groups, permissions, and account changes.
• Support onboarding, workstation setup, and technology access for employees/contractors.
• Provide support for mobile devices and two-factor authentication.
• Install, configure, and troubleshoot workstation hardware and software.
• Support Microsoft Office applications and related enterprise tools.
• Assist with telephony systems and user-related telecommunications issues.
• Manage incidents and requests through a ticketing system with proper documentation.
• Coordinate with IT teams to resolve complex issues.
• Support access changes and user-account activities per security requirements.
• Evaluate new end-user hardware/software and potential impacts.
• Create/maintain technical documentation and procedures.
• Occasional after-hours/on-call support.

Skills

Desktop support

Windows support

Active Directory

Network troubleshooting

IT service management

Customer service

On-call support

Documentation

Telephony systems

Office productivity tools

Education

ITIL v4 certification

CompTIA Network+ certification

Microsoft Exchange administration

Tools

Office 365

Job description

Prosum seeks a Senior Desktop Support Technician to deliver hands-on IT support in a fast-paced corporate environment in San Francisco. The role serves as a senior escalation resource for complex end-user issues, covering desktops, mobile devices, AD, connectivity, and related workplace tech.

The ideal candidate brings 5+ years of desktop support experience, strong customer service, and the ability to work independently while coordinating with IT teams for cross-functional resolution.