Senior L3 IT Support Engineer – Cloud & Infra Remote

365 Managed IT; Tempe (AZ); On-site; USD 85,000 - 110,000; Full time

Job summary

365 Managed IT, LLC is seeking a Level 3 Support Technician in Tempe, AZ to provide remote and on-site support of workstations, operating systems and applications. You will resolve highly complex issues, manage advanced infrastructure, and lead IT projects for clients.

The role requires 5+ years in IT support with 2+ years in a senior/L3 role, deep Windows Server/AD, networking, virtualization, and cloud experience (Azure/AWS). Strong problem solving and client relations are essential.

Qualifications

• Bachelor’s degree in IT, Computer Science, or equivalent work experience.
• 5+ years in IT support, with at least 2+ years in a senior or L3 role.
• Experience with MSP ticketing systems and RMM tools.

Responsibilities

• Advanced Troubleshooting: Resolve complex hardware, software, and network issues escalated from Tier 1/2.
• Infrastructure Management: Design, configure, and maintain server environments, network solutions, and cloud services (Azure, AWS).
• Project Leadership: Lead IT projects, including server migrations, security upgrades, and new network installations.
• System Security & Maintenance: Implement, monitor, and maintain security protocols, patches, and backups.
• Mentorship & Documentation: Guide junior technicians, improve team technical skills, and create detailed technical documentation.

Skills

Windows Server/AD

Network Infrastructure

Virtualization

Cloud (Azure, AWS)

Problem Solving

Project Management

Client relationships

Education

Bachelor’s degree in IT, CS, or equivalent

Tools

MSP ticketing systems

RMM tools

Job description

365 Managed IT, LLC is seeking a Level 3 Support Technician in Tempe, AZ to provide remote and on-site support of workstations, operating systems and applications. You will resolve highly complex issues, manage advanced infrastructure, and lead IT projects for clients.

The role requires 5+ years in IT support with 2+ years in a senior/L3 role, deep Windows Server/AD, networking, virtualization, and cloud experience (Azure/AWS). Strong problem solving and client relations are essential.