Senior IT Support Engineer III: Complex Escalations & Infra

Dove Technologies; Florence (SC); On-site; USD 85,000 - 110,000; Full time

Job summary

DoveIT is seeking an experienced IT Support Engineer III to bridge advanced technical support and systems engineering. This role owns complex escalations and delivers defined infrastructure project work across servers, networks, cloud services, identity, security, backup, and endpoint management.

Success is measured by resolving complex incidents, reducing repeat escalations, and mentoring Tier 1/2 technicians while transitioning changes into ongoing support.

Qualifications

• 3+ years in technical support or infrastructure-focused role with escalations.
• Experience resolving complex escalations across multiple systems/sites.
• Strong Windows server and 365 administration, hybrid identity.
• Networking fundamentals and virtualization experience.
• Experience delivering infrastructure projects with change control.

Responsibilities

• Serve as the senior escalation point for incidents and requests.
• Own complex issues through resolution and handoffs.
• Diagnose multi-site issues using logs, monitoring, and telemetry.
• Identify root causes and document corrective actions.
• Administer Windows Server, 365, Entra ID, AD, GPO, Intune, and cloud services.
• Troubleshoot and perform authorized changes involving DNS, DHCP, VLANs, VPNs, etc.
• Mentor Tier 1/2 technicians and share knowledge.
• Develop safe automation for diagnostics and deployment.

Skills

Advanced troubleshooting & root-cause

Windows Server & Virtualization

Microsoft 365 & Entra ID

Networking fundamentals

Endpoint management & security

Infrastructure change control

PowerShell & automation

Education

Bachelor’s degree in IT or related field

Job description

DoveIT is seeking an experienced IT Support Engineer III to bridge advanced technical support and systems engineering. This role owns complex escalations and delivers defined infrastructure project work across servers, networks, cloud services, identity, security, backup, and endpoint management.

Success is measured by resolving complex incidents, reducing repeat escalations, and mentoring Tier 1/2 technicians while transitioning changes into ongoing support.