Senior IT Support Engineer - Microsoft 365 & Server

Advanced Computer Technologies, LLC; East Hanover (NJ); On-site; USD 60,000 - 90,000; Full time

Job summary

Advanced Computer Technologies, LLC is seeking a Level 2-3 IT Support Technician to join our team. This role provides advanced desktop support, administers Microsoft 365 environments, and manages Windows Server infrastructure.

You will diagnose and resolve end-user issues across Windows and macOS, support network services, and collaborate with vendors on IT projects while ensuring security policies are followed.

Qualifications

• 3+ years hands-on IT support experience (Level 2 or higher).
• Strong proficiency with Microsoft 365 administration.
• Experience with Windows Server (2016/2019/2022) administration.
• Working knowledge of networking fundamentals (TCP/IP, DNS, DHCP, routing, firewalls).
• Familiarity with virtualization technologies (VMware or Hyper-V) is a plus.

Responsibilities

• Provide technical support for end users (Windows/macOS), including desktops, laptops, mobile devices, and peripherals.
• Manage and support Microsoft 365 services (Exchange Online, SharePoint, Teams, Azure AD).
• Perform server administration tasks including user and group management, patching, backups, and troubleshooting (Windows Server environment).
• Support and troubleshoot basic network infrastructure issues (DNS, DHCP, firewalls, VPNs, switches, routers).
• Maintain documentation of systems, processes, and procedures.
• Work with external vendors or escalate issues when needed.
• Assist in IT project implementation and rollouts.
• Ensure compliance with security policies and industry best practices.

Skills

IT support

Microsoft 365

Networking basics

End-user support

Communication

Problem solving

Independent work

Education

IT certifications (e.g., CompTIA Network+, Microsoft 365 Certified, MCSA, CCNA)

Tools

Microsoft 365 Admin

Windows Server

VMware/Hyper-V

DNS/DHCP

VPNs & firewall

Ticketing systems

Remote support tools

Job description

Advanced Computer Technologies, LLC is seeking a Level 2-3 IT Support Technician to join our team. This role provides advanced desktop support, administers Microsoft 365 environments, and manages Windows Server infrastructure.

You will diagnose and resolve end-user issues across Windows and macOS, support network services, and collaborate with vendors on IT projects while ensuring security policies are followed.