Level 3 - System Administrator Help Desk Support Agent

About ExcalTech

ExcalTech is a rapidly expanding, award-winning managed IT services provider. Our mission and core values drive our culture, growth, and focus on cybersecurity.

We have a successful 31-year track record providing best-in-class service to our mid-market clients throughout Illinois, Wisconsin, and Florida. Due to rapid growth, we are seeking a System Administrator to join our team.

Job Overview

The successful candidate will have a strong knowledge of servers, desktops, and networking and be comfortable working across a variety of client environments. System Administration responsibilities include installing, configuring, and troubleshooting technology infrastructure devices, including servers, routers, switches, firewalls, storage devices, PCs, and printers.

Work Location & Travel

This role is based a hybrid position based at our corporate headquarters in Rolling Meadows, IL and requires approximately 20% travel to client sites as needed. A company car is provided for client travel.

On-Call Rotation

This position participates in an on-call rotation to support client needs outside of normal business hours, including nights and weekends as scheduled.

Differentiators

• Own escalations through resolution, communicating clearly with internal teams and clients.
• Perform root-cause analysis and implement permanent fixes, including documentation and knowledge transfer.

Responsibilities

• Monitor, triage, and resolve incoming service requests and escalations.
• Provide advanced support for infrastructure, systems, and applications.
• Install, configure, and maintain servers, endpoints, and infrastructure equipment.
• Perform patching, upgrades, and troubleshooting (firmware/OS/application as applicable).
• Support LAN/WAN connectivity and network/security devices (routing, switching, firewalls).
• Administer user accounts, access, and permissions (AD/Entra ID) and maintain security controls.
• Create and maintain technical documentation, standards, and procedures.
• Lead assigned projects and recommend upgrades/improvements.

Required Skills

• Bachelor’s degree: in a related field or equivalent experience/training/certifications.
• 3+ years: of system administration experience in a professional environment.
• Strong Windows administration skills: (patching, monitoring/alerting, remote tools, backup & recovery).
• Experience: with Active Directory and/or Microsoft Entra ID (Azure AD) administration.
• Virtualization experience: (VMware, Hyper-V, Verge.io, etc.) and storage concepts (SAN/NAS).
• Working knowledge: of Layer 3 TCP/IP networking and common hardware (Cisco, Meraki, WatchGuard, Fortinet).
• Understanding: security best practices, permissions (share/NTFS), and system hardening.
• Familiarity: with Microsoft Azure and Microsoft 365 configuration/administration.
• Strong troubleshooting: and root-cause analysis skills.
• Clear communication skills: and ability to work independently and as part of a team.

Pay

$60,000.00 - $65,000.00 per year

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Life insurance
• Paid time off
• Tuition reimbursement
• Vision insurance

Work Location

In person