IT Systems Administrator

Onni Group of Companies; Chicago (IL); Hybrid; USD 85,000 - 100,000; Full time

Benefits offered by this job

Health Saving Account

Flexible Saving Account

Employee Assistance Program

Annual Education Allowance

Referral Program

Team-building events

Job summary

Onni is hiring an IT Systems Administrator (Tier 2) to deliver high-quality technical support for internal users and managed services clients. You will own escalations, manage tickets end-to-end, and collaborate with Tier 3 and centralized services.

Ideal candidates have 4–7 years in IT support (MSP preferred), strong Windows 10/11, Microsoft 365, AD/Entra ID knowledge, and solid communication skills. Onni offers growth and a collaborative culture.

Qualifications

• 4-7 years in IT support (MSP preferred).
• Strong knowledge of Windows 10/11, Microsoft 365, AD/Entra ID and network fundamentals.
• Excellent problem-solving and communication skills.

Responsibilities

• Resolve Tier 1 & 2 incidents end-to-end, with ownership and documentation.
• Troubleshoot Windows/macOS endpoints, peripherals, printers, and remote access tools.
• Provide Microsoft 365 support: Exchange Online basics, Teams, SharePoint/OneDrive access and licensing.
• Handle Active Directory/Entra ID identity tasks, MFA resets, onboarding/offboarding.
• Perform basic server troubleshooting and patching impacts; manage alerts across systems.
• Support mobile devices, meeting room equipment, and IP-based/IoT systems; coordinate escalations.
• Maintain ticket hygiene in PSA with clear notes and closures; contribute to KB/SOP.

Skills

MSP experience

Windows 10/11

Microsoft 365

AD/Entra ID

Networking fundamentals

Analytical mindset

Customer service

Time management

Team collaboration

Education

Bachelor's degree in IT/CS

Diploma in IT related field

Tools

Halo PSA

EDR security tools

Job description

Job Description

We are hiring an IT Systems Administrator (Tier 2) to deliver high-quality technical support for internal users and managed services clients. You will handle escalations from Tier 1, own tickets through resolution, and collaborate with Tier 3, Centralized Services, and Monitoring teams.

Perks & Benefits

Competitive pay
Health Saving Account,
Flexible Saving Account,
Employee Assistance Program
Annual Education Allowance
Generous Referral Program
Fun and collaborative company culture with lots of team-building events
Discounted hotel stays in multiple locations through our Hospitality brand.

What You Will Do

• Resolve Tier 1&2 incidents and requests end-to-end (ownership, communication, documentation).
• Troubleshoot Windows 10/11 and macOS endpoints, laptops, peripherals, printers, common business applications, and remote access tools.
• Microsoft 365 support: Exchange Online basics (mail flow checks, shared mailboxes, permissions), Teams troubleshooting, SharePoint/OneDrive sync and access issues, licensing/user administration.
• Identity support: Active Directory and Entra ID fundamentals (account lockouts, group membership, access issues, MFA resets, sign-in troubleshooting; conditional access awareness); user account creation, updates, onboarding/offboarding, and decommissioning.
• Network troubleshooting: DNS/DHCP, VPN, firewalls, switches, Wi-Fi connectivity, VoIP phone systems, basic routing/switching concepts; escalates complex network issues appropriately.
• Server troubleshooting (basic-intermediate): Windows Server services and event logs, file/print access, patching impacts; basic virtualization awareness and escalation readiness.
• Support mobile devices (phones and tablets): setup, provisioning, configuration, data transfers, and decommissioning.
• Support boardroom and meeting room equipment: video conferencing hardware/software, TVs, projectors, and audio systems.
• Support/troubleshoot IP-based and non-traditional IT systems (e.g., IP cameras/CCTV/NVR access and connectivity, building access control systems/cards/fobs, building automation and audio systems, timecard systems, EV systems, digital signage, PoE basics) and coordinate vendor/Tier 3 escalations when needed.
• Monitor and manage system alerts, including outage/offline events across servers, network, software, hardware, and cybersecurity.
• Act as vendor coordination and liaison point for vendor-specific issues or requests.
• Maintain strong ticket hygiene in the PSA: accurate notes, time entries, troubleshooting steps, and closure summaries.
• Contribute to KB/SOP documentation and help reduce repeat issues.
• Provide friendly, clear, concise, and professional customer service via phone, email, chat, or video call, and follow up to ensure incidents and requests are fully resolved.
• Participate in after-hours or on-call support rotations as assigned, in accordance with company policies and applicable employment standards.

What You Will Bring

• Diploma or Bachelor's degree in Information Technology, Computer Science, or a related field (e.g., Systems Administration, Networking) from an accredited institution.
• 4-7 years in IT support (MSP experience preferred) with proven Tier 2 troubleshooting capability.
• Strong knowledge of Windows 10/11, Microsoft 365, AD/Entra ID identity concepts, and network fundamentals (DNS/DHCP/VPN/Wi-Fi).
• Strong problem-solving skills with an analytical and detail-oriented mindset.
• Strong communication and customer service skills; able to set expectations and follow through.
• Strong task, time-management, and organizational skills, with the ability to multitask and adapt in a fast-paced, high-pressure environment.
• Strong interpersonal skills; comfortable working with diverse clients, users, and handling challenging situations professionally.
• Ability to prioritize and manage multiple tickets in an SLA-driven environment.
• A self-starter able to work well with minimal supervision and in a team environment.

Nice to Have

• Experience with Halo PSA (or similar PSA/RMM tools), endpoint security/EDR, and backup platforms.
• Certifications (optional): CompTIA A+/Network+, Microsoft, or relevant vendor certifications.

Salary Range

85k - 100k

About The Company

Onni

For over half a century, Onni has been building communities for people to live, work, and play. Our success reflects our commitment to our employees and partners, and our dedication to quality construction, innovation, sustainability, and customer satisfaction. Our expertise expands across North America, with offices in Vancouver, Toronto, Los Angeles, Seattle, Phoenix, and Chicago.

AI Use

This role may involve the use of artificial intelligence (AI) tools to support research, analysis, content development, design, reporting, or operational efficiency. Employees are expected to use AI responsibly and in compliance with company policies, data privacy requirements, confidentiality obligations, and applicable laws.

All AI-generated or AI-assisted outputs must be reviewed for accuracy, quality, and appropriateness before use. Employees are also expected to disclose when AI tools have been used in the creation of work and must not present AI-generated content as solely their own original work.