Junior System Administrator

About the Role

Onni Group is seeking a Junior Systems Administrator to deliver Tier-1 technical support across on-site and remote environments. You'll support users with workstations, devices, cloud platforms, and network systems while maintaining high service standards and a customer-first approach. The ideal candidate is passionate about technology, a strong problem-solver, and eager to build a career in IT infrastructure. You’ll work independently and collaboratively, managing user accounts, troubleshooting devices, supporting Microsoft 365 and cloud services, and escalating complex issues appropriately. Excellent written and oral communication skills are essential, as you’ll interact daily with diverse Canadian and US-based users via phone, email, chat, and in-person support.

Key Responsibilities

User & Account Management

• Create, update, and decommission user accounts
• Manage password resets, lockouts, and account maintenance
• Execute user onboarding and offboarding processes

Device & Hardware Support

• Troubleshoot Windows, macOS, mobile devices, and peripherals
• Configure and support printers, boardroom equipment, and conferencing systems
• Install and maintain IT hardware and software systems
• Coordinate physical setup and relocation of equipment

Cloud & Application Support

• Support Microsoft 365 applications (Outlook, Teams, OneDrive, etc.)
• Assist with Entra ID, Exchange Online, and SharePoint
• Troubleshoot application installation and configuration issues

Network & Infrastructure Support

• Resolve network connectivity, VPN, and firewall issues
• Support DHCP, DNS, and VoIP phone systems
• Monitor system alerts and respond to outages
• Support building systems (CCTV, access control, automation, digital signage)

Client Care & Documentation

• Respond promptly to incidents via phone, email, chat, or in-person
• Provide professional, friendly customer service
• Escalate complex issues to Tier 2/3 teams per company SOPs
• Document all work accurately in ticketing system

Additional Responsibilities

• Participate in on-call and after-hours support rotations
• Travel between client sites as needed
• Transport IT equipment between locations
• Perform other duties consistent with the role as assigned

Qualifications

Required

• Diploma or Bachelor’s degree in Information Technology, Computer Science, or related field
• Excellent written communication skills — ability to compose clear, professional emails, documentation, and technical notes
• Excellent oral communication skills — ability to explain technical issues clearly over the phone, through video calls, and in-person interactions
• Ability to communicate technical concepts in simple, non-technical language to end users
• Strong problem-solving and analytical skills
• Excellent time management and multitasking abilities in a fast-paced environment
• Customer-focused and professional demeanor
• Ability to work independently and as part of a team
• Comfortable working with diverse users across Canada and the United States with varying technical knowledge
• Available to travel between sites and carry equipment
• Willing to complete criminal background check

Preferred (Good to have)

• 1+ year of customer service or IT support experience
• CompTIA A+, Network+, or Microsoft certifications
• Experience with Microsoft 365 and Entra ID
• Desktop/mobile device management experience
• Network troubleshooting or VPN configuration knowledge
• Familiarity with IT ticketing systems

What We’re Looking For

• Tech Enthusiast — Passionate about learning new technologies and growing in IT
• Strong Communicator (Written & Oral) — Excels at explaining technical concepts clearly via phone, email, and in-person; listens actively and ensures clients feel understood and supported
• Customer-Focused — Dedicated to solving problems and supporting users across Canada and US professionally and patiently
• Self-Starter — Takes initiative, works independently, and escalates when needed
• Detail-Oriented — Maintains accurate documentation and manages multiple priorities