Senior Systems Administrator

About the role

This full‑time, office‑based position is based at CHAPtech’s Mackay office (with occasional work from Brisbane). As a Senior Systems Administrator you will provide advanced technical support to CHAPtech and its clients, act as a senior escalation point for complex issues, and help develop junior team members.

Key responsibilities

• Resolve new and escalated help‑desk tickets covering hardware, software, servers, networks, endpoints, Microsoft 365 and cloud systems.
• Take ownership of high‑priority, recurring technical issues through to resolution, both remotely and onsite.
• Perform system updates, patching, backup verification, monitoring and security maintenance.
• Lead infrastructure, migration, cloud and technology projects.
• Identify technical, operational and cybersecurity risks and recommend improvements.
• Maintain accurate ticket records, technical documentation and client communications.
• Provide guidance to junior administrators and service‑desk staff as a senior escalation point.
• Ensure compliance with CHAPtech’s cybersecurity, privacy and service‑management standards.

Required profile

• Proven experience in systems administration, infrastructure support or senior technical support (Level 2/3).
• Strong problem‑solving, communication and client‑service skills.
• Ability to work independently, manage competing priorities and mentor junior team members.
• Current Queensland open driver licence and full working rights in Australia.
• Diploma or higher qualification in Information Technology with relevant industry certifications.

Required skills

• Windows, Linux and Windows Server administration.
• Microsoft 365 administration and cloud environments.
• Networking fundamentals – DNS, DHCP, Group Policy, LAN, VPN, firewalls, switches, routers, wireless.
• Virtualisation, backups, patching, system monitoring, scripting/automation.
• ITIL incident, change and service‑management principles.
• Experience with Sophos, Kaseya, ConnectWise and AvePoint (desirable).

What we offer

• State‑of‑the‑art office facilities with laptop, mobile phone and home internet.
• Employee Assistance Program, confidential counselling and wellbeing support.
• Corporate gym membership and group fitness classes.
• Novated lease options through an approved provider.
• Supportive workplace culture and professional development opportunities.