This is a full-time, office-based position located at our Mackay office .

As a Senior Systems Administrator , you will provide advanced technical support to CHAPtech and its clients. You will act as a senior escalation point for complex Level 2 and Level 3 technical issues, contribute to infrastructure projects and support the development of junior team members.

This role will suit an experienced Systems Administrator who enjoys solving technical problems, working directly with clients and taking ownership of technical outcomes.

This is not a remote position. The successful applicant will be required to work from our Mackay Or Brisbane office during ordinary business hours, with onsite client attendance as required. Remote-only applicants will not be considered .

Key Responsibilities

- Resolve new and escalated helpdesk tickets involving hardware, software, servers, networks, endpoints, Microsoft 365 and cloud systems
- Take ownership of complex, high-priority and recurring technical issues through to resolution.
- Provide advanced onsite troubleshooting, equipment installation, maintenance and technical support.
- Keep clients informed and maintain accurate ticket records and technical documentation.
- Act as a senior technical escalation point and provide guidance to junior Systems Administrators and service desk staff.
- Support and lead infrastructure, migration, cloud and technology projects.
- Perform system updates, patching, backup checks, monitoring and security maintenance.
- Identify technical, operational and cybersecurity risks and recommend improvements.
- Maintain compliance with CHAPtech's cybersecurity, privacy, information-handling and service-management requirements, including the secure handling of CHAPtech and client information.
- Work collaboratively with the Delivery Service Lead, Directors, clients, vendors and project teams.

About You





You will be an experienced and customer-focused IT qualified who enjoys solving complex technical problems, working directly with clients and taking ownership of technical outcomes.

- Demonstrated experience in systems administration, infrastructure support or senior technical support.
- Experience providing Level 2 and Level 3 technical support.
- Strong experience with Windows, Linux, Windows Server, Microsoft 365, networking and cloud environments.
- Knowledge of DNS, DHCP, Group Policy, LANs, VPNs, firewalls, switches, routers and wireless networks.
- Experience with virtualisation, backups, patching, system monitoring, scripting or automation.li>
- Experience contributing to or managing technical projects.
- Knowledge of ITIL incident, change and service-management principles.
- Strong problem-solving, communication and client-service skills.
- The ability to work independently, manage competing priorities and guide junior team members.
- A current Queensland Open Driver Licence.
- Full working rights in Australia.
- A Diploma or higher qualification in Information Technology and relevant industry or vendor certifications.

The following will be highly regarded:

- Microsoft 365 certifications or advanced Microsoft 365 experience.
- Experience with Sophos, Kaseya, ConnectWise and AvePoint.
- Understanding of the SMB1001 Small Business Cyber Security Standard.

What we offer

At CHAPtech, we’re committed to supporting our people both at work and outside of work. You’ll have access to:

- State-of-the‑art office facilities
- Laptop, mobile phone and home internet provided
- Employee Assistance Program - confidential counselling and wellbeing support
- Corporate Gym Membership - gym access and group fitness classes
- Novated Lease Options - access to novated leasing through an approved provider
- Supportive workplace culture - a team that values its people, collaboration and wellbeing
- Professional development - opportunities to continue building your technical skills and career

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📌 Senior Systems Administrator (Brisbane City)
🏢 CHAPtech - Managed IT
📍 Brisbane City