Senior Helpdesk Support Officer

12-Month Contract | 100% on site in Clayton | Australian Citizenship mandatory

We are seeking an experienced Senior Helpdesk Support Officer to join a high-performing ICT Operations team supporting a complex enterprise technology environment.

This position will be suited for someone with AGSVA security clearance. 

This role is ideal for a hands-on support professional with strong Linux administration experience and a solid background in Windows desktop and infrastructure support. You'll play a key role in delivering Level 1 and Level 2 support, maintaining critical systems, and ensuring a high standard of service delivery across the organisation.

Key Responsibilities

• Provide Level 1 and Level 2 technical support across desktop, laptop, mobile, and peripheral devices.
• Troubleshoot and resolve hardware, software, operating system, and network-related issues.
• Support Linux-based environments, including user administration, system maintenance, patching, and troubleshooting.
• Assist with Active Directory, DNS, DHCP, authentication services, and endpoint management.
• Manage incidents and service requests through the ITSM platform.
• Support security patching, vulnerability remediation, and access management processes.
• Contribute to infrastructure stability, performance, and continuous improvement initiatives.
• Develop and maintain support documentation, knowledge articles, and operational procedures.
• Collaborate with infrastructure, security, and project teams to deliver quality outcomes.

About You

• Experience in a Helpdesk, Service Desk, Desktop Support, or Technical Support role within a government setting
• Strong Linux administration skills across Red Hat, Ubuntu, CentOS, Debian, or similar platforms.
• Experience supporting Windows desktop environments and Microsoft technologies.
• Knowledge of Active Directory, Group Policy, Microsoft 365, and endpoint management tools.
• Understanding of networking fundamentals including TCP/IP, DNS, DHCP, VPNs, and remote access technologies.
• Familiarity with ITIL-based service management and ticketing systems.
• Excellent troubleshooting, communication, and customer service skills.
• Ability to work independently while contributing to a collaborative team environment.

Desirable Experience

• RHCSA, RHCE, Linux+, LPIC, or similar Linux certifications.
• Experience supporting government, defence, or critical infrastructure environments.
• Scripting and automation experience using Bash, Python, or PowerShell.
• Exposure to AWS, Azure, or Google Cloud platforms.
• Understanding of cybersecurity principles and secure operating environments.

Apply

For more information or to apply directly, please email samb@spellerinternational.com.au