Join one of Australia’s fastest-growing and most respected IT distributors

We’re on the hunt for an exceptional Senior System Administrator to join our team at Leader, a company that lives and breathes high performance, legendary customer service, and cutting-edge technology. As a mission-critical team member, you will be empowered to drive efficiency, innovation, and uptime across our internal systems and infrastructure.

Leader is Australia’s largest privately owned IT distributor. We are proudly SA company with headquarters in Franklin St, Adelaide.

This is not your average IT job. You’ll be responsible for maintaining and upgrading our computer systems and networks, ensuring their optimal performance. This includes installing server hardware and software, monitoring connectivity, and providing technical support to employees. You will also lead projects for AI, cybersecurity, automation, and cloud infrastructure—with one clear mission: to make our systems the fastest and most reliable in the industry, enabling our people and customers to thrive.

Key Responsibilities:

• Own the performance, uptime, and speed of internal systems and websites
• Administer and optimise infrastructure: VMWare/Hyper-V, Fortinet, Ubiquiti, Cisco, Veeam
• Implement and enforce internal SLA’s, IT ticketing systems, and system monitoring
• Design and test fast, reliable backup and disaster recovery systems
• Lead AI/ML & automation projects to improve operations (Power Automate, AI Sales Coach)
• Drive cyber security initiatives including testing, phishing prevention & pen testing
• Collaborate closely with our Head of Development and product teams on major tech projects
• Champion Microsoft certifications and continuous improvement
• Communicate clearly, respectfully, and positively with all team members

Qualifications/Experience:

• Proven experience as a System Administrator or Network Administrator
• Bachelor’s degree in Computer Science, Information Technology, or a related field is preferred
• Strong knowledge of computer systems, networks, and security protocols
• VMWare \ Hyper V knowledge
• Fortinet experience
• Ubiquiti and Cisco switching experience
• Veeam backups experience
• Excellent problem-solving and troubleshooting skills
• Ability to work independently and as part of a team
• Strong communication and interpersonal skills
• SQL experience would be advantage
• Sophos & 3CX experience would be advantage
• AI experience would be an advantage

Characteristics:

• Hard working and commitment to work to our team & customer requirements
• Strong written and verbal communication skills needed to interact with team and partners.
• Well organized with the ability to multitask and handle pressure situations.
• Team player with ability to work independently and learn quickly.
• Ability to work proficiently with minimal daily guidance.
• Excellent troubleshooting skills.
• Individuals focused on personal development.

You’ll Thrive Here If You…

• Believe in legendary customer service and ultra-fast execution
• Value discipline, integrity, and accountability
• Want to be part of a winning team where A Players support and challenge each other

Are committed to continuous improvement, personally and professionally