Senior Cloud & Security Infrastructure Engineer

Junior Adventures Group; Melbourne; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

Junior Adventures Group in Melbourne seeks a Senior Systems Administrator or Infrastructure Engineer to shape and improve our cloud and on-prem infrastructure, security, and automation. You will design, implement and guide projects that strengthen our technology environment while supporting business growth.

You will work from Camberwell 3–4 days a week, mentor team members, and act as a senior escalation point.

Qualifications

• 5+ years in a Senior Systems Administrator, Systems Engineer, or similar role.
• Proactive mindset to identify opportunities, solve problems and drive outcomes.
• Experience delivering infrastructure, cloud or security projects end-to-end.
• Strong stakeholder engagement, communication and documentation skills.
• Mentoring others and contributing to a high-performing team.

Responsibilities

• Design, implement and support enterprise infrastructure across Microsoft Azure, Microsoft 365 and integrated SaaS platforms.
• Lead infrastructure, cyber security and technology improvement projects from design through to implementation and operational handover.
• Design and support Azure Virtual Desktop (AVD) environments and associated technologies.
• Maintain and optimise enterprise networking environments including Cisco Meraki, Ubiquiti, VPN and SD-WAN solutions.
• Act as a senior technical escalation point, proactively identifying risks and resolving complex issues.
• Mentor junior team members and contribute to technical standards, documentation and operational best practices.

Skills

Stakeholder engagement

Communication

Documentation

Mentoring

Education

Microsoft Azure Certification

Microsoft 365 Certification

CompTIA Security+

CISSP Certification

Cisco Meraki Certification

Tools

Azure

Microsoft 365

Entra ID

Conditional Access

Intune

Defender Security Suite

Cisco Meraki

Ubiquiti

VPN

SD-WAN

PowerShell

MDM

Job description

Junior Adventures Group in Melbourne seeks a Senior Systems Administrator or Infrastructure Engineer to shape and improve our cloud and on-prem infrastructure, security, and automation. You will design, implement and guide projects that strengthen our technology environment while supporting business growth.

You will work from Camberwell 3–4 days a week, mentor team members, and act as a senior escalation point.