Senior Infrastructure Engineer (L3) – Azure

Sydney | Hybrid | High-Performing Delivery Team

Do you come from an MSP or fast-paced managed services background where you’ve worked across multiple clients, infrastructure projects, escalations, and cloud environments?

We are seeking a technically strong, client-focused Senior Infrastructure Engineer (L3) to join a high-performing delivery team supporting enterprise and mid-market environments across Australia.

This role is ideal for someone who enjoys being hands-on across infrastructure, cloud, virtualisation, networking, and Microsoft environments, not just maintaining systems, but actively building and improving them.

The Opportunity
We’re partnering with a leading Australian provider of cyber-first technology and managed services, to find an experienced Senior Infrastructure Engineer (L3) to join their Sydney delivery team.

This is a senior technical role responsible for:

• L3 escalations (approx. 20% escalations, 60% projects, 20% other)
• Infrastructure deployments
• Cloud and hybrid environments
• Technical project delivery
• Client-facing engineering support
• Mentoring junior engineers

You’ll work across multiple client environments in a collaborative and highly technical MSP setting.

What You’ll Be Doing

• Supporting and building complex infrastructure environments across multiple clients
• Managing L3 escalations across server, cloud, networking, and virtualisation technologies
• Delivering infrastructure projects, migrations, onboarding, and deployments
• Supporting AWS and hybrid cloud environments
• Working across Microsoft technologies including M365, Active Directory, Azure AD, and Windows Server
• Troubleshooting complex infrastructure and connectivity issues
• Supporting backup, disaster recovery, monitoring, and security platforms
• Working directly with clients to provide clear technical guidance and solutions
• Mentoring L1/L2 engineers and contributing to technical knowledge sharing

What You’ll Bring

• 5+ years’ experience in a Senior Infrastructure Engineer, Systems Engineer, or L3 Support role
• Strong MSP
• Strong hands-on infrastructure engineering capability
• Microsoft – Azure, Windows Server, Microsoft 365
• Virtualisation (VMware/Hyper-V)
• Networking fundamentals
• Backup & DR technologies
• Ability to troubleshoot and resolve complex technical issues end-to-end
• Strong client-facing communication skills
• Experience working across multiple concurrent environments and priorities

Why Join?

• High-performing and collaborative technical environment
• Hybrid working flexibility
• Exposure to enterprise-level infrastructure projects
• Strong career progression pathways
• Ongoing professional development and certification support
• National organisation with cutting-edge cyber and managed services capability

Package

• Competitive salary
• Hybrid work environment
• Professional development support
• Employee benefits and career progression opportunities

Apply Now

If you’re a hands-on Infrastructure Engineer who enjoys solving complex technical challenges, working directly with clients, and building modern infrastructure environments, we’d love to hear from you.