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)
Cloud and hybrid environments
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
Backup & DR technologies
Ability to troubleshoot and resolve complex technical issues end-to-endExperience working across multiple concurrent environments and priorities
Why Join?
High-performing and collaborative technical environment
Hybrid working flexibility
Exposure to enterprise-level infrastructure projects
Robust career progression pathways
Ongoing professional development and certification support
National organisation with cutting-edge cyber and managed services capability
Package
Hybrid work environment
Employee benefits and career progression opportunities
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📌 Senior Infrastructure EngineerAzure (New South Wales)
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📍 New South Wales