Level 3 Systems Engineer - Sydney
About the Role
We are partnering with a growing managed services provider to hire a Level 3 Systems Engineer to join their high-performing Assist Team.
This role will see you operating as a senior escalation point across complex infrastructure and security environments, while also playing a key role in technical leadership, automation, and continuous improvement initiatives.
You'll work across a broad range of Microsoft, virtualisation, and network technologies, supporting enterprise clients while mentoring junior engineers and driving best practice across the team.
Key Responsibilities
- Provide Level 3 support across systems, infrastructure, and network environments
- Troubleshoot and resolve complex incidents across Microsoft technologies (Windows Server, M365, Exchange, SharePoint, SQL)
- Support and manage virtualisation platforms (VMware, Hyper-V)
- Maintain and support Citrix environments (Virtual Apps, Desktops, Netscaler, WEM)
- Deliver network-level support across WAN/LAN, firewalls, routing, and connectivity
- Act as a senior escalation point for L1/L2 engineers and assist with critical incident resolution
- Communicate effectively with clients, providing updates, managing expectations, and ensuring service quality
Key Skills & Experience - Strong experience in a Level 3 Systems / Infrastructure Engineer role
- Deep expertise across Microsoft environments (Windows Server, M365, Azure)
- Experience with virtualisation (VMware, Hyper-V) and Citrix technologies
- Strong networking knowledge (WAN/LAN, firewalls, routing, security)
- Experience with endpoint management (Intune, Autopilot)
- Scripting/automation experience (PowerShell highly desirable)
- Exposure to security frameworks and tools (Defender, Secure Score, etc.)
- Proven experience in a managed services or client-facing environment
Certifications (Desirable) - Microsoft Certifications (AZ-104, MS-500, M365 Expert)
- Security certifications (Security+, CISSP, CISM, etc.)
- Other relevant infrastructure or cloud certifications
Ideal Candidate Profile - Strong technical depth with a proactive and solutions-focused mindset
- Experience working in MSP or multi-client environments
- Comfortable mentoring others and leading technical initiatives
- Strong communication skills with the ability to engage with both technical and non-technical stakeholders
- Commercially aware with a focus on delivering high-quality outcomes
