We are recruiting on behalf of a well-established high-growth Managed Services Provider (MSP) seeking an experienced Senior Systems Engineer to join their service delivery team. This business has doubled in size over the past 5 years and continues to expand through hiring talented and ambitious professionals.

This role is suited to a hands-on professional who thrives in multi-client environments, enjoys technical variety, and is comfortable owning escalations and complex support issues.
 
The Opportunity

• Deliver Tier 2/3 support across multiple client environments, both remotely and onsite.
• Act as an escalation point for junior engineers, taking ownership of complex incidents and problems.
• Support and maintain Windows Server, Microsoft 365, Azure, Intune, Active Directory, DNS, and Group Policy.
• Manage and troubleshoot virtualised environments (VMware and/or Hyper-V).
• Configure and support firewalls, VPNs, switching, VLANs, and wireless networks.
• Provide onsite support to key managed clients, including preventative maintenance and technical uplift work.
• Work within SLA-driven service delivery using PSA and RMM tools.
• Maintain high-quality documentation and time recording in line with ISO-aligned MSP processes.
• Participate in a rotating after-hours support roster.

What skills you'll bring

• Proven experience in a Systems Engineer / Senior Support Engineer role within an MSP.
• Strong exposure to multi-tenant environments and competing priorities.
• Deep hands-on experience with Microsoft cloud and on-prem technologies.
• Strong troubleshooting capability across infrastructure, networking, and security.
• Solid understanding of endpoint security, MFA, and threat management.
• Relevant certifications such as Microsoft, VMware, CCNA/CCNP, Fortinet (or equivalent MSP experience).

Desirable MSP Experience

• Experience working with PSA platforms (e.g. ConnectWise, Autotask, Halo).
• Experience with RMM tools.
• Exposure to VoIP / Unified Communications.
• Involvement in infrastructure refreshes, cloud migrations, or uplift projects.
• Experience mentoring or coaching junior MSP engineers.

What can you expect

• Western Sydney office with 2 days working from home.
• Stable, well-structured MSP with mature processes and tooling.
• Broad technical exposure — no single-environment monotony.
• Senior role with influence over service quality and technical standards.
• Ongoing training, certification, and career progression opportunities.