About the Role

We are seeking an experienced Level 4 Senior Systems Engineer to provide technical leadership, advanced escalation support, solution architecture, and complex project delivery across Microsoft, cloud, networking, and security environments.

This role is suited to a commercially minded senior engineer who can solve complex technical challenges, lead infrastructure and cloud initiatives, mentor technical teams, and build trusted relationships with clients. You will operate as a senior technical authority while driving improvements across customer environments and service delivery.

About the Client

You will be working with an established managed services provider supporting businesses across Australia with managed IT services, cloud solutions, technology procurement, and software licensing. The organisation places a strong emphasis on quality, accountability, trusted technical partnerships, and delivering strong outcomes for its clients.

Ideal Profile

Technical Expertise

10+ years of experience in the IT industry, including 5+ years within an MSP environment supporting multiple customers

Advanced Microsoft 365 administration and architecture experience

Strong hands-on expertise across Microsoft Entra ID, Intune, Azure, Microsoft operating systems, and cloud infrastructure

Advanced networking and firewall administration capabilities

Experience with enterprise Wi-Fi, network infrastructure, VPNs, routing, switching, VLANs, WAN, and internet connectivity

Strong understanding of endpoint security, backup and disaster recovery, and cybersecurity principles

Experience with PowerShell scripting and automation

Proven ability to design, troubleshoot, and improve complex infrastructure environments

Security & Cloud

Experience implementing security controls and remediation strategies

Understanding of security frameworks and compliance requirements, including Essential Eight, CIS Controls, NIST, and cyber insurance requirements

Experience with security monitoring, incident response, and security investigations

Microsoft Sentinel, SIEM, Microsoft Defender, Azure Virtual Desktop, and Cloudflare experience is highly desirable

Platforms & Technologies

Ubiquiti UniFi and Sophos Firewall experience is advantageous

Familiarity with Microsoft Teams Phone is beneficial

Experience with ConnectWise Manage, ConnectWise Automate, IT Glue/IT Boost, and ITIL is desirable

Leadership & Client Engagement

Proven experience leading technical initiatives and mentoring engineers

Strong client-facing and stakeholder management capabilities

Ability to communicate technical concepts and solutions to both technical and non-technical audiences

Strong analytical and problem-solving skills

High attention to detail with a proactive, accountable, and outcome-focused approach

Strong organisational skills and the ability to work independently and make sound technical decisions

Commitment to continuous learning and professional development

Certifications

Preferred certifications include

Microsoft Certified: Enterprise Administrator Expert

Microsoft Certified: Azure Solutions Architect Expert

Microsoft Certified: Cybersecurity Architect Expert

Microsoft Certified: Security Operations Analyst

CCNA, CCNP, or equivalent networking certification

CISSP, CISM, CEH, or equivalent cybersecurity certification

ITIL Foundation or higher

Responsibilities

Technical Leadership & Escalation

Act as the highest level of technical escalation for Level 1–3 engineers

Lead root cause analysis for complex infrastructure and cloud issues

Mentor and guide technical team members

Develop and maintain technical standards, procedures, and best practices

Review and approve technical solutions and project designs

Microsoft 365 & Cloud Solutions

Design, implement, and optimise Microsoft 365 environments

Lead projects across Microsoft 365, Entra ID, Intune, security, SharePoint, Teams Phone, and Azure

Implement and improve Zero Trust security frameworks

Drive automation initiatives using PowerShell and Power Platform

Infrastructure & Networking

Design and support enterprise-grade networking environments