Level 4 Engineer (Senior Systems Engineer)

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 Powe...