L3 Systems Engineer (Senior MSP & Security Engineer) at dijital-team-pty-ltd

We are seeking a highly capable Level 3 Systems Engineer to serve as the senior escalation point and technical authority across a cloud-first MSP and security-focused business. This role requires deep expertise in Microsoft 365, advanced networking, endpoint security, and automation. The ideal candidate will be technically strong, process-driven, security aware, and capable of leading projects while mentoring junior engineers. Duties and Responsibilities • Act as final escalation point for complex incidents • Handle and complete Level 1 and Level 2 tickets as needed to support service delivery • Lead advanced Microsoft 365 troubleshooting and security configuration • Architect and improve cloud and hybrid environments. • Lead PowerShell automation initiatives • Oversee RMM optimization and automation workflows • Design and troubleshoot advanced networking configurations • Manage and enhance endpoint security posture • Implement and refine MFA, SSO, Conditional Access policies • Assist with or lead migrations and infrastructure upgrades • Ensure ITIL-aligned service delivery standards • Mentor L1 & L2 engineers Required Experience/Skills • 7–10+ Years MSP Experience Microsoft 365 (Advanced Security & Architecture) • Advanced Exchange Online troubleshooting • Entra ID architecture & security management • Conditional Access policy design • Identity & access governance Google Workspace • Security & compliance configuration • Policy enforcement & tenant optimization Endpoint & Infrastructure • Advanced Windows Server knowledge • macOS & Windows architecture troubleshooting • Virtualization exposure (advantageous) Tooling & Automation • NinjaRMM / Atera advanced usage • PowerShell automation scripting (advanced) • Bash scripting (advantageous) • High-level documentation governance • Process improvement initiatives Networking & Security • Advanced firewall configuration • VPN architecture troubleshooting • VLAN design & segmentation • Wi-Fi optimization & diagnostics • Strong EDR/MDR management • Direct Huntress and/or Field Effect experience (Highly Preferred) • SOC/SIEM exposure (advantageous) Process & Leadership • Full ownership of complex technical issues • Escalation management • Project leadership (system upgrades, migrations) • ITIL-aligned change management execution • Root cause analysis & problem management Communication & Cultural Requirements • Fluent English (mandatory) • Clear, professional verbal communication (minimal accent requirement) • Strong written documentation capability • Ability to translate complex issues into business-friendly explanations • Leadership presence and mentorship capability