About the Role
We are seeking an experienced L3 Systems Engineer – M365 & NOC to manage and enhance monitoring, alerting and infrastructure operations across multiple client environments, with a strong focus on Microsoft 365 administration and support. This role is central to strengthening our Network Operations Centre (NOC) capabilities by ensuring infrastructure alerts are accurately assessed, prioritised and actioned while maintaining the reliability and security of Microsoft 365 services.
You will be responsible for identifying genuine infrastructure incidents, distinguishing them from false positives and informational alerts, and troubleshooting complex issues across Windows infrastructure and Microsoft 365 services, including Microsoft Entra ID, Exchange Online and Conditional Access. Additionally, you will improve monitoring standards, identify opportunities to automate recurring remediation tasks, and work closely with senior infrastructure engineers and technical stakeholders to build a proactive, efficient and increasingly automated NOC environment.
About the Client
You will be working with an established Australian managed services provider with over 16 years of experience delivering reliable, cost-effective IT solutions. The organisation supports businesses in maintaining secure, available and well-managed technology environments, with a strong focus on technical expertise, service quality and continuous improvement.
Ideal Profile
Experience and Technical Expertise
- At least 3 years of experience in an MSP NOC or infrastructure environment.
- Strong Level 2 to Level 3 technical capability, with the confidence to independently assess infrastructure alerts and incidents.
- Solid knowledge of Windows infrastructure and Windows Event Logs, including the ability to identify actionable events and distinguish them from informational noise.
- Hands-on Microsoft 365 administration experience, particularly with Microsoft Entra ID, Exchange Online and Conditional Access.
- Strong Windows Server administration skills, including Active Directory, DNS, DHCP, Group Policy and Certificate Services.
- Good networking fundamentals, including TCP/IP, VLANs, site-to-site and client VPNs, and firewall rule-base interpretation.
- Practical experience with Hyper-V or VMware virtualisation.
- Strong PowerShell scripting skills, including the ability to develop scripts for administration, troubleshooting and automation.
- Experience with monitoring and alerting platforms, patch management, endpoint security, backup operations and restore testing.
- Familiarity with vulnerability remediation and CVE/CVSS concepts.
- Ability to investigate issues methodically and determine when to remediate, automate, escalate or seek guidance.
Essential Tools and Technologies
- Kaseya / Datto RMM.
- Microsoft 365, Entra ID, Exchange Online and Conditional Access.
- Windows Server, Active Directory, DNS, DHCP, Group Policy and Certificate Services.
- Windows Event Logs and infrastructure monitoring tools.
- PowerShell scripting.
- TCP/IP, VLANs, VPNs and firewall technologies.
- Hyper-V or VMware.
- RMM platforms, PSA/ticketing systems and alert management tools.
- Patch management, backup solutions and endpoint security/AV/EDR platforms.
Desirable Tools and Technologies
- Autotask.
- Fortinet / FortiGate.
- Microsoft Defender.
- Veeam Backup & Replication.
- Cisco networking technologies.
- Nutanix and Citrix environments.
- Syslog and SIEM platforms.
- Rewst or similar automation and orchestration platforms.
Professional Attributes
- Strong verbal and written communication skills.
- Excellent analytical judgement and problem-solving capabilities.
- Ability to manage competing priorities and multiple alerts across client environments.
- Proactive approach, with a focus on preventing issues rather than simply responding to them.
- Ability to work independently, take ownership and collaborate effectively with technical teams.
- Attention to detail when assessing alert severity and relevance.
- Curiosity and a continuous improvement mindset, with the confidence to identify inefficient processes and recommend better approaches.
Responsibilities
- Monitor and assess alerts across multiple client systems, infrastructure platforms and monitoring tools.
- Evaluate alert severity, priority and business impact, distinguishing genuine incidents from recurring issues, false positives and informational notifications.
- Prioritise concurrent alerts and ensure critical incidents receive timely attention.
- Escalate complex incidents to the appropriate technical teams for further investigation and remediation.
- Improve alert quality by refining thresholds, reducing unnecessary notifications and enhancing monitoring logic.
- Develop and maintain role-based monitoring practices across servers, endpoints, network devices and security systems.
- Use PowerShell and automation to address recurring issues and minimise manual intervention.
- Monitor Windows Event Logs, system health, CPU and disk utilisation, services and other infrastructure conditions.
- Support endpoint security monitoring, ensuring antivirus and EDR solutions are deployed, configured and maintained appropriately.
- Monitor patching compliance across Windows endpoints and relevant macOS devices.
- Oversee backup monitoring and identify failed or abnormal backup activity requiring investigation or escalation.
- Contribute to improvements across RMM, PSA, logging, monitoring and alerting platforms.
- Collaborate with senior infrastructure engineers and technical stakeholders to investigate complex issues.
- Document monitoring enhancements, remediation activities and operational procedures.
- Identify opportunities to automate repetitive operational tasks and improve service efficiency.
- Contribute to broader infrastructure and technology initiatives as the NOC environment develops.
How we take care of our team
💰 Get paid in Australian Dollars
🏥 Medical insurance from day one for you + spouse (or parents if unmarried)
🩺 Generous OPD coverage from doctor visits to all your medical needs
🏡 Home office setup allowance to build your ideal workspace
🌐 Internet allowance to keep you connected
💪 Gym & wellness allowance to stay fit and balanced
🎉 Work hard, play hard – regular team events & engagement activities
🧠 Diji Assist – Mental health & counseling support when you need it
📚 We invest in you – reimbursement for industry certifications
🗣️ Open-door culture – your ideas and feedback always matter
🌍 Flexible work – home or office, wherever you do your best work
🏆 Rewards & recognition that actually recognize you
🥳 Great christmas & financial year-end parties to unwind with your loved ones
