Senior L3 Systems EngineerWe use cookies to make the safest and most effective website possible### Senior L3 Systems EngineerApply: New South Wales: Full time: Posted Today: End Date: November 30, 2026 (29 days left to apply): JR05656Sydney or Melbourne | 12-Month Fixed-Term Contract #

Job Description
An exceptional opportunity has become available for an experienced Senior L3 Systems Engineer to join a global operator of mission-critical digital infrastructure supporting cloud platforms, AI-driven workloads, and large-scale enterprise environments. This is not a traditional support role.
You'll be joining a highly skilled Infrastructure Support Services team responsible for maintaining and improving the core platforms that underpin some of the most demanding technology environments in the world. The role combines advanced operational support, technical leadership, major incident management and continual service improvement across a modern enterprise infrastructure stack.
If you enjoy solving complex technical challenges, taking ownership of critical incidents, and operating within large-scale, highly available environments, we'd love to hear from you.# What You'll Be Doing
* Act as the Level 3 escalation point for critical infrastructure incidents.
* Lead troubleshooting, root cause analysis and service restoration for Priority 1 and Priority 2 incidents.
* Support large-scale VMware and enterprise infrastructure environments.
* Administer and optimise compute, storage, backup and identity platforms.
* Participate in a 24x7 on-call roster supporting mission-critical services.
* Maintain infrastructure security through patching, remediation and hardening activities.
* Support infrastructure lifecycle management including upgrades, migrations and technology refresh initiatives.
* Drive automation,



monitoring and operational improvement initiatives.
* Produce high-quality technical documentation, standards and operational runbooks.
* Work closely with vendors, project teams and operational stakeholders to deliver resilient infrastructure services. Key Technologies* Virtualisation & Compute
* VMware vSphere
* VMware ESXi
* VMware vCenter
* Virtual Machine Administration
* High Availability & Disaster Recovery
* Storage & Data Protection
* NetApp Storage
* SAN & NAS Technologies
* Backup & Recovery Solutions
* Disaster Recovery Platforms
* Capacity & Performance Management
* Windows & Identity Services
* Windows Server
* Active Directory
* DNS & DHCP
* Group Policy
* PKI & Certificate Management
* Identity & Access Management
* Monitoring & Automation
* Infrastructure Monitoring Platforms
* Performance & Capacity Management
* PowerShell Scripting
* Infrastructure Automation
* Operational Reporting & Alerting
* Security Hardening
* Patch Management # What We're Looking ForWe're seeking a true infrastructure specialist who can demonstrate:
* 10+ years of Systems Engineering or Infrastructure Engineering experience.
* Strong VMware administration and troubleshooting capability.
* Hands-on experience supporting NetApp storage environments.
* Experience supporting enterprise-scale server and infrastructure platforms.




* Proven success operating as an L3 escalation point.
* Strong incident management and root cause analysis skills.
* Experience supporting highly available and business-critical environments.
* Exposure to enterprise monitoring, automation and infrastructure management tools.
* Excellent communication and stakeholder management skills.
* Highly Regarded
* Experience within data centre, managed services or critical infrastructure environments.
* Experience supporting 24x7 operational environments and participating in on-call rosters.
* Disaster Recovery and Business Continuity planning experience.
* Experience mentoring L1/L2 support teams.
* Current NV1 Security Clearance (desirable)
* Australian Citizenship (mandatory) / or eligibility to obtain an Australian Government Security Clearance. #AUSWhy Join Us? Our promise to our employees, Belong, Grow and Thrive is our commitment to creating an environment that is inclusive to all, supports your qualified and personal development, and offers an environment where you can do life and work the way it works for you. Here is how our benefits help you: ⦁ Equal Paid Parental Leave for all primary and secondary carers. ⦁ Flexible and Focused Ways of Working that empower you to structure your work in a way that best suits you while supporting our customers, people and the planet. ⦁ Employee Assistance Program, providing employees and their immediate families with confidential access to a wide range of counselling and professional support services. ⦁ Purchased Leave options, allowing you to buy up to 10 additional days of annual leave each year to help you balance life’s priorities. ⦁ Novated Leasing and Salary Sacrificing options to make your salary work harder for you. ⦁ **Div

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