Senior L3 Systems Engineer

Description

The company runs mission-critical digital infrastructure that supports cloud platforms, AI-driven workloads and large enterprise environments.

This role sits in the Infrastructure Support Services team, which maintains and improves the core platforms behind demanding technology environments. The work blends hands-on operational support, technical leadership, major incident management and continual service improvement across a modern enterprise stack.

The company operates across 30 territories, serves more than 10,000 clients and has over 7,000 staff. Its managed services give clients real-time visibility of their digital ecosystems, 24 hours a day, 7 days a week.

The role is not a traditional support position. It suits someone who likes hard technical problems, owning critical incidents and working in large, highly available environments.

Responsibilities

• Serve 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.
• Administer and optimise compute, storage, backup and identity platforms.
• Take part in a 24x7 on-call roster for mission-critical services.
• Keep infrastructure secure through patching, remediation and hardening.
• Support lifecycle work, including upgrades, migrations and technology refresh.
• Build automation, monitoring and operational improvements.
• Write clear technical documentation, standards and operational runbooks.
• Work with vendors, project teams and operational stakeholders to deliver resilient infrastructure services.

Requirements

• 10+ years of systems or infrastructure engineering experience.
• Strong VMware administration and troubleshooting skills.
• Hands-on experience with NetApp storage environments.
• Experience supporting enterprise-scale server and infrastructure platforms.
• A proven record working as an L3 escalation point.
• Strong incident management and root cause analysis skills.
• Experience with highly available, business-critical environments.
• Exposure to enterprise monitoring, automation and infrastructure management tools.
• Excellent communication and stakeholder management skills.
• Highly regarded: experience in data centre, managed services or critical infrastructure environments.
• Highly regarded: experience supporting 24x7 operations and taking part in on-call rosters.
• Highly regarded: disaster recovery and business continuity planning experience.
• Highly regarded: experience mentoring L1 and L2 support teams.
• Desirable: current NV1 security clearance.
• Australian citizenship is mandatory, or you must be eligible to obtain an Australian Government security clearance.

Conditions

Based in Australia.

Equal opportunity employer.

Benefits

• Equal paid parental leave for primary and secondary carers.
• Flexible ways of working that let you organise your work around your needs.
• Employee Assistance Program, giving you and your immediate family confidential access to counselling and professional support.
• Purchased leave options, letting you buy up to 10 additional days of annual leave each year.
• Novated leasing and salary sacrifice options.
• A diversity, equity and inclusion programme with inclusion as a strategic priority.
• Access to the company Learning Space, with unlimited access to thousands of Udemy courses.
• Leadership and career growth support, with paths from Helpdesk to Cloud Engineering, from Sales to Management and from Operations to Senior Leadership.