_{14th October, 2026}

Brennan. Where true performance thrives. 
At Brennan, we believe that how technology is delivered is every bit as important as what the technology is. We focus on creating real and relevant value for customers with solutions that fit their specific needs and always reflect their true interests.  It’s a claim backed by our True Performance System – a way of working engineered to get us closer, and deliver better, for our customers and their actual experience of technology. 
  
Why join Brennan 
True performance for our customers starts with a true belief in our people. 
It’s why we’ve structured our business to help our teams, and their talents, shine bright. It's why we’ve created a workplace where people of all backgrounds, beliefs and experiences are welcomed and empowered. And it’s why we’ve built an organisation where real innovation makes a genuine impact and generates true rewards for our team members. 
   
True rewards 
In addition to competitive remuneration, Brennan offers extensive benefits, including: 

• Training and certification bonuses 
• Culture Awards that recognise excellence 
• Brennan Daredevils – our annual, all-expenses paid trip awarded to our top performers and outstanding contributors 
• Vibrant, fun social activities 
• Discounted hardware and software 
• An environment that embraces learning and development

The role
As a Technical Lead within our Managed Services team, you will serve as the dedicated technical authority for an enterprise client’s infrastructure. The role will be based in Thornleigh, Sydney.

This role demands a robust onsite presence and strong grasp over data center management, including compute, storage, backup, and VMWare environments. In this capacity, you will provide high-level technical support and tailored solutions, significantly enhancing client satisfaction and operational efficiency.

The successful candidate will be expected to take ownership of technical outcomes, coordinate cross-functional initiatives, and act as a senior technical advisor for both customers and internal stakeholders.

Your key responsibilities include, but not limited to:

• Monitoring and optimizing IT systems for performance, security, and scalability, focusing on a managed environment encompassing Azure Compute and Storage, cloud-native backup solutions, VMWare/Virtualisation in hybrid setups, and scalable cloud architectures.
• Managing problem management processes and working day-to-day on investigations and resolution of escalated security and other IT issues across cloud and hybrid environments.
• Maintaining and administering systems, which includes Windows server support and hypervisors, associated storage and virtual machines hosted on premise and in public cloud environments
• Ensuring service quality through technical competence and attention to detail,and striving for high levels of customer feedback scores.
• Maintaining effective communications with your clients.
• Ensuring adherence to our Service Delivery policies, processes, and procedures,and compliance with standards and regulations; managing security protocols with a strong emphasis on cloud security best practices.
• Leading coordination with internal teams and vendors for seamless service delivery.
• Developing new strategies to increase efficiency in the systems and performing system analysis and recommending improvements with a focus on cloud optimization and hybrid interoperability
  

Key skills required to succeed in the role:

• Minimum of 10 years of IT experience with advanced infrastructure and systems management skills.
• Advanced VMware administration and support, including ESXi hosts, vCenter, clustering, HA, DRS and storage management.
• Administration of Veeam Backup & Replication, including VMware backups, Replication, Continuous Data Protection (CDP) and SureBackup.
• Advanced knowledge of HPE server infrastructure, storage platforms and Fibre Channel SAN switching.
• Administration and support of Linux operating systems and Docker container environments.
• Administration and support of Microsoft IIS Web Servers and IIS FTP Servers.
• Experience managing Microsoft Failover Clustering and SQL Server Availability Groups.
• Experience configuring and supporting reverse proxy and load balancing solutions.
• Strong PowerShell scripting and automation skills.
• Knowledge of disaster recovery, business continuity and backup validation processes.
• Proficiency in Wintel environments, with advanced skills in Active Directory and Office 365 management.
• Strong analytical and problem-solving skills, with the ability to perform break fix analysis and root cause analysis effectively.
• Excellent verbal and written communication skills.
• Expertise in cloud platforms, with good skills in Azure (essential) and familiarity with AWS (desirable) or GCP (desirable) alongside practical knowledge of virtualized environments such as VMWare/Hyper-V
• Knowledge of backup products such as Commvault
• Experience acting as the final escalation point for complex/high impact issues and liaising with 3rd party vendors.

Note: As part of our hiring process, you will be required to undertake a technical assessment and a National Criminal History Check.

Brennan is an equal-opportunity employer.

Apply For Job