At Centorrino Technologies (CT), we’re more than just tech—we’re a community that goes beyond expectations. We’ve been recognised as a Great Place to Work in 2024-2025 and one of the Best Places to Work Medium & Large Size in Australia for 2025, with an outstanding eNPS score of 68. And we’re not stopping there.
We are seeking an experienced Senior Systems Administrator (Infrastructure Engineer) to support the design, deployment, and ongoing management of secure, enterprise-scale infrastructure environments. This role is ideal for professionals with strong Linux systems administration expertise, experience across virtualised and cloud environments, and a passion for automation and continuous improvement. You'll work as part of a collaborative technical team to deliver resilient, high-performing infrastructure that supports critical systems and services. This role is a 12-month contract based on-site in Canberra, ACT.
RequirementsWhat You'll Do
- Lead the installation, configuration, maintenance, and lifecycle management of enterprise infrastructure and platforms.
- Manage and optimise Linux-based systems across on-premises and cloud environments.
- Design, deploy, and administer VMware and VMware Aria environments.
- Develop and maintain infrastructure automation and configuration management using modern tooling and best practices.
- Deploy and support Kubernetes, Docker, and virtualised environments across multiple platforms.
- Configure, troubleshoot, and maintain networking components, including VLANs, DNS, load balancers, and firewall rules.
- Deploy developer and analyst tooling, including IDEs, package management solutions, and access controls.
- Build and maintain isolated or sandboxed environments for secure testing and analysis.
- Collaborate with system administrators, software developers, and technical stakeholders to improve infrastructure performance and operational processes.
- Mentor team members, contribute to technical design reviews, and provide expert advice on infrastructure solutions.
- Extensive experience in Linux systems administration across both on-premises and cloud environments.
- Strong expertise in VMware and VMware Aria, including design, deployment, administration, and lifecycle management.
- Hands-on experience with containerisation technologies such as Docker and Kubernetes.
- Solid networking knowledge, including configuring and troubleshooting VLANs, DNS, load balancers, and firewall rules.
- Experience deploying developer environments, package management tools, and implementing secure access controls.
- Demonstrated experience designing and supporting sandboxed or isolated environments.
- Strong automation and scripting skills, with experience using configuration management and infrastructure-as-code tools.
- Excellent problem-solving, communication, and stakeholder engagement skills.
- Ability to work independently while contributing effectively within a collaborative technical team.
- Current TSPV (Top Secret Positive Vetting) security clearance is required
Benefits
Why You'll Love Working Here:
Our company is more than just a workplace, it's a hub of inspiration and creativity where employees love to work! Here's why:
- Extensive training and development opportunities that enable continual growth as part of your career planning.
- Extensive discounts and benefits to maximise your money.
- A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs.
- Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.
CT celebrates diversity and enables every voice to be heard as we drive to create the world we want. Apply today and be part of a team that values innovation, inclusivity, variety and diverse backgrounds.
Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.
Skills Required
- Current TSPV (Top Secret Positive Vetting) security clearance
- Valid Vulnerable People / Working with Children Check (WWCC) and Police Check
- Extensive Linux systems administration experience (on-premises and cloud)
- Strong expertise in VMware and VMware Aria (design, deployment, administration)
- Hands-on experience with Docker and Kubernetes
- Networking skills: configuring and troubleshooting VLANs, DNS, load balancers, firewall rules
- Experience designing and supporting isolated/sandboxed environments
- Strong automation and scripting skills; experience with configuration management and infrastructure-as-code tools
- Experience deploying developer tooling, package management solutions, and secure access controls
- Ability to mentor team members, perform technical design reviews, and engage stakeholders effectively
What We Do
Here at Centorrino Technologies, or CT as we like to call ourselves, we start with the customer and work our way back to the tech. Over the past decade we have been working hard to provide the very best managed ICT services to the education, government and corporate sectors. We exist to empower our customers with a frustration free tech environment, achieving this by creating an environment where employees love their work and deliver over and above customer’s expectations. All services and solutions with us are tailored to ensure the needs of each individual customer is put at the centre of every design. Beginning with our core offerings - Managed ICT Services, Solution Design, Project Delivery, Cloud implementation, migration and optimization, Backup & Disaster Recovery, Connectivity and Voice, Collaboration and Audio Visual and Staff Augmentation – we have a solution to meet all shapes and sizes. Learn more at www.ct.com.au
