Senior Infrastructure and Cloud Engineer

Introduction:

About A23

a23 is an Australian owned Systems Integrator headquartered in Canberra. We provide specialist ICT services across diverse technologies and are recognised as a valued strategic partner for Government and private sector organisations. a23 has grown to become a prominent strategic partner, focused on servicing the needs of small to medium-sized agencies to deliver quality outcomes through expert people, great relationships, and fit-for-purpose technologies.

Why work for a23?

a23 is a well-established Australian technology company experiencing strong growth, fueled by rising demand for our expertise in Cyber Security, Networking, Cloud, Data and AI, and Hybrid Cloud. We bring the agility and innovation of a start-up backed by the maturity, credibility, and delivery assurance of an established market leader.

Our teams deliver secure, scalable solution to government and enterprise client, blending deep technical capability with a client-first culture. Whether enabling AI-driven insights, transforming hybrid infrastructure, or securing mission-critical environments, a23 is trusted to deliver at a national scale.

We offer a flexible, hybrid working environment alongside a range of employee benefits. For more information, see Our Careers - A23.

Description:

The Role

As a Senior Infrastructure and Cloud Engineer at a23, you'll work with clients, vendors, and delivery partners to design, implement, and optimise on-premises virtualised platforms, physical hardware, and public cloud services.

We welcome candidates with all preferred employment types for this opportunity. Please note that casual labour hire or subcontractor appointments are likely to be 12 months in duration at the outset.

You'll bring proven experience in designing, deploying, and managing virtualisation platforms such as VMware and Azure Local, with the ability to balance BAU operations alongside complex project delivery. Proficiency in DevOps practices and infrastructure-as-code (ideally Terraform) is essential, along with strong scripting skills and a current, in-depth knowledge of the Azure ecosystem.

We value professionals who combine technical expertise with strong communication, collaboration, and ownership—someone who takes a big-picture, pragmatic approach to deliver solutions that maximise business value and cost efficiency.

At a23, you'll contribute to diverse, high-impact projects that enhance the performance, resilience, and security of the systems our clients depend on.

Skills and Experiences:

Key Responsibilities

Infrastructure Design

• Design and documentation of private cloud server hardware solutions.
• Produce detailed designs for server hardware management applications.
• Develop comprehensive "As Built" documentation for deployed infrastructure.
• Create security documentation using approved templates, ensuring compliance with organisational and regulatory standards.
  
  

Private Cloud Design & Development

• Produce detailed designs for private cloud environments, covering hypervisor and platform layers.
• Deliver "As Built" documentation and associated security artefacts for the private cloud platform.
• Develop and maintain infrastructure-as-code scripts to automate deployment and configuration.
• Design and implement integrations between on-premises and cloud environments, ensuring seamless interoperability.
  
  

Architecture Support

• Create high-quality technical diagrams and architectural artefacts to support solution design and implementation.
• Collaborate with solution architects, security teams, and project stakeholders to ensure designs meet business and technical requirements.
  
  

Essential

Skills, Experience and Qualifications

• AGSVA Clearance: Negative Vetting Level 1 (NV1).
• 5+ years of experience as an Infrastructure Engineer
• Proven experience with Azure Cloud Platform
• Proven experience with Azure Local
• Proven experience with VMWare/VCF
• Proficiency in scripting and infrastructure as code
• Advanced knowledge of Microsoft technologies, including Active Directory, Windows Server, SCCM, and PowerShell scripting.
  
  

Key Skills & Experience

• Proven experience in HPE server hardware design, deployment, including management tools like HPE OneView and related management tools.
• Strong knowledge of private cloud platforms, hypervisors, and platform services. VMware and Azure Local
• Proficiency in infrastructure-as-code tools (e.g., Terraform, PowerShell).
• Demonstrated ability to produce detailed design documentation and security artefacts.
• Experience with hybrid cloud integration
• Ability to create professional technical diagrams
• Understanding of security frameworks and compliance requirements for infrastructure environments.
  
  

Qualifications

• A recognised ICT certification or tertiary qualification
• Industry certifications from VMware, HPE, Terraform and Microsoft
• Azure certifications are highly desirable.
  
  

a23 Policy Handbook and Mandatory Training

On commencing with a23, all employees and subcontractors are provided with the a23 Policy Handbook and asked to acknowledge their understanding and commitment to adhering to its policies. All employees and subcontractors are also assigned a suite of mandatory training that is required to be completed on an annual basis. All a23 workers are to take all reasonable care of their own health and safety and ensure that their actions do not adversely affect the health and safety of others.

Inclusive recruitment at a23

A23 value all career paths and experience so if you do not meet all the qualifications or requirements state for this role, we would still love to hear from you

A23 is an equal opportunity employer committed to a diverse, inclusive, healthy and safe work environment. We are dedicated to attracting, retaining and developing our people regardless of gender identity, ethnicity, sexual orientation, disability, age and neurodiversity. We invite people of all backgrounds and identities to submit their application. Applications are strongly encouraged from the Aboriginal and/or Torres Strait Islander, LBGTQIA+ and neurodivergent communities.

Apply now Applications may be assessed as they are received and as such the recruitment process may be finalised prior to the closing date.
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