IT/OT Domain Architect

1 hour ago

Melbourne, Victoria, Australia Davidson Full time $120,000 - $180,000 per year

The Opportunity

This is an exciting opportunity to join the client as a Domain Architect within Infrastructure and Telecommunications. You will play a key role in shaping both IT and OT architecture, enabling innovation and resilience across a critical sector. Working with a collaborative and forward-looking Digital & Technology team, you will influence strategy, drive architectural alignment, and deliver solutions that balance scalability, security, and cost efficiency.

Must be able to attend the Melbourne CBD office 3 days per week. Unfortunately sponsorship is not available for this position.

The Role

As a Domain Architect - Infrastructure & Telecommunications you will be responsible for ensuring alignment of technology strategy with business needs across IT and OT domains.

Your other responsibilities will include:

  • Leading the design and maintenance of enterprise architecture for infrastructure, telecommunications, and OT networking.
  • Guiding solution architects and SMEs across converged IT/OT networks and platforms, ensuring consistent and sustainable outcomes.
  • Chairing domain working groups and maintaining catalogues of architectural decisions for transparency and reuse.
  • Supporting business case development through accurate scope, cost, and effort estimation.
  • Identifying opportunities for optimisation and innovation, balancing operational resilience with efficiency.
  • Ensuring architectural compliance with security, regulatory, and risk requirements.

About You

In order to be a successful applicant you will bring deep domain knowledge and a track record in both IT and OT environments.

You will also have:

  • Extensive experience in IT architecture, with strong exposure to infrastructure, networking, cloud, and telecommunications.
  • Proven expertise in OT networking, protocols (e.g., Modbus, DNP3, IEC 61850), and telecommunications technologies (e.g., private LTE, microwave, radio).
  • Experience with virtualisation (VMware), hybrid cloud (Azure), and SCADA/ICS systems.
  • Strong leadership and stakeholder engagement skills, with the ability to communicate complex concepts clearly.
  • Proficiency in architecture modelling tools (e.g., LeanIX) and ability to integrate OT and IT perspectives.
  • Relevant certifications (Open Group, CCNA/CCNP, Azure Solutions Architect) highly desirable.

Benefits

  • Contract or permanent role with strategic influence across a critical infrastructure sector.
  • Hybrid working model, 2 days work from home.
  • Exposure to cutting-edge IT/OT convergence, cloud, and telecommunications initiatives.
  • Work within a collaborative, values-driven organisation that supports professional growth.

Please note: We are receiving an extremely high volume of applications, please apply directly to the job advert and be patient while waiting for an update. Whilst we endeavour to respond to all enquiries, with current volumes it can be challenging - we're only human

If you wish to apply via email please make sure you also apply directly - a lot of applications get phished, or sent to spam.

Please apply with current resume in Microsoft Word format only (.doc or .docx). , JN Want to know more about Davidson? Visit us

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