Hands-on OT cybersecurity engineering contract supporting critical infrastructure in Darwin.

Your new company
You will join a major Northern Territory organisation responsible for delivering essential services across metropolitan, regional and remote communities. Operating in a highly regulated critical-infrastructure environment, the organisation is progressing several important security and networking implementations designed to strengthen the safety, resilience and protection of its operational technology environment.
Your new role
As an Operational Technology Cybersecurity Engineer, you will support the implementation and administration of security and networking solutions across an operational technology environment.This is a predominantly hands-on engineering position. You will work from established architectures and designs, helping implement, configure and administer security systems while contributing to design refinement, technical assurance and documentation.Your responsibilities will include:

- Implementing and administering security and networking solutions
- Applying security controls across operational technology environments
- Supporting firewall administration, network segmentation and secure network configuration
- Applying least-privilege, separation-of-duties and defence-in-depth principles
- Supporting Windows and Linux systems within a security-focused environment
- Conducting security risk and vulnerability assessments
- Testing security implementations against defined requirements
- Refining existing designs and technical configurations
- Producing technical documentation, procedures and handover materials
- Transitioning completed solutions into business-as-usual operations
- Supporting compliance with relevant Australian cybersecurity and critical-infrastructure frameworks

The role will be based on-site in Darwin, with occasional travel to other Northern Territory locations potentially required.
What you'll need to succeed
To be considered for this opportunity, you will need:





- A three or four-year science, information technology or engineering degree recognised in Australia
- Hands-on cybersecurity engineering or network-security experience
- Experience implementing and administering firewalls, network controls or security infrastructure
- Knowledge of network architecture, segmentation and secure networking principles
- Practical experience applying least privilege and defence-in-depth controls
- Experience conducting security risk or vulnerability assessments
- Working knowledge of Windows and Linux environments
- An understanding of operational technology, SCADA or industrial control environments
- Knowledge of Australian cybersecurity frameworks relevant to critical infrastructure
- Strong technical documentation and stakeholder-communication skills
- A current Australian driver’s licence
- The ability to successfully complete the required AusCheck and pre-employment screening

Experience with the Australian Energy Sector Cybersecurity Framework, IEC 62443, ASD ISM, ISO 27001 or NIST CSF will be highly regarded.Candidates from utilities, energy, resources, mining, telecommunications, manufacturing, transport or other industrial environments are encouraged to apply.

What you'll get in return
You will have the opportunity to contribute to major cybersecurity implementations within an essential-services environment where security, resilience and operational continuity are critical.This six-month contract offers hands-on involvement across security engineering, networking and operational technology, with the opportunity to work alongside experienced technical and operational stakeholders.
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Your application should clearly outline:

- Your operational technology, SCADA or industrial-control exposure
- Your security and network-engineering experience
- Relevant cybersecurity frameworks
- Your recognised tertiary qualification
- Your availability to work in office in Darwin

#3028274

📌 Operational Technology Cybersecurity Engineer (Darwin)
🏢 Hays
📍 Darwin