Technical Specialist - OT Security
We are seeking a Technical Specialist – OT Security to help protect operational technology environments that support critical industrial processes. In this role, you will assess, improve and maintain the security of industrial control systems, supervisory control and data acquisition (SCADA) platforms, distributed control systems and connected operational networks. You will work closely with engineering, operations, infrastructure and cybersecurity teams to identify risks and deliver practical security improvements without compromising safety, availability or production requirements.
Your responsibilities will include performing OT security assessments, vulnerability reviews and risk analyses; developing and maintaining security architectures, standards and technical procedures; and supporting the implementation of network segmentation, secure remote access, asset visibility, identity management, monitoring and endpoint protection controls. You will contribute to incident response activities, threat investigations and recovery planning, as well as support compliance with relevant legislation, policies and recognised frameworks such as IEC 62443, NIST and ISO 27001. You will also help maintain accurate asset inventories, review system changes and advise on the secure design and commissioning of new OT technologies.
The successful candidate will have experience securing industrial or critical infrastructure environments, with a strong understanding of OT protocols, industrial networks, PLCs, HMIs, SCADA systems and the differences between IT and OT risk management. Knowledge of security monitoring, vulnerability management, incident response and risk assessment methodologies is highly desirable. Relevant qualifications in cybersecurity, engineering, computer science or a related discipline are advantageous, as are certifications such as GICSP, GRID, CISSP, CISM or IEC 62443. You should be analytical, collaborative and able to communicate complex technical issues clearly to both technical and non-technical stakeholders. A practical, safety-focused approach and willingness to work across operational sites or support occasional out-of-hours activities will be important.
Technical Specialist - OT Security
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