Overview
We are seeking an experienced Operational Technology (OT) Engineer for a contract role focused on supporting a growing UK organization in various OT infrastructure and industrial connectivity projects. This fully remote position involves working with IT and engineering teams to ensure secure integration between OT and enterprise networks, and it offers a strong potential for extension after an initial 6-month engagement.
Responsibilities
- Design, implement and support Operational Technology environments.
- Configure and maintain industrial networks, switches and firewalls.
- Support OT infrastructure across manufacturing, utilities or industrial environments.
- Work closely with IT and engineering teams to ensure secure integration between OT and enterprise networks.
- Perform troubleshooting, incident resolution and root cause analysis.
- Contribute to OT security initiatives and best practices.
- Produce technical documentation and support knowledge transfer.
Requirements
- Proven OT/ICS architecture experience within industrial, manufacturing, utilities, or critical infrastructure.
- Expertise in OT network architecture, cyber security, and operational resilience.
- Solid understanding of IT/OT convergence and secure architecture design.
- Hands-on experience applying IEC 62443, including zone and conduit modelling.
- Knowledge of industrial protocols including Modbus, DNP3, OPC UA, and Profinet.
- Experience designing secure OT network segmentation and reference architectures.
- Strong OT cyber risk assessment and mitigation expertise.
- Experience working with OEMs, systems integrators, and engineering partners.