Senior OT Cyber Security Engineer

Senior OT Cyber Security Enigneer | Operational Technology | SCADA | PLC | HMI | EC&I | Critical Infrastructure | OT Security | £75,000 - 2 days a week onsite We are looking for a Senior OT Cyber Security Engineer to join a growing cybersecurity team focused on securing Operational Technology (OT) and Industrial Control Systems (ICS) environments. This is a high-impact role where you'll work on protecting critical infrastructure, designing secure OT architectures, and leading security engagements across complex industrial environments blending your skills in Industrial Controls & OT Security. What you'll be doing Lead OT/ICS security assessments across industrial environmentsDesign and implement secure network architectures for OT systemsConduct risk assessments, threat modelling, and vulnerability analysisSupport incident response and remediation within OT environmentsWork closely with clients to define and improve their OT security postureContribute to best practices, standards, and security frameworks What we're looking for Strong experience in OT / ICS cybersecurity environmentsSolid understanding of industrial protocols (e.g. Modbus, DNP3, OPC)Strong Industrial controls experience - SCADA, PLC, HMIExperience with network security (firewalls, segmentation, monitoring)Familiarity with frameworks such as IEC 62443, NIST, or NCSC guidanceAbility to work directly with clients and communicate technical concepts clearlyBackground in critical infrastructure, energy, manufacturing, or similar sectors Why join? You'll play a key role in securing critical infrastructure, working on meaningful projects with real-world impact; all within a flexible, fully remote environment. Apply now or get in touch to learn more.