Salary: £28,000 - 50,000 per year Requirements: Bachelors degree or equivalent Strong technical ICS experience, including reviewing configurations, best practices for backup and recovery, and understanding industrial protocols Good general technical knowledge, including applications technologies, networks, protocols, databases, and operating systems (Windows/Linux) Understanding of Industrial Networks Experience using ICS software, including Engineering Software, Version Management Software, HMI Software, and OPC Software Working knowledge of networking concepts and ability to review network designs and perform security assessments of network devices (e.g. switches, routers, firewalls) Cybersecurity certifications (e.g., CISSP) ICS Security Certifications (SANS GICSP, ISA/IEC 62443 Risk Assessment Specialist) Experience implementing security controls, hardening, and technologies in automation systems and networks Experience implementing vulnerability and patch management in ICS environments Working knowledge of IACS Security standards Willingness to travel to other client sites in Europe (5%) Responsibilities: Provide secure design, development, and architecture requirements for Industrial Control Systems (ICS) environments and information and digital systems Write, review, and maintain documents, policies, and standards governing cyber security requirements for the ICS environment Provide secure architecture requirements for lab and development networks Perform security reviews and assessments of systems, networks, and processes/procedures in ICS environments Assist with testing, selection, and implementation of security technologies in ICS environments Provide support for projects and initiatives to enable sites to accomplish project goals securely Support the management and remediation of vulnerabilities identified in ICS environments Develop cyber security technology implementation strategies for ICS environments, understanding the differences between IT and OT Execute risk-based methodologies for cyber security assessments of ICS systems, including remote sites and vessels Create technical design documentation and write technical reports for both technical and management audiences Follow established metrics and key performance indicators to monitor the health and effectiveness of the ISC cyber security program Stay informed about the latest cyber threats to the ICS environment Develop strategies and plans to mitigate emerging cyber threats Technologies: Support Linux Network Security Windows More: At Belcan, we are looking for an OT Security Engineer to join our team on a permanent basis in our South West London office. This role focuses on providing OT cyber security support within the Oil & Gas Industry. Our culture is built on curiosity, expertise, and ideas, promoting equal opportunities and inclusion. This position allows hybrid working with some ad-hoc visits to Norway and Poland. last updated 11 week of 2026