OT Cyber Security Engineer

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 13 week of 2026