Salary: £45,000 - 55,000 per year Requirements: We are looking for candidates who have a BSc/BEng or HND in Computer Science, Cyber Security, or a related field. You should possess knowledge of IEC 61226/62443, NIST CSF, and our client standards. Experience with ICS, SCADA, PLCs, HMIs, and industrial protocols such as Modbus, OPC, and HART is essential. A solid understanding of network security principles and DMZ architecture is required, along with familiarity with both legacy and modern computing systems and storage media. We value strong attention to detail, excellent record keeping, and effective communication skills. You should be capable of mentoring and training new engineers to support long-term knowledge retention, and you should have an appreciation for the varied nature of computer systems. Additionally, the ability to build effective relationships with system owners and clearly communicate technical security concepts in simpler terms is important. Responsibilities: In this role, I will provide onsite support for the in-service management of Operational Technology (OT) to ensure cyber security compliance for our Computing Systems (PCS) and Technical Support Computing Systems (TSCS) at the site. I will establish governance and reporting structures for contract delivery, provide succession planning, and demonstrate service sustainability. I will implement continuous improvement processes in our engineering services by supporting configuration control and maintenance of OT/PCS systems. My responsibilities will include administering malware checks, backups, and conducting digital forensic investigations, as well as maintaining asset inventories, risk registers, and network diagrams. I will participate in cyber incident responses and awareness training to ensure compliance with our clients’ standards. I also will identify and manage cyber risks to OT assets, maintain documentation, and support CBSIS-related procedures, along with conducting portable computing device assessments and appropriately protecting sensitive information. Additionally, I will assist with configuration management and software library upkeep and collaborate with system engineers to implement security requirements while remaining aware of current cybersecurity threats facing our industry. Technologies: Support Network Security More: At Rullion, we celebrate and support diversity, committing ourselves to ensuring equal opportunities for all employees and applicants. If you’re ready to contribute to safe and secure station operations while advancing our cybersecurity efforts, we look forward to receiving your application. last updated 23 week of 2026