To provide onsite support for the in-service management of Operational Technology (OT) and ensure cyber security compliance of Client's Computing Systems (PCS) and Technical Support Computing Systems (TSCS) at site. The role supports technical governance and cyber security policies, contributing to safe and secure station operations. Key Responsibilities: Service Delivery Management Establish governance and reporting structures for contract delivery. Provide succession planning and demonstrate service sustainability. Implement continuous improvement processes. Engineering Services Support configuration control and maintenance of OT/PCS systems. Administer malware checks, backups, and digital forensic investigations. Maintain asset inventories, risk registers, and network diagrams. Participate in cyber incident response and awareness training. Ensure compliance with clients standards (CTS, TGN, INF). Cyber Security Compliance Identify and manage cyber risks to OT assets. Maintain documentation and support CBSIS-related procedures. Conduct portable computing device assessments. Handle and appropriately protect sensitive or restricted information. Support the management of CBSIS documentation, including security risk assessments and operating procedures OT/PCS In-Service Management Assist with configuration management and software library upkeep. Work with system engineers to understand and implement security requirements. Maintain awareness of current cybersecurity threats and vulnerabilities facing the industry or station OT assets. Qualifications & Skills: Essential Qualifications BSc/BEng or HND in Computer Science, Cyber Security, or related field. Skills & Experience Knowledge of IEC 61226/62443, NIST CSF, and client standards. Experience with ICS, SCADA, PLCs, HMIs, and industrial protocols (Modbus, OPC, HART). Understanding of network security principles and DMZ architecture. Familiarity with legacy and modern computing systems and storage media. Strong attention to detail, record keeping, and communication skills. Ability to mentor and train new engineers, supporting long-term knowledge and skills retention. Appreciation of both modern and legacy computer systems. Ability to build effective relationships with system owners and clearly communicate technical security concepts in simpler terms. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants