*Outside IR35Job RequirementsAt Quest Global, its not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better placeto make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.As a Senior Control & Instrumentation Engineer within the Functional Requirements team, you will lead on the development of the C&I functional specifications for systems. Your work will capture and define the plants control functions, ensuring they are structured, and translated into implementable system requirements.The role includes collaborating closely with C&I architects, system owners, and plant capability teams, supporting technical decision-making and ensuring cross-disciplinary alignment.Work ExperienceC&I Systems Design ExpertiseExperience of Nuclear Pressurised Water Reactor (PWR) plant operation and control, or similar industrial experience of plant/system control.Experience in the systematic design lifecycle of C&I system, including specification, design, assessment, verification, testing, installation, commissioning, and maintenance of power station C&I systems together with understanding of the principles of designing systems to be functionally resilient to faults (such as redundancy and diversity).Knowledge of principles and concepts, including appropriate industry standards (such as IEC 61508, IEC 61513, IEC 61226 for nuclear industrySystem Engineering ExpertiseDemonstrable understanding of applying asystems engineeringapproach to design.Logical mindset and approach to tackling problems.Experience with keysystems engineeringmethodologies (e.g. Holistic requirements model, Pugh matrix, interface management)Experience inrequirements managementor structured verification and use ofrequirements managementtools (e.g. IBM DOORS, Polarian etc).Experience withModel Based Systems Engineering (MBSE)tools (Level 4)Interpersonal SkillsExperience in taking information, understanding, and presenting it inan appropriateand compelling format, which includes formal communications to theappropriate stakeholdersincluding regulatory bodies.Experienceof engaging and working with internal and external stakeholders. Experience of working with internal and external customers, understanding theirrequirements,and providing solutions that are in line with relevant good industry practices.Experience of technical ownership and working together. An ability to work with and coach junior members in the team.JBRP1_UKTJ