Rullion Ltd

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.

Key Responsibilities Design, develop, and maintain scalable, cloud-based applications using C#, .NET Core, and AWS. Build and maintain well-structured RESTful APIs to integrate with various systems. Work with SQL and NoSQL databases to store and retrieve data efficiently. Implement event-driven architectures using messaging systems like RabbitMQ and AWS Kinesis/SQS. Develop modern web interfaces using TypeScript and Angular. Contribute to code reviews and ensure adherence to coding standards and best practices. Collaborate with cross-functional teams to deliver high-quality software solutions. Core Skills Strong C# Skills: Demonstrated proficiency in C# programming, with a focus on building scalable applications using .NET Core. Web API Development: Expertise in designing, developing, and maintaining well-structured RESTful APIs to facilitate data exchange between systems. Database Management: Solid understanding of SQL databases and experience working with NoSQL databases, particularly MongoDB. Cloud Architecture: Proven ability to architect and implement scalable cloud solutions using AWS, adhering to best practices for event-driven systems. Front-End Development: Proficiency in TypeScript and Angular for building modern, responsive web interfaces. Messaging Systems: Experience working with message queues and streams, such as RabbitMQ and AWS Kinesis/SQS, to handle asynchronous communication. Desirable Skills Code Quality and Testing: A commitment to writing clean, maintainable code and a strong understanding of testing methodologies (unit, integration, end-to-end). Big Data: Familiarity with big data concepts, tools, and techniques for handling and processing large datasets. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

We are looking for an IT Support Technician to join the IT group of a major client, supporting day-to-day IT activities and ensuring seamless service for users. You'll be part of a collaborative IT team of 10 (including 7 technicians), providing front-line technical assistance and working closely with colleagues in the UK and France. This role is an excellent opportunity for someone with a solid grounding in IT support, strong communication skills, and a proactive approach to solving problems. Key Responsibilities Provide desktop support and troubleshooting for users across the organisation Ensure user identities and authorisations are correctly managed Deploy, configure, and maintain workstations, computers, telephones, and IT equipment . Provide access to applications, shared networks, and SharePoint sites . Manage and resolve level 1 incidents , escalating to level 2 support in France when necessary. Administer Active Directory (user and computer scope). Maintain and update the IT asset inventory . Document and update IT procedures for both technicians and end users. Collaborate with other IT colleagues to ensure high-quality user support and service continuity. Key Requirements Strong knowledge of Windows 10/11 , MS Office 365 , and troubleshooting. Basic understanding of networking, systems administration, and Active Directory . Familiarity with collaborative tools such as shared networks and SharePoint. Experience with CAD software is an advantage. Excellent interpersonal and communication skills . Ability to manage multiple tasks, work independently, and take initiative. Previous experience in Tech Bar / desktop support environments desirable. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

We're looking for a talented BI Data Analyst to join our Customer Insights team on a 3-month contract. Reporting to the Insights Manager , you'll play a pivotal role in turning data into actionable insights that shape customer strategy and operational performance. You'll help evolve our BI suite, deliver executive-level reporting, and ensure that our analysis reflects the voice of the customer across the business. Key Responsibilities Lead the design, delivery, and continuous improvement of BI reporting and dashboards (Power BI essential). Partner with internal stakeholders to gather and document reporting requirements. Develop and maintain key KPI reports, from daily operational performance to forecasting projections. Build and enhance data models, ensuring accuracy, efficiency, and scalability. Create and automate reporting processes using Excel (advanced) and VBA macros. Drive automation and integration between BI tools and the CRM system. Produce business-critical reporting such as Executive Dashboards and insight packs. Identify and correct inefficiencies in existing reporting processes. What You'll Bring Proven experience in BI development and data analysis roles. Expertise in Power BI , including DAX, data modelling, and visualisation best practices. Advanced proficiency in Excel , including pivot tables, macros, VBA, and data forecasting/modelling. Strong analytical mindset and meticulous attention to detail. Excellent stakeholder management and communication skills. Ability to work independently and collaboratively in a fast-paced environment. Adaptability to evolving business requirements and data challenges. Key Relationships Customer Leadership Teams (SLT & WLT) Customer Business Partners and Delivery Managers Customer Business Analysts and Business Support Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

We are looking for an IT Support Technician to join the IT group of a major client, supporting day-to-day IT activities and ensuring seamless service for users. You'll be part of a collaborative IT team of 10 (including 7 technicians), providing front-line technical assistance and working closely with colleagues in the UK and France. This role is an excellent opportunity for someone with a solid grounding in IT support, strong communication skills, and a proactive approach to solving problems. Key Responsibilities Provide desktop support and troubleshooting for users across the organisation Ensure user identities and authorisations are correctly managed Deploy, configure, and maintain workstations, computers, telephones, and IT equipment . Provide access to applications, shared networks, and SharePoint sites . Manage and resolve level 1 incidents , escalating to level 2 support in France when necessary. Administer Active Directory (user and computer scope). Maintain and update the IT asset inventory . Document and update IT procedures for both technicians and end users. Collaborate with other IT colleagues to ensure high-quality user support and service continuity. Key Requirements Strong knowledge of Windows 10/11 , MS Office 365 , and troubleshooting. Basic understanding of networking, systems administration, and Active Directory . Familiarity with collaborative tools such as shared networks and SharePoint. Experience with CAD software is an advantage. Excellent interpersonal and communication skills . Ability to manage multiple tasks, work independently, and take initiative. Previous experience in Tech Bar / desktop support environments desirable. Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.