Principal Developers are responsible for designing, developing, and implementing innovative technical software solutions (both on-prem and cloud) that meet ISO/ICT’s, and Sellafield Ltd.’s, strategic business needs. They serve as Subject Matter Experts for the technical aspects of software products within the ISO portfolio. They are responsible for the delivery of bespoke applications development and maintenance for projects. They develop and maintain bespoke applications as part of the ISO Development and Configuration capability, delivering solutions in a safe, secure, and professional manner to relevant technical and business best practice and standards in order to support Sellafield Ltd in its technical vision.
Support the delivery of digital products across ISO/ICT and Sellafield Ltd by developing software components and writing clean, secure, and well-tested code to provide quality solutions. Troubleshoot and resolve complex technical issues that arise during development and after deployment. Provide technical leadership during all phases of the software development lifecycle (SDLC). Ensure that security, stability and capacity are embedded in the development and deployment of services. Proactively manage service components in line with key performance indicators (KPIs), supporting service availability and capacity management as well as the identification and resolution of service faults. Optimise development processes by analysing existing workflows, identifying improvements, and supporting their implementation. Design, review, and support the quality assurance of software solutions to ensure they effectively mitigate security threats. Apply modern development techniques and standards to the delivery of all software solutions and encourage adherence to them among other developers. Use a variety of prototyping methods, sharing best practice and supporting other developers in their application, while considering the strategic end-to-end design of services. Design systems in line with architectural principles, policies and organisational standards. This may also include supporting their implementation and procurement. Support systems integration by defining the integration build, coordinating build activities across systems, and participating in testing. Support engagement with the Digital & Business Partnering team to understand customer needs and translate them into user stories. This includes identifying appropriate tools and methods to prioritise user stories and clearly articulating...
Developers are responsible for designing, developing, and implementing innovative software solutions (both on-prem and cloud) that meet ISO/ICT’s, and Sellafield Ltd strategic business needs. Role-holders require strong technical expertise, an ability to work effectively in teams, and a commitment to continuous improvement to deliver secure and scalable solutions that help Sellafield Ltd realise its digital ambition.
Support the delivery of digital products across ISO/ICT and Sellafield Ltd by developing software components and writing clean, secure, and well-tested code, to provide quality solutions. Proactively manage service components in line with key performance indicators (KPIs), supporting service availability and capacity management as well as the identification and resolution of service faults. Optimise development processes by analysing existing workflows, identifying improvements, and supporting their implementation. Design, review, and support the quality assurance of software solutions to ensure they effectively mitigate security threats. Apply modern development technique and standards to the delivery of all software solutions and encourage adherence to them among other developers. Use a variety of prototyping methods, sharing best practice and supporting other developers in their application, while considering the strategic end-to-end design of services. Design systems in line with architectural principles, policies and organisational standards. This may also include supporting their implementation and procurement. Support systems integration by defining the integration build, coordinating build activities across systems, and participating in testing. Support engagement with the Digital Exploitation team to understand customer needs and translate them into user stories. This includes identifying appropriate tools and methods to prioritise user stories and clearly articulating the distinction between user needs and desires. A degree or equivalent experience in a relevant field, such as Computer Science. Proven experience or acumen as a Developer. Strong understanding of agile software development methodologies. Proficient with Test Strategies, Test Frameworks, and...
To control and supervise the delivery of work activities and manage the craft team members in accordance with established arrangements to deliver an effective maintenance service to a defined area of the site. Principal Accountabilities: Plan, organise and prioritise work: Ensure that work activities are effectively delivered in accordance with the plant/facility work delivery schedules by engaging with Front Line Maintenance Support Team Members so that rework and backlog are minimised and activities to optimise plant/facility operations are utilised and safety is maintained. Monitor team utilisation and address any workload issues to ensure that the team is effectively deployed, and value-added utilisation is improved. Utilise the error reduction tools as laid out in site procedures to the allocated resource for a task so that associated hazards and defined scope of work are clearly understood and agreed by all. Responds to changes in plant condition by prioritising tasks through the work planning process so that plant availability and safety is maximised at all times. Support effective fault diagnosis process and engage the relevant support functions to enhance team capability and minimise mean time to repair the plant/facility. Attend work planning meetings (e.g., Production Meetings, Plant Operational Control Centre (POCC)) and liaise with Integrated Work Management (IWM) to understand work priorities. Plan and organise work; provide risk assessments, working instructions and other documents required for safe work execution, identify and sequence activities to ensure efficient conduct of work, co-ordinate with other work groups, ensure availability of necessary tools and equipment, and set realistic timescales for completion. Ensure sufficient resources are available and escalate resource deficiencies to line management where insufficient resource is available to meet manning levels / deliver critical work scope. Control and Supervise: Compile a formally documented record of work to facilitate an effective handover/hand back to ensure compliance with relevant Site Licence Condition to communicate changes to plant condition, breakdowns and configuration so that plant status is clearly understood by all parties. Ensure that team members have appropriate skills, experience, and training to carry out work efficiently and effectively and adhere to all statutory and regulatory requirements. Assign work activities based on team members’ strengths and weaknesses. Ensure that only Suitably Qualified and Experience (SQEP) team members are allocated tasks which may affect safety. Carry out Pre-Job Briefs (PJB) to ensure team members understand the work to be performed, including scope, roles and responsibilities, hazards and precautions, critical steps and contingency arrangements. Apply the appropriate level of supervision to the activities of team members to ensure that work is carried out as required by Company standards, procedures, instructions and other requirements (e.g. Disciplined Maintenance standards, Human Performance Error Reduction Tools, etc). Carry out Post Job Reviews (PJR); reinforce good practice and identify what needs to be improved for future work. Train and develop team members: Manage personal development, aspirations, performance, and work scope of the team members to ensure a high performing cohesive team. Actively coach and mentor colleagues and others to assist in knowledge transfer and strengthening of the site maintenance capability. Responsible for the day-to-day management, supervision, and development of Apprentices to support scheduled milestones and support successful completion of Apprenticeship. Engage with the Maintenance Profession and Training team to ensure appropriate feedback on performance, development expectations are clearly understood and learning objectives are achieved and recorded.
Manage the team: Manage the team in accordance with company HR processes and procedures; timekeeping, sickness absence, leave, personnel records, etc. Manage team performance using the performance management process, setting individual and team goals, carrying out check-in conversations, and providing effective performance feedback. Set and reinforce Company Standards and Expectations and hold team members to account for the expected levels of Nuclear Safety Professionalism. Provide timely and consistent communication of team goals, company messages, and our Company Values of Safety and Security, Ambition, Integrity, and Inclusion. Motivate and inspire the team to achieve individual, team and organisational goals. Improve performance and learn from experience: Lead and participate in local assurance processes to define and promote the standards and expectations of behaviour and performance to identify areas for improvement. Drive and improve performance through effective Leader in the Field activities aligned to organizational requirements and expectations. Identify areas for improvement and reinforce positive behaviours / good practices. Undertake or participate in Basic Cause Investigations (BCI) to identify shortfalls in practices and procedures and develop improvement recommendations. Raise condition reports for ‘off-normal’ conditions using the site Corrective Action Programme (ATLAS). Develop and implement SMART corrective actions. Encourage the routine sharing of Operating Experience (OE) to improve performance; share and implement relevant Learning from Experience (LFE) and promote a culture of open reporting of nonconformances. Apply learning to tasks to prevent repeat events. Support the development and implementation of departmental improvement programmes,...
Senior Technologists deliver prioritised tasks, aligned with their area of responsibility and skill set, supporting implementation of practical technology solutions and development of technical requirements supporting operational delivery. The Technologist role supports the identification, collation, interpretation, presentation, analysis and management of information and data, enabling effective decision making within required deadlines. Tasks may include development, demonstration and implementation of technologies and processes which reduce the technology risks across the directorate or company. Senior Technologists maintain knowledge of the relevant plant and processes they support, at a level beyond that expected of a Technologist or Supporting Technologist. They understand and where their work fits into the site mission and the interfaces/interdependencies with other facilities and processes. Senior Technologists are responsible for provision of technical support on emergent issues within their area of expertise, while also identifying and setting direction of their work and others for the benefit and development of the business. Please note, this vacancy is only open to those that are currently band 4A.
The Technologist is accountable to the Technology Manager. Deliver complex work packages to develop, demonstrate and implement new technologies, approaches and processes, utilising Best Available Technique in order to drive safer, faster, better value for the future. This will include routine and non-routine challenges for a Senior Technologist and will require only infrequent support. Undertake technical delivery involving data collection, data analysis, testing, process monitoring, and assisting in technical projects. Manage their own workload effectively, delivering to agreed deadlines, may be expected to coordinate others in support of delivery. Pro-active identification of resolution to problems, anticipating potential obstacles and engaging relevant stakeholders. As required, Senior Technologists also lead others in identifying possible causes and chains of events when faced with medium complexity challenges. Provide technical advice to stakeholders and customers on technology matters. Produce accurate technically underpinned papers and proposals. Gather learning from experience (LFE) from all areas and apply this learning effectively when delivering work scope. Support prioritisation activities, ensuring risks are appropriately considered and managed. Delivers plant and process improvements to support operational requirements. Acts as Intelligent Customer to specify, deliver and then review technical work packages delivered by suppliers (internal or external as appropriate). Provides high quality technical underpinning information to enable accurate decision making. Collect and analyse data to validate technology performance and compliance. Technologists deliver their role from various locations including office based and practical environments. Collectively they are a multidisciplined team, including...
The Commercial Property Specialist (CPS) will support and contribute to the successful delivery of scope, schedule and cost by ensuring the optimum provision of property and land management services from the SL Property Team, NDA, third party land owners and the supply chain. This will be against an assigned portfolio of work covering LC3 compliance, property and land acquisitions, and property and rates management. Whilst reporting to the Commercial Property Manager (CPM), the CPS manages and undertakes property activities to meet the business needs of Sellafield Limited (SL). This will encompass all aspects of property and land management demanding professional experience and competence, taking due account of SL initiatives.
To support the successful performance of the assigned portfolio within the organisation, through the delivery of SL’s contractual property obligations and the optimum provision of property and land management services from the NDA, third party land owners and the supply chain, including all aspects of property and land management, strategy development, price analysis, negotiation, property agreements and management. To mentor and develop support staff with the Team, where appropriate. To the SCPS CPM for the contribution to company property activity within defined, scope, schedule and cost. To assist in the establishment and collation of forecasts of the demand requirements and ensure that individual property activities are effectively undertaken to meet their needs. To ensure company property strategies are adhered to within their portfolio of work. To identify property risks and support the management and mitigation of these risks. To protect the Company’s legal interests. To challenge demand requirements to ensure value for money sourcing. To manage LC3 compliance, property agreements, property strategies, business rates and property management. To assist in ensuring value added property and land management techniques and controls are deployed on property tasks and projects through to close-out. To assist in the maintenance of property activity records, reports and system data are completed accurately and to agreed timescales. To ensure consistent application and implementation of company property policy and procedures. To assist the CPM in managing key stakeholder relationships, including the NDA and other identified stakeholder...
This role offers the opportunity to gain significant insight into working at Executive and Board level, providing visibility, breadth, and an interesting and very varied scope of work. This role is suited to individuals who have the required capability, motivation and commitment to drive value, effectiveness and efficiency. This development role provides access to all facets of the Chief Operating Officer role and provides an opportunity to engage with key internal and external stakeholders.
Acting as an informed, flexible, and capable resource to the Chief Operating Officer and close liaison with the Chief Operating Officer Personal Assistant and the Operations Lead Team to ensure that: There is clear communication between the Chief Operating Officer and Lead Team on all matters. Responses from the Chief Operating Officer are maintained whilst they are away from the office and escalated where necessary. Preparing for key meetings – such as Enterprise Development Committee and Enterprise Performance Committee, Investment Review Panel, etc. Reviewing information, conducting analysis and providing clear articulation of the key points to enable the Chief Operating Officer to make key decisions. Prepare and facilitate the monthly COO Lead Team meetings. Ensuring that briefing papers from key stakeholders to inform all visits are received in good time. Attend a variety of meetings in support of the Chief Operating Officer. Effective monitoring of ongoing activities across the function, including: - Assisting in the management of Projects. - Co-ordinating and monitoring projects and activities and effectively updating the Chief Operating Officer. - Providing focus on the long-term view on projects and issues whilst ensuring traction on key milestones towards their achievement. - Liaising on behalf of the Chief Operating Officer to answer requests for information or updates on specific projects, work streams or current areas of focus. Working with the Internal Audit function and facilitating all audits to be carried out within Operations. Working alongside the risk function to understand...
This is a temporary opportunity for 12 months for those that are already band 4A. The Senior Strategy Advisor – Integrated Waste Management (IWM) provides expert strategic advice, analysis and leadership to support the development, assurance and delivery of Sellafield’s waste management strategy. The role enables robust, evidence‑based decision‑making across the Higher Activity Waste (HAW), Lower Activity Waste (LAW) / Controlled Waste and Effluents portfolios, ensuring alignment with Site Strategy, NDA objectives and regulatory expectations. The role holder independently leads complex, high‑impact strategic work packages, maintains critical strategy artefacts, and shapes future waste management direction through scenario planning, decision management and stakeholder engagement. Through close collaboration with Senior Strategy Managers, enterprise functions, programmes and external bodies, the role underpins long‑term, integrated and optimised waste management outcomes pending disposal.
Lead the development, maintenance and assurance of key IWM strategy information, ensuring coherence across waste streams and alignment to Site Strategy, NDA strategy and regulatory guidance. Independently deliver complex strategic assessments, scenario analysis and option studies to support major strategic and investment decisions. Provide expert input to Programme Business Cases and strategic implementation approaches related to waste treatment, conditioning, storage, finishing and leading the GDF export scenario. Lead and deliver high‑impact work packages within agreed quality, cost and schedule constraints, escalating risks and issues where appropriate. Maintain and enhance key IWM artefacts, including wiring diagrams, decision overlays, dashboards and strategic roadmaps. Complete defined regulatory and assurance deliverables, including statutory or mandated strategy submissions (CEAR 2.8 requirements: Ongoing Activities During Storage of Unconditioned Higher Activity Wastes at Sellafield: 2026). Lead or support the underpinning, structuring and management of key strategic decisions, including use of decision management tools and processes (e.g. decision papers, decision trees and supporting analysis). Prepare high‑quality strategy documentation and briefing materials for governance boards, senior leadership, regulators and external stakeholders. Support and contribute to strategy governance meetings by shaping agenda content, presenting analysis, and tracking actions through to closure. Act as a recognised point of contact and subject matter expert for defined areas of the IWM strategy. Build constructive relationships with senior internal stakeholders, enterprise functions, NDA Group colleagues, regulators and external partners. Influence and challenge thinking to drive optimal, system‑level waste management outcomes, balancing technical,...
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