The Data Centre Management team currently consists of the Data Centre Manager, we are looking for someone to provide operational, administrative, and coordination support to the Data Centre Manager to ensure resilient, compliant, and efficient DC operations across facilities, IT infrastructure, and services: Currently a team of one so lots of scope for self-development and influencing the direction of the team. Supporting the production of documentation to manage the Data Centres and Comms Rooms. Enhancing your site knowledge, we have infrastructure across most SL building across all managed sites. Building relationships across a diverse range of stakeholders both internal and external. Supporting to improve the legacy position of the SL IT infrastructure. Developing management skills. Collaboration with the wider Service Management teams including Change, Incident, Pace and Service Continuity.
Background in IT infrastructure. Good understanding of the services provided by ISO. Be able to advise on the impact of 3rd parties undertaking work affecting the IT infrastructure, e.g. Electrical Maintenance. Knowledge of Change & Incident Process. Able to manage and communicating with stakeholders at all levels of the organisation. Familiarity with the site, it’s layout and plants. Someone willing to step up and take responsibility where appropriate but also understand their limits and when to ask for support. Able to work autonomously. Interested in learning the non-IT aspects for Data Centre Management including critical building infrastructure (e.g., UPS, Generators, BMS, HV/LV systems and switching, cooling systems, etc.) Be able to problem solve, breaking down problems into smaller more manageable parts. Understands how the infrastructure and services we manage support the safe and secure operation of Sellafield. Please note to apply for this EOI you must work within the ISO Profession and Band 4B. Open VN Number of Vacancies: 1 Contact/s: Chris Cripps If you choose to apply for this role and your application is shortlisted by the hiring manager, you will be invited to an informal discussion. Sellafield Ltd are recognised as a Disability Confident Employer (Level 3). Disability Confident employers offer an interview to disabled applicants that meet the minimum criteria for a vacancy. Sellafield Ltd define the minimum criteria as the ‘essential skills’ which are listed on the vacancy notice. Whilst completing your...
The Head of Environmental Management and Standards sets the enterprise strategy, governance and assurance framework for environmental management, ensuring Sellafield Ltd maintains compliant and robust arrangements that support safe mission delivery. They provide specialist leadership and oversight to ensure environmental risks are controlled, regulatory expectations are met and performance improves, holding functional authority for environmental standards and performance insight. Working alongside the Head of Core SHEQ Services, the postholder provides technical advice, specialist environmental support services and expert advice to operational delivery organisations and represents Sellafield Ltd as the senior environmental authority in engagements with regulators, the NDA, industry bodies and the public. The Head of Environmental Management and Standards provides environmental governance and assurance to the SHEQ Director, supporting their executive and board level accountabilities for safe site operation and effective stewardship of environmental risks. The role holder is an advocate for “creating a clean and safe environment for future generations”; and actively drives the Environment pillar of Sustainability.
Set the enterprise-wide strategic approach for environmental safety, ensuring robust, compliant and forward looking arrangements. Own and shape the Sellafield Environmental Policy. Lead and manage specialist SHEQ environmental disciplines, including permitting and controls, technical assessments, off-site environmental (e.g. beach) monitoring, and process and Implementation, ensuring expert capability and technical standards. Direct specialist environmental support and advisory services, through the Head of Core SHEQ Services, ensuring operational delivery organisations receive authoritative technical advice and guidance. Provide enterprise level environmental leadership and oversight, challenging and intervening where necessary to prevent degradation of environmental standards. Act as Process Owner for key environmental domains (e.g. environmental management, waste), including associated Licence Condition arrangements. Maintain continued ISO 14001certification. Own and actively manage corporate‑level environmental risks, ensuring robust mitigation, escalation and clear enterprise visibility. In collaboration with the Head of Regulatory Interface and Nuclear Safety, Lead enterprise‑level environmental regulatory engagement to ensure proportionate and effective interactions with regulators and government bodies. Maintain horizon scanning for environmental management to influence regulation development and ensure SL implementation. Benchmark environmental arrangements and performance against national and international good practice, driving the adoption of emerging standards and insights. Strengthen the organisation’s environmental culture by shaping and embedding ‘fit for context’ environmental practices across the enterprise, ensuring expectations are clearly understood, consistently applied, and reinforced through the SHEQ Lead Team’s collective leadership. Deliver SHEQ improvement objectives and targets, ensuring effective corrective action programmes are identified and implemented based on gaps in...
Data Stewards are responsible for defining, implementing, and managing data governance frameworks, policies, and standards to support ISO/ICTs, and Sellafield Ltd.’s, strategic goals. They ensure the quality and integrity of data by monitoring and managing risk to information assets, resolving any deviations from agreed policy, and identifying opportunities for continuous improvement. In this way, Data Stewards play a key part in promoting a data-driven and data-literate culture throughout ISO/ICT and Sellafield Ltd. Working with stakeholders across the business, they enable a safe, secure, and consistent approach to data policy interpretation and enactment.
Design, implement, and maintain data governance frameworks, including processes, policies, and standards, to enable effective data management in line with relevant regulations and best practices. Understand and apply data governance across the data lifecycle, from acquisition and creation to archival and disposal, in compliance with legal and regulatory requirements. This includes assessing and cleansing enterprise datasets for publication and maintaining a register of them. Monitor, measure and report on data quality to ensure that data is fit for purpose. This includes implementing data quality validation rules, cleansing procedures, and actively correcting flaws that cannot be addressed by automated means. Monitor compliance and manage risk associated with the application of data governance frameworks. This may include analysing the impact if a data standard is breached and advising on risk tolerance. Work with internal and external stakeholders, including subject matter experts across the business, to develop and enforce data governance processes, policies, and standards. Champion data governance learning and training to increase data literacy and educate stakeholders on data management practices, policies, and procedures. Participate in appropriate data governance, assurance and compliance forums as required. This may include, but is not limited to, inputting into regular Data Steward Council meetings and the Enterprise Data Governance Board (EDGB). Continuously identify areas for improvement across data governance frameworks to increase data quality and trustworthiness and ensure clarity and accessibility for all stakeholders. Maintain an up-to-date understanding of the latest trends and best practices in data...
Data Engineers are responsible for the design, development and delivery of data services and solutions in line with ISO/ICT’s and Sellafield Ltd’s strategic goals. This includes building and managing data pipelines, supporting integration into systems and business processes, and ensuring compliance with data governance, assurance, and quality standards. Role-holders will play a key part in enabling datadriven decision-making across Sellafield Ltd and furthering the digital ambition across the business.
Design, develop and continuously improve data pipelines by writing extract, transform, and load (ETL) scripts, and code, and identifying opportunities to maximise speed, scalability, and efficiency. Integrate data from different sources, implementing data flows to connect operational systems, data for analytics, and business intelligence (BI) systems. This may include documenting source-totarget mappings, data profiling, and source system analysis. Support the build of data streaming systems to realise the benefits of real-time data. Build accessible data for analysis by applying data processing techniques, such as cleansing, aggregation, filtering, and enrichment. Design, build and test reusable data solutions and services, such as business intelligence reports. This includes reviewing stakeholder requirements, identifying risks, and presenting insights. Ensure the design of data solutions and services aligns to architectural and Secure by Design principles, policies, and organisational standards. Ensure adherence to appropriate data governance, assurance, compliance, and quality standards. This may include, but is not limited to, participating in the Enterprise Data Governance Board (EDGB), and establishing data quality checks. Monitor the performance of data solutions and services and contribute to the implementation of remedies and preventive measures where appropriate. Continuously identify areas for improvement in data solutions, services, processes, and standards, such as re-engineering manual data flows to enable scaling and repeatable use. Maintain an up-to-date understanding of the latest trends and best practices in data tools, analysis techniques, and data usage, and support their implementation where appropriate. Data Engineer II has line...
The Developing Engineer scheme is designed to develop employees, who have a minimum level 3 qualification, (in an Engineering, Science or Technical subject), into critical roles including Plant, Maintenance and Reliability Engineers. This Expression of Interest will be advertised once per year and will be advertised for 4 weeks, closing on Sunday 17th May. Shortlisting will take place mid May and Informal Discussions will be held June 2026. Successful applicants will commence a 2-year programme, commencing in January 2027, where they will take part in a number of placements across Engineering & Maintenance. They will be provided with a support network. Current base pay and associates allowances (excluding shift pay), will be retained for the duration of the scheme. If the successful candidate was currently in receipt of shift pay, this will cease on commencement of the scheme as this position is a day role. Subject to successful completion of all programme requirements, successful applicants will be confirmed in post to B4B. It is expected that interested applicants who are not already studying towards a level 5/6 qualification, raise a Further and Higher Education request to commence study in the 2026/27 Academic Year. Available via K2. On application, please ensure the required minimum Level 3 qualification in an Engineering, Science or Technical subject is uploaded. Please complete the mandatory questions as part of your application in order to be considered for the role of Developing Engineer within Engineering and Maintenance. Information will be stored for 12-months once received by E&M Capability Support.
At least 2 years’ service with the company / 2 years post–Craft Apprenticeship with SL My Contribution performance rating of at least ‘Meets Expectations’ My Contribution potential rating of potential to progress (if B5 or B4C) Fully competent/fully accomplished in current role A level 3 qualification in engineering, science or technical subject Commitment that if successful the candidate would continue to study towards a level 5/6 qualification in a related subject
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 Microsoft Power Platform 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...
The Platform Engineer III QlikView / PowerBi is accountable for the strategic implementation, ongoing maintenance, and continuous optimisation of our core platforms. This role demands a high level of technical ownership and leadership in collaborating with cross-functional teams to deeply understand and effectively translate user and business requirements into scalable platform solutions. The position involves proactively making informed recommendations based on a comprehensive understanding of system functionality and architecture. It includes identifying and championing opportunities for the adoption of leveraged technologies that streamline processes, enhance system performance, and elevate the end-user experience. This role is critical to the reliable and secure operation of the platform and encompasses responsibility for overseeing licence and entitlement management, leading environment setup and lifecycle maintenance, and administering and optimising the platform gateway and related infrastructure components.
Act as the Subject Matter Expert (SME) for Platform Administration and Environment Management within SL/ISO, for QlikView platform operations, ensuring stability, scalability, and alignment with business intelligence needs. Lead vendor relationship management activities, ensuring strategic alignment, fostering collaboration, and driving continuous improvement through structured engagement, performance reviews, and roadmap planning. Act as the primary point of contact for key suppliers, facilitating regular performance reviews, joint planning sessions, and continuous improvement initiatives aligned with organisational goals. Design, configure, and maintain QlikView environments (Development, Testing, Production), ensuring they are robust, secure, and aligned with organisational standards. Monitor environment performance, usage, and security across platforms such as QlikView; implement improvements and best practices to support the defined strategy and contribute to its ongoing development. Serve as the primary technical liaison with external platform vendors and service providers (e.g. Qlik), ensuring effective delivery and continuous evolution of platform capabilities. Manage supplier performance against agreed SLAs and KPIs, ensuring accountability for service quality, timely issue resolution, and continuous improvement. Coordinate platform-related changes and upgrades with external partners, ensuring alignment with internal governance, change management, and release processes. Identify opportunities for innovation and cost optimization through strategic supplier engagement and by maintaining awareness of vendor roadmaps and emerging technologies. Participate in contract and vendor reviews, providing technical input to procurement and commercial teams to ensure platform services meet both business and technical requirements. Ensure suppliers operate in accordance with Sellafield Ltd.’s compliance and security standards. ...
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. strategic business needs. They serve as Subject Matter Experts for the technical aspects of Microsoft Power Platform 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.
Joining the Operational Security Team offers a unique opportunity to work at the forefront of protecting critical systems and services that people rely on every day in the nuclear industry. This role places you directly in the operational security environment, where your actions have real, immediate impact detecting threats, responding to incidents, and helping maintain the resilience and security of essential infrastructure. It is an excellent opportunity for individuals looking to develop or deepen their cyber security expertise in a practical, hands-on setting. You will gain exposure to real world security events, modern tooling, and evolving threat landscapes, building skills that are highly valued across the industry. Beyond technical development, you will be part of a collaborative and mission driven team, working alongside experienced professionals who are committed to continuous learning and improvement. The environment encourages curiosity, critical thinking, and proactive problem-solving qualities that are essential in today’s cyber security landscape. For those motivated by purpose, challenge, and professional growth, this role offers a chance to make a meaningful contribution while building a rewarding and future proof career.
We are looking for motivated and curious individuals who have a strong interest in cyber security and a desire to work in a high consequence, operational environment. You do not need to be an expert, but you must bring the right mindset, integrity, work ethic and willingness to learn. Ideal candidates will: Demonstrate a genuine interest in cyber security, technology, and emerging threats Be proactive, inquisitive, and willing to challenge and investigate anomalies Remain calm and methodical when working under pressure Have strong analytical and problem-solving skills, with attention to detail Communicate clearly and effectively, both written and verbal Work well as part of a team, contributing to a collaborative and supportive environment Show a strong commitment to nuclear safety, security, and compliance. Some experience in IT, or security is advantageous, but equally important is the right attitude and a willingness to develop. This role would suit individuals looking to transition into cyber security, as well as those seeking to build on existing experience in a more operational and mission-focused setting. If you are interested in applying, please ensure you have informed your line manager, they are willing to release you and that you are currently at the correct substantive grade for this opportunity. In Profession EOI Contact/s: Gordon Fletcher - gordon.fletcher@sellafieldsites.com The informal interviews for this EOI are expected to take place on 19th May 2026. If you choose to apply for this role and your application is shortlisted by...
We are opening an Expression of Interest (EOI) for those interested in starting their journey to become a Team Leader within Engineering & Maintenance Profession. The site approach to identifying and developing Team Leaders includes completing a Strengths Based Assessment and a Leadership Standard Assessment, further details are available on https://sellafield.pagetiger.com/byyeben/1
To be invited to the assessment you must: Be a Sellafield Employee. Discuss your interest with your Line Manager. Be fully competent/fully accomplished in your current role. Have achieved at least meets expectations in your most recent end of year performance rating. Be willing to move to another facility or working pattern in a Team Leader role. Be up to date with your SQEP requirements. Time served craftsperson. Ability to obtain Maintenance ASQEP. Open VN Contact/s: Debbie Eilbeck Please answer the questions in the “Apply now” section to outline as to why you are interested in becoming a Team Leader. We ask that you discuss your interest with your Line Manager before completing the form as they will be asked to approve it before you are invited to an assessment. The dates for the assessments are still to be finalised; you will receive email updates to keep you informed how your application is progressing. As outlined in the process, meeting the standard informs suitability for a Team Leader position, but is not a formal offer of a Team Leader role. Sellafield Ltd are recognised as a Disability Confident Employer (Level 3). Disability Confident employers offer an interview to disabled applicants that meet the minimum criteria for a vacancy. Sellafield Ltd define the minimum criteria as the ‘essential skills’ which are listed on the vacancy notice. Whilst completing your application form, you will be able to indicate if you wish to...
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