The Highly Active Liquor Evaporation & Storage (HALES) facility receives and concentrates Sellafield’s highly active effluent streams for conversion to solid product in the Waste Vitrification Plant. HALES Technical is a multi-disciplinary team providing support to current and future operations. The team assess the condition and remnant life of HALES assets and develop/implement the washout, decommissioning and contingency strategies for the HAL programme. A vacancy has arisen within the team for a process engineer to support delivery of work packages including, technical assessments, advising plant on appropriate operational and safety parameters, management and development of process modelling tools to inform future strategic decision making, providing technical guidance to projects/studies and directing work carried out by the supply chain including UKNNL. There are no direct line management responsibilities, however the role will provide opportunities to lead and develop other team members including graduates and degree apprentices, as well as close working with HLWP and exposure to the wider HAL programme. The successful candidate will become a member of the HAL CoE and will have the opportunity to become SME for a variety of specific areas of interest including solids transport, heat transfer and hydrogen management (liaising with Hydrogen Working Party & Flammable Gas CoE). In addition to developing technical expertise, the role provides excellent opportunities to raise your profile within Sellafield Ltd and the wider NDA group. Please note, this vacancy is only open to those who are in the Technical profession.
Preparation and delivery of technical assessments in support of planned washouts of Highly Active Storage Tanks (HASTs) and evaporators, and future blending strategies. Specialist assessment work including future cooling water requirements, hydrogen management strategies, solids transport/mobilisation and heat loading/thermal modelling. Specification and management of supply chain task delivery. Support to Operations, Plant & System Engineering and Design in task delivery, information collection, interpretation, analysis and performance reporting. Liaison with Plant Technical Managers and/or Operations in supporting the development of future capabilities and plant/process improvements, attending and presenting to MSC as required. Support investigation and resolution of emergent issues plant issues, attending ODMs and CDMs as required. Attendance at HAL Technical Committee, ensuring appropriate governance and technical assurance processes are followed for the provision of technical support to plant. Experienced technical person with a degree in chemical/process engineering or equivalent with demonstrated delivery of credible technical work at the appropriate grade. Relevant experience working with technical teams. Must be able to communicate well with Supply Chain and Stakeholders. Demonstrating experience of data collection, analysis, interpretation and presentation of information. Writing of technical reports and papers for both technical and non-technical audiences. Knowledge of the Sellafield Ltd business. Ability to apply theoretical technical approaches to practical applications within an operations/engineering environment. Experience working with external stakeholders and regulators. Knowledge of the HALES process and hydrogen management. Profession recognition e.g. Chartered with relevant professional body, or...
The SNM inspections team are responsible for carrying out the Examination, Inspection, Maintenance and Testing of all SNM packages and assets supporting site license conditions requirements within the SNM Strategy and Technical team. Inspections of SNM packages are carried out as evidence to underpin the safe and secure storge of SNM, prior to longer term and final disposal of SNM. In addition, the role requires collaboration with innovation to support the delivery of inspection improvement on to plant. In addition to the SNM package inspection program, the Inspections team deliver the asset inspections program, evaluating the current store and facility conditions, and carry out data analysis to assess storage conditions. Again, this work ties in closely with the SNM innovation team to deliver improvements of asset inspections and data collection and processing. The role is based within Albion square, with the requirements to carryout C2/C3 plant work on the Sellafield Site when required in order to support inspections programs and other technical business needs. The SNM inspections team form an integral part of underpinning the Sellafield mission of Safe and Secure storage of SNM. As part of the inspections team, you will be required to become a Suitably Qualified and Experienced Person (SQEP) against site licence condition 28 by working with a mentor to learn about the requirements. The role requires you to collaborate with the SNM operations teams and the SNM innovation team to support the delivery of inspections improvements on to plant. You will analyse data, assessing package and storage conditions and author technical reports which support the ongoing SNM safe storage case.
Support delivery of the SNM package inspection program by carrying out on plant inspections to comply with SLC28 (Examination, Maintain, Inspect and Test), including becoming SQEP to carry out this role. Deliver technical reports including inspection reports, technical justifications and data analyse to support the underpinning of SNM safe storage. Deliver technical packages of work to support inspection improvement, from proposing to implementing onto plant. It is a fascinating time to join SNM Technical, with preparatory work underway to develop and progress new two new facilities: SPRS Retreatment Plant (SRP), designed to retreat and repack our inventory, and the recently announced Plutonium Immobilisation Plant, which will take the next 30 years to research, mature, and build. This offers unique challenges for our technical teams working within SNM. Successful applicants will enable the progression of these projects and enable existing SNM operations through their delivery of technical support. This will require successful candidates to provide on-plant support in most cases. The SNM Strategy and Technical team works collaboratively with internal and external stakeholders including Major Projects, UKNNL, Universities and international laboratories. Together we work to further mature our understanding of special nuclear materials and the environments that they are stored in. Bachelor’s degree in relevant Science, Technology, Engineering or Maths (STEM) subject, or equivalent working experience Monitored worker or ability to obtain DV clearance or to be prepared to gain DV clearance Ability to drive and deliver technical work packages Strong communication skills...
The IT Operations Security Lead is responsible for the overall Service Integration assurance and governance of our IT Infrastructure and Operations. Providing support for Cyber Security-impacting Incidents (and Major/Critical Incidents); as well as SACM and vulnerability assessment and patch management. Ensuring that our systems, applications, and data are adequately protected against potential threats and vulnerabilities. The IT Operations Security Team will be responsible for identifying, assessing, and driving remediation efforts for vulnerabilities across Sellafield Ltd.’s on-premise and cloud infrastructure, adhering to stringent regulatory requirements and industry best practices. The IT Operations Security Team will also be responsible for Access Management, including the design, implementation and maintenance of identity and access management solutions, enforcement of access policies and conducting regular access reviews. As well as point of approval for privileged activities and privileged Identity Management, and permissions aligning to the change agenda. The IT Operations Security Lead operates within a highly regulated and technically complex environment, where the protection of critical infrastructure, data, and services is paramount. This role is central to ensuring the integration of security governance across IT operations, bridging the gap between infrastructure management and cyber resilience. The operating landscape includes a hybrid mix of on-premise and cloud platforms, demanding a deep understanding of both legacy systems and modern architectures. The role is challenged by the need to maintain operational continuity while responding to evolving cyber threats, managing vulnerabilities, and supporting incident response efforts. It requires close coordination with Cyber Security, Service Management, and Change teams to ensure that security is embedded into every layer of IT service delivery. The lead must also navigate the complexities of identity and access management, ensuring that privileged access is tightly controlled and aligned with organizational change initiatives. Operating under stringent regulatory oversight, the role demands a proactive approach to compliance, audit readiness, and continuous improvement. Balancing strategic oversight with hands-on technical engagement, the IT Operations Security Lead must drive a culture of accountability, resilience, and secure-by-design thinking across the IT estate.
Implement and manage robust security protocols and procedures, identifying potential threats and vulnerabilities across operational processes. Oversee regular vulnerability assessments, ensuring rapid response and ongoing improvement of penetration testing plans and methodologies across systems and applications. Ensure clear understanding within the IT Operations Security Team of the criticality and importance of information and technology resources to enable effective prioritisation of monitoring and remediation. Drive policies and best practices across shadow Operational Technology systems, manage Pyramid access, and ensure alignment with defined processes. Act as the primary liaison for security-related matters, maintaining strong communication with the Cyber Team and cross-sector stakeholders to enhance access to threat intelligence, security analytics, and contextual information. Collaborate closely with IT and Cyber teams to strengthen the organisation’s security posture, support incident response, and contribute to the development and implementation of security policies, including process and governance for certificate and encryption key management. Provide oversight for the Access Management capability, managing team workload and ensuring delivery of privileged access management, including provisioning, deprovisioning, and auditing. In collaboration with CS&IA, ensure VA and ITHC results are analysed, triaged, and risk-scored based on potential business impact. Ensure the organisation’s risk appetite for information security is understood and applied across the area of responsibility, and confirm all suppliers meet patch management requirements tied to SLA/KPI obligations. Analyse and escalate risks from SLA/KPI shortfalls, feeding into CS&IA for assessment and upward reporting through the Governance, Risk, and Compliance structure. ...
SNM Technical Reporting to Hayley Green. SNM technical are seeking innovative and enthused chemists who want to be at the forefront of complex and technical problem solving at Sellafield. It is a fascinating time to join SNM Technical, with preparatory work underway to develop and progress new two new facilities: SRP, designed to retreat and repack our inventory, and the recently announced Plutonium Immobilisation Plant, which will take the next 30 years to research, mature, and build while continuing to store our SNM inventory (PuO2 and Mixed oxide residues) safely and securely. This offers unique scientific challenges for our technical teams working within SNM. The roles will provide technical underpinning and justification to SNM plants and projects (including the new SPRS Retreatment Plant (SRP) as we head towards active commissioning), delivering data analysis and technical assessments. They offer opportunity to solve novel and challenging technical issues within the SNM directorate by directing the scope of SNM’s Pu Science and Package Surveillance programme in the supply chain. Successful applicants will enable the progression of these projects and enable existing SNM operations through their delivery of technical support calling on their chemical and scientific skills. This will require successful candidates to provide on-plant support in most cases. As a highly collaborative role experience and confident communication with internal and external stakeholders including Major Projects, UKNNL, Universities and international laboratories is essential. Together we work to further mature our understanding of special nuclear materials and the environments that they are stored in. This role not only provides technical support for existing SNM operations but will also provide the candidate with the knowledge and skills necessary to face future challenges and help support Sellafield as a world leader in the long-term storage of SNM. These are primarily office-based roles, working off-site, that may also require plant and supply chain/university visits to support the delivery of the SNM mission.
Development of scientific scope to support understanding of Pu storage and SRP underpinning and manage the delivery of that through the supply chain. Production and checking of technical documents including reports, technical justifications and calculations. Ensuring transition of that knowledge into the SNM directorate maximising the benefit to the business. This includes confirming LFE and best practises are shared with the SRP programme and embedded into future operations. Effective stakeholder communication and management. Honours degree in chemistry. An interest in investigating the fundamental underpinning the safe storage and management of PuO2. Demonstrated delivery of technical work. Experience of justifying own ideas/theories and taking them forward. Relevant experience working collaboratively with technical teams. Knowledge of SNM mission and challenges. DV clearance, or the ability to achieve. Experience working within an operations environment. Experience working with external stakeholders and regulators. Ideally holds a chemistry PhD and holds or working towards chartered status with the Royal Society of Chemistry. Open VN Number of Vacancies: 1 Contact/s: Hayley Green The interviews for this vacancy are expected to take place Wednesday 15th April 2026. ASW’s may have the right to apply for internal Sellafield Ltd vacancies. Please note if you are an Agency Supplied Worker you are required to attach evidence of all qualifications obtained to support your application. We require a minimum of A*-C (9-4) GCSE in English Language, Maths & Science/IT or equivalent / higher qualification....
Please note this vacancy is only open to those who are currently Band 4A. Liaison Officers work within Analytical Services (AS), acting as the interface between AS and plants who require analysis. They take the lead on new analytical requests via the Task Charter process and, in doing so, are required to have a technical understanding of how AS operates from an analytical perspective. This is achieved by working closely with the analysing laboratories, requiring daily access to the active area. The role involves resolving issues for both customers and analysing laboratories, ensuring compliance with Conditions for Acceptance (CFAs) and working with the Safety Case team to ensure the safety envelope is maintained during sample preparation and analysis. Liaison Officers are also responsible for the escalation of analytical issues through the daily Plant Operational Control Centre (POCC) meeting. They use specialist software and maintain customer dashboards for regulatory and operational purposes.
To provide daily capability updates in the POCC. To utilise Labware for correct routing of samples within AS. To manage CFA compliance for samples received into AS. To manage the Task Charter process for requested analysis. To build and maintain excellent working relationships through collaboration and stakeholder management using clear, concise, and accurate communications. Experience delivering Technical work scope at the appropriate grade. Technical Qualifications in a scientific discipline, or an appropriate alternative. Competent use of Excel, Word and Outlook. Ability to complete activity calculations, informing sample acceptance criteria. Demonstrable customer focus with excellent communication skills and interpersonal skills. High initiative and attention to detail. Ability to assess customer needs and deliver a timely and safe solution. Demonstrable experience of working in environments which require focus and attention on safety. Be both competent and confident to challenge. Ability to work in an active area, hold SC clearance and monitored workers status. Experience of using the Labware Sample Management System. Knowledge of analytical instrumentation and methods, and their limitations. Experience of working in Analytical Services. Knowledge of sitewide Sellafield operations. Open VN Number of Vacancies: 1 Contact/s: Pamela Foster or Ben Walker Please note this vacancy is only open to those who are currently Band 4A. The interviews for this vacancy are expected to be between 23rd & 25th March 2026. ASW’s may have the right to apply for...
Role Purpose: To provide effective line management to the Engineering Test Team responsible for the Electrical Distribution Network, ensuring all activities are undertaken in accordance with internal processes and procedures, including SLSP 1.06.63.01 ‘Verification, Testing & Commissioning of Electrical Distribution Equipment’ and its supporting arrangements. Authorities: Review, assess, and approve Technical Queries and fault observations. Authorise the use of temporary commissioning aids in line with relevant procedures and controls. Authorise the commencement and cessation of work activities within the defined scope.
The Electrical Distribution Test Team Manager is accountable to the Distribution Network Commissioning Manager for: Leading, coaching and managing the resources of the Electrical Distribution Test Team in support of the Sellafield Ltd (SL) Electrical Distribution Network. Ensuring high standards, deployability and training are all complete and in date. Supporting the implementation of continuous improvement initiatives within the Engineering function. Promoting site standards and expectations regarding safe working behaviours across the Electrical Distribution Test Team. Ensuring all duties are carried out in full compliance with the relevant Engineering Standards and procedures (SLM 1.06.63, SLSP 1.06.63.01, and associated SLFs). Overseeing the handover of project plant and equipment in accordance with functional and handover requirements defined within SL processes and procedures (SLSP 1.06.63.02). Providing configuration management oversight for designated projects and/or equipment. Acting as the interface between Project Delivery and Operations to ensure effective coordination and communication. Delivering training and support to Operations and Engineering AP(e) personnel. Providing technical support and training relating to the testing, commissioning, and operation of the Electrical Distribution Network. Acting as Operations Client for projects that impact the Electrical Distribution Network. Ensuring the Electrical Distribution Test Team Member role is assigned only to individuals who have demonstrated the required qualifications, experience, professional accreditation, and behavioural competencies as defined in MG0147 and MG0206. Deliver the assigned work scope in accordance with the agreed strategy and schedule, ensuring efficiency, quality, and cost-effectiveness. Monitor testing progress and...
The Training Co-ordinator Lead is responsible for supervising training co-ordinators, ensuring efficient and effective service. The Training Co-ordinator Lead has accountability for their direct reports, and through their role offer support, education, coaching, facilitation and leaning for the Training Co-ordination Team. The Training Co-ordinator Lead will support the upskilling and development plans across the capability. Please note, this vacancy is only open to those who are in the Training profession.
Effectively supervise a team of Training Co-ordinators, supporting the Training Delivery Services across the Business. Organising and managing day to day work tasks, including managing work flows and meeting site demand for service, ensuring sufficient staffing levels are available to cover all scope. Create, review and implement local working instructions incorporating any regulatory and company requirements. Coaching and Mentoring of Team Members. Ensure accuracy of metrics and monitoring progress. Ensure all Team Members hold and maintain a demonstrable competence in role to meet regulatory requirements. Where required, in role training is to be provided. Deal with queries and anomalies as raised by stakeholders. Maintain a good contact system with people at a number of levels both inside and outside the organisation. Achieve and maintain customer and stakeholder satisfaction. Provide support as a SME in respect of training compliance issues. Perform self-assessments, Tier 2 &3 audits to ensure standards are adhered to. Oversight of course schedule adherence. Ability to provide leadership and support in a dynamic working environment. Experience of planning and scheduling events or meetings within agreed timescales. Excellent standard of communication skills and the ability to engage all levels within SL external companies. Can provide evidence of being an effective team player with the ability to work with people at different levels. Self-motivated, self-starter and able to work proactively on own initiative. Ability to prioritise own workload, with attention to detail...
The Safe Systems of Work Controller coordinates the work release on behalf of the authorising authority based upon its degree of complexity and risk/categorisation. They are responsible for centrally controlling and maintaining oversight of work activities within the facility, building or plant area, releasing work in line with the integrated schedule.
Promote nuclear, conventional, radiological, environmental and security safety against work activities ensuring standards are upheld. Maintain oversight, co-ordination, and release of authorised centrally controlled work within a facility, building or plant area for the work period, including an understanding of the plant status and integrated plan. Understand and ensure any pre-requisite plant controls are in place for safe and effective delivery. Coordinate and manage isolations, performing independent verification of those placed under an Isolation & Test Certificate. Perform a workface check of high hazard/complex work to ensure work is being co-ordinated in a safe manner, the conditions of the Safe Systems of Work (SSOW) are being complied with. Effectively discharge duties to ensure accountabilities are handed over effectively, confirming plant has been left in an agreed and acceptable condition. Undertake self-assessment and assurance activities to confirm standards for central release/control meet the requirements of Sellafield processes and practices. In addition to the above, role holders are expected to fulfil other duties and tasks that are commensurate with their grade assigned to them by management to ensure efficient operations and the success of the team/organisation. Authorities: The Safe System of Work Controller is authorised to request suspension of any activity which appears unsafe or not in accordance with approved programmes or procedures. The Safe System of Work Controller has the authority to refuse the release of work or pause work if the plant conditions and/or interactions detrimentally impact the safety of...
We are inviting applications for existing Operations Personnel currently at grade B4B or above. Our approach to identifying and developing Team Leaders includes completing a Strengths Based Assessment and a Leadership Standard Assessment, further details are available here: https://sellafield.pagetiger.com/byyeben/1. Current 4B Operations Team Leaders will not be required to undertake the assessment. Applicants who successfully complete the Strengths Based Assessment and a Leadership Standard Assessment will also be required to undertake a Behavioural Assessment prior to appointment. Current 4B Operations Team Leaders will be required to undertake the Behavioural Assessment only. To be invited to assessment you must meet the following criteria; Be a Sellafield Ltd Employee currently within the Operations Profession with 2 years’ service at your current pay grade. 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 and/or working pattern in a Team Leader role. Have experience in an Operations/Manufacturing role. Be willing to undertake DAP/ASEQP appointment(s) as required.
Attend/lead work planning meetings and liaise with Integrated Work Management (IWM) to understand work priorities. Plan, organize and supervise work; ensuring fit for purpose risk assessments, working instructions and other documents required for safe work execution. Ensure sufficient Suitably Qualified and Experienced Personnel (SQEP) are available to meet and Minimum/Optimum Safety Manning Levels (MSML). Where gaps are present, escalate appropriately. Escalate resource deficiencies where insufficient resource is available to meet Operational manning levels / deliver critical work scope. Authorisation and release of work as Authorizing Authority (AA). Oversee the activities of team members to ensure that work is carried out as required by Company standards, procedures, instructions, and other requirements. Coach and mentor team members and colleagues to assist in knowledge transfer and enhancement of the profession’s overall capability. Manage the team in accordance with company HR processes and procedures; timekeeping, sickness absence, leave, personnel records, etc. Support the development and implementation of improvement programmes. Act as a Subject Matter Expert (SME); provide authoritative nuclear safety advice on behalf of the Duty Holder. Investigate incidents and events (Basic Cause and Root Cause investigations). Participate/Facilitate formal Conservative and Operational Decision Making (CDM/ODM). In addition to the above role holders are expected to fulfil other duties and tasks that are commensurate with their grade assigned to them by management to ensure efficient operations and the success of the team/organisation. Open VN Number of Vacancies: 1 Contact/s: Robert...
The Low Active Effluent Management Group (LAEMG) Strategy and Technical Team within Spent Fuel and Effluent Management (SF&EM) are offering an exciting opportunity to move into a new role. Applications are welcomed from individuals currently within the technical profession with relevant experience. The LAEMG Plant Facing Technical Team provide technical support to a wide variety of facilities including the Enhanced Actinide Removal Plant (EARP), Solvent Treatment Plant (STP), Segregated Effluent Treatment Plant (SETP), Salt Evaporator and Medium Active Storage (SEMAS) and Waste Packaging and Encapsulation Plant (WPEP). The support provided to the facilities is broad with opportunities to get involved in underpinning changes to operations, conducting technical investigations and assessing plant performance. It is an interesting time to join LAEMG Technical with work underway to redefine the operational philosophy of the facilities in the new era of post reprocessing. The team provide technical underpinning to the continued operation of the LAEMG facilities. Opportunities also exist to provide technical support to the delivery of a range of studies as well as providing underpinning assessments for Post Operational Clean Out (POCO) and Initial Decommissioning (ID) of the LAEMG facilities. Successful applicants will have the opportunity to solve novel and challenging technical issues within the SF&EM directorate and be at the forefront of defining and implementing new approaches to effluent management. This role not only provides technical support for LAEMG but will also provide the candidate with a broad understanding of the Sellafield site through engagement with donor facilities. A key requirement of the role is collaboration not only with Operations but many other disciplines including Environmental, Engineering and Safety Case. The role is primarily based in Albion Square but with expected regular travel to Sellafield Site and other West Cumbria offices.
Provide technical support to ensure the safe and optimised/effective operation of the LAEMG facilities. Gathering and interpreting plant data. Support investigation and resolution of emergent issues within the LAEMG facilities. Support the preparation for and implementation of POCO and ID of the LAEMG facilities. Provide technical support to LAEMG donor facilities in the production of relevant technical and best available technique (BAT) assessments to ensure process compatibility. Production and checking of technical documentation including reports, justifications and calculations. Effective stakeholder communication and management. Support identification and delivery of plant and process improvements. Developing plant trials and supporting implementation of changes on plant. Demonstrated delivery of work autonomously or leading on packages of technical work. Relevant STEM degree level qualification or equivalent years’ experience in a technical role. Effective communication skills and experience engaging with a range of stakeholders. Experience of data collection, analysis, interpretation and presentation of information. Experience of technical paper writing for both technical and non-technical audiences and approval through relevant governance. SC clearance or the ability to achieve it. Knowledge of LAEMG mission. Knowledge of effluent management processes. Experience working within an operations environment. Experience working with external stakeholders. Member of relevant professional body. Please note you must be within the Technical Profession to apply for this role. Open VN Number of Vacancies: 1 Contact/s: Kimberley Murphy The interviews for this vacancy are expected...
Fill in the form that pops out with your email address and desired contact frequency then click the 'Subscribe' button on the form.
You will have the choice to opt out of the alert in the email confirmation.
