Jobs at Assystem

Leads railway bridge design and technical reviews, conducting structural analysis, validation, compliance checks, and quality assurance. Prepares engineering documentation, resolves complex technical issues, coordinates with stakeholders, manages design-phase resources and timelines, and mentors junior engineers. Requires extensive civil or structural engineering experience, specialized railway bridge expertise, and proficiency with structural analysis and CAD tools.

Support the HS2 project by producing environmental and ecological maps, managing and analyzing spatial datasets, mapping habitats and environmental constraints, and supporting ecological assessments, EIA, HRA, and Biodiversity Net Gain activities. The role also involves maintaining GIS standards, preparing technical report outputs, and collaborating with ecologists, site teams, and multidisciplinary stakeholders.

Lead planning and consenting strategy for major UK defence and nuclear infrastructure programmes. Advise on town planning, environmental permitting, marine licensing, statutory consents, regulatory approvals, and Environmental Impact Assessment strategy. Manage regulators, planning authorities, government teams, and statutory consultees; assure partner deliverables; oversee consultation, appeals, and consenting risks; and provide strategic input to programme governance, reporting, investment, cost, schedule, and delivery decisions.

Designs electrical, control, and instrumentation systems for nuclear decommissioning and infrastructure projects. Produces engineering work packages, including specifications, drawings, analyses, verifications, and assessments, while meeting legal, functional, schedule, cost, and quality requirements. Requires experience with building electrical services, CDM Regulations, space management, cable routing, and cable management. The role requires UK nationality or approved dual-national status and active Security Check clearance.

Leads electrical, control, and instrumentation engineering teams on complex nuclear, defence, infrastructure, and new-build projects. Responsibilities include technical leadership, project planning, design reviews, client liaison, budget and schedule alignment, compliance with health, safety, and environmental standards, and team mentoring. The role requires extensive EC&I design and management experience across regulated industries, with expertise in areas such as control systems, radiometrics, or functional safety.

Senior EC&I Engineer responsible for delivering electrical, control, and instrumentation design work for nuclear decommissioning projects. Duties include supporting site-based project delivery, resolving technical queries and fault observations, maintaining design standards and schedules, liaising with stakeholders and other disciplines, participating in design and model reviews, and supporting the Lead Engineer. Requires nuclear site experience, design delivery expertise, familiarity with Sellafield practices and systems, and relevant engineering qualifications.

Designs electrical, control and instrumentation engineering solutions for nuclear infrastructure projects. Responsibilities include supporting engineering managers, producing design work packages covering specifications, drawings, analyses and verification, and ensuring legal, functional, time, cost and quality requirements are met. The role requires building electrical services design, CDM Regulations knowledge, space management, cable routing and cable management expertise. It is based in Warrington with hybrid working and requires eligibility for UK security clearance.

Lead multidisciplinary engineering teams through feasibility, requirements definition, technology readiness assessment, and appraise-and-select delivery. Manage schedules, costs, estimates, design deliverables, resources, and stakeholder interfaces. Oversee safety case development, HAZOP participation, safety assessments, engineering substantiation, and compliance with regulated-industry standards. The role requires strong engineering design experience, technical leadership, professional judgment in quality-assured environments, and knowledge of relevant UK safety and nuclear regulations.

Designs and delivers electrical, control, and instrumentation engineering work packages for regulated nuclear infrastructure projects. Responsibilities include producing specifications, drawings, calculations, analyses, assessments, and verification documentation; ensuring compliance with legal, regulatory, functional, and performance requirements; managing cable routing and space; and collaborating with multidisciplinary teams. The role requires experience in CE&I project delivery, building electrical services, CDM and IET Wiring Regulations, with nuclear safety and radiometric systems experience desirable.

Design electrical, control, instrumentation, and security systems for nuclear engineering and decommissioning projects. Interface with integrated design, facility, and project teams throughout project delivery. Responsibilities include building electrical services, lighting, small power, instrumentation, space management, and cable routing. The role requires AutoCAD proficiency, knowledge of CDM and IET wiring regulations, and collaboration across multidisciplinary teams. Radiometric systems, BS 61508 compliance, and Revit experience are desirable. Hybrid working is available, subject to UK security clearance criteria.

Develops and manages requirements, system architectures, interfaces, and functional models for complex defence systems in highly regulated industries. The role uses requirements management and Model-Based Systems Engineering tools, including DOORS and Capella, and requires collaboration across mechanical, electrical, and process systems. Candidates need engineering or STEM education, systems engineering expertise, and eligibility for at least UK SC clearance as a sole UK national.

Provides technical accountability for mechanical and ventilation engineering in regulated, safety-critical nuclear projects. Leads governance, assurance, verification, technical decision-making, risk management, multidisciplinary coordination, regulatory engagement, and lifecycle delivery from concept through commissioning and handover. Requires expertise in high-integrity piping, seismic design, safety cases, machinery compliance, UKCA marking, deviations, non-conformances, and nuclear engineering standards.

Deliver electrical, control, and instrumentation engineering design packages, including specifications, drawings, calculations, assessments, and verification documentation. Ensure designs meet legal, regulatory, functional, performance, budget, schedule, and quality requirements. Collaborate with multidisciplinary teams to produce safe, compliant, practical, and buildable solutions. The role requires CE&I project delivery experience, electrical building services design, CDM and IET Wiring Regulations expertise, cable routing and management experience, and eligibility for UK security clearance.

Supports project delivery by identifying, assessing, and managing risks and opportunities. Develops risk-based schedules, performs quantitative schedule risk analysis, facilitates risk reviews, maintains risk registers, assesses schedule uncertainty, produces risk reports, and supports mitigation and continuous improvement. Works closely with planners, project controls, delivery teams, contractors, and stakeholders in complex, regulated infrastructure environments.

Develop and maintain engineering management arrangements, policies, standards, guidance, technical assurance frameworks, design acceptance procedures, configuration controls, and change-control processes. Support design authority responsibilities, engineering substantiation, safety compliance, governance, and continuous improvement within a highly regulated nuclear environment. Collaborate with engineering and assurance stakeholders to translate technical and regulatory requirements into practical guidance.

Coordinates classroom and virtual training, inductions, early careers activities, learner communications, suppliers, records, evaluations, purchase orders, and L&D project plans. Maintains accurate information and processes, responds to policy queries, tracks actions, and identifies improvements. Works with People, Technical Governance, Quality, and HSE teams while handling confidential information and supporting training delivery.

Coordinates training, induction, and early-career activities for the Learning and Development team. Responsibilities include scheduling training, communicating with learners and providers, maintaining secure records, managing suppliers and purchase orders, tracking project actions, improving processes, updating SharePoint information, and responding to policy queries. The role requires strong organization, communication, record-keeping, Excel and administrative skills, plus occasional travel to Bolton.

Coordinates training, induction, and early careers activities for the Learning & Development team. Responsibilities include scheduling learning sessions, communicating with learners and suppliers, maintaining training records, managing purchase orders, tracking project plans, supporting skills reviews, improving processes, and maintaining SharePoint information. The role also handles queries, reporting, confidential data, and cross-functional coordination.

Provides electrical engineering expertise across the lifecycle of SMR nuclear power plant systems. Responsibilities include translating requirements into validated designs, managing interfaces in IBM DOORS, defining verification and testing activities, performing electrical analysis and simulation, mitigating risks, supporting technical reviews, and collaborating with engineering teams, regulators, customers, and suppliers.

Provides electrical engineering expertise across the lifecycle of an SMR nuclear power plant. Responsibilities include translating requirements into validated electrical system designs, managing requirements and interfaces in IBM DOORS, defining verification activities, modelling and testing designs, mitigating risks, supporting technical reviews, and collaborating with engineering teams, regulators, customers, and suppliers. The role requires an electrical engineering degree, regulated-industry experience, UK travel, and BPSS and SC clearance.