Jobs at Assystem

Develops accurate 2D and 3D Civil 3D drawings and models for highway, road, and solar infrastructure projects. Responsibilities include alignments, profiles, cross-sections, corridors, grading, surfaces, earthwork calculations, quantity take-offs, solar site grading, and design updates. Performs quality checks and ensures deliverables meet project specifications, client standards, and applicable codes while supporting engineering and BIM teams.

Supports the delivery of customer-engineered products and systems by executing technical work packages, reviewing designs for manufacturability, developing assembly methods, and approving manufacturing documentation. Troubleshoots supplier and manufacturing issues, performs root cause analysis, develops corrective actions, supports project planning and reporting, and collaborates with supply chain partners. The role requires manufacturing and testing experience across machining, casting, fabrication, or welding, with knowledge of materials and NDE methods.

Lead quality-controlled logistics for a major nuclear infrastructure project, coordinating suppliers, manufacturers, inspection entities, transportation providers, and construction teams. Manage delivery readiness, material traceability, quality plans, inspections, manufacturing documentation, non-conformances, equipment release, schedules, risks, and recovery actions. Produce performance reports and ensure supply-chain activities meet contractual, quality, safety, and programme requirements.

Develops and manages construction programmes for major build projects using ASTA Powerproject. Responsibilities include baseline and recovery scheduling, progress reporting, critical path analysis, risk mitigation, tender planning, change control, and extension-of-time assessments under NEC contracts. The role collaborates with project, commercial, design, and site teams, ensuring programmes meet contractual milestones and reporting obligations.

Controls project documentation by managing numbering, filing, issuance, review, dispatch, recording, archiving, and retrieval. Maintains electronic and hard-copy records, master document registers, and document control systems while supporting information requests from project teams. The role requires strong organization, communication, time management, problem-solving, and document control knowledge. Experience in civil nuclear or manufacturing, configuration management knowledge, and relevant technical education are advantageous. Security Check clearance and UK nationality are required.

Lead stakeholder engagement strategies and programmes for major infrastructure, transport, energy, and nuclear projects. Manage relationships with authorities, regulators, communities, landowners, and clients; oversee consultations, workshops, engagement reporting, stakeholder risk, and consent processes. Advise senior project teams, support bids and business development, transfer engagement best practices into nuclear programmes, and mentor junior consultants.

Support the delivery, commissioning, testing, and operational readiness of critical nuclear mechanical systems. Responsibilities include engineering solutions for mechanical, piping, HVAC, and process systems; construction and installation support; technical issue resolution; contractor and supplier coordination; documentation review; interface management; and compliance with nuclear safety, quality, and regulatory requirements.

Conduct ecological and protected species surveys, assessments, impact evaluations, technical reporting, mitigation planning, and construction monitoring across infrastructure and development projects. Support EIAs, HRAs, Biodiversity Net Gain assessments, licensing, ecological incident investigations, client engagement, site briefings, and multidisciplinary project delivery while developing consultancy expertise.

Leads ecological surveys, assessments, protected-species mitigation, technical reporting, and ecological compliance across infrastructure and development projects. Provides client-facing technical leadership, mentors ecologists, manages resources and budgets, supports tenders and business growth, and advises multidisciplinary teams, regulators, and site personnel. The role also oversees construction ecology, biodiversity net gain, environmental assessments, licensing, incident response, quality assurance, and legislative compliance.

Develop mechanical CAD models, component definitions, integrated layouts, assemblies, and 2D process, instrumentation, and ventilation diagrams for small modular reactors. Collaborate with design engineers, support configuration and data management, conduct peer reviews, and maintain CAD tools, templates, standards, quality processes, and training materials. Provide CAD expertise, mentorship, and training to BIM and junior team members while supporting highly regulated nuclear engineering projects.

Design and develop Turbine Island systems for fusion and modular nuclear projects. Responsibilities include reviewing supplier deliverables, producing and checking engineering documentation, supporting optioneering studies, applying systems engineering principles, integrating plant infrastructure, participating in design reviews, and ensuring safety and quality compliance. The role requires mechanical and structural engineering expertise, CAD and FEA proficiency, technical reporting skills, manufacturing knowledge, and experience across the engineering design cycle.

Develop and verify Turbine Island mechanical designs for fusion and nuclear power infrastructure. Responsibilities include reviewing supplier deliverables, producing design and substantiation reports, supporting optioneering and systems engineering, integrating multidisciplinary designs, participating in design reviews, and ensuring safety and quality compliance. The role requires mechanical and structural engineering expertise, CAD and FEA capability, manufacturing knowledge, technical documentation experience, and familiarity with Eurocode 3 and DNV standards.

Develop integrated layouts, component CAD models, assemblies, P&IDs, and process, instrumentation, and ventilation diagrams for small modular nuclear reactors. Support configuration and data management, conduct peer reviews, maintain CAD tools and standards, and provide training and mentorship to CAD/BIM staff. The role requires collaboration with design engineers and adherence to quality and security requirements.

Develop mechanical CAD models, component definitions, integrated layouts, assemblies, and 2D process, instrumentation, and ventilation diagrams for Small Modular Reactor projects. Maintain CAD standards, templates, quality processes, configuration data, and training materials. Conduct peer reviews and provide CAD expertise, training, and mentorship to BIM and junior staff while collaborating with engineering designers.

Develop and verify Turbine Island mechanical designs for fusion and modular nuclear projects. Responsibilities include reviewing supplier deliverables, producing design and substantiation reports, supporting optioneering, applying systems engineering, integrating plant infrastructure, participating in design reviews, and ensuring safety and quality compliance. The role requires mechanical and structural engineering expertise, CAD proficiency, FEA experience, knowledge of manufacturing processes and standards, and UK security clearance eligibility.

Develop and verify Turbine Island mechanical designs for fusion and modular nuclear projects. Responsibilities include reviewing supplier deliverables, preparing design and substantiation reports, conducting optioneering and engineering calculations, applying systems engineering, integrating plant infrastructure, supporting design reviews, and ensuring safety and quality compliance. The role requires mechanical and structural engineering expertise, CAD proficiency, manufacturing knowledge, and experience with FEA, fatigue analysis, and regulated-industry design cycles.

Develop mechanical CAD models, component definitions, integrated layouts, assemblies, and 2D process, instrumentation, and ventilation diagrams for Small Modular Reactor projects. Maintain CAD standards, templates, quality processes, and data management practices. Conduct peer reviews, support configuration management, and provide CAD training and mentorship to junior staff and the wider CAD/BIM team. The role is hybrid and requires UK SC clearance or eligibility to obtain it.

Develop and verify Turbine Island mechanical designs for fusion and nuclear power projects. Responsibilities include reviewing supplier deliverables, producing design and substantiation reports, supporting optioneering, applying systems engineering, integrating designs into plant infrastructure, participating in design reviews, and ensuring safety and quality compliance. The role requires mechanical and structural engineering expertise, CAD and MathCAD proficiency, manufacturing-process knowledge, and experience with FEA, including nonlinear and fatigue analysis.

Organize and administer the Naval Superintendent’s office, including diary management, correspondence, visitor access, security clearance checks, travel arrangements, document control, committee support, staff inductions, facilities defect reporting, and MoD/Defence information coordination.

Supports project quality assurance and control strategies in a highly regulated nuclear engineering environment. Responsibilities include monitoring quality performance, producing dashboards, reviewing supplier submissions and Lifetime Quality Records, developing quality plans, advising project teams, investigating quality issues, implementing corrective actions, evaluating contractor capability, and supporting project handover. The role also contributes to quality improvement initiatives and acts as a subject matter expert for assigned quality disciplines.