Jobs at Assystem

The Senior EC&I Engineer will lead engineering activities in Defence work packages, focusing on developing EC&I and control system designs, ensuring compliance, safety, and cost-effectiveness, while supporting junior engineers and managing stakeholder relations.

Lead the development and deployment of PLM solutions for nuclear infrastructure projects, coordinating teams and stakeholder engagement to ensure effective delivery.

The Senior Safety Case Engineer will lead safety assessments for nuclear facilities, support business development, and mentor junior engineers, ensuring compliance with regulatory standards.

Lead and improve RFI and FCR processes for a major nuclear project: define KPIs, run stakeholder forums, implement PLM tooling (Enovia preferred), drive continuous improvement, and deliver performance reporting and rollout support.

Manage delivery of digital enablement projects (PLM/ALM-focused) for a major nuclear infrastructure programme. Oversee scope, schedule, budget, risks and quality across multiple workstreams, coordinate multidisciplinary teams and suppliers, support PLM/ALM implementation, run requirements workshops, manage testing and QA, ensure governance and configuration management, and drive user adoption and lessons-learned across engineering, asset and programme delivery lifecycles.

Lead business architecture across the Digital & IT function for a major nuclear project: define project concepts, capture and prioritise requirements, develop solution options and business cases, ensure alignment with governance and regulatory standards, support implementation and business adoption, and drive continuous improvement.

Lead development and maintenance of integrated Primavera P6 schedules for complex infrastructure programmes, manage planning teams, provide critical path analysis, schedule risk and recovery planning, support change/delay analysis, coordinate works in live operational environments, and deliver executive reporting and programme governance.

Lead local deployment of the global ERP change roadmap for the UK: stakeholder mapping, impact assessments, sponsorship activation, user network management, training and readiness, go-live support, and post-go-live hypercare to secure adoption.

Lead design authority for technical solutions across cloud, infrastructure, integration, and application platforms. Provide architectural assurance, governance, supplier oversight, cybersecurity alignment, and technical guidance from design through operational handover.

Lead collaboration between two UK nuclear infrastructure programmes to share knowledge, data and best practices. Support implementation of the Collaboration Agreement, manage collaboration activities, KPIs, governance and reporting, capture lessons learned, drive continuous improvement and identify efficiency opportunities to deliver measurable value across both programmes.

Senior HR generalist responsible for partnering with senior leaders to deliver people strategy, lead complex employee relations cases, apply UK employment law, coach leaders, support organisational change and workforce planning, use people data to identify trends and improve people processes, and contribute to policy and process improvements.

The Senior Planner develops and maintains integrated project schedules, supports decision-making through planning data, schedule analysis, and collaborates with various stakeholders.

Lead project controls for large nuclear capital programmes: oversee planning, cost control, risk and change management, integrated schedules, EVM reporting, governance, stakeholder engagement, and mentor multidisciplinary teams to ensure regulatory and contractual compliance.

Lead consents management for complex infrastructure projects, ensuring DCO compliance, risk management, governance, and team leadership. Provide technical advice and monitor compliance risks.

Lead delivery of civil works packages within nuclear infrastructure projects, managing budgets, schedules, risks, and stakeholder engagements while overseeing project execution.

Lead development and delivery of Business Change Management for a major nuclear transformation portfolio. Plan organisational readiness, conduct impact assessments, drive stakeholder engagement and adoption, support training and capability building, manage change saturation risks, track people-related benefits and risks, and integrate change into programme governance alongside PMO and workstream leads.

Lead development and maintenance of integrated rail project programmes using Primavera P6 and MS Project. Monitor progress, perform critical path and earned value analysis, identify risks and recovery strategies, produce reports, support change management, review subcontractor programmes, mentor junior planners, and ensure compliance with client standards and railway governance throughout tender to close-out phases.