Jobs at Assystem

Lead highways consenting for major London infrastructure, focusing on HS2 activities. Coordinate Schedule 4 and 33 approvals, liaise with TfL, boroughs, National Highways and utilities, manage submissions, trackers and compliance, review traffic management, identify and mitigate consenting risks, and support condition discharge, audits and assurance throughout design and delivery.

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.

Plan and execute risk‑based IMS audits for a nuclear major project, assess effectiveness of IMS arrangements, produce clear audit reports, verify action closure, identify trends and systemic weaknesses, support certification and continual improvement while maintaining auditor independence.

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.

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.

The Senior Planner will develop and manage construction programmes, monitor progress, conduct critical path analysis, and ensure compliance with NEC contracts on major projects.

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.

Plan and execute risk-based Integrated Management System (IMS) audits for a major nuclear project, produce clear audit reports, verify corrective action closure, identify trends and systemic weaknesses, support external certification and continual IMS improvement, and engage stakeholders while maintaining auditor independence.

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.

Lead company-wide information management (IM) delivery and capability building, manage CDE/PIM, coordinate federated 3D models and clash detection, ensure compliance with ISO19650, EIR/BEP, security and data retention requirements, support bids and legal/commercial teams, and enable efficient, auditable information workflows across regulated nuclear projects.

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

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.