Senior Decommissioning Manager
Millbank Holdings
Location: Culham, Oxfordshire (Hybrid – 2–3 days per week on site)
Start Date: 29th June 2026 or as soon as possible thereafter
Duration: 12 Months +
Hours: 40 hours per week, Monday to Friday
Rate: £60.00 per hour (Umbrella, Inside IR35)
Overview
We are seeking an experienced Senior Decommissioning Manager to support a major nuclear decommissioning programme entering a critical strategic delivery phase. The programme focus has evolved from innovation-led decommissioning towards near-term cost efficiencies, phased delivery planning, and strategic decision-making aligned with future funding constraints and regulatory requirements.
This role will provide senior-level decommissioning expertise to support programme leadership in shaping and validating delivery strategy, commercial approaches, risk management, and programme integration activities across a complex engineering environment.
The successful candidate will bring extensive experience from large-scale decommissioning or highly regulated infrastructure programmes, with the ability to challenge assumptions, influence strategic decisions, and help define practical, deliverable solutions.
Key Responsibilities
- Support the Engineering Integration Manager with interrogation and interpretation of the emerging programme strategy.
- Review and critique programme delivery strategy, risks, assumptions, and dependencies using industry expertise and lessons learned from previous decommissioning programmes.
- Provide guidance on delivery strategy, programme phasing, and prioritisation of projects.
- Support development of the commercial strategy for future decommissioning activities, ensuring suitable delivery models are selected.
- Evaluate and advise on critical strategic decisions required to deliver programme benefits.
- Provide expert input to resolve delivery obstacles and identify innovative solutions to programme challenges.
- Develop strategic delivery artefacts and supporting documentation alongside programme leadership.
- Advise on commercial structures, contract packaging, and Tier II contract strategies.
- Provide guidance on programme governance and organisational structures.
- Promote strong SHE culture and ensure alignment with nuclear industry best practices and regulatory expectations.
- Engage with wider industry networks and parent organisations to gather lessons learned and best practice insights.
- Conduct ongoing reviews and assessments of the programme delivery strategy.
- Establish auditable decision-making frameworks.
- Provide strategic assurance on programme phasing, prioritisation, and delivery planning.
- Support development of delivery and commercial strategies.
- Advise on delivery model selection and contract packaging.
- Ensure commercial activities are integrated into programme schedules.
- Provide expert advice to overcome strategic and operational delivery challenges.
- Identify and recommend risk mitigation strategies and innovative solutions.
- Facilitate access to industry best practices and lessons learned.
- Support production of strategic delivery artefacts and programme communications.
- Ensure compliance with SHE standards and regulatory requirements.
- Provide guidance and support to wider project teams where required.
- Degree in Engineering, Project Management, Construction Management, or equivalent experience.
- Professional project management qualification such as PMP, APM, or equivalent.
- Extensive experience within large-scale decommissioning, nuclear, infrastructure, or highly regulated engineering programmes.
- Proven experience leading strategic planning activities for complex engineering projects.
- Strong understanding of delivery model assessments and commercial strategy development.
- Experience managing projects delivered under CDM regulations.
- Strong financial and commercial management experience including budgets, forecasting, and earned value management.
- Experience managing complex technical and programme risks.
- Strong knowledge of regulatory and compliance requirements within decommissioning environments.
- Experience working with project controls and information management systems.
- Experience leading procurement campaigns and market engagement activities.
- Experience preparing tender and contract documentation.
- Knowledge of industry-standard decommissioning information management systems.
- Strong commercial awareness and strategic thinking capability.
- Excellent analytical and problem-solving skills.
- Ability to simplify complex technical and strategic issues into practical outcomes.
- Strong stakeholder management and communication skills.
- High attention to detail.
- Excellent written and verbal communication skills.
- Collaborative and team-oriented approach.
Millbank Holdings Ltd is an equal opportunities employer committed to creating an inclusive and diverse workforce. We welcome applications from all suitably qualified individuals, regardless of background, and encourage candidates from underrepresented groups to apply.
We are proud to be a member of the Disability Confident Scheme, and we are committed to ensuring an accessible and supportive recruitment process for everyone. If you require any adjustments at any stage, please let us know and we’ll do our best to accommodate.
Millbank operates as both an Employment Agency and an Employment Business.
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