Assistant Commercial Manager (Supply Chain, Improvement & Assurance)

Originally named, Great British Nuclear,Great British Energy - Nuclear is an arm’s length body of the Department for Energy Security and Net Zero, dedicated to supporting the development and deployment of new nuclear technologies in Great Britain.

We play a crucial role in advancing nuclear new build, ensuring the UK’s energy security and achieving net-zero carbon emissions. Great British Energy - Nuclear focuses on fostering innovation, facilitating investment, and coordinating efforts across the nuclear industry to build a resilient and sustainable energy future.

The Assistant Commercial Manager for Supply Chain, Improvement & Assurance will be accountable to the Commercial Lead and Commercial Manager for supporting the delivery of commercial assurance, supply chain engagement, supply chain qualification and continuous improvement activity across Great British Energy – Nuclear’s commercial function.

The role will support the assurance of commercial transactions, helping to ensure that procurement and contract management activity is compliant with relevant legislation, government controls, GBE-N Commercial policies and internal governance requirements. The Assistant Commercial Manager will work with commercial colleagues and cross-functional stakeholders to provide scrutiny, guidance and coordination across commercial strategies, business cases, procurement activity, supplier engagement, process improvement and reporting.

Accountabilities & Responsibilities:

Commercial Improvement and Policy

• Support the analysis and improvement of commercial processes, ensuring they are aligned with GBE-N’s strategic objectives, operational requirements and governance expectations.


• Support the operation of commercial governance arrangements, including preparation for Procurement Board and other approval forums. This may include coordinating papers, tracking actions, maintaining decision logs, supporting forward planning and ensuring commercial activity progresses through the appropriate governance routes.


• Support the development, update and maintenance of commercial guidance, templates, process maps and assurance documentation, including supporting the management of the commercial policy library.

Supply Chain Engagement and Qualification

• Support the development and delivery of supply chain engagement and qualification activity. This may include supporting market engagement planning, supplier communications, supplier questionnaires, assessment approaches and analysis of supplier capability.


• Assist with supply market analysis to understand key supplier markets, industry capability, capacity, risks and opportunities. This will help inform commercial strategies, assurance activity and wider supply chain planning.

Stakeholder Management and Communications

• Support the development of stakeholder management and communications plans to ensure key stakeholders are informed, engaged and clear on assurance, supply chain and improvement activity.


• Expected to communicate clearly and professionally, providing updates, preparing briefing materials and supporting presentations to internal stakeholders.

Knowledge, Skills and Experience required:

• Strong understanding of supply chain management principles, practices, and industry standards, particularly within the nuclear or energy sectors.


• Proven ability to analyse complex data, identify trends, and develop actionable insights that support performance improvement.


• Experience of senior stakeholder engagement within a complex delivery environment, building productive working relationships and the ability to influence, change and impact decisions with both internal and external stakeholders.


• Problem-solving skills, with a focus on identifying issues and implementing innovative solutions to overcome and drive continuous improvement.


• Ability to implement policy across a function and to upskill others.


• Experience in leading improvement initiatives and managing projects, with a demonstrated ability to drive change.


• Familiarity with commercial management software and tools, along with advanced skills in data analysis tools (e.g., Microsoft Excel, BI tools).

Qualifications

• Degree-level qualification, preferably in a relevant subject or equivalent level of knowledge and experience. (Desirable)

Please complete our short application form to apply for this role. If shortlisted, one of our Talent Attraction Leads will be in touch to discuss the position in more detail. Good luck with your application!

At GBE-N, we are committed to building an inclusive workplace where everyone can thrive. We value diversity and encourage applications from all backgrounds, including underrepresented groups. If you require any support or adjustments to help you with your application, please contact us at [email protected], and we will be happy to provide assistance.