Sizewell C is entering an exciting phase of growth as we mature into an independent organisation and continue building one of the UK’s largest and most important energy projects. We are now recruiting the below position.

Category Manager 

Location: Hybrid, London, 25 Copthall Avenue  (minimum 3 days per week onsite). 

Employment type: Permanent full-time. 

Salary: 58,000-66,000 per annum -dependent on experience 

Benefits: 

5% CIP bonus 
28 days holiday, plus bank holidays 
Contributory pension of up to 7.5% employee/15% employer 
Ongoing professional development 
Other lifestyle benefits 

Closing date: 30th October 2026

Job Purpose:

The ‘Category Manager – HR’ is responsible for identifying and delivering against agreed procurement strategies, predominantly within the Human Resources spend category.  Solid experience and proficiency in developing categories, data analysis, tendering, negotiations, contract management and stakeholder engagement to a senior level within an organisation, whilst also providing guidance and direction to those Procurement colleagues working within the Category.

Nature and Scope:

The Category Manager is an important role within the SZC Supply Chain Group with accountability to the Head of Procurement Practice & Indirects for the successful delivery of commercially robust contracts for SZC. As such the Category Manager is empowered to make decisions around the Principle Accountability areas, under the overall guidance of the Head of Procurement Practice & Indirects and in accordance with delegated levels of authority.

The Category Manager will be the primary point of commercial contact on the category(s) assigned to them and will be required to work closely and pro-actively with the other stakeholders at all levels and across all the teams within SZC to ensure that the requirements of the departments are met through the successful delivery of best value commercially robust contracts. 

The Category Manager is responsible and accountable for:

• The day to day management and support of Assistant Category Manager(s) and Category Assistant(s) within their Category, enabling  growth within their roles.
• Developing, implementing and delivering against long term category strategies which have been agreed with the business whilst ensuring delivery against SZC values and strategy.
• Developing and leading on complex tender activities, from inception through to contract execution and implementation, through full end to end tender processes.
• Consistently delivering against key Procurement metrics, such as cost savings, SLAs and reporting requirements as      required.
• Being a trusted advisor to the business, ensuring compliance with SZC governance, regulation and best practice            Procurement at all times.
• Responsible for the delivery of contracts in accordance with SZC governance requirements to meet SZC Project and business objectives.
• Professional development of self and people within the team.

Principal Accountabilities:

The Category Manager is responsible for the end to end Procurement activities in relation to the Human Resources category.  Whilst HR will be the main category, the Category Manager will also be responsible for other smaller categories within the Indirects space, which may include, but are not limited to one or more of the following: Marketing, PR, Comms’.

Responsible for analysing spend data, market data and trends and innovation, the Category Manager will be responsible for developing multi-year Category Strategy(s) in conjunction with the business stakeholders whilst also operating and advising the business and direct reports at a tactical and operational level on best practice Procurement and SZC governance.

The Category Manager will be proficient and experienced in leading complex tender activities, ensuring the tender outputs meet the business needs, through the delivery of robust comprehensive tenders, which are evaluated, negotiated and contracted whilst ensuring comprehensive contract management techniques are included within the resultant contract.

Growth within the team is an important consideration for SZC, therefore the Category Manager will be responsible for ensuring those within their ‘Category’ from Procurement are given the opportunity to grow in their role and to gain experience and knowledge in best practice Procurement, such that they can progress within the department should they want to.

Other responsibilities of the Category Manager include:

ITT preparation, evaluation and negotiation, ensuring that selected tenders are compliant with the scope and commercial requirements

competing within frameworks and negotiating and contracting the placement of Statements of Works/Work Orders

direct negotiations

cross functional collaboration

stakeholder engagement and management at all levels within the organisation

managing Supplier / Contractor commercial relationships and engagement

implementing progress and dashboard reporting, preparation of contract specific progress reports and reporting

maintaining procurement and contract commercial files and recordsinterfacing with Legal team on conditions of contract issues and non-di