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Senior Commerical Manager (Sizewell C)

Job Category:  Other
Contract Partner Company:  Jobs Service
Employing Company:  Sizewell C

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs

 

Senior Commercial Manager - Civil Works Programme
Sizewell C
 

Contract Type:  Permanent - Office-based with hybrid flexibility (typically 3 days p/w in the office) 
Working Pattern: Full time
Closing Date: Thursday 3rd September 2026
 

Location: London
Salary: Circa £82,000 depending on experience
Bonus: 5% annual incentive
Pension: Up to 7.5% employee contribution / 15% employer contribution
Holiday: 28 days plus bank holidays
Benefits: Flexible benefits


About the Role


Reporting To: Commercial Lead – Civil Works, As Senior Commercial Manager you will support the effective implementation of the Programme Alliance Agreement (PAA) - a multi billion pound, multi‑party alliancing contract - across Sizewell C (SZC) processes, systems and teams.
 

The role will focus on assisting in the identification and resolution of interface gaps between PAA contractual requirements and SZC functional processes, providing expert advice to Commercial teams and functions, developing contract management guidance, and training, and supporting the use and development of the Unifier contract administration tool.
 

This role suits a big‑picture thinker—someone who can evaluate options, risks and consequences to shape effective solutions. Working proactively with functions such as design, project controls (cost, programme, risk), delivery, legal, land, consents, environment and sustainability, site operations, health and safety, quality and document control, the Senior Commercial Manager brings clarity, alignment and confident decision‑making to high‑pressure, fast‑moving environments. The role ensures robust governance, identifies gaps in contracts, policies and procedures, and strengthens commercial controls across the programme.
 

Key Responsibilities


The scope of this role evolves and is guided by the challenges faced by SZC and their contractor teams. Current key responsibilities include assisting the Commercial Lead in the following areas:
 

PAA Contract Management:


Acting as a subject matter expert on the  PAA.
Identifying and resolving gaps between contractual requirements and SZC processes.
Providing practical commercial advice to contractor teams and functions.
Supporting consistent contract administration and governance across the programme.
Promoting dispute avoidance through proactive issue resolution.
 

Training, Guidance and Capability


Developing training materials, guidance and templates for the use of the PAA.
Producing and supporting roll-out of the Contract Management Manual.
Delivering training and coaching to commercial and functional teams.
Embedding consistent contract management standards across the SZC Civils programme.
 

Systems and Process Improvement 


Supporting the development of the Unifier contract administration platform .
Ensuring commercial processes, controls and workflows are embedded effectively.
Identifying opportunities to improve efficiency, transparency and data quality.
 

Post-Award Contract Management


Driving supplier performance and commercial governance.
Mitigating risks and resolve commercial issues.
Supporting proactive dispute avoidance.
Providing strategic oversight across the relevant portfolio.
 

What the candidate will bring


Senior-level experience in commercial or supply chain roles on major infrastructure, energy, nuclear or complex regulated projects.
Strong procurement and post-contract management experience.
Good understanding of dispute avoidance and issue resolution.
Strong knowledge of Alliance, NEC and/or FIDIC contracts.
Experience with alliance or target cost contracts would be advantageous.
Excellent stakeholder management, negotiation and communication skills.
Ability to translate complex contractual requirements into practical guidance and processes.
 

Education and Professional qualifications:


Bachelor’s degree in quantity surveying, civil engineering, law, construction or project management or equivalent.
Professional qualifications such as MCIPS, MRICS, MCIArb, MAPM, MCIOB or equivalent are preferred.


Apply Now

 

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.

The Sizewell C Jobs Service supports local people into exciting, long-term careers across our Project.#SZCJobs

 

Senior Commercial Manager - Civil Works Programme
Sizewell C
 

Contract Type:  Permanent - Office-based with hybrid flexibility (typically 3 days p/w in the office) 
Working Pattern: Full time
Closing Date: Thursday 3rd September 2026
 

Location: London
Salary: Circa £82,000 depending on experience
Bonus: 5% annual incentive
Pension: Up to 7.5% employee contribution / 15% employer contribution
Holiday: 28 days plus bank holidays
Benefits: Flexible benefits


About the Role


Reporting To: Commercial Lead – Civil Works, As Senior Commercial Manager you will support the effective implementation of the Programme Alliance Agreement (PAA) - a multi billion pound, multi‑party alliancing contract - across Sizewell C (SZC) processes, systems and teams.
 

The role will focus on assisting in the identification and resolution of interface gaps between PAA contractual requirements and SZC functional processes, providing expert advice to Commercial teams and functions, developing contract management guidance, and training, and supporting the use and development of the Unifier contract administration tool.
 

This role suits a big‑picture thinker—someone who can evaluate options, risks and consequences to shape effective solutions. Working proactively with functions such as design, project controls (cost, programme, risk), delivery, legal, land, consents, environment and sustainability, site operations, health and safety, quality and document control, the Senior Commercial Manager brings clarity, alignment and confident decision‑making to high‑pressure, fast‑moving environments. The role ensures robust governance, identifies gaps in contracts, policies and procedures, and strengthens commercial controls across the programme.
 

Key Responsibilities


The scope of this role evolves and is guided by the challenges faced by SZC and their contractor teams. Current key responsibilities include assisting the Commercial Lead in the following areas:
 

PAA Contract Management:


Acting as a subject matter expert on the  PAA.
Identifying and resolving gaps between contractual requirements and SZC processes.
Providing practical commercial advice to contractor teams and functions.
Supporting consistent contract administration and governance across the programme.
Promoting dispute avoidance through proactive issue resolution.
 

Training, Guidance and Capability


Developing training materials, guidance and templates for the use of the PAA.
Producing and supporting roll-out of the Contract Management Manual.
Delivering training and coaching to commercial and functional teams.
Embedding consistent contract management standards across the SZC Civils programme.
 

Systems and Process Improvement 


Supporting the development of the Unifier contract administration platform .
Ensuring commercial processes, controls and workflows are embedded effectively.
Identifying opportunities to improve efficiency, transparency and data quality.
 

Post-Award Contract Management


Driving supplier performance and commercial governance.
Mitigating risks and resolve commercial issues.
Supporting proactive dispute avoidance.
Providing strategic oversight across the relevant portfolio.
 

What the candidate will bring


Senior-level experience in commercial or supply chain roles on major infrastructure, energy, nuclear or complex regulated projects.
Strong procurement and post-contract management experience.
Good understanding of dispute avoidance and issue resolution.
Strong knowledge of Alliance, NEC and/or FIDIC contracts.
Experience with alliance or target cost contracts would be advantageous.
Excellent stakeholder management, negotiation and communication skills.
Ability to translate complex contractual requirements into practical guidance and processes.
 

Education and Professional qualifications:


Bachelor’s degree in quantity surveying, civil engineering, law, construction or project management or equivalent.
Professional qualifications such as MCIPS, MRICS, MCIArb, MAPM, MCIOB or equivalent are preferred.


Apply Now

 

For this role you must have evidence of right to work in the UK. As a project, we do not discriminate on the grounds of age, gender, race, colour, religion, disability or sexual orientation, and we welcome applications from all sections of the community.

Why Join Us?

For more than 60 years, nuclear power stations in the UK have been quietly keeping Britain fuelled with massive amounts of home-grown energy.

Our teams up and down the country are proudly continuing to serve the nation – but they also have an eye on the future.

EDF is leading the UK's nuclear renaissance with the construction of a new nuclear power station at Hinkley Point C and plans for a new power station at Sizewell C in Suffolk.

Nuclear power is the most reliable, low-carbon energy source currently available to the UK. EDF is playing a key role in the development of nuclear sites, while Hinkley Point C will provide low-carbon electricity to meet 7% of the UK demand. The project is already making a positive impact on the local and national economy as well as boosting skills and education.

We’re not just building new nuclear power stations. We’re developing careers, upskilling generations and creating thousands of employment and apprenticeship opportunities across a variety of skills areas.

It takes a special kind of person to work in the nuclear energy industry and although we have thousands of them there’s always a need for more.

Our industry has a mind-boggling range of opportunities and more jobs, and in more places, than you might think. But it’s also an industry which is changing.

We’re a responsible business and proud to be Britain’s biggest generator of zero carbon electricity. With size, age and experience, we believe we can do even more.

Apply now »