Mace
Commercial Manager - Construction

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Mace combines construction expertise with consultancy to unlock potential in every person or project and redefine the boundaries of ambition. Our values shape the way we consult and define the people we want to join us on our journey.
The project
Are you looking for a career which is rewarding, at the cutting edge of project development and where you can really make a difference? Come and join our expanding Sizewell C (SZC) team and work on one of the most exciting and largest megaprojects in the UK, whilst being at the forefront of the UK’s climate change agenda and energy policy. Sizewell C (SZC) will be a 3.2-gigawatt power station generating low-carbon electricity for around 6 million homes, playing a key role in our energy future, supplying reliable, clean electricity for at least 60 years.
You’ll be responsible for:
- Providing support to the procurement process and Senior Commercial Manager/Supply Chain Lead during the contract creation phase (pre-award) including assessing the scope, duration and expected value of each of the Contracts against the budget and defining the commercial requirements of a contract.
- Participating in the commercial review of the technical and commercial requirements, ensuring that the specifications and commercial terms of the contract including; scope of works, required services, planning, safety and quality standards etc. are aligned across the Project and ensuring that the commercial terms will allow effective contract administration.
The Commercial Manager is responsible for:
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
- ITT preparation, evaluation and negotiation, ensuring that selected tenders are compliant with the scope and commercial requirements.
- Providing stakeholder management across the project.
- 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 records.
- Interfacing with Legal team on conditions of contract issues and non-disclosure agreements.
- Ensuring that the strategy for collaborative working is followed in the procurement phase.
- Development of ITT/RFQ packages including; technical, commercial, legal documentation.
- Ensuring lessons learnt from HPC are captured and implemented in SZC procurement strategy.
The Commercial Manager will provide support to the Senior Commercial Manager/Supply Chain Lead in ensuring all internal governance approval is in place to enable timely Contract Award.
You’ll need to have:
- Progressing to full membership of the RICS/CICES/IOB is preferable.
- Educated to relevant degree level is preferable.
- Able to demonstrate a noteworthy track record of administering successful contracts.
- Effective commercial/contract management skills are essential, with clear knowledge of best practice contract methodologies.
- Good commercial skills and ability to make sound decisions on matters of financial value.
- Understanding of contract performance measurement, risk management and change and claim management.
- Good negotiating, influencing and communication skills to command professional respect at all levels.
- Familiarity with most common forms of contract (NEC and FIDIC) within the power construction industry and major projects and programme environment; with particular knowledge of UK Law and its impact upon the contract and commercial function is essential.
- Familiar with the nuclear site licence conditions and the nuclear baseline philosophy.
- Good understanding of the UK regulatory framework.


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Our values
- Safety first - Going home safe and well: We champion a safe, diverse and inclusive working environment, understanding the importance of wellbeing in every team.
- Client focus - Deliver on our promise: We own the quality of deliverables, strategic outcomes and build long term relationships with our clients.
- Integrity - Always do the right thing: We influence positive outcomes within our industry, while always aligning with our compliance obligations.
- Create opportunity - For our people to excel: We champion a continuous improvement culture throughout all activities, inspiring our people and teams to develop.
Mace is an inclusive employer and welcomes interest from a diverse range of candidates. Even if you feel you do not fulfil all the criteria, please apply as you may still be the best candidate for this role or another role within our organisation.
We are also open to discussing part time, flexible, and hybrid working options if suitable within the role.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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