JN Bentley
Project Commercial Manager - @One Alliance

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Mott MacDonald Bentley are recruiting for a Project Commercial Manager to join the Anglian Water @One Alliance.
As part of Anglian Water’s @one Alliance, we are on a mission to create a sustainable and resilient future for water. With an ambitious £2.3 billion capital investment in AMP8, we are revolutionising infrastructure, sustainability, and digital transformation to protect the environment and support growing communities.
What will you be doing as our new Project Commercial Manager?
You will be accountable for the commercial and cost management of a project or programme of projects from inception to close out reporting directly to an Integrated Projects Leader (IPL) ensuring that maximum efficiencies are obtained and full compliance with all Alliance and Anglian Water governance procedures is achieved. Providing a commercial challenge to the IPL and team on all project matters.
Key Responsibilities
- Ensuring robust estimates are provided that are aligned to scope.
- Managing and supporting the commercial and procurement strategies with the Senior Buyers to ensure the tender processes are followed correctly.
- Ensuring subcontracts are properly prepared and reflect the agreed scope and are properly managed in accordance with contract.
- Providing accurate live forecasting taking into account the project programme and reporting in accordance with the respective WBS/CBS.
- Ensuring actual costs are properly monitored and assessed against the baseline estimate and challenge any variance to the plans.
- Providing reports on actual costs versus estimate and identifying underlying reasons for any variance and resolution.
- Ensuring the Alliance contract is properly administered.
- Overseeing the timely issue of early warnings and advising the IPL on all matters related to compliance.
- Ensuring that proper records are kept so that all financial information for audits and cost assurance is readily available.
- Ensuring final accounts are prepared timely and accurately.
- Ensuring that mitigation plans are in place and implemented.
- Proactive management of opportunities including identifying and implementing plans to realise.
- Ensuring that all identified efficiencies are monitored as to progress and report to the IPL any variances to the plan.
- Report any withheld, disputed or disallowed costs to the IPL.
- Leading and managing a small team.
- Mentoring and developing the team individuals.
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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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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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.
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You will ideally be educated to degree level and hold either RICS/CIOB/CICES certification. You will have demonstrable experience in managing complex projects ranging in size up to multi-million pounds projects. You will be able to manage change, and feel comfortable challenging decisions. Previous experience in working with NEC suite of contracts, coupled with negotiating and estimating and outstanding stakeholder management skills. You will champion collaboration and open communication and take ownership, leading with strong commercial focus. Excellent stakeholder management skills to build strong personal working relationships.
At @one Alliance, you’ll be part of a dynamic, forward-thinking team that is shaping the future of the UK’s water infrastructure. We offer a collaborative and innovative working environment, where your expertise will be valued and your ideas will drive meaningful change.
JN Bentley Benefits to be found on the booklet attached.
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