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Commercial Manager - Water Sector

Mace Group
United Kingdom  London, United Kingdom
Industry, English
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Job Description:

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.
For over 28 years, Mace has challenged convention and driven industry change, shaping cities worldwide. Now a £2.35bn global business, we operate across 21 sectors, championing our people and inspiring innovation. We deliver quality and service excellence through our collaborative spirit, ambition and unwavering commitment to doing things better.
The estimating function ensures robust, value-driven cost plans supported by consistent benchmarking. It maintains an integrated baseline of scope, cost and time within the project controls system and supports effective risk and change pricing to strengthen commercial assurance across infrastructure programmes.
You'll be responsible for:
* Managing feasibility studies, value management and benchmarking.
* Managing estimating and cost planning, presenting final cost plans.
* Overseeing procurement, contract preparation and supplier selection.
* Controlling change, valuations and post-contract cost reporting.
* Negotiating and agree final accounts.
* Acting as key client interface throughout delivery.
* Supporting business development and promote Mace.
* Applying strong knowledge of industry contracts to strengthen commercial outcomes.

You'll need to have:
* Experience in cost consultancy with strong estimating, budgeting and major infrastructure knowledge.
* Skilled in industry contracts, procurement and best-practice delivery.
* Highly numerate with strong attention to detail and stakeholder relationship skills.
* Degree in quantity surveying/cost management; professional membership beneficial.
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 with-in the role.
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Source: Company website
Posted on: 19 Dec 2025  (verified 09 Jan 2026)
Type of offer: Graduate job
Industry: Basic Materials / Construction
Languages: English
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