Senior Quantity Surveyor
Ganymede Solutions
Mount Pleasant, Greater London · posted 21 August 2026
Salary
£550 – £600 a day
Job type
full time
Location
Mount Pleasant, Greater London, Greater London
Category
Engineering
Senior Quantity Surveyor / Quantity Surveyor – Water
Location: London
Rate: £550–£600 per day Inside IR35
Contract: Freelance
Ganymede Solutions are currently working with a leading contractor within the UK water sector who are looking to strengthen their commercial team with 2x freelance Quantity Surveyors / Senior Quantity Surveyors on a Water Treatment Works project in the London area.
If the location isn’t ideal, please still get in touch as we have multiple projects across frameworks in the South of England.
The Role
As Quantity Surveyor / Senior Quantity Surveyor, you will be responsible for the commercial management and delivery of a range of Civils and MEICA packages.
Key responsibilities will include:
NEC3 subcontract management
Payment assessments and subcontractor management
Final account negotiations and commercial close-out
Disallowed cost negotiation
Pricing and management of Compensation Events
Forecasting and cost management across labour, plant and materials
Commercial management of Civils and/or MEICA packages
Supporting packages including surfacing, final pipework installation, MEICA installation and commissioning activities
About You
The successful candidate will ideally have:
Strong Quantity Surveying experience within infrastructure or utilities
Good working knowledge of NEC3 contracts
Experience managing and closing out subcontract packages
Experience negotiating final accounts and disallowed costs
Civils and/or MEICA commercial experience
Water sector experience, with Clean Water experience particularly desirable
The Opportunity
There is the possibility of further opportunities across other water projects following completion of the initial assignment, although this cannot be guaranteed.
Rate: £550–£600 per day Inside IR35
Location: London
Start: ASAP
To apply, please submit your latest CV or get in touch with Ganymede Solutions for further information.
Ganymede is committed to creating a diverse workforce and is an equal opportunities employer. We welcome applications from all suitably qualified persons regardless of age, disability, gender, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, and sexual orientation
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