Senior Quantity Surveyor

  • Ganymede Solutions
  • Nov 08, 2025
Contractor Engineering

Job Description

Freelance Quantity Surveyor / Senior Quantity Surveyor Water Infrastructure (Outside IR35)
Location: West London / Hybrid (1 2 days per week on site)
Contract Type: Freelance
IR35: Outside
Rate: Up to £475/day (SQS)

We re looking for experienced Senior Quantity Surveyors to support a Tier 1 contractor on a long-term water framework in the West London region.

This is a great opportunity to join an established commercial team with consistent workload and long-term prospects. The framework is ramping up, and we re looking for commercially strong QSs who can add value straight away.

Key Experience Required:
  • Water sector experience (preferred)

  • Tier 1 civils background (essential if not from water)

  • NEC contract experience (vital other forms such as JCT won t be suitable)

  • Full project lifecycle experience

  • Strong commercial acumen ideally an old-school Project QS type who can manage all areas of the role, not just CEs or payment applications

The Role:

You ll be responsible for full commercial management support across multiple projects, including:

  • Change management and compensation events

  • Subcontract management and payments

  • Cost and value reporting (CVRs)

  • Supporting project and framework-level commercial delivery

Why Apply?
  • Outside IR35 long-term freelance opportunity

  • Excellent day rates: up to £400/day (QS) £475/day (SQS)

  • Hybrid working: only 1 2 days per week required on site (West London)

  • Long-term continuity on a growing AMP programme

  • Work with a strong Tier 1 commercial team with an excellent reputation

If you ve got strong NEC experience and a solid Tier 1 background, this is an excellent opportunity to secure long-term freelance work on a major water framework.

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