Senior Quantity Surveyor (SZC) in Kings Langley

WJ is the UK’s leading water management specialist - the partner and contractor of choice for major construction and infrastructure programmes. Over 45 years and 4,500+ projects worldwide, including the Channel Tunnel Rail Link, the London Olympic Park, Crossrail, Tideway, HS2 and currently Sizewell C. Our values - Confidence, Pride, Clarity & Integrity, and Independence - guide every decision we make.

Own the commercial account on Britain’s biggest construction site.

WJ has £20M+ of secured works on Sizewell C and a further £40M+ in negotiation - dewatering, water treatment, surface water management, abstraction wells, pumping tests and monitoring across the largest nuclear new-build in Europe. It is our most important account, and we’re hiring one Senior Quantity Surveyor to own it commercially, end to end.

This is not a cog-in-the-machine posting. You hold the commercial position on the major packages - the change register, the CVRs, the applications, the negotiations and the final accounts -reporting straight to our Managing Quantity Surveyor and sharing accountability with the SZC Project Lead. When the £40M pipeline converts, you build the commercial team that runs it.

The deal

• £65,000–£75,000 basic + company car + private healthcare + gym + performance bonus.
• A genuine route up: you deputise for the Managing Quantity Surveyor on SZC matters from day one, with a clear line of sight to Managing QS level as the account grows.

Responsibilities

• Run NEC3/4 contract administration (Options A, C and E) across the Tier 1, 2 and 3 positions WJ holds on site - early warnings, compensation events, quotations and re-measures, inside the time bars, every time.
• Own cost, value, margin and cash on a £20M+ portfolio: CVRs, cashflow forecasts, monthly applications and the negotiations that follow.
• Act as the lead commercial point of accountability for WJ’s key SZC accounts, owning the commercial position from award to final account.
• Lead the administration of WJ’s key SZC packages under NEC3/4 and project-specific nuclear framework requirements, including Options A, C and E.
• Prepare, own and maintain live cost plans, CVRs and cashflow forecasts for the key SZC accounts, aligned to SZC reporting cycles and WJ month-end.
• Own the change management process across the key SZC accounts, ensuring every change is identified, notified, priced, agreed and recorded.
• Build and lead an expanded SZC commercial team as the £40M+ opportunity pipeline converts.
• Act as the lead commercial interface with SZC Ltd, the Civil Works Alliance (CWA), their stakeholders and subcontractors on the key accounts.

Qualifications

• Degree in Quantity Surveying, Commercial Management or a related discipline (mandatory - equivalent experience will not be accepted in lieu of a degree).
• Minimum 5–8 years’ quantity surveying experience within construction, civil engineering, geotechnical or specialist subcontracting, with a proven track record on major infrastructure programmes.
• A minimum of 5 years’ post-qualification experience administering NEC3/4 contracts (including Options A/B/C/E) and at least 3 years operating at Senior Quantity Surveyor level.

Required Skills

• Strong negotiation skills and the credibility to deal with clients, principal contractors and alliance partners at a senior level.
• Strong analytical and financial reporting capability, with high attention to detail and excellent record-keeping discipline.
• Excellent communication, report-writing and interpersonal skills.
• Eligibility to obtain and maintain security clearance for the SZC site (e.g. BPSS/SC).
• Full UK Driving Licence and willingness to travel routinely to a major infrastructure site.
• Strong IT skills including MS Excel; experience of contract management systems such as CEMAR, Oracle Unifier or FastDraft an advantage.

Preferred Skills

• Experience on nuclear new-build or comparable major programmes (Hinkley Point C, HS2, Thames Tideway or similar).
• Experience of JCT and bespoke contract frameworks alongside NEC.
• Professional membership or working towards chartership (e.g. RICS, ICES).
• CSCS card and site safety training appropriate to regular site attendance.

Working Conditions

Site-based at/near the Sizewell C project, Suffolk, with a minimum of five days per week on site, and 1–2 days per month at WJ’s UK Head Office (Kings Langley), with periodic travel to other WJ facilities.

The role involves regular presence on a live nuclear new-build construction site and may require flexibility around SZC and WJ reporting cycles.

Routine use of a Visual Display Unit (VDU).

Equal Opportunity Statement

WJ is committed to diversity and inclusivity in the workplace. We encourage applications from all qualified individuals regardless of race, gender, disability, sexual orientation, or any other characteristic protected by law.

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