Senior Quantity Surveyor

Southern Water; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading regional water company is seeking a Senior Quantity Surveyor to manage costs and contractual strategies on large-scale infrastructure projects. This is a full-time role with a hybrid work model, offering a competitive salary and extensive benefits including bonuses, generous pension contributions, and flexible working options. The ideal candidate will have a relevant qualification and experience in commercial management.

Benefits

Company and performance-related bonus

Generous pension up to 11% company contribution

25 days annual leave

Life assurance equal to 4x salary

Health Cash Plan

Digital GP service

Cycle to work scheme

Qualifications

• Experience in commercial management on large-scale infrastructure projects.
• Understanding of pre- and post-contract commercial strategy.

Responsibilities

• Deliver expert advice on cost management and procurement.
• Contribute to commercial risk management and value delivery.

Skills

Commercial management

Construction knowledge

NEC contracts understanding

Stakeholder influence

Risk management

Education

Relevant construction or quantity surveying qualification

Job description

Senior Quantity Surveyor

Location: Falmer

Salary: Salary and package are to be discussed at the screening stage.

We’re expanding again – and for all the right reasons.

Following a series of key hires, we're now looking for a number of exceptional Senior Quantity Surveyors to join our high-performing, commercially savvy team. Internally known as Commercial Managers, these newly created positions have been introduced due to the sheer scale and ambition of our upcoming capital programme.

Our commercial team is widely respected across the business for their insight, drive, and integrity. You'll be joining a first-class group of professionals who thrive in a collaborative, fast-paced environment—and who genuinely enjoy what they do.

Job Overview

This is a fantastic opportunity to play a crucial role in Southern Water’s most ambitious AMP to date, delivering complex, large-scale infrastructure projects that will make a tangible difference to communities, the environment, and the regional economy.

Responsibilities

• Act as a key commercial partner, delivering expert advice on cost management, procurement, and contractual strategy across major capital projects.
• Support the entire commercial lifecycle—from feasibility and procurement through to change control and dispute resolution.
• Ensure robust governance, compliance, and control across all commercial activity, aligning with best practice and internal frameworks.
• Work hand-in-hand with Project Managers and contractors to shape realistic cost targets and contractual terms that deliver real value.
• Contribute to the ongoing evolution of how we manage commercial risk, maximise value, and deliver for our customers and stakeholders.

About You

We’re looking for someone with a relevant construction or quantity surveying qualification and demonstrable experience in commercial management on large-scale infrastructure, utility, or construction projects.

You’ll bring a solid understanding of NEC contracts and commercial strategy, both pre- and post-contract, and have the confidence to partner with and influence stakeholders at all levels.

A collaborative mindset, strong commercial acumen, and a passion for driving value, efficiency, and best practice will be key to your success in this role.

Package

This role will be full time Monday to Friday 37 hours a week.

Southern Water operate a hybrid approach to working between our sites and home.

We are offering a salary of up to TBC per annum depending on skills and experience as well as other benefits including:

• Company and performance-related bonus
• Generous pension up to 11% company contribution
• 25 days annual leave
• Life assurance equal to 4x salary
• Salary sacrifice electric car scheme (after 6 months service)
• Health Cash Plan
• Full funded eye tests
• Two paid volunteering days a year
• Occupational health service
• Discounts with over 800 popular retailers
• Digital GP service
• Study support may be available for job-related qualifications
• Competitive maternity leave and flexible return to work options
• Cycle to work scheme

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