Commercial Manager / Senior Quantity Surveyor (Commercial Manager) – Southern Water
Closing Date: 09/01/2026
Location: Falmer
Salary and package to be discussed at screening stage.
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 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.
Qualifications
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. A solid understanding of NEC contracts and commercial strategy, both pre‑ and post‑contract, and the confidence to partner with and influence stakeholders at all levels is required. A collaborative mindset, strong commercial acumen, and a passion for driving value, efficiency, and best practice will be key.
Package and Working Arrangements
This role is full time, Monday to Friday, 37 hours a week, with a hybrid approach between sites and home.
Benefits
* 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
* Fully 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
Additional Information
Your manager may discuss incident support rotas as part of your role; out‑of‑hours support is a core part of Southern Water’s service delivery.
Privacy Statement
Please note: If you are an existing Southern Water employee, you will need to confirm within your application that your Manager is aware of your application.
Eligibility
All applicants must be eligible to live and work in the UK. You will need to provide evidence of eligibility (e.g., a passport or long birth certificate and proof of NI) and current proof of address (dated within the last 3 months). If you do not meet these criteria, your application will not be considered.
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