Expression of Interest - Senior Quantity Surveyor

Due to continued growth in our civil nuclear and decommissioning portfolio, we are seeking an experienced Senior Quantity Surveyor to join our team in Whitehaven and Warrington. This is a key leadership role within our commercial function, offering the opportunity to work on some of the UK’s most complex and high-value nuclear decommissioning programmes. You will take a senior position in delivering robust commercial strategies, managing risk in highly regulated environments, and ensuring value for money across long‑term programmes of work. As a Senior Quantity Surveyor, you will not only lead on cost and contract management, but also act as a trusted advisor to clients, mentor junior team members, and contribute to the continuous improvement of commercial delivery across programmes.

Key Responsibilities and Duties

• Lead the management and administration of NEC3/NEC4 contracts in line with project and programme governance requirements.
• Provide senior commercial leadership across nuclear decommissioning projects, ensuring robust cost control and risk management.
• Oversee and approve contract variations, ensuring timely, compliant, and value‑driven outcomes.
• Own and manage cost forecasting, budgeting, and financial reporting at project and programme level.
• Lead the valuation of construction and decommissioning works, ensuring accuracy and transparency.
• Act as a trusted advisor to clients, supporting strategic decision‑making and commercial assurance.
• Drive value engineering and demonstrate value for money across contractor proposals and delivery models.
• Manage and mentor junior commercial staff, supporting capability development within the team.
• Collaborate with multidisciplinary teams to deliver programme objectives, KPIs, and performance outcomes.
• Ensure compliance with nuclear industry regulations, governance processes, and safety‑led commercial practices.

Essential Requirements

• Degree qualified (or equivalent) in a relevant discipline.
• Significant experience in quantity surveying/commercial management roles within major infrastructure or energy projects.
• NEC ECC accreditation with strong, practical experience administering NEC3 and/or NEC4 contracts in a senior capacity.
• Chartered status (MRICS) or actively working towards with substantial progress.
• Demonstrable experience delivering commercial management on complex, high‑value programmes within highly regulated environments (e.g. nuclear, utilities, energy).
• Proven ability to manage contract cashflow, governance, change control, and commercial risk at scale.
• Strong experience in cost control, forecasting, and valuation of works across full project lifecycles.
• Experience using CEMAR for contract administration.
• Strong stakeholder management skills, with the ability to influence clients, contractors, and senior project leaders.
• Competent in Microsoft Office applications, including Excel, Word, Teams, and PowerPoint.
• Practical, hands‑on experience administering NEC ECC and/or PSC contracts.

Desirable Requirements

• Experience working within civil nuclear or nuclear decommissioning environments (e.g. NDA estate, Sellafield or similar).
• Demonstrable experience administering contracts using Thinkproject Contracts.
• NEC Project Manager Accreditation.
• Experience providing commercial input at programme or portfolio level.
• Experience managing or mentoring junior team members.

Offers for this role are conditional upon obtaining the appropriate level of Security Clearance. Mott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well‑being, flexibility, and trust.

Equality, diversity, and inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us and we will talk to you about how we can support you.

Benefits

Financial wellbeing

• We match employee pension contributions between 4.5% and 7%.
• Life assurance equal up to 4 × your basic salary, with an option to increase the level of cover to 6 × your salary.
• Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long‑term illness or injury.
• Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
• As an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.

Employee Ownership

Our employee ownership model means no external investors, just us, creating a culture of shared success. Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses. As your career grows, so does your stake, recognising your long‑term impact and contribution. Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future. For our senior roles you will have a direct pathway towards ownership from day one.

Health and wellbeing

• Private medical insurance for all UK colleagues.
• Health cash plan to support you with everyday health costs and treatments.
• Access to Peppy, providing free support from menopause experts for all UK colleagues.
• A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.
• Ability to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.

Lifestyle

• A minimum of 33‑35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
• Holiday entitlement increased to a minimum of 35 days after 5 years’ service.
• Variety of employee saving schemes and discounts from high‑street retailers.

Enhanced family and carers leave

• Enhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.
• Our shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.
• Up to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.

Learning and development

Primary annual professional institution subscription. A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self‑development options.

Networks, communities, and social outcomes

Join a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities. Make a difference within our communities through our social outcomes.

Location(s): Warrington, Whitehaven, UK

Contract Type: Permanent

Work Pattern: Full Time

Market: Defence and security

Discipline: Cost and quantity surveying

Job Ref: 15396