Senior Quantity Surveyor – Defence Projects (NEC Lead)

Mott MacDonald; England; Hybrid; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Pension contributions match 4.5–7%

Life assurance 4x salary

Income protection

Annual bonus scheme

Flexible benefits

Private medical insurance

33–35 days holiday

Job summary

Mott MacDonald is seeking a Senior Quantity Surveyor to lead commercial delivery on defence programmes, across infrastructure, equipment delivery, and defence nuclear environments. This role focuses on strategic cost management, NEC contract leadership, and client-facing commercial assurance within highly regulated settings.

Ideal candidates will have NEC3/NEC4 experience, MRICS qualification, and a track record of cost control, forecasting, and governance on complex programmes in regulated

Qualifications

• Degree qualified (or equivalent)
• Significant experience in quantity surveying/commercial roles
• NEC ECC accreditation with strong senior-level NEC3/NEC4 experience
• Chartered (MRICS) or close to completion
• Experience delivering commercial management on complex, high-value programmes in regulated environments
• Strong capability in cost control, forecasting, and valuation across lifecycle stages
• Experience managing cashflow, governance, and commercial risk; Experience using CEMAR
• Strong stakeholder engagement and leadership capability
• Advanced Microsoft Office capability
• Hands-on NEC ECC/PSC experience

Responsibilities

• Lead the administration of NEC3/NEC4 contracts across defence programmes
• Provide senior commercial leadership on infrastructure, equipment, and nuclear-related projects
• Own cost forecasting, reporting, and financial governance at project/programme level
• Lead valuation of works and ensure robust commercial reporting
• Act as a trusted commercial advisor to clients and stakeholders, including MOD-facing teams
• Drive value engineering and commercial efficiency across delivery partners
• Lead on change management, risk mitigation, and contract compliance
• Mentor and support junior QS staff
• Ensure compliance with defence assurance, security, and governance processes

Skills

Leadership

Stakeholder engagement

Cost control

Forecasting

Valuation

Mentoring

NEC3/NEC4 experience

Education

Degree qualified

MRICS Chartered

Tools

CEMAR

Thinkproject Contracts

Microsoft Office

Job description

Mott MacDonald is seeking a Senior Quantity Surveyor to lead commercial delivery on defence programmes, across infrastructure, equipment delivery, and defence nuclear environments. This role focuses on strategic cost management, NEC contract leadership, and client-facing commercial assurance within highly regulated settings.

Ideal candidates will have NEC3/NEC4 experience, MRICS qualification, and a track record of cost control, forecasting, and governance on complex programmes in regulated