Walker Sime is a highly respected UK construction consultancy founded in Manchester in 1999, recognised for technical excellence, independent commercial rigour, and a collaborative, client-focused culture. We deliver specialist cost management and quantity surveying services across nationally significant infrastructure, energy, regeneration, and complex capital programmes.
Due to phenomenal growth, we are seeking an experienced Senior Quantity Surveyor to join our team in Waltham Cross, working on a hybrid basis with 3 days onsite and 2 days from home.
In this role, you will play a pivotal part in providing commercial leadership and cost management expertise across complex engineering, utilities, and civil infrastructure projects. Working within multidisciplinary teams, you will deliver independent commercial oversight and strategic cost advice across NEC-based contracts.
Key Responsibilities
Provide senior commercial and cost management leadership across infrastructure projects
Administer and manage NEC3 / NEC4 contracts (Options A, C and E), including compensation events, early warnings, and change control
Lead cost planning, benchmarking, and lifecycle cost analysis across civils, M&E, and infrastructure works
Manage valuations, final accounts, and cash flow forecasting
Monitor cost performance, risk allowances, and programme financial controls
Conduct commercial reviews and ensure compliance with client and regulatory requirements
Experience & Skills
Proven experience as a Senior Quantity Surveyor within infrastructure, utilities, energy, or major civil engineering sectors
Experience working on high-value capital programmes
Strong working knowledge of NEC contracts and commercial management processes
Experience in cost planning, forecasting, and risk management
Commercially astute with strong analytical and problem-solving skills
Experience working with Tier 1 contractors and multidisciplinary teams
Degree qualified in Quantity Surveying or Commercial Management
MRICS or working towards chartership desirable
Why Join Walker Sime?
Work on major, nationally significant infrastructure programmes
Hybrid working model with Waltham Cross as your primary site location
Clear career progression within a growing consultancy
Competitive salary and benefits package
Supportive, collaborative, and people-first culture
Apply Now
If you are a Senior Quantity Surveyor looking to work on complex, high-profile projects while advancing your career with Walker Sime, we would love to hear from you