Location
London, with a minimum of 4 days per week onsite at Gatwick Airport

Hours
Full Time

Salary
Negotiable

About the Role
Join Arcadis and play a key role in one of the UK's most significant aviation infrastructure programmes. As a Senior Cost Consultant, you will support the delivery of the Gatwick Airport Northern Runway Programme, a major project designed to enhance airport capacity, improve passenger experience, and drive long-term economic growth. Working within the Mobility Commercial Management team, you will provide expert cost management services throughout the project lifecycle. This includes partnering closely with client teams, contractors, and delivery partners to ensure robust commercial performance and successful project outcomes. The role requires a strong onsite presence to engage directly with stakeholders and delivery teams, ensuring effective communication and collaboration across all parties involved.

Key responsibilities include leading cost management activities across major project packages from feasibility through to completion, developing and managing cost plans, estimates, budgets, and financial reporting. You will monitor project performance, identify risks and opportunities, and provide commercial insights to support decision-making. Additionally, you will support contract administration and commercial management activities under NEC contracts, build strong relationships with clients and contractors, mentor junior team members, and contribute to governance, assurance, and reporting processes to ensure successful project delivery.

Experience
- Significant experience delivering cost management services across major infrastructure projects
- Experience within aviation, rail, highways, or other complex capital programmes
- Strong knowledge of NEC3 and NEC4 contracts, including compensation events and change management processes
- Demonstrable stakeholder management and client-facing experience
- Ability to manage workstreams independently while contributing to wider programme objectives

About you
Proactive and confident professional with excellent communication and relationship-building skills. Able to work effectively onsite and engage directly with diverse stakeholders and delivery teams. Strong leadership qualities with a commitment to mentoring and supporting junior colleagues. Motivated by delivering high-quality commercial outcomes within complex infrastructure environments.

Qualifications
- Degree qualified in Quantity Surveying or a related discipline
- Chartered status (MRICS) or working towards chartership
- CSCS card holder or willing to obtain