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Project Cost Consultant (Aviation)

ArcadisLondon🇬🇧United KingdomPosted 30 Sept 2026

Why this role stands out

Advance your career by joining Arcadis on a high-profile aviation infrastructure programme, where you will gain invaluable experience in large-scale cost management within a collaborative, world-class team. This hybrid role is perfect for a detail-oriented professional who thrives on solving complex commercial challenges and is eager to make a tangible impact on major national projects. Apply today to help shape the future of aviation while growing your expertise in a supportive and industry-leading environment.

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationLondon, United Kingdom
Posted3 weeks ago
Stakeholder ManagementComplianceContinuous ImprovementDiversity & InclusionFinancial AnalysisForecastingQuantity Surveying

Job description

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description:

At Arcadis, we're supporting one of the UK's most significant aviation infrastructure programmes, the Gatwick Airport Northern Runway Project. We're looking for an experienced Project Cost Consultant to join the commercial team, helping to shape the successful delivery of a major infrastructure investment that will enhance capacity, connectivity and long-term growth at one of the UK's busiest airports.

This is an opportunity to work at the heart of a high-profile programme, partnering with clients, contractors and multidisciplinary teams to provide robust cost management and commercial advice throughout project delivery.

As a Project Cost Consultant, you'll play a key role in managing project costs, forecasting expenditure, analysing commercial performance and supporting informed decision-making across the programme. You'll be involved in both site-based and office-based activities, working closely with stakeholders to ensure projects are delivered efficiently and commercially successfully.

With a strong presence on site, you'll gain first-hand insight into project delivery while helping to manage risk, control costs and drive value throughout the project lifecycle.

Role accountabilities:

  • Delivering cost management services across major aviation infrastructure projects.

  • Preparing and maintaining cost plans, budgets, estimates and commercial reports.

  • Monitoring project performance, forecasting costs and analysing variances.

  • Supporting the administration and commercial management of NEC3/NEC4 contracts.

  • Managing compensation events and ensuring contract compliance.

  • Identifying commercial risks and opportunities and supporting mitigation strategies.

  • Building strong relationships with clients, contractors and project teams.

  • Contributing to continuous improvement initiatives and best practice across the programme.

Qualifications & Experience:

  • At least 5 years' experience in cost management, commercial management or quantity surveying within aviation, infrastructure, construction or transportation projects.

  • Experience working under NEC3 and/or NEC4 contracts, including compensation events and contract administration.

  • Strong commercial acumen, analytical capability and attention to detail.

  • Experience producing cost reports, forecasts and financial analysis.

  • Excellent stakeholder management and communication skills.

  • Ability to work independently and manage competing priorities in a fast-paced project environment.

  • Degree qualified in Quantity Surveying or a related discipline.

  • Working towards or holding a professional qualification such as MRICS.

  • CSCS card holder, or willing to obtain one.

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.


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