We're looking for curious, collaborative and courageous people who'll help transform the performance of the infrastructure ecosystem across the UK’s transport, water, energy and defence markets.
Everything we do is rooted in delivery and organised around our customers.
Whether you’re an experienced professional looking for a new challenge, or just emerging into the workplace, we can offer you opportunities to be your very best.
If you are starting out in your career or looking for the next step in your development, we have opportunities for apprenticeships and graduate roles, internships and work experience placements.
We value the expertise and fresh insights that experienced hires can bring. To drive our future success we want the very best people.
Costain is an inclusive and family friendly employer; we are committed to tackling systemic barriers to create a psychologically safe workplace, where everyone has equal opportunities to reach their full potential.
We know that by being more diverse we will be more innovative, have a greater understanding of our customers’ needs and deliver smarter, more inclusive solutions.
Our goal is to have a workforce that is representative of society and our Inclusion Strategy sets out the actions we need to take to achieve our goal.
Find out more about equity, diversity and inclusion at Costain.
Our purpose and values help create a safe and inclusive culture where everyone is included and respected.
Find out moreWe bring together a unique mix of construction, consulting and digital experts to solve increasingly complex problems. Our commitment to creating connected, sustainable infrastructure is core to all our activities within our four strategic markets of transport, water, energy and defence.
Our SectorsWe help our customers reinvent, evolve and integrate infrastructure systems, as they meet the strategic challenges created by a growing population, climate change, and a need to increase economic and environmental resilience.
Our approach to sustainability