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Application process

Our application process is simple: here’s what to expect.

Every recruitment process is different and at Costain we believe in transparency. We use a range of different tools to help us select the right people for our business. These may include initial screening questions prior to application, up to three interviews, and for some roles, psychometric assessments.

What happens once you apply?


Once you find a job opening that fits your skills and interests, you can create an account, This will allow you to apply and check back on the progress of your application or apply for other roles. Remember: this is our first time meeting you. Read the job description and highlight on your CV those experiences that we should learn about. Once your application has been received, an acknowledgment of your application will be sent to you.

Initial review

Once we have received your application it will be reviewed by our internal recruitment team against the selection criteria. If your experience meets our requirements, your application will be submitted to the Hiring Manager and they will be in touch to arrange a telephone screening call. Stay up to date with real-time progress through our candidate portal.


If you're selected for interview, we will get in touch via telephone or email to offer available time slots for interview. Usually the first interview is conducted via MS Teams and if the position requires a second interview, this normally takes place in person where you will get the chance to meet with the hiring manager and members of their team. Costain want to set you up for success right from the start, so if you need any adjustments to enable you to be at your best for interview, then just let us know and we will make it happen.

Interview tips
Your offer

If successful after interview, we will contact you to offer the role and discuss the terms of your job offer and a potential start date. At this point you will be required to show evidence of your right to work in the UK. Once the right to work check is complete, your formal offer letter will be issued via the candidate portal. We aim for this to be issued within 2-3 days following internal approval. If you're not selected for the role, we will contact you to provide feedback and answer any questions you have.

Our culture
Background check

Costain have partnered with an authorised third party to conduct pre -employment checks. This includes referencing and employment checks. Don’t worry, we wont contact your referees without your permission.

Onboarding and your first day

We ask that you complete the onboarding tasks allocated to you through your candidate portal inline with the deadlines set. This will include completing documents regarding benefits and payroll. Prior to your first day we will be in touch to ensure you have your line managers contact details and all your arrangements have been made. No matter where your role is based, we will ensure you have the right equipment to support you in your new role and help you to get started as quickly as possible.

What we do


Interview tips

About us