Graduate Mechanical Engineer – Thames Water Full Time

We have a great opportunity for a Graduate Mechanical Engineer to join our leading-edge 2 Year Graduate development programme starting in September 2025.

About Costain: At Costain, we help to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. We work together to shape, create, and deliver pioneering solutions that transform the performance of the UK’s infrastructure ecosystem across energy, water, transportation and defence markets. Through our collaboration with customers, partners, communities, and wider industry we will deliver an infrastructure fit for a better future.

Costain Graduate Development Programme

Our programme focuses on helping individuals to learn a mix of both Leadership and Technical skills.

We offer a structured training programme to enable graduates to work towards achieving Chartership in their chosen field.

Graduates may also have the opportunity, after the first 8 – 10 months to rotate and to work on a number of exciting and progressive projects around the UK during the 2-year period, experiencing the best we have to offer across the different sectors we work in.

Our line managers are fully supportive of the Graduate Development Programme and will be involved in helping you along the way.

Responsibilities

Purpose of the role: Is to develop the skills required to allow you to becomeresponsible for key elements of work on a project taking a significant role in mechanical engineering and technical delivery as well as managing aspects of time, cost and quality. You will acquire technical, leadership and project management skills and experience.

Key Tasks & Responsibilities

• Management of site operations, to ensure safety, quality, cost effectiveness, timely production and customer satisfaction including planning and sequencing of operations.
• Writing method statements and risk assessments.
• Supporting procurement of sub-contractor, labour, plant, and material resources.
• Providing team briefings covering operational requirements and performance updates.
• Implementing quality control and QA processes to meet regulatory requirements.
• Commercial and contract management.
• Supporting design development and design management.
• Providing scope and growth development proposals and work winning.
• Excellent organisation, and time management skills.
• Possess a willingness to learn and take on new challenges.
• Have passion for Costain’s Carbon Net Zero targets.
• Excellent communication and presentation skills, verbal and written 
• Appreciate project time pressures 
• Ability to work both independently and cooperatively in a fast-paced environment

Qualifications

• You will have achieved or are on track to have achieved at Bachelor’s degree at grade 2:2 or above in a related engineering degree subject
• Excellent organisation and time management skills
• Possess a willingness to learn and taken on new challenges
• Have passion for Costain’s Carbon Net Zero targets
• Excellent communication and presentation skills, verbal and written
• Appreciate project time pressures
• Ability to work both independently and cooperatively in a fast-paced environment
• Please note that if you are invited to interview, we will require you to produce your passport and/or right to work documentation.

As some of our project sites are based in remote locations, it is worth noting that you will be required to have the ability to travel to site

About Us

Costain helps to improve people’s lives with integrated, leading edge, smart infrastructure solutions across the UK’s energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK’s leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future-shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview .

A Disability Confident employer will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer.

It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people.

For more details please go to the Disability Confident website:

https://www.gov.uk/government/collections/disability-confident-campaign

About The Team

Costain are working with Thames Water on a variety of water and wastewater projects and have fantastic opportunities for individuals to join our growing AMP7 delivery team, working predominantly across the Thames Valley and Thames South regions. There is a mix of projects ranging from smaller capital maintenance to large civil new build schemes.