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Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive. We shape, create and deliver pioneering solutions that transform the performance of the infrastructure ecosystem across the UK’s energy, water, transportation and defence markets.
We are organised around our customers anticipating and solving their challenges and helping to improve performance. By bringing together our unique mix of construction, consulting and digital experts we engineer and deliver sustainable, efficient and practical solutions.
Our ambition is to become a net zero business by 2035, while enhancing biodiversity and natural capital, and we have plans in place to deliver this. We are committed to procure responsibly and to be an inclusive and accessible business for all, enabling us to be our best while focusing on the outcomes that we deliver for people and planet.
At Costain, we have a vibrant, challenging and growing business – an environment that provides tremendous opportunities for everybody. We're looking for curious, collaborative and courageous people who'll help transform the performance of the infrastructure ecosystem across the UK. For more information about our careers go to www.costain.com/careers
Today, we employ around 3,500 people and have been named in the Times Top 50 Employers for Gender Equality 2023.
Due to continued growth in our Water sector, we are recruiting for Mechanical Estimators to join our dynamic team.
This is a home-based role with occasional travel as required.
Costain are currently working across several Water Industry accounts for the remaining AMP7 works and to mobilise AMP8 early works. The estimating function is growing rapidly to facilitate the increased volume of works being forecast over the next 5 years, with projects varying from £5m to over £100m in value.
Key Responsibilities
Join the estimating project team taking responsibility for the preparation of the mechanical estimate
Preparation of the detailed scope from drawings, specifications and a PCD that details the outline scope
Identify any errors/omissions from the scope within the PCD
Prepare abstract of material and sub-contract requirements for sourcing and pricing.
Technical and commercial appraisal of material and subcontractor quotations to ensure full coverage of the scope is priced
Preparation of analytical estimates including the detailed appraisal of the Mechanical (& Electrical ideally) packages and attendances required
Contribute to the identification of risk and pricing of risks throughout the bid.
Attend site visits ad hoc during tender period
Contribute towards the preparation of the M&E “Tender Book” to collate and present the Mechanical estimate
Prepare Top-Down-Estimate using the Framework agreed schedules of rates and Cost curves for benchmarking as part of the review process
About You
Degree level qualified / equivalent in a Mechanical or Electrical Engineering related discipline
Preferably Chartered
3 Years min experience working as a Mechanical Estimator for a major mechanical/electrical contractor in the water sector
Experienced pricing medium to large value mechanical (& electrical ideally) engineering projects
Previous Experience In Wastewater/sewerage Treatment And Process Engineering (essential)
Previous experience in clean water would be an advantage
Familiar with Civil Engineering Method of Measurement
Customer focused, open and honest, safe and environmentally aware, team player, accountable
Excellent communication skills and a “can-do” approach at all times
Must be commercially aware and a lateral thinker with a knowledge of various Forms of Contract
Good technical understanding of Mechanical & Electrical Engineering and the ability to promote alternative solutions. Must be numerate, accurate and self-checking
Knowledge of CCS ‘Candy’ Estimating system would be an advantage albeit training will be given
Full driving licence
For the full job description, please contact careers@costain.com quoting the vacancy number
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.
Your application
Should you require any adjustments to support you in your application, please do not hesitate to contact us: careers@costain.com
We welcome all applicants regardless of age, race, faith, sexual orientation, gender identity, gender expression, socioeconomic background and physical or neurological disabilities.
We welcome you to ask about the flexibility you need for dynamic working. Such as, working part-time, remote working, or compressed hours. In return, we will explore what is possible.
To find out more about our Inclusion strategy, please visit our ED&I page:
Understandably given the nature of our business, everyone who is employed at Costain must undergo thorough referencing checks. We will need different information depending on the job we have offered you. For all roles, we'll carry out a criminal record check and we’ll ask to see evidence that you have the legal right to work in the UK.
For some of our roles, you may be required to obtain and maintain security clearance of at least Security Check level (or SC clearance). To satisfy the requirements, you will need to have been a legal UK resident for a minimum of 5 years and have successfully complete all stages of the vetting process.
Closing date
Please note that Costain reserves the right to bring forward the closing date of any of its job vacancies if we receive a suitable number of quality applications from which to make a shortlist. Therefore, we recommend at you apply as soon as possible rather than wait until the published closing date.
A Disability Confident employer will generally offer an interview to any applicant that declares 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: