CE&I Engineer
Listed on 2026-06-03
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Engineering
Environmental Engineer, Civil Engineering
Overview
Job Description
As a CE&I Responsible Engineer (RE), you will be responsible for the management of CE&I design and engineering aspects of the Programme, meeting the specific needs of the nuclear licenced site requirements.
You will lead and manage the CE&I designers, whether they are Costain Engineering and Design or external consultants or subcontractors with design responsibility. You will be responsible for the design being delivered on time, to budget and technically compliant. All our designs must be safe, sustainable, and efficient to construct.
A key requirement of the role is to ensure that the management systems, including digital processes and systems, are followed to provide assurance to stakeholders that design works are conducted appropriately.
Nuclear engineering at Costain offers the opportunity to work on meaningful long-term, nationally significant infrastructure with a level of technical rigour and safety focus unmatched in most industries.
If you are an engineer from a regulated industry and are curious about nuclear - we would welcome a conversation, even if you re unsure whether you meet every requirement.
This hybrid role can be based in Manchester or Warrington or Cumbria. The successful Candidate will need to be able to achieve the relevant security clearance. Security clearance support is provided.
This 15-year contract award will deliver critical utilities infrastructure upgrades at Sellafield’s Cumbria decommissioning site. The total value of Sellafield’s IDP is worth up to £2.9bn, split into three lots. Costain has been confirmed as Utilities Delivery Partner (Lot
3), worth up to £1bn to the company. The contract consists of an initial term of nine years with an option to extend by a further six years, either in a single extension or multiple smaller extensions.
The IDP will deliver asset care task and project work on the existing site infrastructure as well as introducing new capability to enhance and evolve the Site Infrastructure. Contracts will be placed to deliver continued project and task work from inception, design, construction through to commissioning.
As Utilities Delivery Partner, Costain’s role will include the completion of detailed design and all procurement, installation, construction, commissioning and handover activities that form part of the contract delivery.
Utilities Involved
- Steam (LP and HP)
- Water (Wastewater, Raw, Domestic & Demin)
- Compressed air
- Bulk chemical supply
- Sewage treatment plant
Scopes Include Refurbishment/replacement Of
- on-site steam distribution system & support structures
- on-site water distribution system & support structures
- off-site water supply and distribution system including domestic water treatment plant & storage reservoirs
- on-site compressed air generation & distribution system
- on-site bulk chemical storage tanks & associated equipment
- demineralised water treatment and conditioning plant
- on-site chemical distribution system & support structures
- sewage treatment plant
- Improvements to rail and road tanker off-load facility
At Costain, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box. Your unique skills and experiences could be exactly what we need.
Responsibilities
Key Responsibilities
Control Relationships
Establish collaborative working relationships with the client, Costain and external partner design teams, project staff and supply chain.
Build strong interpersonal connections within the wider Costain CE&I Engineering functions.
Delivery Culture
Be a visible leader and develop a programme led design delivery culture across the Programme.
Embed the principles of carbon minimisation into our solutions.
Embed the principles of Production Thinking / MMC into our design solutions.
Ensure reporting on design progress and technical risks regularly.
Ensure that the designs are contributing to improved project quality on our projects
Ensure the designs are constructable, follow safe-by-design principles and active our sustainability goals, including reporting or carbon metrics etc as required.
Ensu…
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