Senior Engineer - Mechanical (Water)

Costain Group PLC; Manchester; Hybrid; GBP 45,000 - 70,000; Full time

Job summary

Join a forward-thinking company as a Senior Mechanical Engineer, where your expertise in water treatment and design will be vital. In this hybrid role, you'll lead design efforts on significant water projects, ensuring quality and compliance while collaborating with various stakeholders. This is an exciting opportunity to contribute to sustainable infrastructure solutions that enhance community resilience and efficiency. Embrace a flexible working environment that prioritizes your well-being while making a tangible impact in the water sector.

Qualifications

• Proven experience in mechanical engineering within the water sector.
• Strong proficiency in engineering design and project management.

Responsibilities

• Deliver key design work on water projects, including 3D design and specifications.
• Ensure compliance with company and client policies in project execution.

Skills

Mechanical Engineering

Water Treatment

Waste Water Treatment

Process Flow Diagrams

Pumping Systems

Education

Degree in Engineering

Chartered Mechanical Engineer

Job description

Greater Manchester, United Kingdom (Hybrid)

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Job Info

• Job Identification 100764
• Job Category Engineering
• Posting Date 04/29/2025, 08:01 AM
• Locations M22 5TG (Hybrid)
• Contract Type Permanent
• Driving Required Yes
• Security Clearance Required No

Job Description

Costain’s multi-discipline engineering and design team deliver design mainly across Costain projects. The design outputs range from studies to detailed design for permanent and temporary works. This team focus on the delivery of sustainable, safe-by-design outputs with a strong constructability ethos.

As we continue to increase our presence across the water sector, partnering with UK water companies to deliver their strategic capital delivery programmes for their AMP8 investment cycles, we have an opportunity for a Senior Mechanical Engineer to join our growing team supporting our Southern Water, Northumbrian Water and United Utilities Frameworks.

As a Senior Mechanical Engineer you will be responsible for delivering key elements of design work on water projects including 3D design, calculations, scope of works, specifications and similar in the wastewater environment.

This will include both design delivery and management of resources, prioritising / sequencing work, supporting others and driving design delivery progress. Responsibility for output quality.

There will be visits to construction sites, partners, clients and suppliers as required.

Work will be located at Costain Offices at Aviator Way, Manchester circa 2-3 days a week, with a blended approach to flexible and home working to support wellbeing.

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Responsibilities

• To ensure compliance with Company & Client Policy with respect to water sector requirements.
• To complete specific design tasks as delegated by the Project Discipline Engineer or Engineering Manager as appropriate.
• To ensure work packs are delivered in timely and cost effective manner and in line with Company & Clients Project requirements and applicable Company & Client Codes and Standards. Where task forces are mobilised the team members are to be selected through the SQEP process and be familiar in the appropriate field of work.
• To ensure well maintained Quality Assurance, auditable records, and technical files in line with CDM requirements.
• To ensure smooth and efficient liaison with Other Associated Partners and disciplines as required

You will be a Senior Mechanical Engineer - Water with specific knowledge and experience within your specialist field and discipline. (i.e.SQEP’d–Suitably Qualified Experienced Person).

• Carrying out Lead Mechanical Engineers roles on a project or group of projects and may support the career development of fellow engineers.
• Proven and significant experience in their discipline or a closely related one.
• Proficiency in the delivery of engineering design across a number of work categories.

Experience in one or more of the following specialist mechanical engineering fields:

• Water treatment
• Waste water treatment
• Biosolids/sludge treatment
• Pumping systems
• Chemical storage and dosing
• Asset condition surveys and reports

Experience with the following mechanical engineering and design deliverables and activities:

• Process Flow Diagrams
• Equipment Specifications and Datasheets
• Pumping system calculations

Qualifications

• An appropriate Degree, HNC, HND or equivalent in engineering or related discipline.
• Chartered Mechanical Engineer

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.

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.

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 tothe Disability Confident website:
https://www.gov.uk/government/collections/disability-confident-campaign