Senior Mechanical Design Engineer
CV-LibraryWarrington, CheshirepermanentPosted: 17 July 2026
Apply NowAbout the job
Are you an experienced Mechanical Design Engineer looking to make a real impact on the future of the UK water industry?
We're looking for a Senior or Principal Mechanical Design Engineer to join our in-house design team, delivering innovative, low-carbon water treatment solutions across the UK.
This is an exciting opportunity to play a key role throughout the full project lifecycle from concept and detailed design through to implementation while helping to develop the next generation of engineers.
What you'll be doing
As a Senior Mechanical Design Engineer, you'll:
✔ Lead the mechanical design of water treatment projects from concept through to delivery.
✔ Produce and review high-quality mechanical design deliverables.
✔ Ensure designs comply with client specifications, industry standards and regulatory requirements.
✔ Coordinate design reviews, checking and approval processes.
✔ Mentor and support junior engineers, helping to build a high-performing design team.
✔ Prepare work scope estimates and quotations.
✔ Champion health & safety, quality and environmental best practice.
✔ Collaborate with clients, project teams and key stakeholders.
✔ Manage design changes and support project programme delivery.
What we're looking for
You'll ideally have:
* Degree, HND or HNC in Mechanical Engineering (or equivalent).
* Chartered Engineer status (or working towards it) with a recognised professional body.
* Strong mechanical design experience within the municipal water or wastewater sector.
* Experience working within multidisciplinary engineering teams.
* Design management experience.
* Knowledge of programme and financial management.
* Experience across all project phases, including optioneering, FEED, detailed design, construction support and As-Built documentation.
* The ability to manage multiple projects simultaneously.
* A full UK driving licence.
What's in it for you?
* Competitive salary based on experience
* Car allowance
* Private healthcare
* 31 days annual leave, increasing to 33 days after two years' service
* Holiday Buy/Sell Scheme
* Company pension
* Professional membership fees paid
* Cycle to Work Scheme
* EV/Hybrid Car Lease Scheme
* Discounted gym membership
* Employee discount platform
* Structured career development with genuine opportunities for progression
* Access to occupational health services and mental health support
If you're looking to work on innovative engineering projects that make a lasting environmental impact, we'd love to hear from you.
Apply today or get in touch for a confidential conversation.
#MechanicalEngineering #DesignEngineering #WaterIndustry #WaterTreatment #MEICA #EngineeringJobs #SeniorEngineer #Sustainability #Hiring #UKJobs
Are you an experienced Mechanical Design Engineer looking to make a real impact on the future of the UK water industry?
We're looking for a Senior or Principal Mechanical Design Engineer to join our in-house design team, delivering innovative, low-carbon water treatment solutions across the UK.
This is an exciting opportunity to play a key role throughout the full project lifecycle from concept and detailed design through to implementation while helping to develop the next generation of engineers.
What you'll be doing
As a Senior Mechanical Design Engineer, you'll:
✔ Lead the mechanical design of water treatment projects from concept through to delivery.
✔ Produce and review high-quality mechanical design deliverables.
✔ Ensure designs comply with client specifications, industry standards and regulatory requirements.
✔ Coordinate design reviews, checking and approval processes.
✔ Mentor and support junior engineers, helping to build a high-performing design team.
✔ Prepare work scope estimates and quotations.
✔ Champion health & safety, quality and environmental best practice.
✔ Collaborate with clients, project teams and key stakeholders.
✔ Manage design changes and support project programme delivery.
What we're looking for
You'll ideally have:
* Degree, HND or HNC in Mechanical Engineering (or equivalent).
* Chartered Engineer status (or working towards it) with a recognised professional body.
* Strong mechanical design experience within the municipal water or wastewater sector.
* Experience working within multidisciplinary engineering teams.
* Design management experience.
* Knowledge of programme and financial management.
* Experience across all project phases, including optioneering, FEED, detailed design, construction support and As-Built documentation.
* The ability to manage multiple projects simultaneously.
* A full UK driving licence.
What's in it for you?
* Competitive salary based on experience
* Car allowance
* Private healthcare
* 31 days annual leave, increasing to 33 days after two years' service
* Holiday Buy/Sell Scheme
* Company pension
* Professional membership fees paid
* Cycle to Work Scheme
* EV/Hybrid Car Lease Scheme
* Discounted gym membership
* Employee discount platform
* Structured career development with genuine opportunities for progression
* Access to occupational health services and mental health support
If you're looking to work on innovative engineering projects that make a lasting environmental impact, we'd love to hear from you.
Apply today or get in touch for a confidential conversation.
#MechanicalEngineering #DesignEngineering #WaterIndustry #WaterTreatment #MEICA #EngineeringJobs #SeniorEngineer #Sustainability #Hiring #UKJobs