Principal Mechanical Design Engineer
Posted on Jul 27, 2026 by CV-Library
Popley, Hampshire, United Kingdom
Engineering
Immediate Start
Annual Salary
Full-Time
What Are We Looking For?
Owing to continued sustainable growth, our Chemical Dosing and Wastewater Solutions team is looking for a Principal Mechanical Design Engineer to join us on a permanent basis, and work as part of our in-house, multidisciplinary design team. You will take on a key role in all aspects of projects from scoping and detailed design right through to implementation, ensuring compliance with Client Specifications and current regulatory standards, with a strong focus on low carbon solutions.
Some of Your Key Duties Include:
Meeting with clients to discuss specific intervention requirements.
Leading the planning and implementation of projects in association with our Delivery Management teams.
Providing technical guidance on Mechanical matters to the wider project team and Senior Management.
Line management and development of mechanical engineers within your team
Taking the lead on the development of Mechanical design deliverables by you and your team.
Mentoring, identifying and developing the next generation of Mechanical Engineering talent.
Ensuring compliance with Client specification and current regulatory and industry standards.
What Do You Need?
Degree/HND/HNC in Mechanical Engineering or equivalent.
Chartered engineer with a relevant professional body is preferrable.
Mechanical design engineering experience within municipal water/wastewater treatment sector.
Design management/lead experience.
Programme/financial management experience.
Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable.
Possess the ability to work on multiple projects consecutively.
Full UK Driving Licence
Who Are We?
RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.
Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.
Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.
What RSE Offer
To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in such an innovative industry. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work in an environment that will require you to rise to the challenge of working for a market leader.
Industry leading salary
Company car allowance
A flexible career development path, with no restrictions on where your career can go
Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service
Holiday Buy / Sell Scheme
Company Pension Scheme
Car allowance
Cycle to Work
Discounted National Gym Membership
Professional Fees Paid
Employee Discount Platform
EV/Hybrid Car Lease Scheme
Access to our network of health professionals including mental health champions and occupational health nurse
In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.
If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply no
Owing to continued sustainable growth, our Chemical Dosing and Wastewater Solutions team is looking for a Principal Mechanical Design Engineer to join us on a permanent basis, and work as part of our in-house, multidisciplinary design team. You will take on a key role in all aspects of projects from scoping and detailed design right through to implementation, ensuring compliance with Client Specifications and current regulatory standards, with a strong focus on low carbon solutions.
Some of Your Key Duties Include:
Meeting with clients to discuss specific intervention requirements.
Leading the planning and implementation of projects in association with our Delivery Management teams.
Providing technical guidance on Mechanical matters to the wider project team and Senior Management.
Line management and development of mechanical engineers within your team
Taking the lead on the development of Mechanical design deliverables by you and your team.
Mentoring, identifying and developing the next generation of Mechanical Engineering talent.
Ensuring compliance with Client specification and current regulatory and industry standards.
What Do You Need?
Degree/HND/HNC in Mechanical Engineering or equivalent.
Chartered engineer with a relevant professional body is preferrable.
Mechanical design engineering experience within municipal water/wastewater treatment sector.
Design management/lead experience.
Programme/financial management experience.
Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable.
Possess the ability to work on multiple projects consecutively.
Full UK Driving Licence
Who Are We?
RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.
Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.
Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.
What RSE Offer
To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in such an innovative industry. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work in an environment that will require you to rise to the challenge of working for a market leader.
Industry leading salary
Company car allowance
A flexible career development path, with no restrictions on where your career can go
Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service
Holiday Buy / Sell Scheme
Company Pension Scheme
Car allowance
Cycle to Work
Discounted National Gym Membership
Professional Fees Paid
Employee Discount Platform
EV/Hybrid Car Lease Scheme
Access to our network of health professionals including mental health champions and occupational health nurse
In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.
If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply no
Reference: 225416648
https://jobs.careeraddict.com/post/113611121
Principal Mechanical Design Engineer
Posted on Jul 27, 2026 by CV-Library
Popley, Hampshire, United Kingdom
Engineering
Immediate Start
Annual Salary
Full-Time
What Are We Looking For?
Owing to continued sustainable growth, our Chemical Dosing and Wastewater Solutions team is looking for a Principal Mechanical Design Engineer to join us on a permanent basis, and work as part of our in-house, multidisciplinary design team. You will take on a key role in all aspects of projects from scoping and detailed design right through to implementation, ensuring compliance with Client Specifications and current regulatory standards, with a strong focus on low carbon solutions.
Some of Your Key Duties Include:
Meeting with clients to discuss specific intervention requirements.
Leading the planning and implementation of projects in association with our Delivery Management teams.
Providing technical guidance on Mechanical matters to the wider project team and Senior Management.
Line management and development of mechanical engineers within your team
Taking the lead on the development of Mechanical design deliverables by you and your team.
Mentoring, identifying and developing the next generation of Mechanical Engineering talent.
Ensuring compliance with Client specification and current regulatory and industry standards.
What Do You Need?
Degree/HND/HNC in Mechanical Engineering or equivalent.
Chartered engineer with a relevant professional body is preferrable.
Mechanical design engineering experience within municipal water/wastewater treatment sector.
Design management/lead experience.
Programme/financial management experience.
Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable.
Possess the ability to work on multiple projects consecutively.
Full UK Driving Licence
Who Are We?
RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.
Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.
Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.
What RSE Offer
To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in such an innovative industry. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work in an environment that will require you to rise to the challenge of working for a market leader.
Industry leading salary
Company car allowance
A flexible career development path, with no restrictions on where your career can go
Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service
Holiday Buy / Sell Scheme
Company Pension Scheme
Car allowance
Cycle to Work
Discounted National Gym Membership
Professional Fees Paid
Employee Discount Platform
EV/Hybrid Car Lease Scheme
Access to our network of health professionals including mental health champions and occupational health nurse
In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.
If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply no
Owing to continued sustainable growth, our Chemical Dosing and Wastewater Solutions team is looking for a Principal Mechanical Design Engineer to join us on a permanent basis, and work as part of our in-house, multidisciplinary design team. You will take on a key role in all aspects of projects from scoping and detailed design right through to implementation, ensuring compliance with Client Specifications and current regulatory standards, with a strong focus on low carbon solutions.
Some of Your Key Duties Include:
Meeting with clients to discuss specific intervention requirements.
Leading the planning and implementation of projects in association with our Delivery Management teams.
Providing technical guidance on Mechanical matters to the wider project team and Senior Management.
Line management and development of mechanical engineers within your team
Taking the lead on the development of Mechanical design deliverables by you and your team.
Mentoring, identifying and developing the next generation of Mechanical Engineering talent.
Ensuring compliance with Client specification and current regulatory and industry standards.
What Do You Need?
Degree/HND/HNC in Mechanical Engineering or equivalent.
Chartered engineer with a relevant professional body is preferrable.
Mechanical design engineering experience within municipal water/wastewater treatment sector.
Design management/lead experience.
Programme/financial management experience.
Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable.
Possess the ability to work on multiple projects consecutively.
Full UK Driving Licence
Who Are We?
RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.
Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.
Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.
What RSE Offer
To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in such an innovative industry. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work in an environment that will require you to rise to the challenge of working for a market leader.
Industry leading salary
Company car allowance
A flexible career development path, with no restrictions on where your career can go
Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service
Holiday Buy / Sell Scheme
Company Pension Scheme
Car allowance
Cycle to Work
Discounted National Gym Membership
Professional Fees Paid
Employee Discount Platform
EV/Hybrid Car Lease Scheme
Access to our network of health professionals including mental health champions and occupational health nurse
In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.
If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply no
Reference: 225416648
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