Senior Mechanical Engineer (Water)

Do you have what it takes to transform society?

We are currently looking for a talented and motivated Senior Mechanical Engineer to join our design team in Leeds as part of a multi\-disciplinary department providing detailed designs for water related projects in the UK. This role can be worked flexibly with a minimum of 3 days per week in the office and the option of adjusted start and finish times.

Sweco have over 22,000 designers, engineers and consultancy experts across the UK and Europe and, together with our clients, we co\-create solutions that address urbanisation, capture the power of digitalisation and make our societies more sustainable.

Our water teams have a global knowhow of industry leading technologies and are providing skills and inventive solutions across the full spectrum of lifecycle services in both water engineering and wider water management. These abilities are recognised by our clients, evidenced not least in our work on AMP8 Frameworks.

We’ll support you to continue to develop your technical expertise so that you can become a real difference maker and develop sustainable and innovative solutions to address these issues. You’ll join a growing team of Engineers working together towards the best client outcomes.

We are looking for individuals who can challenge conventional thinking and work collaboratively to meet a wide range of business, environment and regulatory challenges for these clients. The role offers an opportunity for successful candidates to broaden and diversify their expertise.

What does the role involve?

• Leading the delivery of feasibility, optioneering, outline and detailed mechanical design packages for water and wastewater projects.


• Producing and checking mechanical design deliverables including P\&IDs, calculations, specifications, datasheets, schedules, procurement documentation and technical reports.


• Taking responsibility for the technical quality and coordination of mechanical design outputs.


• Acting as discipline lead on projects and coordinating activities with process, civil, and electrical teams.


• Participating in design reviews, constructability reviews, hazard studies and ALMs.


• Leading the identification, assessment and management of design risks and ensuring compliance with CDM requirements.


• Providing technical support during procurement, construction, commissioning and handover phases.


• Reviewing contractor and supplier submissions and responding to technical queries.


• Developing effective relationships with clients, contractors, suppliers and key stakeholders.


• Providing technical guidance, mentoring and development support to junior engineers.


• Supporting business development activities, bid preparation and work\-winning initiatives.


• Ensuring design outputs are delivered in accordance with agreed scope, programme, budget and quality requirements.

• A degree in Mechanical Engineering (or equivalent).


• Chartered Engineer or Incorporated Engineer status with the IMechE.


• Extensive knowledge and experience of mechanical design for the water industry.


• The ability to work with engineers from all disciplines and other industry professionals to optimise and develop bespoke and innovative designs.


• Experience in the delivery of water designs and specifications on water related projects for Water Companies, Contractors and industry.


• An appreciation of the implications of works on the environment and knowledge of sustainable solutions, water and wastewater processes and health and safety legislation.

This is an exciting time to join Sweco, and if you want to be part of a company who is small in all the best ways but large enough to provide a diverse and exciting workload, this may be the job for you.

If you believe you have the skill set required, are keen to join a business with genuine opportunities for career progression, then we’d love to hear from you.

Let’s transform society together!

Employee Benefits

• Flexible and hybrid working (Flexworks Policy)


• Competitive pension contribution


• Life Assurance


• Private Medical Insurance


• Discretionary Annual Bonus Scheme


• Payment of two relevant professional subscriptions


• 25 days holiday plus bank holidays (with the option to purchase up to 5 additional days per year)


• Cycle2Work Scheme


• Employee Assistance Programme (wellbeing, mental health, financial and work advice)


• Employee discounts via Sweco Benefit Select (Faircare)


• Salary Sacrifice Electric Vehicle Scheme


• We plant a tree for all new starters!

Transforming society together, we're planning and designing sustainable communities and cities of the future.

Solving the great societal challenges of our time is more relevant, demanding and inspiring than ever before. At Sweco, we bring together experts with different perspectives and skills to develop solutions that address the challenges of urbanisation, harness the positive power of digitalisation and make societies more sustainable.

We offer our clients a combination of global expertise and local presence, adapted to their business and reality. Our ambition is to be our clients’ most relevant partner, working together to help them solve their challenges, today and into the future.

Sweco is committed to enabling all its colleagues to achieve a great balance between work and their other priorities, such as caring responsibilities, leisure activities, further learning or other interests. We offer flexible start and finish times, part time and hybrid working options so that you can flex your hours around your day to day needs.

Equality, Diversity \& Inclusion

It’s important to us that that all our colleagues thrive at work \- we strive to have a friendly and inclusive culture which respects the contribution individuals can bring to Sweco. We aim to promote equality, inclusivity and diversity for everyone.

Here at Sweco we positively encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity.

We have signed the Armed Forces Covenant to ensure those who serve or have served, and their families, are treated fairly. To find out more The Armed Forces Covenant \- Our Commitments \| Sweco UK.

We are an accredited Real Living Wage Employer which reflects our commitment to fair pay and support for all colleagues.

We are also proud to be a Disability Confident Committed employer, and will interview applicants covered by the Equality Act 2010 that opt into the guaranteed interview scheme on the application form and meet the minimum criteria for the role.

If I have a disability, can I get help (e.g. “reasonable adjustments”) with the application process?

If you’re an applicant with a disability that requires a reasonable accommodation to complete any part of the application process or are limited in the ability or unable to use the online application system and need an alternative method for applying, please contact GB\_Function\-HR\-Resourcing@sweco.co.uk for assistance.

In order to address your request the following information is needed:

Name

The best method for contacting you (Phone or email)

The position title

Requisition/vacancy number

Upon receipt of this information, we’ll respond to you promptly to obtain more information about your request.

Please note: we reserve the right to close vacancies before the advertised closing date.

Sweco UK\&I have an internal resourcing team who are responsible for all recruiting activity. We have a Preferred Supplier List of trusted agencies who we work with on those “hard to fill” roles.

We have defined processes for recruitment applications and it is company policy not to accept speculative CVs. Any speculative CVs received into the business (whether to a manager or member of the resourcing team) will become the property of Sweco and the agency will not be eligible for an introductory fee.

Our Preferred Supplier List was reviewed in November 2025 and we are not looking to add any additional agencies. We’ll be reviewing the PSL again at the end of 2026 and non\-compliance with the above statements could be detrimental to you having the opportunity to be included.

Our Talent Community for experienced professionals is a great way to keep up to date with our latest news, insights, future vacancies, as well as gaining access to exclusive events hosted by our experts.

To learn more Join Our Talent Community \- Sweco United Kingdom

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