Dŵr Cymru Welsh Water
Senior Data Engineer
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
Job Requisition Number 8540
Work Type
Permanent
Job Function
Data / Knowledge Management
Salary Range
£47,492 - £54,618
Base
Linea
Closing Date
Thursday 16th July 2026 at 23:59
What you’ll be responsible for
- Mentoring and supporting Data Engineers within the team, helping ensure developed solutions are robust, efficient and add business value
- Designing and implementing data engineering projects on both on-premise and cloud based data stacks, delivering efficient solutions that comply with architectural and data security requirements
- Being able to work collaboratively as part of a team, whilst also being trusted to work individually where necessary. Approaching collaborative projects with others in a positive manner to problem-solve, and identify viable solutions to overcome issues and challenges
- Working closely with technical colleagues within key teams such as Integrated Technology Services (ITS) – to ensure relevant information technology components and services are in place to accommodate developed solutions.
- Remain aware of new data engineering approaches, and be able to suggest how the latest research, techniques and approaches could be implemented to achieve business benefits
- Undertaking any other duties as required to meet the needs of the business.
About You
- Relevant undergraduate degree (BSc) in computer science, mathematics or related discipline, relevant long-term experience or MCSA/MTA certification.
- Around 5 years’ experience in any of the following or related fields: database management, data architecture, data platform management
- At least 2 years’ experience using cloud-based data stack (e.g. Azure, AWS, GCP)
- Enthusiastic about putting our customers first every day
- Substantial experience of data pipeline design and management
- Good understanding of database administration activities and principles
- Good understanding of typical ingestion patterns (e.g. ETL, ELT) and their effective implementation with on-premise and cloud-based environments
- Knowledge of typical data modelling approaches (e.g. Kimball)
- Data transformation approaches
- Strong Python and SQL programming capabilities
- Experience using the Microsoft data stack (especially Azure Data Lake, Azure Synapse, Azure Data Factory)
- Data security approaches – e.g. permission models (AD, role-based etc.) and techniques to protect data in certain circumstances (e.g. encryption, masking)
- Understanding of DevOps (or other source control technologies) – particularly code repositories and version control, containerisation methodologies, and application deployment practices (CI/CD pipelines)
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Good to know
- Hybrid role. Visits to the Cardiff office when required.
- Flexibility on core hours.
If you would like further information on this role, please contact Craig.Hodges@dwrcymru.com
Benefits
As well as a market competitive salary, 34 days annual leave (pro rata, including public holidays), we offer a range of employee benefits and rewards including:
- Variable pay schemes (your salary will always stay the same, but depending on the performance of the company you could receive a yearly bonus)
- Enhanced employer pension contributions – Up to 11% employer contributions
- Enhanced family friendly policies
- Progression opportunities, including the ability to apply for funded training and coaching and mentoring programmes
- Reduction on gym memberships and high street shopping
- Cycle to work scheme
- Car-leasing scheme
- Health CashBack scheme
- An employee assistance programme for employees and their immediate family
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Whilst also working for a not-for-profit company that truly cares about earning the trust of customers everyday, and about looking after our beautiful environment.
Who we are
Dŵr Cymru Welsh Water keep 3 million people healthy each day with safe, reliable water, and take away wastewater to clean, before returning it safely to our beautiful rivers and seas.
To be able to deliver high quality, essential services which help to protect the health of our customers, colleagues and our environment, we need the right people to deliver on our vision. This is achieved by living our core values and demonstrating the core behaviours that underpin them. The security of our people, assets and information is key to us, so we are looking for people who understand and comply with the company’s required security objectives.
We know that the most successful teams are the most diverse teams. Equality, diversity and inclusion provide the very foundation to our culture at Welsh Water. We want every individual to feel confident, proud and able to bring their whole selves to work.
To ensure an improved representation in our workforce, applications are particularly welcome from minority groups including Black, Asian and Minority Ethnic people, Females, LGBT+, Non-binary and people with disabilities. Together we continue to build a workplace that not only celebrates the diverse voices of our colleagues but also represents each customer we serve.
In essence, ours is a company based on trust, openness, respect, commitment and honesty. A company that our colleagues are proud to work for.
Dŵr Cymru Cyf, a limited company registered in Wales No. 2366777. Registered office: Linea, Fortran Road, St. Mellons, Cardiff CF3 0LT
© Dŵr Cymru Cyf 2019.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills
Location