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- Tasks: Join us to ensure data quality through testing and collaboration with diverse teams.
- Company: Telefónica Tech, a leading NextGen Tech solutions provider with a global presence.
- Benefits: Inclusive culture, diverse teams, and opportunities for professional growth.
- Other info: Embrace diversity and be part of a team that values your authentic self.
- Why this job: Make an impact in digital transformation while working with cutting-edge technologies.
- Qualifications: 5+ years in ETL testing, experience with Azure and Python preferred.
The predicted salary is between 50000 - 60000 £ per year.
Company Description
Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities. We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany. The Telefónica Tech UK&I hub has an end-to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI (Adatis), Enterprise Applications (Incremental), Workplace Services and Cyber Security & Networking.
Values: Open, Trusted and Bold
Trusted Partners:
- Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner
- HPE: Platinum Partner – FY23 UK&I Solution Provider of the Year
- Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio
- Fortinet: Elite VIP Program – one of only 2 in the UK
- AWS: Advanced Solution & Managed Service Provider Program
Job Description
The Data Quality Analyst is accountable for the design and operational execution of the Data Quality framework, as well as coordination across all technical and business resources throughout the test. Responsibilities include creation and maintenance of quality assurance testing deliverables and assisting in delivery activities.
GENERAL RESPONSIBILITIES
- Analysing Business requirement for completeness and accuracy
- Analysing Business requirements against the technical specifications (data modelling)
- Creating high level test scenarios
- Creating manual test cases
- Developing validation scripts for automated execution, while creating actionable data quality reports that measure trends over time.
- Developing yaml code to create DevOps pipelines and maintain them
- Analysing test outputs and reporting defects
- Working closely with Business Analysts, Data Analysts/Scientists, Development, and Product Owners to ensure data housed in multiple source systems is valid and accurate.
- Participating in defect triage and sprint ceremonies
- Candidate will be involved in both automated and manual ETL testing across multiple scrum teams, although most of the testing will be automated
- Participation in architecting the logical design of data quality practices with the technical team, including DQ design and specifications, data modelling, and documentation of logical processing flows.
- Agile testing.
- Developing documents and implementing data quality standards.
- Regularly reviewing and interpreting QA results and findings with limited support from senior leadership.
Technical Skills
- Azure Data bricks
- Azure ADF
- Azure DevOps
- SQL
- DAX
- Javascript/Typescript
- Python/Pyspark
- YAML
- Powershell
Qualifications
- Key Skills - Must have: Experience in test management tools – Devops, JIRA
- Must have: Experience in source control repositories – git (github and bitbucket)
- Nice to have: Experience in Azure Databricks, Python/Pyspark, YAML and SQL queries - ability to analyse data in a Data Warehouse environment.
- Nice to have: Experience in understanding and writing DAX queries.
- Nice to have: worked on testing reports (Power BI/ Tableau)
- Good understanding of the framework of ETL
- Experience working in a Scrum / Agile environment.
Minimum Requirements:
- At least 5+ years related experience or equivalent combination of education and Consulting experience.
- At least 5 years’ experience in large scale system implementation efforts following a standard software development lifecycle approach (scrum desired).
- Experience with ETL testing
- Ability to automated ETL tests using Pyspark/Python
- Ability to write manual test cases from business requirements and technical specifications.
- Ability to create data bricks notebooks to automate the manual tests.
- Ability to create and run Test pipelines and interpret the results.
- Ability to test complex reports and write queries to check each metrics.
- Strong oral and written communications skills.
Additional Information
At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves. We celebrate and respect our differences because diversity drives innovation and makes us stronger. Be yourself with us, and feel that you belong. We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation. We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE (African and Caribbean heritage network), and Sustainability. We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch.
ETL Test Engineer in London employer: Telefonica Tech
Contact Detail:
Telefonica Tech Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land ETL Test Engineer in London
✨Tip Number 1
Network like a pro! Reach out to current or former employees at Telefónica Tech on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the interview by brushing up on your technical skills. Since you'll be working with Azure, SQL, and Python, make sure you can talk confidently about your experience and how it relates to the role.
✨Tip Number 3
Show off your problem-solving skills during the interview. Be ready to discuss specific challenges you've faced in ETL testing and how you tackled them. This will demonstrate your hands-on experience and critical thinking.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining the Telefónica Tech team.
We think you need these skills to ace ETL Test Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that match the ETL Test Engineer role. Highlight your experience with Azure, SQL, and any relevant testing tools. We want to see how you fit into our team!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about data quality and how your background makes you a great fit for Telefónica Tech. Let us know what excites you about this opportunity!
Showcase Your Technical Skills: Don’t forget to mention your experience with DevOps, JIRA, and any programming languages like Python or Pyspark. We love seeing candidates who can demonstrate their technical prowess in their applications!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at Telefonica Tech
✨Know Your ETL Basics
Make sure you brush up on your ETL concepts and frameworks. Understand the end-to-end process, as well as the specific tools mentioned in the job description like Azure Data bricks and SQL. Being able to discuss these confidently will show that you're ready for the role.
✨Prepare for Technical Questions
Expect technical questions related to test management tools, DevOps, and coding in Python/Pyspark. Practise writing sample test cases and validation scripts beforehand. This will help you articulate your thought process during the interview.
✨Showcase Your Agile Experience
Since the role involves working in a Scrum/Agile environment, be prepared to discuss your previous experiences in such settings. Share specific examples of how you've contributed to sprint ceremonies or defect triage, highlighting your collaborative skills.
✨Ask Insightful Questions
At the end of the interview, don’t forget to ask questions! Inquire about the team dynamics, the tools they use, or how they measure data quality success. This shows your genuine interest in the role and helps you assess if it's the right fit for you.