Senior Test Automation Engineer (Data) in Cardiff
New Today
Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.
We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.
Job DescriptionSenior Test Automation Engineer (Data Platform)Overview
We're looking for a Senior Test Automation Engineer to join a growing data-focused engineering capability, working within a newly formed agile squad. This is a senior individual contributor role, offering technical ownership and influence across engineering practices, without direct line management responsibilities.
Key Responsibilities
Design, develop, and maintain robust test automation solutions, primarily using Python
Contribute to data pipeline and ETL testing strategies, ensuring high data quality and reliability
Work within an agile squad, collaborating closely with engineers, analysts, and stakeholders
Advocate for and implement non-functional testing (e.g. performance, scalability), promoting a shift-left approach
Support and mentor junior engineers, providing technical guidance across squads
Contribute to CI/CD pipelines, improving automation integration and delivery efficiency
Engage with senior stakeholders, influencing technical decisions and best practices
Assist in evolving legacy automation frameworks toward modern solutions
Required Skills & Experience
Strong Python engineering experience, specifically for test automation
Solid background in Java development
Experience working with CI/CD pipelines (Azure )
Hands-on experience with ETL processes and data workflows
Cloud platform experience (Azure, GCP, or AWS)
Proven experience in non-functional testing, including performance testing (e.g. JMeter or similar tools)
Experience working in agile delivery environments
Ability to mentor and support junior team members
Excellent stakeholder engagement and influencing skills
Desirable Experience
Experience with Azure or GCP ( over AWS)
Exposure to data pipeline development
Familiarity with Selenium (legacy frameworks)
Experience with BDD tools such as Cucumber
Experience working with distributed teams (e.g. UK/India collaboration)
Previous experience coaching or mentoring engineers
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.
- Location:
- Cardiff
- Job Type:
- FullTime
- Category:
- Engineer, Data, Senior, Test, Automation, Automation Engineer, Engineering