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Job Type: Permanent
Location: Letterkenny GDC, Co. Donegal (Hybrid – minimum 3 days onsite per week)
Do you have strong experience in technical QA, automation and data testing?
Are you someone who enjoys asking the right questions, identifying risks early and helping teams deliver with confidence?
Make your mark at TCS as a
Senior Technical QA / Automation Engineer.
Join a global tech leader right here in Donegal. With over 850 employees and a state-of-the-art global delivery centre, we’re proud to offer world-class career opportunities without having to leave the Northwest. Recognised as Workplace of the Year by the Letterkenny Chamber, we foster a culture of continuous learning, innovation, and respect. Our people are at the heart of everything we do – collaborating across teams, geographies, and disciplines to drive real change for clients around the world. Be part of something global, grounded in Donegal.
TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.
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Join a leading global IT services organisation.
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Be part of an exciting team where you will be challenged every day.
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Gain exposure to innovative technology.
The Role
We are looking for a
Senior Technical QA / Automation Engineer to join a fast-paced Data and Technology delivery team. This is a hands-on role for someone who enjoys technical testing, automation, data validation and working closely with business and technology teams.
You will help shape the testing approach, review requirements, understand business context, validate data and integrations, and clearly communicate quality risks before release. The role suits someone proactive, practical and confident, with the ability to work across different priorities while keeping quality and delivery in focus.
Key Responsibilities:-
Own QA activities for assigned work from requirement review through to release readiness.
- Review user stories and requirements to understand business context, risks, dependencies and downstream impacts.
- Design and execute clear test scenarios covering functional, integration, regression, data and edge-case testing.
- Perform SQL, backend database, data validation and ETL/ELT testing, including reconciliation and source-to-target checks.
- Build, maintain and improve automated tests using Selenium and related automation practices.
- Perform API and integration testing, and support investigation of issues using logs, data checks and technical analysis.
- Ask questions, validate assumptions and raise risks early when requirements, test coverage, environments or timelines are unclear.
- Clearly communicate test progress, defects, blockers, release confidence and any remaining quality risks.
- Take part in Agile ceremonies, including refinement, sprint planning, stand-ups, defect triage and release discussions.
- Support colleagues through knowledge sharing, constructive feedback and a strong team-first approach.
Your Profile
Essential skills/knowledge/experience:-
8+ years of experience in software testing, quality engineering or a similar technical QA role.
- Strong experience in data testing, backend testing, SQL validation and ETL/ELT testing.
- Hands-on experience with test automation, ideally using Selenium and automation frameworks.
- Good understanding of API testing, integration testing, regression testing and defect management.
- Ability to read and understand code, particularly Python and/or Java, to support troubleshooting and technical discussions.
- Comfortable working with Unix/Linux commands, logs and basic investigation activities.
- Strong understanding of SDLC, Agile delivery, Jira and Confluence.
- Good critical thinking skills, with the ability to consider broader business impact, edge cases and production risk.
- Confident communicator who can ask clear questions, challenge assumptions professionally and raise concerns early.
- Strong ownership, organisation and prioritisation skills, especially when managing multiple work items or business areas.
- Willingness to use AI-enabled tools responsibly to improve productivity, analysis, documentation or testing effectiveness.
Desirable skills/knowledge/experience:
- Experience in Financial Services, Asset Management, Banking, Capital Markets or another data-driven enterprise environment.
- Previous experience as a Senior QA, QA Lead, Automation Lead or mentor to other testers.
- Experience testing data feeds, reporting processes, audit trails, market data or complex downstream data processes.
- Exposure to cloud platforms such as AWS or Azure.
- Experience with CI/CD, DevOps practices or continuous testing approaches.
- Relevant certifications such as ISTQB, Agile/Scrum, AWS, Azure or automation-related certifications.
Rewards & Benefits
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop and access to extensive training resources and discounts within the larger Tata network.
We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon and partner with our local communities in Ireland.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts 1998-2011 (as amended) and the Equal Status Acts 2000-2012 (as amended).
We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.
As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at
[email protected] if you would like to opt in.
If you are an applicant who needs any adjustments to the application process or interview, please contact us at
[email protected] with the subject line: “Adjustment Request” or email
[email protected] to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.
Beware of Fraudulent offers
This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to
[email protected] to report any fraudulent activity.
Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.
Join us and do more of what matters. Apply online now. 