TCS is a purpose-led transformation company, built on belief. We don’t 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 opportunities to make an impact that matters, through challenging projects which demand ambitious innovation.
The role
The Foundry Testing Engineer is responsible for ensuring the quality, reliability, and performance of semiconductor devices manufactured at the foundry. The role involves wafer sort, final test, yield analysis, test program development, and close collaboration with design, process, and manufacturing teams to optimize test coverage and production yield
Key Responsibilities
Test Development & Execution
- Develop, debug, and maintain ATE test programs for wafer sort and final test
- Define test flows, limit setting, binning strategies, and fault coverage
- Support new product introduction (NPI) testing activities
Manufacturing & Operations Support
- Execute and monitor wafer probing and final test operations
- Investigate and resolve test-related failures, yield loss, and test escapes
- Support high-volume manufacturing (HVM) testing
Yield & Failure Analysis
- Analyze test data to identify yield trends, anomalies, and root causes
- Work with process and device teams to drive yield improvement initiatives
- Perform correlation between wafer sort, final test, and reliability data
Equipment & Tool Management
- Work with ATE platforms (e.g., Teradyne, Advantest)
- Support test hardware: probe cards, load boards, sockets
- Coordinate equipment qualification, calibration, and change management
- Interface with design, DFT, process, and reliability teams
- Prepare test documentation, reports, and transition packages
- Support customer audits and quality reviews when required
Your Profile
Technical Skills
- Strong knowledge of semiconductor devices and fabrication processes
- Experience with DFT concepts (Scan, JTAG, BIST, etc.)
- Proficiency in at least one ATE platform:
- Data analysis using Python, JMP, Excel, or SQL
- Understanding of yield analysis, SPC, and test coverage metrics
Soft Skills
- Strong analytical and problem-solving skills
- Ability to work in cross-functional and cross-site teams
- Clear technical communication and documentation skills
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.
At TCS, we believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity motto is ‘Inclusion without Exception’.
You’ll find a welcoming culture and many internal volunteering and social networks to join. Our diversity, inclusion and social activities include LGBTQ+ and mental health networks, as well as health and wellness initiatives and sports events (we even sponsor the London Marathon).
TCS celebrates inclusion without exception. We are open to all and treat applications equally, regardless of ethnicity, disability, gender, age, sexual orientation or beliefs.
If you are an applicant who needs an accommodation due to a disability to complete an employment application, or during any phase of the hiring process, please contact us at ansah.steve@tcs.com with the subject line: “Disability Accommodation Request”.
Due to a 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.
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