Performance Test Engineer

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 Senior Performance Test Engineer is responsible for ensuring that applications and platforms meet performance, scalability, stability, and reliability requirements under expected and peak workload conditions. The role requires extensive experience with LoadRunner/Performance Centre, strong knowledge of performance testing methodologies,

and the ability to work closely with business, architecture, development, and infrastructure teams to identify and mitigate performance risks early in the delivery lifecycle.

Key responsibilities:

• Understands performance test requirements and prepare test plan
• Creates and updates performance test scripts and test data
• Able to conduct performance test execution and analyze the test results
• Able to identify Performance bottlenecks and effectively communicate the performance risks to respective project team
• Prepare Performance Test Summary report
• Identifies risk and issues, and develops effective mitigation and contingency plans
• Produces daily and weekly status reports
• Responsible for keeping knowledge repositories up to date
• Responsible for end-to-end performance test delivery for assigned Applications

Key Skills/Knowledge

• Experience in delivering non-functional test engagements, covering requirement gathering, workload model preparation, test planning, scripting using Web HTTP/HTML, TruClient, and web services, test execution, monitoring, and in-depth performance results analysis.
• Experience in Testing tools and technologies like Performance Centre, LoadRunner, MuleSoft, Tibco, Mule ESB, APM tools like Dynatrace/ App Dynamics.
• Proven capability in setting up performance testing frameworks and standards
• Hands-on experience delivering performance testing across both cloud‑based and legacy environment
• Must have worked in Agile teams, should be well versed in agile framework
• Strong stakeholder management, workshop facilitation, and communication skills
• Good interpersonal and communication skills with team members and UK customers

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 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.