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Role: Site Reliability Engineer
Job Type: Permanent
Location: London/Edinburgh, UK
Number of hours: 40 hours per week – full time
Ready to apply your experience and expertise in Site Reliability Engineering?
We have an exciting opportunity for you — Site Reliability Engineer
Careers at TCS: It means more
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.
- Collaborate within dynamic, high‑performing engineering teams.
- Tackle technical challenges that demand innovation and resilience.
- Deliver impactful solutions that help shape large‑scale digital platforms.
The Role
As a Site Reliability Engineer, you will combine software engineering and operations expertise to ensure platforms are scalable, resilient and highly available. You will lead automation initiatives, enhance observability, support production systems and collaborate closely with engineering and operations teams to drive continuous improvement across reliability, performance and stability.
Key responsibilities:
- Design and develop dashboards to monitor application health, performance and key metrics.
- Implement SLAs, SLOs and SLIs across microservices and data pipelines.
- Support large‑scale systems handling high traffic volumes, ensuring availability and resilience.
- Automate monitoring, alerting, reporting and observability workflows.
- Collaborate with engineering, operations and business teams to ensure platform stability.
- Analyse performance trends and provide recommendations for continuous improvement.
- Support capacity planning, disaster recovery and compliance activities.
- Implement tooling for improved incident triage, granular alerting, runbooks and auto‑remediation.
Your Profile
- Strong experience in Site Reliability Engineering and production support.
- Expertise with Dynatrace monitoring and observability tooling.
- Experience designing journey‑level metrics and synthetic monitoring (canaries) in test/production.
- Strong understanding of SLIs, SLOs, error budgets and availability modelling.
- Experience implementing SRE practices in regulated environments (e.g., banking, payments).
- Experience working with engineering teams to identify pain points and reduce MTTR/MMTD.
- Experience with additional observability tools or service‑mesh architectures.
- Strong stakeholder‑communication and coordination 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.
We offer health & wellness initiatives and sports events; we are the proud sponsor of the London Marathon.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.
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 UKI.recruitment@tcs.com 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 UKI.recruitment@tcs.com with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.
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