Site Reliability Engineer

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.Rooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.Site Reliability Engineer (SRE)
Key Responsibilities
Own end-to-end monitoring of CDN and edge configurations, DNS, certificates, cache health, invalidation processes, and third-party integrations.Build and maintain synthetic monitoring solutions from external networks to proactively identify CDN, DNS, and certificate-related issues.Execute smoke testing for dependent interfaces during deployments and maintain automation frameworks supporting these validations.Participate in on-call rotations and lead incident management activities for customer-facing production issues.Manage vendor escalation processes, including severity mapping, evidence collection, stakeholder communication, and issue resolution tracking.Troubleshoot and resolve content visibility issues, cache invalidation failures, and authoring-source outages.Enable service desk teams with diagnostic capabilities and operational documentation.Change & Release Reliability
Design and manage change management processes aligned with Git-based deployment models and organizational change control requirements.Own release governance, including branch protection, code quality checks, performance validation, and secret-scanning controls.Develop and maintain rollback strategies, including revert, republish, and purge procedures with defined recovery objectives.Support large-scale content publishing operations by ensuring proper approvals, auditability, and release reliability.Maintain deployment standards and ensure production changes are traceable and compliant.Continuously improve release processes, automation, and operational readiness.Required Skills
Strong experience in Site Reliability Engineering (SRE), Production Support, or Application Support.Expertise in CDN technologies, DNS management, SSL/TLS certificates, cache management, and web platform operations.Experience with synthetic monitoring, observability, and incident management.Strong knowledge of Git-based source control, CI/CD pipelines, and release management.Experience with smoke testing, automation frameworks, and production validation.Knowledge of vendor management and third-party service integrations.Strong troubleshooting, root cause analysis, and problem-solving skills.Experience working in Agile/Scrum environments.Availability to participate in on-call support rotations.Salary Range - CA$ 90,000 - CA$ 110,000 Per Year
Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.
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