Senior Service Reliability Engineer

• You will conduct SRE and Disaster Recovery (DR) maturity assessments
• You will engineer automation solutions using Ansible to replace manual workflows
• You will own and manage the current manual Disaster Recovery process/pipeline
• You will improve site reliability through mechanisms and architectures that enhance fault tolerance and reduce MTTR/MTTD
• You will drive the integration of observability automation into the CI/CD pipeline
• You will handle production incidents, lead client communication, and create root cause analysis documentation
• You will monitor performance of production systems and improve scaling to meet SLA and SLO targets
• You will work closely with application development teams to advise and implement reliability improvements
• You will improve system observability across logging, metrics and alerting, reducing false alarms to eliminate unnecessary toil and improving overall process efficiency, while implementing chaos engineering practices to regularly validate system reliability
• You have a clear understanding of client goals and business needs, setting direction for site reliability in alignment with business expectations - including high availability targets such as 99.999% with minimal/no disruption where required.

• You have expertise in Ansible orchestration including advanced strategies, failure logic handling, and Jinja2 templating
• You have the ability to integrate Terraform with Ansible for seamless provisioning-to-configuration workflows
• You have hands-on experience with Python, Go, Bash or PowerShell scripting
• You have working knowledge of at least one public cloud (AWS/Azure/GCP)
• You have experience with observability tools (Grafana, Datadog, NewRelic, ELK, Dynatrace, etc.) and can use data for RCA
• You have familiarity with DevOps, SRE and GitOps concepts and practices
• You have knowledge of container technologies and orchestration (Kubernetes, EKS, Docker Swarm, Nomad, etc.)
• You have understanding of modern architecture (microservices, serverless, NoSQL, REST APIs) and experience debugging and building metrics/dashboards
• You have experience designing infrastructure aligned with Cloud Well-Architected principles (reliability, security, cost, performance, operations)
• You are able to mentor team members through workshops and knowledge enablement
• You are able to create comprehensive documentation and runbooks
• You have strong communication and articulation skills in English
• You have strong collaboration and negotiation skills with client and cross-functional teams
• You have a resilient problem-solving mindset and don’t give up easily when debugging issues
• You can remain calm and composed during high-pressure production incidents
• You can recommend improvements backed by strong technical reasoning
• You can understand both business and technical requirements and break them down into deliverables
• You have strong ownership and willingness to take responsibility beyond strict role boundaries
• You are willing to participate in rotation-based or need-based 24x7 availability support
• Candidates must be Singaporean citizens or already hold Singaporean Permanent Residency (PR) at the time of application.

Learning & Development: There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.