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Reliability","description":"<p><strong>ABOUT THE ROLE:</strong></p><p>The Senior Site Reliability Engineer owns the availability, performance, and scalability of production systems at TMUS Global Solutions. You will drive the engineering discipline that bridges software delivery and operations — eliminating toil through automation, raising the reliability bar through rigorous SLO/SLI frameworks, and embedding security and observability into every layer of the stack. You will be a force multiplier for the team: setting technical direction, leading incident response, and mentoring engineers to build a culture of ownership and continuous improvement.</p><p><strong>WHAT YOU'LL DELIVER:</strong></p><ul><li>Own end-to-end CI/CD pipeline design and reliability — from commit to production — using GitLab CI/CD and GitHub Actions, cutting deployment lead times and failure rates.</li><li>Define and enforce SLOs, SLIs, and error budgets; translate reliability targets into engineering decisions that directly impact customer experience.</li><li>Drive incident command for P1/P2 events: lead root-cause analysis, author blameless postmortems, and ship permanent fixes that move the needle on MTTR.</li><li>Build production-grade observability — distributed tracing, metrics pipelines, and structured logging — using Open Telemetry, Prometheus/Grafana, Splunk, and AppDynamics.</li><li>Architect and maintain infrastructure as code (Terraform, Ansible) for cloud-native environments on AWS — RDS, DynamoDBs, OpenSearch, Redshift etc— with reproducibility and drift detection built in.</li><li>Harden the platform end-to-end: IAM least-privilege, network segmentation, zero-touch secrets management (Vault / AWS Secrets Manager), and container image security scanning.</li><li>Champion GitOps and progressive delivery patterns (GitlabCD, feature flags, canary / blue-green deployments) to reduce blast radius and accelerate safe releases.</li><li>Reduce operational toil by ?20% per quarter through targeted automation, self-healing runbooks, and platform abstractions that empower development teams.</li><li>Mentor junior and mid-level SREs; establish engineering standards, runbooks, and on-call practices that scale with the team.</li></ul><p><strong>WHAT YOU'LL BRING:</strong></p><ul><li>6+ years of progressive experience in SRE, DevOps, or cloud infrastructure engineering, with demonstrated ownership of production systems at scale.</li><li>Deep Kubernetes expertise: helm charts, workload tuning, RBAC, network policies, and service mesh (Istio / Linked).</li><li>Hands-on Terraform and Ansible at production scale — modules, state management, drift remediation, and CI-integrated plan/apply workflows.</li><li>Proven observability engineering: you have built telemetry pipelines, authored meaningful dashboards, and used data to justify reliability investments. Experience with Open Telemetry, Prometheus, Grafana, Splunk, and SignalFX.</li><li>Demonstrated cloud security experience across multiple layers — network (VPC, security groups, WAF, firewall), identity (IAM, OIDC, SAML), OS hardening, and application-level controls (certificates, API gateway, mTLS).</li><li>Strong scripting and automation skills (Python, Bash, Go) to eliminate toil and build internal tooling.</li><li>Experience with GitOps workflows and progressive delivery tools (GitlabCD); comfort with canary, blue-green, and feature-flag release strategies.</li><li>Track record of leading incident response at P1/P2 severity — on-call experience, structured postmortems, and measurable MTTR improvements.</li><li>Strong communication skills: able to translate reliability risks into business impact and influence engineering decisions across teams.</li><li>Bachelor's degree in computer science, Software Engineering, or related field; master's preferred. AWS certifications (Solutions Architect, DevOps Engineer) a plus</li></ul><p><strong>MUST-HAVE SKILLS:</strong></p><ul><li><strong>Cloud Platform:&nbsp;</strong>AWS (EKS, ECS, Lambda, RDS, CloudWatch, IAM)</li><li><strong>Container Orchestration:&nbsp;</strong>Kubernetes — production-grade cluster operations, RBAC, network policies</li><li><strong>IaC &amp; Configuration:&nbsp;</strong>Terraform (required), Ansible; GitOps-first approach</li><li><strong>CI/CD &amp; SCM:&nbsp;</strong>GitLab CI/CD, GitHub Actions; pipeline-as-code, reusable templates</li><li><strong>Observability:&nbsp;</strong>Open Telemetry, Prometheus, Grafana, Splunk, SignalFX — tracing, metrics, logs</li><li><strong>Security:&nbsp;</strong>Multi-layer: IAM, VPC/security groups, WAF, certificates, secrets management (Vault / AWS SM), container scanning</li><li><strong>Reliability Practice:&nbsp;</strong>SLO/SLI definition, error budget management, blameless postmortems, chaos/fault injection</li><li><strong>Progressive Delivery:&nbsp;</strong>ArgoCD / Flux, canary &amp; blue-green deployments, feature flags</li><li><strong>Scripting:&nbsp;</strong>Python, Bash, Go for automation and tooling</li></ul>","employment_type":"Full-Time","industry":"","job_template":false,"country":{"name":"India","country_code":"IN","region":"Asia"},"is_job_displayable":true,"job_url":"https://talent500.com/jobs/t-mobile/sr-engineer-site-reliability-hyderabad-T500-27120","created_at":"2026-06-29T13:53:06.926996+05:30","updated_at":"2026-07-26T21:45:44.216664+05:30","title_alias_1":"Sr Engineer, Site Reliability","slug":"sr-engineer-site-reliability-hyderabad-T500-27120","summary":null,"typical_workday":null,"what_you_offer":null,"what_you_need_to_succeed":null,"responsibilities":null,"type":null,"min_experience_years":6,"max_experience_years":9,"ctc_unit":"LPA","is_featured_job":false,"is_active":true,"job_code":"T500-27120","external_id":39048,"external_job_code":"TMORAP006","is_anonymized":false,"mercurial_skills":null,"open_date":"2026-06-23T16:05:37.884967+05:30","published_at":"2026-06-29T13:53:06.112791+05:30","anonymization_needed":null,"anonymized_description":null,"xml_feed_anonymization":null,"unregistered_user_anonymization":null,"registered_user_anonymization":null,"pre_application_email_anonymization":null,"mettl_account":null,"job_table_sub_head":null,"job_table_short_desc":null,"is_remote":null,"job_video":null,"job_video_title":null,"job_video_description":null,"job_image_url":"https://wattt.s3.ap-south-1.amazonaws.com/PRODUCTION/T500-27120.png","role_summary":"<p><strong>About T-Mobile</strong><br>T-Mobile US, Inc. 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