Engineer, Site Reliability [T500-20503]

About T-Mobile:

T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is America’s supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience.

About TMUS Global Solutions:

TMUS Global Solutions is a world-class technology powerhouse accelerating the company’s global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking.

TMUS India Private Limited operates as TMUS Global Solutions.

About the Role:

The Site Reliability Engineer ensures digital systems are reliable, resilient, and scalable. This role automates operational processes, reduces manual intervention, and strengthens incident response across complex environments. With expertise in infrastructure, scripting, cloud services, and observability, the Site Reliability Engineer is essential to maintaining system uptime and delivering continuous improvements in performance and deployment workflows.

What You’ll Do:

• Automate processes to enhance system reliability and scalability
• Implement proactive monitoring and maintenance to prevent incidents
• Streamline CI/CD and development-to-deployment workflows
• Develop tools and scripts that reduce manual operational efforts
• Respond to incidents, manage root cause analysis, and minimize service disruption
• Continuously research and adopt new technologies for performance gains
• Partner with cross-functional teams to improve end-to-end system performance
• Support other duties and technical projects as required by leadership

What You’ll Bring:

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
• 2–5 years of experience in SRE, DevOps, or cloud-native infrastructure roles
• Proven ability to build and manage CI/CD pipelines
• Experience with cloud-native platforms and technologies (e.g., AWS, Azure, GCP)
• Strong scripting skills (e.g., Python, Bash) and systems troubleshooting
• Knowledge of Agile principles and automation best practices
• Excellent problem-solving and communication skills
• Certifications (preferred): CKA, AWS DevOps Engineer, SRE Foundation

Must Have Skills:

• Hands-on experience with

  Monitoring & Observability tools

  such as

  Prometheus, Grafana, Dynatrace, Datadog, or Splunk

  for system health, application metrics, and alerting.
• Strong expertise in

  automation scripting

  using

  Python, Bash, or Perl

  to streamline operational workflows and reduce manual intervention.
• Practical experience with

  DevOps practices

  and

  CI/CD tools

  like

  Jenkins, GitLab CI

  , ensuring automated and reliable software delivery pipelines.
• Proficiency in

  Infrastructure as Code (IaC)

  using tools such as

  Terraform, AWS CloudFormation, or Pulumi

  for scalable cloud provisioning.
• Solid understanding of

  cloud platforms

  —

  AWS

  or

  Azure

  —with experience managing cloud-native applications and infrastructure.
• Deep knowledge of

  containerization and orchestration

  using

  Docker and Kubernetes

  , including managing deployments and scaling services.
• Exposure to

  performance tuning and optimization

  , especially at the

  API layer

  , to improve system responsiveness and reliability.

Nice To Have:

• Experience with chaos engineering or resilience testing
• Familiarity with service mesh (Istio, Linkerd), edge proxies, or policy engines.
• Exposure to SRE metrics (SLOs, SLIs, Error Budgets) and golden signals monitoring.