Principal Engineer, Software - Devops [T500-20368]

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 :

As a Principal Engineer – DevOps, you will be a key member of the CFL Platform Engineering and Operations team you will lead the architecture and implementation of DevOps strategies, tooling, and infrastructure that accelerate software delivery and enhance platform reliability across mission-critical systems. You will shape DevOps engineering strategy, influence infrastructure and deployment design, and partner across engineering, SRE, security, and architecture to build self-service capabilities, CI / CD excellence, and next-generation automation frameworks.

What You’ll Do :

• Design and lead implementation of scalable CI / CD pipelines across multiple teams and technologies
• Standardize and evolve DevOps tooling and workflows across GitLab, Jenkins, Spinnaker, ArgoCD, or similar platforms
• Build template-based, policy-driven pipelines that enforce security, test automation, quality gates, and compliance
• Champion infrastructure as code and pipeline-as-code using Terraform, Helm, and GitOps models
• Architect self-service platforms for environment provisioning, deployment, secrets management, and release automation
• Improve developer velocity and release frequency through simplified, standardized DevOps services
• Lead design of deployment strategies including blue / green, canary, rolling updates, and rollback automation
• Create monitoring and feedback loops to optimize pipeline health, build time, and deployment success rates
• Collaborate with SRE, cloud infrastructure, and application teams to ensure high availability, resiliency, and observability of DevOps systems
• Integrate observability practices across DevOps pipelines (e.g., logging, metrics, distributed tracing)
• Establish and manage SLOs for build, deploy, and release workflows
• Serve as subject matter expert and technical advisor on DevOps architecture, release readiness, and platform maturity
• Define engineering standards and guardrails for DevOps adoption across application domains
• Mentor DevOps engineers and collaborate with product and platform leaders to align DevOps roadmaps with engineering strategy
• Participate in architecture review boards, technical QBRs, and production incident postmortems

What You’ll Bring :

Must Have Skills :

Nice To Have :