Sr Reliability Engineer

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.

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.

The Senior Engineer, Site Reliability (SRE) will play a critical role in ensuring the stability, scalability, and operational excellence of Accounting and Finance platforms. This role is focused on delivering highly reliable financial applications and data services, ensuring they meet the demanding requirements of accuracy, compliance, and availability that support business operations.

As an SRE, you will build automation, implement monitoring, improve incident response, and champion DevOps practices that enable Finance and Accounting systems to operate with consistency and trustworthiness.

Ensure Accounting and Finance platforms meet defined SLAs, SLOs, and SLIs for performance, reliability, and uptime.

Automation & Efficiency: Build automation for deployments, monitoring, scaling, and self-healing capabilities to reduce manual effort and operational risk.

Observability & Monitoring: Implement and maintain comprehensive monitoring, alerting, and logging for accounting applications and data pipelines (e.g., Snowflake, dbt workflows, ERP integrations).

Incident Response: Lead and participate in on-call rotations, perform root cause analysis, and drive improvements to prevent recurrence of production issues.

Establish and enforce best practices for capacity planning, performance tuning, disaster recovery, and compliance controls in financial systems.

Collaboration with Engineering & Finance: Partner with software engineers, data engineers, and Finance/Accounting teams to ensure operational needs are met from development through production.

Security & Compliance: Ensure financial applications and data pipelines meet audit, compliance, and security requirements.

Drive post-incident reviews, implement lessons learned, and proactively identify opportunities to improve system resilience.

Bachelor's in computer science, Engineering, Information Technology, or related field (or equivalent experience).

~5-7 years of experience in Site Reliability Engineering, DevOps, or Production Engineering, ideally supporting financial or mission-critical applications.

~ Strong experience with monitoring/observability tools (Datadog, Prometheus, Grafana, Splunk, or equivalent).

~ Hands-on expertise with CI/CD pipelines, automation frameworks, and IaC tools (Terraform, Ansible, GitHub Actions, Azure DevOps, etc.).

~ Familiarity with Snowflake, dbt, and financial system integrations from an operational support perspective.

~ Strong scripting/programming experience (Python, Bash, Go, or similar) for automation and tooling.

~ Experience ensuring compliance, security, and audit-readiness in enterprise applications.

SQL

Snowflake OR Databricks

DevOps OR CICD OR GitHub Actions

monitoring/observability tools (Datadog, Prometheus, Grafana, Splunk, or equivalent)

Automation

Exposure to FinOps practices for optimizing cloud spend.

Familiarity with containers and orchestration (Docker, Kubernetes).

Experience building resilience into data pipelines and ensuring auditability.

Broader knowledge of emerging frameworks and tools in cloud and finance tech.

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