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T-Mobile

Senior Site Reliability Engineer

T-Mobile

. Enhance system reliability and resilience by identifying issues and implementing preventive measures to reduce downtime .

Posted 9/25/2026full-timeFrisco • Texas • United StatesSenior💰 $107,300 - $193,500 per yearWebsite

Tech Stack

Tools & technologies
AWSCassandraCloudKubernetesNoSQLPythonSQL

About the role

Key responsibilities & impact
  • Enhance system reliability and resilience by identifying issues and implementing preventive measures to reduce downtime
  • Strengthen the reliability and scalability of distributed payment systems using Cassandra, other NoSQL databases, and SQL databases
  • Automate processes to accelerate software development and deployment while minimizing manual interventions
  • Conduct root cause analysis and collaborate with problem management to prevent incident recurrence and improve system operations
  • Apply problem-solving and analytical skills to prevent operational incidents and maintain system stability
  • Leverage programming, scripting, and incident response expertise to improve system robustness and efficiency
  • Continuously learn new skills and technologies to adapt to changing environments and drive innovation
  • Perform other duties and projects as assigned by business management

Requirements

What you’ll need
  • Bachelor's Degree plus 3 years of related work experience OR advanced degree with 1 year of related work experience OR combination of education and experience deemed equivalent (Required)
  • Acceptable areas of study include Computer Science, Engineering or related field (Required)
  • AWS
  • Application Monitoring
  • Automation
  • Bash (Programming Language)
  • CI/CD (Required)
  • Cloud Infrastructure
  • Capacity Planning
  • Incident Management
  • IaC (Infrastructure as Code)
  • Kubernetes
  • Python (Programming Language)
  • Scripting
  • System Reliability
  • At least 18 years of age
  • Legally authorized to work in the United States
  • Preferred: 4-7 years working in operations or development environments
  • Preferred: 4-7 years troubleshooting customer-related issues and managing customer relationships
  • Preferred: 4-7 years developing software solutions using Python or similar programming languages
  • Preferred: AWS Certified DevOps Engineer
  • Preferred: Certified Kubernetes Administrator
  • Preferred: Google Cloud Certified - Professional DevOps Engineer

Benefits

Comp & perks
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Free, year-round money coaches
  • Annual bonus or periodic sales incentive or bonus, based on role
  • Medical, dental and vision insurance
  • Flexible spending account
  • Paid time off
  • Up to 12 paid holidays
  • Paid parental and family leave
  • Family building benefits
  • Back-up care
  • Enhanced family support
  • Childcare subsidy
  • Tuition assistance
  • College coaching
  • Short- and long-term disability
  • Voluntary AD&D coverage
  • Voluntary accident coverage
  • Voluntary life insurance
  • Voluntary disability insurance
  • Voluntary long-term care insurance
  • Mobile service and home internet discounts
  • Pet insurance
  • Commuter and transit programs
  • Career growth opportunities