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T-Mobile Logo T-Mobile · IT - Software Development

Sr Engineers, Systems Reliability

United States, Frisco 156998.00 - 165000.00 USD / Year · Job Posted March 14, 2026
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Job Description

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees! T-Mobile is America’s supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. Sr Engineers, Systems Reliability is located in Frisco, TX and will utilize proficient knowledge and skill in emerging DevOps-centric automation tools and technologies for CICD, configuration management, etc. for production environments.

Job Responsibility

  • Perform environment management, automated server provisioning, pipeline configuration (VMs)
  • Deliver software to improve the availability, scalability, latency, and efficiency of T-Mobile’s services
  • Craft, manage, and use dashboard for continuous monitoring and health check of applications, and the underlying infrastructure, improve the quality of services using the monitoring feedback for production environment
  • Contribute to future improvement of software delivery processes and operations, e.g., cloud enablement, use of microservices with containerization
  • Relationship and People Management: Mentors/guides other Systems Reliability Engineers, Software Engineers and vendor resources as needed

Requirements

  • Master’s degree in Computer and information technology, Electrical and Computer Engineering, or related, and 6 years of relevant work experience
  • Bachelor’s degree in Computer and information technology, Electrical and Communication Engineering, or related, and 8 years of relevant work experience
  • Design, develop, and deliver complex GitLab CI/CD pipelines for enterprise billing platforms
  • Build and administer Kubernetes clusters using Conductor for application lifecycle management, packaging with helm and duck templates for infrastructure automation
  • Develop custom tools in Shell, Perl, YAML, Jython and Python (including Boto3) to support zero-downtime deployments and operations
  • Implement Infrastructure as Code with Terraform and AWS CloudFormation to provision infrastructure across AWS, PCF, Google and Azure cloud platforms
  • Develop AWS Lambda function to migrate historical billing information from RDS to S3
  • Support and administer Skava-based ecommerce platforms, Java/J2EE and REST API’s including deployment, scaling, and operational troubleshooting in production
  • Provision and manage relational and NoSQL databases, including PostgreSQL, MySQL, Oracle, and MongoDB (Atlas) and develop, optimize SQL scripts for billing workflows and for generating monthly consumer and business reports
  • Develop scripts and controls to enforce access management using Azure AD and prevent public exposure of secrets using GitGuardian, T-Vault and CyberArk ensuring compliance with cybersecurity standards
  • Automate Windows system administration and deployment processes using PowerShell, create and maintain Power BI reports and dashboards
  • Expert-level experience in implementing and managing observability platforms like Splunk, AppDynamics, and Grafana, with a focus on developing real-time dashboards and actionable alerts for microservice health, API latency, and system fault detection
  • At least 18 years of age
  • Legally authorized to work in the United States

What we offer

  • Competitive base salary and compensation package
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Access to 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 and 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 & home internet discounts
  • Pet insurance
  • Access to commuter and transit programs
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