Sr. Engineer, Site Reliability

T-Mobile•Frisco, TX

About The Position

This role ensures the reliability and resilience of digital infrastructure to support efficient software development and deployment. It automates processes and reduces manual effort to prevent operational incidents and improve system performance. The position requires expertise in programming, scripting, incident response management, and technical tools to maintain robust systems. Success is measured by system stability, incident reduction, and continuous improvement in operational efficiency. The work supports organizational stability and customer experience by maintaining high-performing and reliable systems. The role may also perform other duties or projects as assigned by business management.

Requirements

  • Bachelor's degree plus 3 years of related work experience, or an advanced degree with 1 year of related work experience, or an equivalent combination of education and experience.
  • Acceptable areas of study include Computer Science, Engineering, or a related field.
  • Required knowledge and abilities include automation, Bash, CI/CD, capacity planning, emotional resilience, incident management, mentorship, Python, scripting, and system reliability.
  • At least 18 years of age.
  • Legally authorized to work in the United States.

Nice To Haves

  • 4–7 years working in operations or development environments.
  • 4–7 years troubleshooting customer-related issues and managing customer relationships.
  • 4–7 years developing software solutions using Python or similar programming languages.
  • Knowledge of DevOps, Kubernetes, systems recovery, and learning agility.
  • Familiarity with generative AI and productivity assistants such as ChatGPT, Claude, and Microsoft Copilot to streamline daily tasks, research, data synthesis, or content drafting.
  • AWS Certified DevOps Engineer certification.
  • Certified Kubernetes Administrator certification.
  • Google Cloud Certified – Professional DevOps Engineer certification.

Responsibilities

  • Enhance system reliability and resilience by identifying issues and implementing preventive measures to reduce downtime.
  • 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; independently handle incidents.
  • 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 or projects as assigned by business management.

Benefits

  • Competitive base salary and compensation package.
  • Annual stock grant and employee stock purchase plan.
  • 401(k) and access to free, year-round money coaches.
  • Annual bonus or periodic sales incentive or bonus for eligible regular, non-temporary employees.
  • 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, and childcare subsidy.
  • Tuition assistance and college coaching.
  • Short- and long-term disability coverage.
  • Voluntary AD&D, accident, life, disability, and long-term care insurance.
  • Mobile service and home internet discounts for eligible employees.
  • Pet insurance for eligible employees.
  • Commuter and transit programs for eligible employees.
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