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T-Mobile

Principal Engineer – Site Reliability

T-Mobile

. Implement site reliability engineering practices and automation tools to improve system reliability and resilience .

Posted 10/16/2026full-timeUnited StatesLead💰 $125,300 - $226,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in Site Reliability Engineering practices, Automation, and CI/CD processes to enhance system reliability and operational efficiency. Proficient in Cloud Infrastructure management and Incident Management, with strong problem-solving and analytical skills.

Highest-signal resume keywords
Site Reliability EngineeringAutomationCI/CDCloud InfrastructureIncident Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Application MonitoringCapacity PlanningInfrastructure As Code (IaC)ScriptingSystem ReliabilityBashPowerShellJavaC#SQL
Soft Skills
Problem-SolvingAnalytical SkillsCollaborationMentorship
Certifications & Qualifications
Google Cloud Certified - Professional Cloud ArchitectAWS Certified DevOps EngineerCertified Kubernetes Administrator (CKA)
Industry Keywords
AgileDevOpsContinuous LearningOperational IncidentsTechnical Challenges

Tech Stack

Tools & technologies
AWSCloudJavaKubernetesSQL

About the role

Key responsibilities & impact
  • Implement site reliability engineering practices and automation tools to improve system reliability and resilience
  • Collaborate with cross-functional teams to support Agile and DevOps methodology adoption
  • Apply problem-solving and analytical skills to resolve complex technical challenges
  • Utilize advanced technologies and tools to accelerate software development and deployment
  • Engage in continuous learning to maintain technical expertise and adapt to emerging technologies
  • Reduce operational incidents by minimizing manual effort through automation and effective problem resolution
  • Perform other duties and projects as assigned by business management

Requirements

What you’ll need
  • Bachelor's Degree and 7 years of related work experience OR a combination of education and experience deemed equivalent (Required)
  • Acceptable areas of study include Computer Science, Engineering or a related field (Preferred)
  • Application Monitoring (Required)
  • Automation (Required)
  • CI/CD (Required)
  • Capacity Planning (Required)
  • Cloud Infrastructure (Required)
  • Incident Management (Required)
  • Infrastructure As Code (IaC) (Required)
  • Mentorship (Required)
  • Scripting (Required)
  • System Reliability (Required)
  • At least 18 years of age
  • Legally authorized to work in the United States
  • 7-10 years working in operations or development environments (Preferred)
  • 7-10 years troubleshooting customer-related issues and managing customer relationships (Preferred)
  • 7-10 years of scripting experience, including Bash and PowerShell, plus other programming languages such as Java and C#; SQL is a plus (Preferred)
  • Google Cloud Certified - Professional Cloud Architect (Preferred)
  • AWS Certified DevOps Engineer (Preferred)
  • Certified Kubernetes Administrator (CKA)

Benefits

Comp & perks
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Free, year-round money coaches
  • Medical insurance
  • Dental insurance
  • 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