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Principal Engineer, Site Reliability

Job in Frisco, Collin County, Texas, 75035, USA
Listing for: T-Mobile
Full Time position
Listed on 2026-10-21
Job specializations:
  • IT/Tech
    Cloud Computing: Infrastructure & Operations, Systems Engineer
Salary/Wage Range or Industry Benchmark: 150360 - 271200 USD Yearly USD 150360.00 271200.00 YEAR
Job Description & How to Apply Below
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!

Job Overview This role supports organizational goals by enhancing system reliability and resilience to improve software development and deployment efficiency. It involves applying site reliability engineering principles and automation to reduce manual work and prevent operational incidents. The role requires strong problem-solving and analytical skills to resolve complex technical issues effectively. Success is measured by system stability, incident reduction, and acceleration of software delivery processes.

The work directly impacts the performance and reliability of the organization's digital infrastructure and customer experience.

Job Responsibilities:

Implement site reliability engineering practices and automation tools to improve system reliability and resilience Collaborate with cross-functional teams to support Agile and Dev Ops 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 Also responsible for other duties/projects as assigned by business management as needed Education and

Work Experience:

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) 7-10 years Working in operations or develops environments (Preferred)7-10 years Troubleshooting customer related issues and managing customer relationships (Preferred)7-10 years Very adept with scripting (Bash, Power Shell, etc.), in addition to other programming languages, Java, C#, etc. SQL also a plus (Preferred)

Knowledge, Skills and Abilities:

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)
Licenses and

Certifications:

Google Cloud Certified - Professional Cloud Architect
Certification from Google that validates the ability to design, develop, and manage a secure, scalable, and reliable cloud architecture using Google Cloud technologies. (Preferred) AWS Certified Dev Ops Engineer
Certification from Amazon Web Services that validates technical expertise in provisioning, operating, and managing distributed application systems on the AWS platform. (Preferred) Certified Kubernetes Administrator (CKA)
Certification that validates the skills required for day-to-day administration of Kubernetes clusters. () At least 18 years of age Legally authorized to work in the United States Travel:

Travel Required (Yes/No):
No

DOT Regulated:

DOT Regulated Position (Yes/No):
No

Safety Sensitive Position (Yes/No):
No

Total Target Cash Earnings Opportunity: $150,360 - $271,200

National Base Pay Range: $125,300 - $226,000

The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive…
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