Sr Site Reliability Engineer

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!

Ready grow your career as part of the Uncarrier journey at T-Mobile?

Our team is searching for our next Sr. Site Reliability Engineer to strengthen the reliability and resilience of the systems powering T-Mobile's payment platforms, enabling faster, safer software delivery. You'll apply your expertise to reduce manual effort and prevent operational incidents across systems where uptime and trust are non-negotiable. Your skills in programming and scripting, incident response, and modern tooling will keep our payment systems adaptable, secure, and efficient. Through continuous learning, you'll help drive innovation as payments technology evolves. Our team's expertise and partnerships are central to the stability and performance of T-Mobile's payments infrastructure.

We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do. Join us in embodying the spirit of the 'Un-carrier' and make a tangible impact! Our team is dynamic where no day is the same, and we are diverse and inclusive passionate about growth and transformation.

Responsibilities

• Enhance system reliability and resilience by identifying issues and implementing preventive measures to reduce downtime
• Apply hands‑on experience with Cassandra , other NoSQL databases, and SQL databases to strengthen the reliability and scalability of distributed payment systems.
• 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
• Also responsible for other duties/projects as assigned by business management as needed

Education and Work Experience

• 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)
• 4-7 years Working in operations or develops 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)

Knowledge, Skills and Abilities

Required:

• AWS
• Application Monitoring
• Automation
• Bash (Programming Language)
• CI/CD (Required)
• Cloud Infrastructure
• Capacity Planning
• Emotional Resilience
• Incident Management
• IaC (Infrastructure as Code)
• Kubernetes
• Mentorship
• Python (Programming Language)
• Scripting
• System Reliability

Licenses and Certifications

Preferred:

• AWS Certified DevOps Engineer
  This certification validates technical expertise in provisioning, operating, and managing distributed application systems on the AWS platform. (Preferred)
• Certified Kubernetes Administrator
  This certification validates the skills required for day‑to‑day administration of Kubernetes environments. (Preferred)
• Google Cloud Certified - Professional DevOps Engineer
  This certification validates the ability to efficiently develop and deploy applications using Google Cloud technologies and to manage operations. (Preferred)

• At least 18 years of age
• Legally authorized to work in the United States

Travel and DOT Regulated

Travel Required (Yes/No): No

DOT Regulated Position (Yes/No): No

Safety Sensitive Position (Yes/No): No

***The pay range below is the "National Pay Range" and does not reflect the actual range for the locations listed. Please click on the link at the end of the second paragraph below to see the "actual" pay range for each location.

Total Target Cash Earnings Opportunity: $123,395 - $222,525National Base Pay Range: $107,300 - $193,500

The Total Target Cash Earnings Opportunity represents the expected total cash compensation for this role at target performance, combining base salary and annual incentive opportunity. Actual earnings may be higher or lower depending on individual performance and overall company results.

To find the pay range for this role based on hiring location, click here.

At T-Mobile, employees in regular, non‑temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Corporate employees are eligible for a year‑end bonus based on individual and/or company performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. The incentive component included in the Total Target Cash Earnings Opportunity reflects target performance. Actual earnings included in the Total Target Cash Earnings Opportunity reflect target performance; actual payouts may vary.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part‑time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full‑time employees and about 2.5 weeks for new part‑time employees annually - 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, and voluntary long‑term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile's amazing benefits, check out

Never stop growing!As part of the T-Mobile team, you know the Un-carrier doesn't have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, genetic information, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated. Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing View email address on click.appcast.io or calling View phone number on click.appcast.io. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non‑accommodation related requests.