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!
The Principal Systems Reliability Engineer is responsible for designing and implementing secure, scalable, and reliable technology solutions across cybersecurity, system architecture, networking, and platform operations. It combines expertise in security architecture, end-to-end solution design, and DevSecOps/SRE practices to protect digital assets, enable cross-domain integration, and optimize IT services. The position ensures the reliability and performance of software and systems supporting IT services by managing scalability, availability, latency, and security. It involves designing and maintaining continuous integration and continuous delivery (CI/CD) pipelines, supporting cloud-native application development, and driving operational excellence through automation and proactive monitoring. This role differentiates itself by combining strategic system design with hands-on operational improvements and automation expertise. Success is measured by improved security posture, operational efficiency, faster software delivery, and enhanced customer experience-directly impacting organizational service quality and customer satisfaction.
This is a hybrid position required to be in-office at least 2 days a week.
T-Mobile requires U.S. citizenship for certain roles within the organization. This role requires U.S. citizenship. Individuals hired into this role will be required to submit documentation proving U.S. citizenship within the first 7 days of hire - failure to do so will result in termination.
MAIN RESPONSIBILITIES:
- Develop and implement system designs and architectures to improve software delivery speed and operational efficiency
- Lead architecture for cross-domain programs, ensuring alignment with enterprise standards.
- Build and operate cloud-native platforms (Kubernetes, service mesh, ingress, policy engines)
- Implement network segmentation, firewalls, VPNs, and Zero Trust principles.
- Contribute to advancing software delivery processes including cloud enablement and microservices containerization
- Deliver software solutions that enhance service availability, scalability, latency, and efficiency
- Manage environment provisioning and pipeline configurations to support automated server deployment
- Also responsible for other duties/projects as assigned by business management as needed
QUALIFICATIONS:
- 7+ years of progressive experience in systems architecture, platform engineering, or site reliability engineering, with a strong focus on security and operational excellence.
- Experience designing and implementing secure, scalable, and highly available systems across hybrid and cloud environments (Azure, AWS, or Google Cloud Platform).
- Experience in automation and scripting using Python, Go, PowerShell, or Bash.
- Knowledge of imaging processes and asset lifecycle management, including provisioning, patching, and compliance tracking preferred.
- Strong background in network architecture and security, including segmentation, VPNs, firewalls, and Zero Trust principles preferred.
- Experience with DevOps tools, such as, Ansible, Chef, Puppet, etc. Experience in Docker, Kubernetes, etc. is preferable.
- Experience with Application Performance Monitoring (APM) tools such as AppDynamics, and logging/observability tools like Splunk for troubleshooting and performance analysis.
- Experience working in a cloud environment (public/private).
- Aability to influence technology direction, lead architecture reviews, and collaborate across multiple teams preferred.
- Experience in incident and problem management, root cause analysis, and disaster recovery planning preferred.
MINIMUM REQUIREMENTS:
- ship (without dual citizenship).
- At least 18 years of age and legally authorized to work in the United States.
- Active security clearance or ability to obtain one.
- Bachelor's Degree in areas of study including Computer Science, Engineering, IT plus 7 years of related work experience, OR Advanced degree with 5 years of related experience.
Base Pay Range: $114,800 - $207,200
Corporate Bonus Target: 20%
The pay range above is the general base pay range for a successful candidate in the role. The successful candidate's actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.
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. Most Corporate employees are eligible for a year-end bonus based on company and/or individual 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. To find the pay range for this role based on hiring location, ;paradox=1
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 ;br>
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, 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 or calling 1-. 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.
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