Sr Systems Reliability Engineer

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About the role

The Sr. System Reliability Engineer (SRE) guides and mentors other SREs and improves and protects the software and systems behind all of T-Mobile's IT services. This includes management of scalability, availability, latency, performance, security, and capacity, as well as delivering software faster, better, and cheaper.

The Compliance Campaign Management (CCM) team within T-Mobile's Identity Security and Access Management (ISAM) organization is leading a major transformation in logical access compliance. This team designs and builds solutions using Power Platform, Azure DevOps Pipelines, Microsoft Graph APIs, and AI-powered automation to streamline compliance operations while expanding risk visibility across the enterprise.

As a Senior Systems Reliability Engineer (SRE), you will play a critical leadership role in shaping and operating the platform that powers this transformation. You will own the reliability, scalability, observability, and continuous improvement of this compliance automation ecosystem, ensuring it remains highly available, performant, secure, and audit-ready.

This role involves driving engineering excellence, establishing reliability standards, championing automation-first practices, and leading efforts to improve resilience, monitoring, incident response, and operational maturity. You will collaborate with software engineers, compliance experts, security teams, and AI-enabled solutions to define the next generation of compliance operations and governance technology.

Responsibilities

• Utilize DevOps automation tools to enhance continuous integration and continuous delivery pipelines for non-production environments.
• Manage environments through automated server provisioning and pipeline configuration to support virtual machines.
• Deliver software improvements that increase availability, scalability, latency, and efficiency of IT services.
• Create and maintain dashboards for continuous monitoring and health checks to improve service quality in non-production environments.
• Contribute to software delivery process improvements including cloud enablement and microservices containerization.
• Mentor and guide systems reliability engineers and vendor resources to support team development and performance.
• Architect scalable, modular automation frameworks that allow compliance workflows to expand across new control types, compliance frameworks, and operational domains without re-engineering.
• Design automated validation and accuracy verification patterns across agent and workflow pipelines, ensuring repeatable, measurable output quality that supports continuous improvement and audit readiness at scale.
• Perform other duties/projects assigned by business management as needed.

Requirements

• Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience.
• 4-7+ years of relevant experience.
• Experience working in an Agile and DevOps environment.
• Experience in one or more of: C, C#, Java, Perl, Python, Go, or scripting experience in Shell and Perl.
• Experience in Continuous Integration/Continuous Delivery tools, such as Jenkins, Cloudbees, etc., and other automation tools.
• Experience with DevOps tools, such as Ansible, Chef, Puppet, etc.
• Experience in Docker, Kubernetes, etc. is preferable.
• Experience in APM tools like AppDynamics, logging tools like Splunk.
• Experience working in a cloud environment (public/private).
• Experience in migrating to cloud or cloud-native environments is preferable.

Skills

• Required:
  • Python or comparable programming language experience.
  • Red Hat Ansible or comparable orchestration technologies.
  • Automation Architecture and Scalable Framework Design experience.
  • Platform Engineering and Reusable Pipeline Design.
• Preferred:
  • Agentic workflow design, orchestration, and operational governance.
  • Automated testing and output validation framework design.
  • Human-in-the-loop system architecture for regulated workflows.
  • API-first integration architecture for enterprise-scale automation platforms.
  • Compliance or regulatory workflow automation in identity, access, or financial controls environments.

Pay

Base Pay Range: $98,500 - $177,700. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance, set at a percentage of the employee’s eligible earnings in the prior year (target: 15%). 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, visit T-Mobile Pay Lookup.

Benefits

Full and part-time employees have access to the same benefits when eligible, including:

• Medical, dental, and vision insurance.
• Flexible spending account and 401(k).
• Employee stock grants and employee stock purchase plan.
• Paid time off and up to 12 paid holidays (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, and childcare subsidy.
• Tuition assistance, college coaching, short- and long-term disability.
• Voluntary AD&D coverage, accident coverage, life insurance, disability insurance, and long-term care insurance.
• Mobile service & home internet discounts, pet insurance, and access to commuter and transit programs.

Learn more about T-Mobile’s benefits at www.t-mobilebenefits.com.