Jr. DevOps Engineer supporting and improving CI/CD pipelines and Linux systems at Swift. Collaborating with senior engineers in a hands - on learning environment.
About the role
- Software Engineer focused on mobile DevOps at T-Mobile, designing scalable software solutions for CI/CD environments. Collaborating with teams to deliver mobile applications with high reliability and performance.
Responsibilities
- Develop and maintain platform tooling and automation that supports mobile build and release workflows
- Design, implement, and maintain CI/CD pipelines for iOS and Android applications, including build, test, code signing, and distribution (e.g., TestFlight, Play Store)
- Own end-to-end reliability, performance, and scalability of mobile CI/CD pipelines
- Build and operate scalable, containerized build infrastructure, including Kubernetes-based ephemeral runners and autoscaling systems
- Manage mobile release workflows including code signing, provisioning profiles, secure credential management, artifact storage, and versioning strategies
- Optimize pipeline performance through caching, parallelization, and failure recovery mechanisms
- Contribute to design innovations that improve systems, processes, or services using modern DevOps and platform engineering best practices
- Improve developer experience through automation, tooling, and self-service platform capabilities
- Collaborate with technical and mobile engineering teams to deliver solutions and standardize build and release processes across iOS (Xcode, fastlane) and Android (Gradle) ecosystems
- Support technology strategy by evaluating and applying current technologies aligned with business goals, including AWS (IAM, S3, EKS), Kubernetes, and cloud-native tooling
- Implement observability across CI/CD systems, including pipeline performance metrics (build times, failure rates), logging, alerting, and flaky test detection
- Compose clear documentation for software code, system designs, pipelines, and infrastructure to support knowledge sharing
- Mentor engineers through technical leadership, knowledge sharing, and DevOps/platform engineering best practices
- Perform other duties or projects as assigned by business management
Requirements
- 4–7+ years of technical engineering experience
- Bachelor’s degree with 5+ years of related work experience, or an advanced degree with 3+ years of related experience
- Degree in Computer Science, Software Engineering, Information Management, or equivalent experience
- Strong cross-functional collaboration and stakeholder communication
- Technical writing skills
- Software engineering or DevOps experience
- Strong experience with CI/CD systems (GitLab CI preferred; also GitHub Actions, Jenkins, Bitrise, CircleCI)
- Experience with AWS (IAM, S3, EKS, Secrets Manager) and cloud-native architectures
- Experience with Kubernetes and containerized workloads
- Experience designing and operating CI runners / build infrastructure (ephemeral, autoscaling preferred)
- Strong scripting and automation skills (Python, Bash, etc.)
- Experience with mobile build systems (iOS or Android)
Benefits
- Medical, dental and vision insurance
- Flexible spending account
- 401(k)
- Employee stock grants
- Employee stock purchase plan
- 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 & home internet discounts
- Pet insurance
- Access to commuter and transit programs
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