Senior Mobile Infrastructure Engineer

This is a fully remote position, open to applicants in United States.

📋 Description

• Oversee and enhance the cloud-based macOS virtual machine fleet, which includes provisioning automation, capacity planning, health monitoring, and recovery.

• Ensure that runners are dependable, current, and uniformly configured across various environments.

• Design, sustain, and refine build, test, signing, and release workflows for both iOS and Android applications.

• Enhance build times, queue times, and flake rates through systematic measurement and iterative improvements.

• Create reusable workflows, composite actions, and shared tools for iOS, Android, and infrastructure repositories.

• Develop consistent, maintainable GitHub Actions CI authoring methodologies.

• Write robust, well-tested Python and shell scripts for build orchestration, runner management, artifact handling, and secret lifecycle management.

• Monitor runner health, build durations, and failure trends.

• Manage alerting for outages and degraded states in pipelines.

• Maintain consistency in toolchain versions across developer machines and CI environments.

• Document systems and create runbooks.

• Manage Apple distribution certificates, provisioning profiles, and export configurations.

• Automate the monitoring and rotation of certificate and provisioning profile expirations.

• Contribute to Android build and signing workflows, including multi-flavor and multi-variant pipelines.

• Deliver Android builds via Firebase App Distribution.

• Collaborate with mobile engineers to minimize friction throughout the development lifecycle.

• Ensure the reliability, quality, and delivery of FDA-regulated medical device software.

⛳️ Requirements

• A minimum of 8 years of experience in software engineering, CI/CD, or build/release engineering with significant ownership of production systems.

• Bachelor’s degree in engineering, computer science, or a related field, or an equivalent combination of education and relevant job experience.

• Proficient in Python, shell scripting, YAML, and Git.

• Production experience with GitHub Actions, including reusable workflows, matrix strategies, concurrency controls, and composite actions.

• Strong expertise in iOS CI, including Xcode build configuration, Apple code signing, simulator management, and automated TestFlight or App Store delivery.

• Experience with cloud-hosted or local macOS VM platforms such as Orka/MacStadium, Tart, or equivalent.

• Familiarity with Apple Developer account management, including certificates, provisioning profiles, and the App Store Connect API.

• Experience with Firebase App Distribution for internal mobile build delivery.

• Knowledge of Android build systems and signing pipelines.

• Experience integrating mobile testing frameworks into CI pipelines.

• Background in iOS or Android mobile development.

• Experience in regulated industries such as medical devices, with traceability and compliance requirements.

• Experience executing multi-flavor/multi-variant Android builds with regional distribution targets.

• Must be authorized to work for any employer in the U.S.

• Successful completion of a pre-employment drug test and background check.

🏝️ Benefits

• Medical, dental, and vision benefits available from day one.

• Health savings accounts.

• Flexible spending accounts.

• 11 paid holidays each year.

• A minimum of 20 days of paid time off, with accrual beginning on day one.

• 401(k) plan with company matching.

• Employee Stock Purchase plan.

• Equipment provided.

• Virtual training opportunities.

• Bonus and competitive compensation package.

• Employee well-being support and opportunities for workplace growth.