Senior Software Engineer (SRE) - OnStar

About the role

OnStar is General Motors' connected services platform, delivering safety, security, diagnostics, navigation and convenience through mobile apps, website and in-vehicle experience, backed by cloud services at global scale. The company is scaling its Site Reliability Engineering (SRE) organization in Dublin to keep the OnStar product line resilient, performant and scalable for millions of customers. It is looking for an experienced engineer with a strong background in SRE, cloud operations and project ownership to build and improve reliability practices.

Key responsibilities

• Design and implement scalable, fault-tolerant, observable infrastructure for OnStar mobile and web experiences, in-vehicle services and backend platforms.
• Promote adoption of configuration management, infrastructure refactoring and testing frameworks.
• Work with SRE, development and product teams to improve service reliability, deployment safety and incident response.
• Contribute to planning of reliability standards for new capabilities, releases and platform initiatives.
• Evolve observability using Prometheus, Grafana and Datadog, with automated alerting and SLO dashboards.
• Support on-call practices, run blameless postmortems and guide root cause analysis.
• Mentor engineers and foster a culture of extreme ownership and operational excellence.
• Support privacy-driven engineering and compliance initiatives, with possible work on data retention and safety certification tooling.

Required profile

• 6+ years in SRE, DevOps or systems engineering, including mentoring engineers and leading project-level technical work.
• Track record of building and maintaining high-scale, cloud-native systems (preferably AWS, GCP or Azure).
• Experience leading cross-functional infrastructure projects, configuration strategy or organizational tooling initiatives.
• Ability to think and act under pressure, and strong communication skills to influence and lead across teams.
• Familiarity with privacy engineering, data security or compliance frameworks is a plus.

Required skills

• Container orchestration and deployment strategies with Kubernetes and CI/CD pipelines.
• Python, Go or Java, with strong code review and readability standards.

The role is hybrid: the successful candidate reports to the Limerick office at least three times per week.