Senior Engineer, Site Reliability Engineering

OnStar is a cornerstone of General Motors’ connected services—bringing safety, security, diagnostics, navigation, and convenience to customers through the   mobile apps ,   website , and the   in-vehicle experience , supported by a complex set of cloud services and integrations   operating   at global scale. To support this,   we’re   scaling our   Site Reliability Engineering (SRE)   organization in Dublin, responsible for keeping the OnStar product line resilient, performant, and scalable for millions of customers.   We are seeking an   experienced engineer   with a strong background in SRE, cloud operations, and project ownership to help build and improve reliability practices across our customer-facing OnStar experiences and the services behind them.   What   You’ll   Be Doing   Design and implement   scalable, fault-tolerant, and observable infrastructure   supporting OnStar mobile and web experiences, in-vehicle services, and the backend platforms and integrations that power them.   Drive   adoption   of   configuration management ,   infrastructure refactoring , and   testing frameworks   to strengthen system resilience.   Partner across SRE, development, and product teams to improve   service reliability , deployment safety, and   incident response practices .   Provide consultation and contribute to   planning on   reliability standards   for new OnStar capabilities, customer-facing releases, and platform initiatives.   Help evolve and implement an   observability approach   using tools such as   Prometheus, Grafana, and Datadog , with automated alerting and actionable SLO dashboards.   Support and improve   on-call practices , manage blameless postmortems, and guide root cause analysis to   eliminate   recurring failures.   Mentor engineers and support a culture rooted in   extreme ownership   and operational excellence.   Support compliance and   privacy-driven engineering   initiatives across connected services, with potential crossover into areas like   data retention   and   safety certification tooling .   What You Bring   6+ years in   SRE, DevOps, or systems engineering , including experience mentoring engineers and leading project-level technical work.   Track record   of building and   maintaining   high-scale, cloud-native systems   (preferably AWS, GCP, or Azure).   Expertise   in   container orchestration   and deployment strategies using   Kubernetes   and   CI/CD pipelines .   Proficiency   in   Python, Go, or Java , with strong code review and readability standards.   Experience leading   cross-functional infrastructure projects , configuration strategy, or   organizational tooling initiatives .   Ability to think and act under pressure — whether debugging a live incident or balancing uptime vs cost trade-offs.   Familiarity with   privacy engineering , data security, or experience supporting   compliance frameworks   is a plus.   Strong communication   skills — able to influence, mentor, and lead across diverse technical teams.     Why Join Us?   This is more than an engineering role —   it’s   an opportunity to help deliver reliable connected experiences customers depend on. At GM,   you’ll   join a team committed to   cutting-edge   technology ,   sustainability , and   inclusive innovation . With meaningful projects, a collaborative culture, and a global mission, your impact will be tangible and far-reaching—improving reliability across OnStar mobile apps, web experiences, in-vehicle services, and the systems behind them.   Hybrid - This role is categorized as hybrid. This means the successful candidate is expected to report to our Dublin office three times per week, at minimum [or other frequency dictated by the business]. Ready to lead reliability at scale? Join our SRE team in Dublin and help power trusted OnStar experiences for millions of customers.