Senior Software Engineer

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 Limerick 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.    



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