Senior Software Engineer

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.