Application Engineer
InterSystems14 hours ago
Dublin, IrelandMid Level
Responsibilities
- Develop and maintain Kubernetes-native software in Go, including controllers, Custom Resource Definitions, reconciliation logic, and automation components.
- Build automation for provisioning, configuration, upgrades, scaling, recovery, and other managed-service workflows.
- Write maintainable Go code and develop unit, integration, and cluster-based tests.
- Support CI/CD pipelines for building, testing, packaging, and releasing Kubernetes platform software.
- Integrate with Kubernetes networking, storage, ingress, certificates, scheduling, security, and cluster lifecycle capabilities.
- Contribute to automation using Helm, Terraform, GitOps, Argo CD, Flux, and related tooling.
- Implement secure defaults, least-privilege RBAC, secrets handling, workload isolation, and operational guardrails.
- Build observable and supportable software using logs, metrics, events, health checks, and status conditions.
- Troubleshoot Kubernetes workloads, controller behavior, failed reconciliations, deployments, and automation issues.
- Collaborate with engineering, SRE, security, and application teams and contribute to documentation, runbooks, and knowledge sharing.
Requirements
- At least 3 years of experience in software engineering, platform engineering, DevOps, infrastructure automation, cloud engineering, or SRE.
- Experience developing in Go, or strong software engineering experience with the ability to work in Go.
- Practical experience with Kubernetes, containers, Linux, and cloud-native deployment patterns.
- Familiarity with Kubernetes APIs, CRDs, controllers, reconciliation loops, RBAC, events, status conditions, and resource lifecycle.
- Experience with Git, CI/CD, automated testing, and code review.
- Working knowledge of Helm, Terraform, GitOps, Argo CD, Flux, or similar tooling.
- Understanding of Kubernetes security concepts including RBAC, secrets, namespaces, network policies, admission controls, and workload isolation.
- Strong troubleshooting, communication, and collaboration skills.
- Preferred experience with Kubebuilder, Operator SDK, controller-runtime, client-go, Kubernetes Operators, controllers, admission webhooks, or platform automation.
- Preferred experience with EKS, AKS, GKE, Rancher, Spectro Cloud, Prometheus, Grafana, Loki, Fluent Bit, ELK/EFK, Istio, Linkerd, Cilium, Velero, Kasten, or Stash.
- Open-source contributions and relevant certifications such as CKAD, CKA, CKS, Terraform Associate, or LFCS are preferred.
About InterSystems
InterSystems builds data platforms and healthcare software for enterprises and public-sector providers, including the InterSystems IRIS database, HealthShare interoperability suite, and TrakCare electronic health record. It sells licenses, cloud services, and support to customers in healthcare, financial services, manufacturing, and supply chain. Founded in 1978 and headquartered in Boston, the privately held company serves organizations in 80+ countries.