Senior Software Engineer

InterSystems; Dublin; On-site; EUR 120,000 - 150,000; Full time

Job summary

InterSystems, a leading data technology company, is seeking a senior hands-on engineer to advance Go-based Kubernetes Operator platforms. You’ll partner with Kubernetes architects, SRE, and cloud ops to translate complex operational processes into scalable production software.

In this role you will design and implement controllers, CRDs, and automation, contribute to CI/CD and GitOps, and mentor others while strengthening security and reliability across multi-cloud environments.

Qualifications

• 8+ years of experience in software, platform, cloud, DevOps, infrastructure automation, or SRE engineering.
• Strong production development experience with Go.
• Hands-on experience building Kubernetes Operators, controllers, CRDs, admission webhooks, or similar Kubernetes-native software.
• Strong understanding of Kubernetes APIs, reconciliation patterns, RBAC, finalizers, status conditions, and object lifecycle.
• Experience supporting production Kubernetes environments and distributed systems.
• Strong knowledge of automated testing, CI/CD, GitOps, Helm, Linux, containers, networking, storage, and Kubernetes troubleshooting.
• Experience applying Kubernetes security practices.
• Strong communication skills and experience mentoring or influencing other engineers.

Responsibilities

• Design, build, and maintain Kubernetes Operators, controllers, CRDs, APIs, and automation using Go.
• Automate provisioning, upgrades, scaling, recovery, configuration, and other platform lifecycle workflows.
• Build reliable, observable, secure, and resilient controllers that handle retries, drift, failures, and changing cluster state.
• Develop strong automated test coverage and contribute to CI/CD, GitOps, Helm, and infrastructure automation.
• Integrate platform software across public cloud, private cloud, and on-premises Kubernetes environments.
• Apply secure Kubernetes practices including RBAC, secrets management, admission controls, and workload isolation.
• Improve platform reliability through observability, troubleshooting, post-incident improvements, and operational automation.
• Mentor engineers and help establish engineering standards and best practices.

Skills

Go

Kubernetes

DevOps

SRE

CI/CD

GitOps

Observability

Tools

Kubebuilder

Operator SDK

controller-runtime

Terraform

Argo CD

Flux

Prometheus

Grafana

Istio

Linkerd

Cilium

Job description

This is a senior, hands-on engineering role focused on Go development, Kubernetes Operators, platform automation, reliability, and security. You’ll work closely with Kubernetes architects, SRE, and cloud operations teams to turn complex operational processes into scalable, production-grade software.

What You’ll Do

• Design, build, and maintain Kubernetes Operators, controllers, CRDs, APIs, and automation using Go.
• Automate provisioning, upgrades, scaling, recovery, configuration, and other platform lifecycle workflows.
• Build reliable, observable, secure, and resilient controllers that handle retries, drift, failures, and changing cluster state.
• Develop strong automated test coverage and contribute to CI/CD, GitOps, Helm, and infrastructure automation.
• Integrate platform software across public cloud, private cloud, and on-premises Kubernetes environments.
• Apply secure Kubernetes practices including RBAC, secrets management, admission controls, and workload isolation.
• Improve platform reliability through observability, troubleshooting, post-incident improvements, and operational automation.
• Mentor engineers and help establish engineering standards and best practices.

What We’re Looking For

• 8+ years of experience in software, platform, cloud, DevOps, infrastructure automation, or SRE engineering.
• Strong production development experience with Go.
• Hands-on experience building Kubernetes Operators, controllers, CRDs, admission webhooks, or similar Kubernetes-native software.
• Strong understanding of Kubernetes APIs, reconciliation patterns, RBAC, finalizers, status conditions, and object lifecycle.
• Experience supporting production Kubernetes environments and distributed systems.
• Strong knowledge of automated testing, CI/CD, GitOps, Helm, Linux, containers, networking, storage, and Kubernetes troubleshooting.
• Experience applying Kubernetes security practices.
• Strong communication skills and experience mentoring or influencing other engineers.

Nice to Have

• Experience with technologies such as Kubebuilder, Operator SDK, controller-runtime, Terraform, Argo CD, Flux, EKS, AKS, GKE, Prometheus, Grafana, Istio, Linkerd, or Cilium, as well as experience in regulated or mission-critical environments.
• Relevant Kubernetes, Terraform, cloud DevOps, or Linux certifications are also beneficial.

About InterSystems

InterSystems, a creative data technology provider, delivers a unified foundation for next-generation applications for healthcare, finance, manufacturing, and supply chain customers in more than 80 countries. Our data platforms solve interoperability, speed, and scalability problems for large organizations around the globe to unlock the power of data and allow people to perceive data in imaginative ways. Established in 1978, InterSystems is committed to excellence through its 24x7 support for customers and partners around the world. Privately held and headquartered in Boston, Massachusetts, InterSystems has 38 offices in 28 countries worldwide. For more information, please visit InterSystems.com.

AI Disclaimer

InterSystems may use AI tools for its internal operations including administrative tasks during recruitment (e.g., organizing candidate information). InterSystems' approach to AI is guided by the InterSystems Responsible AI Guidelines. AI is not used to make or influence hiring decisions. All decisions are made by InterSystems employees.

Candidates may use AI for CV or interview preparation, provided materials are truthful and reflect their own experience. AI tools and third-party transcription services must not be used during interviews or assessments.

Please note that the use of wearable technology, including any AI-related tools or other technology-connected devices (such as META or Google smart glasses and/or wearables, and/or any similar devices), is strictly prohibited during the interview and screening process with InterSystems. Any applicant who requires a wearable device or any type of technology support during the interview process as a reasonable accommodation under the ADA or applicable state or country laws and regulations must contact the InterSystems Human Resources Department prior to attending or participating in any interview or screening process.