Senior Software Engineer (Configuration as Code)

521 Cisco Systems Internetworking (Ireland) Limited; Galway; Hybrid; EUR 110,000 - 150,000; Full time

Job summary

Cisco Systems Internetworking (Ireland) Limited in Galway is seeking a senior software engineer to lead the design, deployment, and governance of Kubernetes-based microservices. You will drive DevOps practices, implement progressive delivery, and oversee secure handling of secrets within a GitOps framework.

The role emphasizes end-to-end ownership, high-quality configuration, and collaboration across cross-functional teams to deliver robust, scalable infrastructure in a hybrid work environment.

Qualifications

• Bachelor’s or higher degree in an analytical subject (e.g., Computer Science, Electronic/Software Engineering).
• 7+ years of demonstrated experience in software development.

Responsibilities

• Lead the design, codification, testing, and delivery of Kubernetes-based microservices configurations (Deployments, Services, Ingress, ConfigMaps).
• Build reusable base configs with environment overlays and enable safe promotion across dev, staging, and production.
• Drive operational excellence within a GitOps model using ArgoCD and progressive delivery (canary releases, validation gates).
• Codify autoscaling and resiliency and manage secure secrets via HashiCorp Vault and Kubernetes Secrets.
• Use AI-assisted tools to accelerate configuration-as-code and improve delivery speed and reduce deployment risk.
• Address complex challenges across configuration, policy, observability, and data services to improve reliability.

Skills

Kubernetes

Helm

GitOps

ArgoCD

Prometheus

Grafana

OpenPolicyAgent

HashiCorp Vault

Canary releases

Autoscaling

ConfigMaps/Ingress

Education

Bachelor’s or higher degree in Analytical field

Tools

Kustomize

HashiCorp Vault

Kubernetes Secrets

Job description

Meet the Team: Cisco's Webex Engineering Group is redefining the future of collaboration. We’re building a world where people connect effortlessly to enjoy modern, uncompromised collaboration across every room, desk, pocket, and application. Our technology powers industry‑leading products like Webex Meetings, Webex Calling, and Webex Contact Center. As a member of our team, your work will ensure every user gets a truly immersive experience regardless of device or location, empowering the hybrid working patterns of the future.

Our team is based in Galway and operates a hybrid working model.

Your Impact

• Full Lifecycle Development: Lead the design, codification, testing, and delivery of Kubernetes‑based microservices configurations (Deployments, Services, Ingress, ConfigMaps) using Kubernetes and Helm. Build reusable base configs with environment overlays and enable safe promotion across dev, staging, and production.
• DevOps & Microservices: Drive operational excellence within a GitOps model using ArgoCD. Implement progressive delivery (canary releases, validation gates), codify autoscaling and resiliency, and manage secure secrets via HashiCorp Vault and Kubernetes Secrets.
• Embrace AI technology: Use AI‑assisted tools to accelerate development, validation, and optimization of configuration‑as‑code, improving delivery speed and reducing deployment risk.
• Adaptable & Problem‑Solver: Address complex challenges across configuration, policy, observability, and data services. Apply a data‑driven approach using Prometheus and Grafana to improve reliability and performance.
• Ownership & Quality: Own end‑to‑end configuration quality, enforcing governance with OpenPolicyAgent. Ensure secure, compliant deployments and full reproducibility, including backup, restore, and disaster recovery.
• Support & Growth: Advance a self‑service platform using Backstage and ArgoCD, enabling teams to deploy via declarative configs while promoting best practices and continuous improvement.

Minimum Qualifications

• Bachelor’s or higher degree in an analytical subject (e.g., Computer Science, Electronic/Software Engineering).
• 7+ years of demonstrated experience in software development.
• Extensive architecture and programming experience and the willingness to learn new technologies quickly.
• Strong problem‑solving ability and a scientific, creative approach to complex problems.
• Adaptable, collaborative, and flexible, thriving in diverse team environments and communicating clearly and precisely.
• Strong attention to detail and a commitment to continuous learning and quality results.

Preferred Qualifications

• Strong Kubernetes + microservices experience.
• Hands‑on experience with Helm or Kustomize.
• Experience with GitOps (e.g., ArgoCD).
• Knowledge of secrets management (e.g., HashiCorp Vault).
• Experience with observability (metrics, logs, tracing).
• Familiarity with policy enforcement via OpenPolicyAgent.