Kubernetes Platform Lead | Azure, GitOps & OpenShift

Claranet limited; Lisboa; Hybrid; EUR 42,000 - 66,000; Full time

Benefits offered by this job

Health insurance

Office facilities for meals and snacks

Regular teambuilding programs

Friendly workplace

Job summary

Claranet Limited is seeking a skilled Kubernetes Platform Administrator to support installation, administration, evolution and automation within an existing platform environment. The role emphasizes hands-on work with Azure, OpenShift, Kubernetes, GitOps and observability tools.

The ideal candidate will join a team in a hybrid delivery model, collaborating with infrastructure providers and internal teams to ensure platform reliability, security and continuous improvement.

Qualifications

• Azure administration experience
• Kubernetes and/or OpenShift experience
• GitOps with Argo CD
• Hands-on Helm and Operators knowledge
• RBAC, LDAP/AD integration and security hardening
• Monitoring and logging tools proficiency
• Structured 2-week sprint delivery experience
• Strong troubleshooting and collaboration skills
• Fluency in Portuguese and English

Responsibilities

• Install, administer, and evolve products and services within an existing platform environment
• Monitor OpenShift clusters and manage quotas, resource limits, RBAC, and AD/LDAP integration
• Configure and maintain Security Context Constraints (SCCs)
• Support and improve CI/CD pipelines using GitOps and Argo CD
• Work with Istio and service mesh technologies
• Maintain the service catalogue with templates
• Implement observability with Grafana and Elasticsearch
• Act as a technical interface with the infrastructure provider
• Contribute to platform stability, operational excellence and continuous improvement

Skills

Azure administration

Kubernetes

OpenShift

GitOps

Argo CD

Helm

RBAC

LDAP/AD integration

Security hardening

Monitoring

Logging tools

Portuguese

English

Tools

Grafana

Elasticsearch

Istio

Job description

Claranet Limited is seeking a skilled Kubernetes Platform Administrator to support installation, administration, evolution and automation within an existing platform environment. The role emphasizes hands-on work with Azure, OpenShift, Kubernetes, GitOps and observability tools.

The ideal candidate will join a team in a hybrid delivery model, collaborating with infrastructure providers and internal teams to ensure platform reliability, security and continuous improvement.