Kubernetes Platform Administrator

We're fast learners, hard workers, natural collaborators... and we Make Modern Happen!

Our ambition is to unlock
the potential of our digital world so that organisations everywhere can
innovate and thrive securely. We aim to achieve this goal by bringing together
the world’s most talented people and the most powerful technologies, combining
them to address our customers' challenges and to build something stronger
together.

If you share our vision,
join us!

Right now, we’re looking
for a skilled Kubernetes Platform Administrator to support the
installation, administration, evolution, and automation of services within an
existing platform environment. This role requires strong hands-on experience
with Azure, OpenShift Container Platform (OCP), Kubernetes, CI/CD, and platform
observability.

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

Your responsibilities
include:

•             Install, administer, and evolve products and services
within an existing platform environment

•             Monitor and maintain OpenShift clusters, including:

o   Quotas

o   Resource limits

o   Upgrades

o   Lifecycle management

•             Automate platform operations using Operators (OLM)

•             Manage RBAC and integration with Active Directory / LDAP

•             Configure and maintain Security Context Constraints
(SCCs)

•             Support and improve CI/CD pipelines using GitOps and
Argo CD

•             Work with Service Mesh technologies, such as Istio

•             Maintain and evolve the service catalogue using:

o   Templates

o   Helm Charts

•             Implement and support observability solutions with:

o   Prometheus

o   Grafana

•             Analyse logs and troubleshoot issues using Elasticsearch

•             Act as a technical interface with the infrastructure
provider

•             Contribute to platform stability, operational
excellence, and continuous improvement

You must have:

·       Strong experience in
Azure administration

·       Practical knowledge of
Kubernetes and/or OpenShift

·       Experience with GitOps
methodologies and Argo CD

·       Hands-on knowledge of
Helm, Operators, and platform automation

·       Familiarity with RBAC,
LDAP/AD integration, and security hardening

·       Solid understanding of
monitoring and logging tools

·       Ability to work in a
structured 2-week sprint delivery model

·       Strong troubleshooting,
communication, and collaboration skills

·       Fluency in Portuguese and
English

Mandatory
certifications:

·       Microsoft Certified:
Azure Data Fundamentals

·       Microsoft Certified:
Azure Administrator Associate

·       Microsoft Certified:
DevOps Engineer Expert

We value:

·       Certified Kubernetes
Administrator (CKA)

We offer:

·       Regular professional
development;

·       Health insurance, with
family package;

·       Office facilities for
meals and snacks;

·       Regular teambuilding
programs;

·       Friendly workplace.

Workplace: Lisbon – Hybrid - Minimum 5 on-site days
per 2-week sprint

Claranet, Make modern
happen!