Senior Site Reliability Engineer

Claranet; Lisboa; Híbrido; EUR 55 000 - 85 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Regular professional development

Certification paths resources

Regular teambuilding programs

Friendly workplace

Resumo da oferta

Claranet in Lisbon, Portugal, is seeking a Senior Site Reliability Engineer to join our team and help build and operate reliable, scalable, and secure cloud platforms.

You will split your time 50/50 between operational excellence—keeping services up, incidents resolved, and reliability improving—and engineering projects—automation, observability, and platform improvements using Azure, Kubernetes, and Terraform. English communication essential.

Qualificações

• 4+ years of SRE/DevOps experience.
• Hands-on with Azure compute, networking, and storage.
• Experience with Kubernetes and AKS.
• Terraform or IaC experience.
• CI/CD and version control knowledge.
• Monitoring and observability with Datadog, Prometheus, or similar.
• English communication skills.

Responsabilidades

• Monitor and maintain cloud and Kubernetes platforms for high availability.
• Investigate incidents and perform root cause analysis.
• Design, deploy and manage scalable Azure infrastructure.
• Manage AKS Kubernetes environments.
• Develop and maintain Terraform IaC.
• Build and improve CI/CD pipelines.
• Implement observability with Datadog and related tools.
• Define reliability metrics (SLIs/SLOs) and error budgets.
• Collaborate with engineering and infra teams.
• Promote DevOps and continuous improvement.

Conhecimentos

SRE/DevOps experience

English communication

Scripting (Bash / Python / PowerShell)

Problem solving

Formação académica

Degree in CS/Engineering

Equivalent practical experience

Ferramentas

Azure

Kubernetes (AKS)

Terraform

Datadog

CI/CD tooling

Git

Prometheus

Grafana

Azure Monitor

Descrição da oferta de emprego

Senior Site Reliability Engineer

Empresa : Claranet Tipo de Emprego : Periodo Integral Lisbon, Portugal

Descrição do Emprego - Senior Site Reliability Engineer

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!

We are looking for a Site Reliability Engineer to join our team and help us build and operate reliable, scalable and secure technology platforms.

This role combines two complementary areas of work:

• 50% Operational Excellence: ensuring the smooth operation of our platforms, responding to service requests and incidents, troubleshooting issues and continuously improving reliability.
• 50% Engineering & Improvement Projects: designing and implementing automation, observability, infrastructure and platform improvements that make our services more resilient and easier to operate.

This role is responsible for ensuring the reliability, performance, security, and scalability of cloud-based platforms, primarily in Azure and Kubernetes environments. The position combines operational support, infrastructure engineering, automation, and Site Reliability Engineering (SRE) practices.

Your responsibilities include:

• Monitoring and maintaining cloud and Kubernetes platforms to ensure high availability and performance.
• Investigating and resolving incidents, conducting root cause analysis, and driving continuous service improvements.
• Designing, deploying, and managing scalable infrastructure in Azure.
• Managing Kubernetes environments, preferably with AKS (Azure Kubernetes Service).
• Developing and maintaining Infrastructure as Code using Terraform.
• Building and improving CI/CD pipelines and automating operational processes.
• Implementing observability solutions, including monitoring, logging, tracing, and alerting tools such as Datadog.
• Defining and tracking reliability and performance metrics (SLIs, SLOs, and error budgets).
• Collaborating with development and infrastructure teams to deliver reliable, secure, and maintainable platform solutions.
• Promoting DevOps, automation, knowledge sharing, and a culture of continuous improvement.

You must have:

• Degree in Computer Science, Engineering or a related field, or equivalent practical experience.
• At least 4 years of experience in SRE, DevOps, Platform Engineering, Cloud Engineering or a similar role.
• Hands-on experience with Microsoft Azure, particularly compute, networking and storage services.
• Practical experience with Kubernetes; experience with AKS is an advantage.
• Experience with Terraform or another Infrastructure as Code tool.
• Familiarity with CI/CD practices and version control systems.
• Experience with monitoring, logging and alerting platforms such as Datadog, Azure Monitor, Prometheus, Grafana or equivalent.
• Good scripting skills in Bash, Python or PowerShell.
• Understanding of software development and deployment practices.
• Experience with .NET and/or Java, microservices or business applications deployed on Kubernetes is a strong advantage.
• Ability to troubleshoot complex technical issues in a structured and collaborative way.
• Good written and verbal communication skills in English.

We value:

• Experience with AWS or Google Cloud.
• Experience with .NET or Java application development.
• Knowledge of SLI/SLO frameworks, error budgets and incident management practices.
• Experience with distributed systems, APIs and cloud-native architectures.
• Familiarity with security, networking and identity concepts in Azure and Kubernetes.
• Relevant certifications, such as:

• Microsoft Certified: Azure Fundamentals
• Microsoft Certified: Azure Solutions Architect Expert
• Certified Kubernetes Administrator
• HashiCorp Terraform Associate
• Datadog Fundamentals

We offer:

• Regular professional development;
• Certification paths resources;
• Regular teambuilding programs;
• Friendly workplace.

Workplace: Lisbon (Hybrid)

Claranet: Make Modern Happen!