Senior Site Reliability Engineer

Want to Make Waves in Tech? GBT Solutions Is the Place to Be! 🐝

About us: GBT Solutions is a Portuguese technology company founded in 2018, part of the HFA Group, which was established in 1995. With a focus on delivering cutting-edge solutions across various industries, we foster a diverse and inclusive work environment and take pride in our commitment to excellence and innovation.

Position: Senior Site Reliability Engineer (SRE);

Location: Lisbon, Portugal (Hybrid | 2 days per week in the office | Parque das Nações);

Compensation:

• €[2000-2500€] gross/month | 14 payments per year.

About this role: Join an international technology environment as a Senior Site Reliability Engineer (SRE), ensuring the reliability, availability, and operational performance of applications deployed across multiple regional locations. You will take technical ownership of application services, perform advanced diagnostics, support incident resolution, and operate workloads running on Azure-based Kubernetes platforms.

Main responsibilities:

• Act as the first-line technical owner for applications running across multiple regional locations;
• Perform advanced service-level diagnostics using observability tools such as Grafana, Loki, Mimir, metrics, logs, and traces;
• Investigate application issues involving databases and messaging technologies;
• Support incident response, root cause analysis, troubleshooting, and service restoration;
• Operate and support application workloads running on Azure-based Kubernetes platforms;
• Diagnose Kubernetes-related issues involving pod lifecycle, networking, storage, scaling, and failure scenarios;
• Collaborate with Platform Engineering teams on cluster-level issues and Application Development teams on service-level incidents;
• Identify, document, and escalate unresolved bugs and technical issues to Product and Platform teams.

Requirements:

Must-have:

• Minimum of 05 years of professional experience in Site Reliability Engineering (SRE) or similar roles;
• Strong hands-on experience with Kubernetes and Microsoft Azure, particularly Azure Kubernetes Service (AKS);
• Solid understanding of Kubernetes pod lifecycle, networking, storage, scaling, and troubleshooting;
• Experience with observability and monitoring tools, including Grafana, Loki, Mimir, metrics, logs, and traces;
• Knowledge of databases and messaging technologies such as MongoDB, MSSQL, PostgreSQL, and Kafka;
• Experience with Helm, Kustomize, and GitOps frameworks;
• Knowledge of Git, Azure DevOps, ArgoCD, and CI/CD pipelines;
• Experience with Infrastructure as Code (IaC), particularly Terraform;
• Strong incident management, root cause analysis, and problem-solving skills;
• Bachelor's degree in Computer Science, Engineering, or equivalent professional experience;
• Excellent communication, collaboration, and critical-thinking skills;
• Fluency in English (C1/C2);
• Availability for business travel and valid legal documentation for travel and employment.

Nice-to-have:

• AZ-104 - Microsoft Azure Administrator Associate certification;
• CKA - Certified Kubernetes Administrator certification;
• Equivalent practical experience in Azure and Kubernetes administration;
• Experience supporting distributed applications across international environments;
• Knowledge of cloud-native architectures and operational reliability best practices;
• Experience with infrastructure automation and service optimization.

Equal opportunity: GBT Solutions is an equal opportunity employer and values diversity. We do not discriminate based on age, ethnicity, sexual orientation, gender, disability, or any factor other than merit.

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GBT Solutions may retain my profile and present it to client companies for suitable opportunities, based on its legitimate interest. I may object to this at any time by contacting rgpd@gbtsolutions.pt.