Site Reliability Engineer (Sre) – Observability - Remote - Portugal

A2It Tecnologia; Leiria; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

100% remote

Job summary

A2It Tecnologia is seeking an SRE with strong observability expertise to help build and scale our observability platform. You will work on automation, capacity planning and improving reliability across services.

Join a cross-functional team using Grafana Stack, OpenTelemetry, and modern cloud tooling to drive visibility, performance and FinOps awareness while modernising legacy monitoring.

Qualifications

• 3+ years experience as SRE/Observability Engineer or similar role.
• Hands-on with OpenTelemetry instrumentation.
• Proficient with Kubernetes, Helm, Terraform and ArgoCD.
• Fluency in English.

Responsibilities

• Design and maintain observability solutions for metrics, logs, traces and RUM.
• Build automated monitoring and alerting pipelines based on SLOs/SLAs.
• Manage telemetry pipelines ensuring data quality from instrumentation to dashboards.
• Promote observability best practices across development and operations teams.
• Modernise legacy monitoring and alerting solutions.
• Identify opportunities to optimise observability costs and support FinOps.

Skills

Observability

OpenTelemetry

Automation mindset

English fluency

Tools

Grafana Stack

Grafana Cloud

Tempo

Loki

Mimir

Alloy

Kubernetes

Helm

Terraform

ArgoCD

OpenTelemetry

Job description

We’re looking for an SRE with strong observability expertise to help build and scale a company-wide observability platform, improving system performance, reliability and operational efficiency.You’ll join a cross-functional team working with modern observability technologies, with a strongfocus on automation, scalability and continuous improvement.

What you’ll do:

• - Design and maintain observability solutions covering metrics, logs, traces and Real User Monitoring (RUM).
• - Work with the Grafana Stack, including Grafana Cloud, Tempo, Loki, Mimir and Alloy, alongside OpenTelemetry.
• - Build automated monitoring and alerting pipelines based on SLOs and SLAs.
• - Manage telemetry pipelines, ensuring data quality from instrumentation to dashboards.
• - Promote observability best practices across development and operations teams.
• - Modernise legacy monitoring and alerting solutions.
• - Identify opportunities to optimise observability costs and support FinOps initiatives.

What we’re looking for:

• - 3+ years of experience as an SRE, Observability Engineer or in a similar role.
• - Hands-on experience with OpenTelemetry or equivalent instrumentation tools.
• - Experience with Kubernetes, Helm, Terraform and ArgoCD.
• - Knowledge of telemetry pipelines, including metrics, logs, traces, exporters and sidecars.
• - Strong automation mindset and a “you build it, you run it” approach.
• - Fluency in English.

Nice to have:

• - Experience with APM and distributed tracing solutions.
• - Knowledge of FinOps practices applied to observability.
• - Experience modernising legacy monitoring platforms.
• - Cloud experience, preferably Azure.
• - Knowledge of Java development and application instrumentation.
• - Expertise in performance monitoring, alerting, dashboarding and root cause analysis.
• - Contributions to open-source observability projects.

Vaga em regime 100% remoto.