SITE RELIABILITY ENGINEER (SRE) (HYBRID)

iTRTech Group; Lisboa; Hybrid; EUR 25,000 - 28,000; Full time

Job summary

iTRTech Group in Porto, Portugal is seeking a mid-level Site Reliability Engineer to improve cloud-native platforms with a strong blend of development and operations.

This hybrid role requires 2 days per week in the office, fluent English, and 3+ years in SRE/DevOps. You will define SLOs/SLIs, implement observability, and collaborate across Dev, Product, Architecture, Security and Data teams.

Qualifications

• 3+ years in SRE, Systems Engineering, Operations, DevOps, or Software Development.

Responsibilities

• Improve platform availability, performance, reliability, and resilience.

Skills

SRE principles

On-call support

CI/CD

Agile practices

Tools

Linux

Docker

Kubernetes

Prometheus

Grafana

ELK

Splunk

GitHub Actions

Azure DevOps

Terraform

Ansible

Node.js

NestJS

React

TypeScript

REST APIs

Job description

SITE RELIABILITY ENGINEER (SRE) (HYBRID PORTO)

Portuguese company hires for hybrid position

Location: Porto, Portugal

Only candidates already based in Portugal will be considered

Work Model: Hybrid — 2 days per week in the office

Language Requirements: Fluent English required

Seniority: Mid-level (3+ years)

Rate Between €2200 - 2500 RV or unipessoal (gross value)

About The Opportunity

We are looking for a Site Reliability Engineer to improve the availability, performance, and resilience of cloud-native platforms and customer-facing services. You will combine software engineering and operations, working across teams to embed reliability throughout the development lifecycle.

Responsibilities

• Improve platform availability, performance, reliability, and resilience.
• Implement end-to-end observability through metrics, logs, and traces.
• Define and manage SLOs, SLIs, and SLAs with product teams.
• Investigate bottlenecks, troubleshoot incidents, and identify sources of instability.
• Automate operational processes and integrate reliability into the SDLC.
• Collaborate with Development, Product, Architecture, Security, and Data teams on operational standards.

Requirements

• 3+ years in SRE, Systems Engineering, Operations, DevOps, or Fullstack/Software Development.
• Strong understanding of SRE principles, production operations and high-availability systems, including on-call support.
• Experience with Linux, Docker, and Kubernetes, plus networking and distributed systems.
• Hands‑on experience with observability tools such as Prometheus, Grafana, ELK and Splunk.
• Experience with CI/CD and automation, including GitHub Actions and Azure DevOps.
• Familiarity with Terraform and Ansible.
• Development experience with Node.js, NestJS, React, and TypeScript, including REST API design and integration.
• Experience with incident, problem, and change management processes, and Agile practices using Scrum or Kanban.

Preferred: AWS, Azure, or Google Cloud Associate certifications; Kubernetes or Infrastructure as Code certifications.

Ideal Candidate Profile

An analytical and proactive engineer who combines development skills with production troubleshooting experience. Able to work autonomously, communicate clearly with technical and business stakeholders, and collaborate on continuous reliability improvements.

5 Questions for Candidates

• Do you have at least 3 years of relevant experience in SRE, operations, DevOps, or software development?
• Have you implemented observability and defined SLOs, SLIs, or SLAs?
• What experience do you have with Linux, Kubernetes, CI/CD, and Infrastructure as Code?
• Have you developed applications using Node.js, NestJS, React, and TypeScript?
• Are you fluent in English, comfortable with on-call support, and available to work on-site in Porto 2 days per week?

Keywords

SRE, Site Reliability Engineering, Observability, SLO, SLI, SLA, Linux, Docker, Kubernetes, Prometheus, Grafana, ELK, Splunk, CI/CD, GitHub Actions, Azure DevOps, Terraform, Ansible, Node.js, NestJS, React, TypeScript, REST APIs, Incident Management.