Site Reliability Engineer

MOZAYDO; Portugal; Híbrido; EUR 30 000 - 40 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Culture of autonomy and trust

Challenging projects

Opportunities for growth

Resumo da oferta

A leading technology company in Lisbon is seeking an entry-level Site Reliability Engineer to manage application and system architectures while optimizing environments. The role involves troubleshooting, driving SRE culture, and collaborating with cross‑functional teams. Successful candidates should have knowledge of system architectures, web components, SQL, and the Hadoop ecosystem. This position offers a hybrid work arrangement and opportunities for growth within a culture of autonomy and trust.

Qualificações

• Strong knowledge of multi-tier architecture and SOA.
• Experience with configuring IIS, Tomcat, Apache.
• Solid understanding of SQL for data extraction.
• Knowledge of Hadoop and related components.
• Focus on security, performance optimization, and hardening.

Responsabilidades

• Ensure reliability and performance of multi-tier platforms.
• Install and maintain application components in production.
• Troubleshoot complex system and architectural issues.
• Work with SQL databases for performance insights.
• Support systems in the Hadoop ecosystem.
• Implement security best practices.
• Introduce SRE practices and automate processes.

Conhecimentos

System architectures

Web Tier and App Tier components (IIS, Tomcat, Apache)

SQL

Hadoop ecosystem

Application security

Troubleshooting

SRE principles

English proficiency

Descrição da oferta de emprego

Site Reliability Engineer (SRE)

Location: Lisbon, Portugal

Work model: Full-time, Hybrid (3x office per week)

Mozaydo was built by people who believe work should feel human - even when powered by technology.

We’re a remote-first company that connects talent, technology, and purpose to help companies grow sustainably.

Here, ownership matters more than control, and progress matters more than perfection.

People powered. Technology enabled.

About the Role

We’re expanding our Technology Services Team capacity to support our customers. This role involves managing application and system architectures, optimizing environments, troubleshooting incidents, and driving a strong SRE culture focused on resilience, ownership, and continuous improvement. You will work closely with cross‑functional teams to support, optimize, and secure large‑scale systems and applications.

Responsibilities

• Ensure reliability, availability, and performance of multi‑tier platforms across Web Tier and App Tier environments (IIS, Tomcat, Apache, etc.);
• Install, configure, and maintain application components and support application deployments in production and staging environments;
• Troubleshoot complex system, application, and architectural issues, performing root‑cause analysis and driving blameless post‑mortems;
• Work with SQL databases to extract and analyse data, supporting performance and operational insights;
• Support and optimize systems within the Hadoop ecosystem, ensuring stable and reliable big‑data operations;
• Implement and maintain security best practices across application and system layers;
• Collaborate with engineering teams to introduce SRE practices, automate processes, and improve operational resilience.

Requirements

• Strong knowledge of system architectures (multi‑tier architecture, SOA, messaging, transactions, DB replication);
• Experience installing and configuring Web Tier and App Tier components such as IIS, Tomcat, Apache, or similar;
• Solid understanding of SQL and experience extracting information from relational databases;
• Knowledge of the Hadoop ecosystem and related big‑data components;
• Strong focus on system and application security, performance optimisation, and hardening;
• Excellent troubleshooting skills and ability to lead post‑mortem analysis with a blameless culture;
• Understanding of key SRE principles such as ownership, reliability engineering, and continuous improvement mindset;
• Good command of the English language (spoken and written).

What We Offer

• Culture of autonomy and trust.
• Challenging and human projects.
• Opportunities for growth and continuous learning.

Hiring Process

Our hiring process is designed to ensure the best match between talent and opportunity. Steps may vary slightly depending on the specific role.

• Introductory Meeting with Mozaydo – to get to know you, your experience, and career goals.
• Client Interview – a conversation with the client to explore alignment with the role and team.
• Technical Assessment – evaluation of specific skills and expertise, when relevant.
• Final Interview (Cultural Fit) – focused on values, mindset, and collaboration style.

Seniority Level

Entry level

Employment Type

Full‑time

Job Function

Information Technology

Industries

Telecommunications, IT Services, IT Consulting