Senior Elasticsearch & Observability Engineer

Senior Elasticsearch & Observability Engineer

About the role

We are looking for a Senior Elasticsearch & Observability Engineer to design, build and evolve the Elastic Stack that underpins observability across a complex, multi-platform landscape — Mainframe, Open Systems and Container platforms. The role combines deep technical execution with platform optimisation, cross-team collaboration and coaching, and you will be a reference point for observability adoption across the organisation.

What you'll do

• Design, build, maintain and extend the Elastic Stack (Beats, Elastic Agents, Logstash, Elasticsearch, Kibana)

• Drive observability practices and design solutions for applications hosted on Mainframe, Open Systems and Container platforms

• Own platform performance, indexing efficiency, log retention policies, data lifecycle management and secure access control

• Track vendor updates, new releases and market trends to continuously evolve the platform

• Work closely with development, architecture and operations teams to integrate observability into CI/CD practices

• Establish best practices and governance for application monitoring and compliance with coding standards

• Coach and mentor team members and drive adoption of new observability solutions

• Work with stakeholders to analyse needs, estimate effort, co-create roadmaps and report progress to Product Owners and management

• Lead production troubleshooting, root cause analysis, P1/P2 incident handling and release execution

• What you'll need

• University degree in Computer Science, Engineering or a comparable technical field

• 5–10 years of hands-on experience in IT environments, with a focus on observability and production support

• Strong hands-on expertise across the Elastic platform (Beats, Elastic Agents, Logstash, Elasticsearch, Kibana) and OpenTelemetry standards

• Solid command of observability fundamentals: logs, metrics, traces, golden signals, log analysis, dashboard creation and alerting configuration

• Hands-on experience with CI/CD tooling (Bitbucket, Git, Jenkins, UCD, Ansible) and automated testing frameworks

• Docker and Kubernetes; REST API fundamentals and system integration

• Linux and Windows fundamentals: processes, file systems, shell, key metrics

• Proven track record in Agile delivery and incident/release management

• Experience in cross-team coordination, stakeholder communication and effort estimation

• Understanding of security controls: authentication, RBAC, access management and audit compliance

• Professional English at C1 level, spoken and written (mandatory)

• Strong plus

• Elasticsearch certification

• Microsoft Azure knowledge

• Mainframe exposure

• Experience in regulated environments, particularly Financial Services

• French and/or Dutch

• Who you are

• A strong collaborator and coach, comfortable mentoring peers and engaging both technical and non-technical stakeholders

• Proactive, with strong ownership and a structured approach to problem solving

• Committed to continuous learning

• Available for on-call support and scheduled overtime when required

• Legal requirement: you must hold a valid work permit or EU/Schengen nationality to work legally in Portugal.

• What can you expect from us?

• Mind-blowing workplace culture. You will be integrated in a professional, dynamic and collaborative team.

• 100% Remote opportunities

• We want you to have the flexibility to work where you feel most comfortable and productive.

• International Career

• You can expect professional growth and to be connect with the world.

• We are represented in Portugal, Belgium, Luxembourg, and Denmark.

• And with projects in many other countries: Netherlands, Luxembourg, Singapore and in the United States of America (and a lot more is coming…)

• Extra Benefits & Perks

• If you wish to work with us and you are outside European Union (good news…) we are a Tech Visa Company, We will help!

• As a plus, we provide Health and Life Insurance.