Devops / Observability Engineer

Elasticsearch & Observability Engineer

We are looking for a Senior Elasticsearch & Observability Engineer to join our team in Lisbon.

You will be responsible for designing, maintaining and improving our Elastic Stack and observability solutions , working across Mainframe, Open Systems and Container environments. The role combines hands-on technical work, production support, collaboration with different teams and continuous improvement of the observability platform.

What You'll Do

• Design, build, maintain and support the Elastic Stack : Beats, Elastic Agents, Logstash, Elasticsearch and Kibana.
• Develop and implement observability solutions for applications across Mainframe, Open Systems and Container platforms .
• Monitor and optimize platform performance, indexing, log retention and data lifecycle.
• Manage secure access, authentication and RBAC controls.
• Work closely with development, architecture and operations teams to integrate observability into applications and CI/CD processes.
• Define best practices for monitoring, alerting, dashboards and application observability.
• Support production environments, including incident management, troubleshooting, Root Cause Analysis (RCA) and P1/P2 incidents .
• Support release activities and continuous delivery processes.
• Evaluate new Elastic features and technologies and help evolve the observability platform.
• Work with stakeholders to understand requirements, estimate effort and contribute to technical roadmaps.
• Share knowledge and mentor other team members, helping drive the adoption of observability practices.

What You'll Need

• University degree in Computer Science, Engineering or a similar technical field .
• 2+ years of experience in IT, particularly in observability and production support.
• Strong hands-on experience with the Elastic Stack .
• Good understanding of observability concepts, including logs, metrics, traces, golden signals, dashboards, log analysis and alerting .
• Experience with OpenTelemetry .
• Experience with CI/CD tools , such as Git, Bitbucket, Jenkins, UCD and Ansible.
• Experience with Docker and Kubernetes .
• Knowledge of REST APIs and system integration .
• Good understanding of Linux and Windows environments.
• Experience with Agile methodologies, incident management and release management.
• Strong communication and collaboration skills, with experience working across different technical teams.
• Strong problem-solving skills and a proactive mindset.
• English C1 — mandatory , both written and spoken.
• Availability for on-call support and scheduled overtime when required .
• Based in Lisbon , with a hybrid working model and availability to work within CET hours.

Nice to Have

• Elasticsearch certification .
• Knowledge of Microsoft Azure .
• Mainframe experience.
• Experience working in regulated environments , such as Financial Services.
• Knowledge of French and/or Dutch .
• Experience with Jira, Confluence, ServiceNow and MS Office.