Senior DevOps Engineer, Observability (Elastic Stack)

Role Description

Role description and responsibilities

This is a Senior Elasticsearch & Observability Engineer role focused on designing, building, maintaining, and extending the Elasticsearch Stack to drive observability practices across complex environments (Mainframe, Open Systems, and Container platforms). Day-to-day work combines technical execution, platform optimization, cross-team collaboration, continuous delivery governance, and coaching to drive observability adoption.

What You'll Do

- Design, build, maintain, support, 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;

- Ensure platform performance, indexing efficiency, log retention policies, data lifecycle management, and secure access control;

- Follow vendor updates, new feature releases, and market trends to continuously evolve the observability platform;

- Work closely with development teams, architects, and operations teams to ensure seamless integration of observability and CI/CD knowledge;

- Establish best practices and governance for application monitoring and compliance with coding standards/guidelines;

- Coach and mentor team members, driving the adoption of new observability solutions across the organization;

- Collaborate with stakeholders to analyze needs, estimate effort for new features, co-create value-driven roadmaps, and report progress to Product Owners/Management;

- Lead production troubleshooting, root cause analysis (RCA), incident handling (P1/P2), and release execution.

Requirements

Qualifications

- University degree in Computer Science, Engineering or comparable technical field;

- 5-10 years of hands-on experience in IT environments with focus on observability and production support;

- Proven track record in Agile delivery models and incident/release management;

- Solid experience in cross-team coordination, stakeholder communication, and effort estimation;

- OS & Infrastructure knowledge: Linux and Windows fundamentals (processes, file systems, shell, key metrics).

Technical Skills

- Strong hands-on expertise with Elastic platform (Beats, Elastic Agents, Logstash, Elasticsearch, Kibana, OpenTelemetry standards);

- Observability core concepts: logs, metrics, traces, golden signals, log analysis, dashboard creation, and alerting configuration;

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

- Container & Cloud technologies: Docker & Kubernetes; APIs and system integration (REST API fundamentals);

- Basic understanding of security controls: authentication, RBAC, access management, and audit compliance;

- Tools: Jira, Confluence, ServiceNow, MS Office.

- Profile & Other Requirements

- Professional English C1 (spoken and written) — mandatory; French and/or Dutch is a plus;

- Strong collaboration & coaching skills — comfortable mentoring peers and interacting with technical and non-technical stakeholders;

- Proactive mindset with strong ownership, structured problem-solving, and continuous learning attitude;

- Willingness and availability for on-call support and scheduled overtime activities when required;

- Lisbon/Portugal-based — hybrid working model (CET alignment required).

- Must own a valid work permit or EU/Schengen Space nationality to legally work in Portugal.

Nice to have

Mainframe knowledge is a plus;

Elasticsearch certification and Microsoft Azure knowledge are a strong plus;

Experience in regulated environments (e.g., Financial Services) is a strong plus;

French and/or Dutch is a plus.

Perks

- Health insurance;

- Life Insurance and Pension Plan Programs;

- Free medical services at the office (Physician, Nutritionist, Psychologist);

- Wellness programs;

- Flexben Program (Support for Education, Kindergarten, Training, Technology, Health);

- Employee Share Purchase Plan;

- Personalized training paths and access to Udemy and Pluralsight Platforms;

- Flex-ability program (financial and flexible support for people with disabilities);

- Special banking conditions;

- Hybrid working model.