Senior Elastic Search Engineer

We are currently looking for an

Elastic Search Engineer

to strengthen the Cronos Europa team. As a member of the infrastructure and operations team, you will act as a Technical Lead to drive observability transformation initiatives. You will be responsible for designing and implementing enterprise-wide monitoring and observability solutions, leading legacy platform migrations, and defining governance standards to ensure scalability, reliability, and operational excellence across the IT ecosystem.

General information

Start Date

ASAP

Duration

Long-term mission

Workload

Full-Time

Location

Luxembourg

Shift Work

Yes

On-Call

Yes

Responsibilities

• Design and implement enterprise observability solutions covering logs, metrics, traces, and synthetic monitoring.
• Lead the migration of legacy monitoring platforms, including Splunk and Newtest/Ekara, towards modern observability tools.
• Define and maintain target observability architectures based on Elastic Stack and related technologies.
• Establish monitoring standards, governance frameworks, and performance KPIs across the organization.
• Create and manage dashboards to provide visibility into application performance, availability, latency, and error rates.
• Implement distributed tracing and performance monitoring capabilities for microservices and API-based architectures.
• Deploy anomaly detection and intelligent correlation mechanisms to proactively identify incidents and performance degradations.
• Collaborate with DevOps, SRE, and development teams to integrate Observability-as-Code and performance monitoring into CI/CD pipelines.
• Define alerting strategies, root-cause analysis processes, and incident detection best practices.
• Ensure security, governance, and lifecycle management of the observability platform.

Technical skills

• Strong expertise with Elastic Stack (Elasticsearch, Logstash, Kibana), including clustering, data tiering, RBAC security, and lifecycle management (ILM).
• Hands-on experience with observability and monitoring platforms such as Dynatrace, Grafana, Prometheus, and ELK Stack.
• Experience leading Splunk-to-Elastic migration projects.
• Knowledge of synthetic monitoring solutions and automated end-user journey testing.
• Experience with Playwright and TypeScript is considered a strong asset.
• Good understanding of distributed tracing, APM solutions, and modern observability concepts.
• Experience deploying monitoring solutions in cloud and microservices environments (AWS and/or Azure).
• Strong scripting and automation skills using Python and/or Bash.
• Experience integrating monitoring and observability components into CI/CD pipelines (GitLab CI, Jenkins).
• Knowledge of Kubernetes and Docker environments.
• Experience with machine learning-based anomaly detection and data correlation is an advantage.

Profile

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or equivalent professional experience.
• Minimum 5 years of experience in Observability Engineering, Monitoring Engineering, Site Reliability Engineering, or a related field.
• Strong analytical and troubleshooting skills with the ability to identify and resolve complex performance issues.
• Proven experience designing enterprise-scale monitoring and observability architectures.
• Strong leadership skills with the ability to drive technical transformation initiatives and mentor technical teams.
• Excellent communication and documentation skills.
• Ability to work effectively with cross-functional teams in complex environments.
• Proactive mindset with strong problem-solving and continuous improvement capabilities.
• Relevant certifications in Dynatrace, Cloud Monitoring, Elastic, or Performance Testing are considered an asset.
• Fluency in English is mandatory. French is considered a strong asset.
• Why Cronos Group?

We’ll propose you

• An attractive salary
• package
• A good work-life balance
• environment
• The assurance of working in
• cutting-edge technologies in an entrepreneurial spirit.
• The opportunity to develop your
• skills thanks to tailor-made training courses according to your
• needs
• A good job in a friendly
• place
• If you wish to
• integrate a dynamic structure on a human scale while working with the latest
• technologies, don't wait anymore and join Cronos!