DevOps Engineer en Zaragosa, España

• Education in Computer Engineering, Mathematics, Physics, Artificial Intelligence, or a related field.

• 4 to 6 years of experience in DevOps / Platform Engineering roles in real SaaS or B2B environments.

• Solid experience with AWS, OVH Cloud and Linux administration (Ubuntu/Debian).

• Mastery of Terraform and building CI/CD pipelines (GitHub Actions / GitLab CI / Jenkins).

• Experience with Docker/Docker Compose in production and load testing (JMeter/Locust).

• Financial acumen (FinOps) and practical knowledge of applied cybersecurity.

• Self-taught person, eager to learn and continuously improve, staying up to date with the latest techniques and tools in the sector.

• Proactive and results-oriented attitude, with effective communication skills and teamwork.

• Knowledge of the National Security Scheme (ENS).

• Use of Kubernetes (K3s, EKS) and experience with IoT / Smart Cities platforms.

WHY LIBELIUM? You will be part of a dynamic, growing company in full international expansion.

• You will receive a Welcome Pack and go through an onboarding process so you have everything clear from day one.

• We are pioneers in the IoT and Digital Twin sector internationally.

• You will be able to grow personally and professionally alongside the Libelium team.

• EFR Measures - Balance, flexibility, and responsibility for the team:

• Teleworking 3 days, 2 days in office (Hybrid) in Spain

• Professional development through training, certifications, and performance evaluations.

• 25 days of vacation, improving upon the collective agreement

• Collective bridge days

• Flexible schedule

• Summer: Intensive schedule, with the possibility of working from 7 AM to 3 PM

• Summer: Full weeks of teleworking with supervisor approval.

• Summer: Teleworking from a second residence or communicated location (Spain)

• Coffee and fruit service in the office at no cost to the team.

• Office locations at WTC Zaragoza and Urban Center Murcia with all kinds of services nearby.

• Teaming team that organizes leisure activities.

• Competitive salary: Fixed + Variable + Flexible compensation.

• Employee club with Happy Tickets: discounts on services and establishments.

• User-friendly employee portal with all the information you need on a daily basis.

• And much more...

At Libelium we develop iris360, the core multi-tenant SaaS/On-Premise platform for IoT, Digital Twins and European Data Spaces deployed in more than 50 cities and public administrations (UNDP, Asturias DXC, Cartagena).

We are looking for a Senior DevOps / Platform Engineer to lead the product infrastructure. Your goal will be to professionalize and automate multi-cloud (OVH + AWS) and on-premise deployments, creating replicable templates, defining the observability strategy and providing cost optimization (FinOps) and baseline security expertise.

• Infrastructure and IaC: Design, isolate and provision environments (PRE, PROD, On-Premise) using Terraform and CI/CD pipelines, eliminating manual processes.

• Performance and Load Testing: Set up external stress environments (JMeter / Locust), define system degradation metrics and build the Performance Matrix (TIER vs Capacity/Cost relationship).

• Observability: Implement the monitoring and alerting stack (Prometheus, Grafana, Loki/ELK) and define the strategy for on-premise environments with limited connectivity.

• FinOps & Optimization: Define cost-efficient instance types before freezing deployment templates and set up spend alerts per client/project.

• Applied Security: Apply basic instance hardening, secrets management (Vault/AWS Secrets Manager), network segmentation, and functional alignment with the ENS (National Security Framework).