- Company Name
- Citron®
- Job Title
- Ingénieur/Ingénieure DevOps (H/F) - CDI
- Job Description
-
**Job Title**
DevOps Engineer (H/F) – Full Time
**Role Summary**
Senior DevOps Engineer responsible for enhancing the quality, security, and efficiency of the company’s cloud‑native infrastructure. Engages across multiple ongoing projects to implement Infrastructure as Code, FinOps practices, and continuous improvement of CI/CD pipelines and observability.
**Expactations**
- Deliver robust, scalable infrastructure on AWS compliant with security and cost management standards.
- Drive automation and IaC adoption with Terraform across all environments.
- Continuously improve observability, alerting, and logging strategies.
- Mentor and train software teams on infrastructure and security to reduce single points of failure.
- Keep all open‑source components (Kubernetes, Docker, ClickHouse, Prometheus, etc.) up‑to‑date and optimised.
**Key Responsibilities**
1. Design, implement, and maintain Terraform modules for managed services (EKS, RDS, S3, etc.).
2. Optimize infrastructure cost through FinOps practices and resource right‑sizing.
3. Update, patch, and secure open‑source components including Kubernetes, ClickHouse, Prometheus.
4. Enable functional squads to deploy infrastructure components via CI/CD (GitHub Actions, ArgoCD).
5. Enhance platform monitoring/alerting using Prometheus, Grafana, Loki, CloudWatch, and propose preventive actions.
6. Refine logging pipelines: select relevant logs, reformat, and rationalise.
7. Optimize CI processes and Docker image builds to reduce build times and resource usage.
8. Provide security training and best‑practice guidance to engineering teams, mitigating single points of failure.
**Required Skills**
- 3–4 years of DevOps experience focused on Kubernetes and Terraform.
- Proficiency with Docker, local dev environments, and Linux server administration.
- Hands‑on AWS knowledge (EC2, EKS, IAM, Security Groups, CloudWatch).
- Experience with CI/CD tooling (GitHub Actions, ArgoCD, Jenkins/Bamboo).
- Understanding of monitoring stacks (Prometheus, Grafana, Loki) and log management.
- Familiarity with FinOps principles and cost‑optimisation strategies.
- Strong scripting (bash, Python, or equivalent) for automation.
- Knowledge of database systems (MongoDB, ClickHouse, Neo4j) is a plus.
- Ability to communicate complex technical concepts to cross‑functional teams.
**Required Education & Certifications**
- Bachelor’s degree in Computer Science, Engineering, or related technical field.
- Certifications such as AWS Certified Solutions Architect, Certified Kubernetes Administrator (CKA), or Terraform Associate are highly desirable.