Kubernetes Production Engineer

Project overview

We are looking for a Kubernetes Production Engineer / Go to work with one of our banking clients based in Guyancourt as part of the development, deployment, maintenance, and evolution of Kubernetes containerization platforms hosting critical applications.

You will join a team specialized in cloud-native technologies, responsible for ensuring the stability, performance, security, and high availability of production environments.

You will be involved in design, automation, and optimization projects for containerized infrastructures, within a demanding technical environment relying notably on Kubernetes, Go, Docker, Helm, and CI/CD tools.

Responsibilities

Required skills:

Profile sought:

We are looking for an experienced Kubernetes Production Engineer with 6 to 10 years of experience in system administration, with proven expertise in containerization technologies and Kubernetes environments.

You have mastered the development of Kubernetes operators in Go (Golang), as well as the deployment, administration, and operational maintenance of Kubernetes clusters in production.

You have solid knowledge of Linux environments, cloud-native architectures, and continuous integration and deployment automation tools such as Helm, GitLab CI/CD, FluxCD, and ArgoCD.

You are capable of intervening across the entire lifecycle of containerized platforms, from needs analysis and technical design to deployment, supervision, maintenance, and incident resolution.

Significant experience with critical infrastructures requiring high standards of availability, security, and performance will be particularly appreciated.

Autonomous, rigorous, and with excellent analytical skills, you know how to take initiative, manage multiple technical subjects in parallel, and collaborate effectively with development, production, and architecture teams.

Your technological curiosity, your ability to propose improvements, and your mastery of Agile methodologies will enable you to actively contribute to the evolution of Kubernetes platforms.

Education: Master's degree in Computer Science or Systems

Experience: 6 to 10 years

English: Operational

Remote Work: 2 days per week

• Analyze technical needs and design solutions adapted to production environments.
• Design, develop, maintain, and evolve Kubernetes operators in Go (Golang).
• Deploy, administer, and maintain Kubernetes clusters in a production environment.
• Ensure the deployment, configuration, and maintenance of Kubernetes operators.
• Guarantee the stability, performance, security, and high availability of containerized platforms.
• Participate in the BUILD and RUN activities of Kubernetes infrastructures.
• Automate infrastructure deployment and management processes using CI/CD tools.
• Implement and maintain continuous integration and deployment pipelines with GitLab CI/CD, FluxCD, and ArgoCD.
• Ensure monitoring and observability of platforms with Prometheus, Grafana, and ELK.
• Diagnose and resolve technical incidents related to Kubernetes clusters and containerized applications.
• Participate in the continuous improvement of environment performance and reliability.
• Write and maintain technical documentation for platforms and operating procedures.
• Collaborate with the Tech Lead, Product Owner, and technical teams in an Agile environment.
• Participate in Agile rituals and contribute to the estimation and planning of technical activities.
• Stay updated on technological advancements in cloud-native solutions, Kubernetes operators, and development technologies.
• Mastery of Kubernetes operator development in Go (Golang): design, development, deployment, and maintenance.
• Proven expertise in Kubernetes: administration, deployment, configuration, and troubleshooting.
• Solid experience with containerization technologies: Docker and Podman.
• Good command of Helm and container orchestration tools.
• In-depth knowledge of Linux environments and distributed systems.
• Proven experience with CI/CD pipelines: GitLab CI/CD, FluxCD, and ArgoCD.
• Mastery of monitoring and observability tools: Prometheus, Grafana, and ELK.
• Good knowledge of service exposure and Kubernetes network management solutions: MetalLB and Istio.
• Good understanding of microservices and cloud-native architectures.
• In-depth knowledge of the CNCF (Cloud Native Computing Foundation) ecosystem.
• Experience in incident management, diagnosis, and problem-solving in a production environment.
• Good knowledge of high availability, performance, and security issues for containerized infrastructures.
• Experience in BUILD and RUN activities.
• Mastery of development best practices, code quality, and technical documentation.
• Operational English for reading technical documentation and communicating with international teams.

Project details

Long-term contract

Start Date: ASAP

• Start: 2026-11-09
• Duration: 24 mois
• Location: 78297 Guyancourt, FR
• Languages: French