Systems & Network Administrator / Kubernetes – Terraform (M/F)

Project overview

Mission Context

As part of strengthening its IT teams, a company operating in the industrial and technology sectors is looking for an experienced Systems & Network Administrator.

You will be involved in the administration, evolution, and security of IT infrastructures, in an environment integrating containerization, automation, and infrastructure as code technologies.

The position requires dual expertise in systems and network administration, with particular attention to infrastructure security and firewall management.

Your Main Missions

Systems and Infrastructure Administration

Containerization and Automation

Network Administration and Security

Documentation and Continuous Improvement

Technical Skills Sought

Essential Skills:

Appreciated Skills:

Mission Conditions

Profile Sought

Work Environment

• Administer, maintain, and evolve system infrastructures.
• Ensure the availability, performance, and reliability of environments.
• Participate in the evolution and optimization of existing infrastructures.
• Diagnose and resolve system and network incidents.
• Administer and operate Kubernetes environments.
• Participate in the deployment and management of infrastructures with Terraform.
• Automate administration and deployment operations.
• Contribute to the improvement of DevOps and Infrastructure as Code practices.
• Administer and secure network infrastructures.
• Participate in defining and implementing network security rules.
• Ensure the configuration and administration of firewalls.
• Manage filtering rules, port openings, and network traffic.
• Monitor and secure communications between different environments.
• Analyze network and security-related incidents.
• Ensure the proper application of security policies and best practices.
• Write and maintain technical documentation.
• Participate in the continuous improvement of infrastructures.
• Collaborate with technical teams on IT system evolution and security projects.
• Proven experience in systems and network administration.
• Good command of Kubernetes.
• Good command of Terraform and Infrastructure as Code.
• Solid knowledge of network security.
• Concrete experience in firewall administration and management.
• Mastery of managing filtering rules and network traffic.
• Ability to diagnose and resolve system and network incidents.
• Linux environments.
• Cloud technologies and DevOps practices.
• Automation and scripting.
• Supervision and monitoring tools.
• Management of virtualized environments.
• Knowledge of network architectures and infrastructure security mechanisms.
• Contract: Permanent contract (CDI) or Freelance contract.
• Location: Plouédern (29), Brest area.
• Arrangement: Hybrid, with 2 to 3 days of remote work per week.
• On-site presence: 2 to 3 days per week mandatory.
• Full remote: Not compatible with the position.
• Start date: As soon as possible.
• You have significant experience in systems and network administration.
• You have previously worked with Kubernetes and Terraform environments.
• You possess real experience in network security and firewall administration.
• You are autonomous, rigorous, and capable of taking charge of technical subjects.
• You enjoy teamwork and can communicate with various technical stakeholders.
• Technical environment focused on systems, networks, and Cloud/DevOps infrastructures.
• Business sector: industry and technologies.
• Infrastructures integrating Kubernetes, Terraform, and automation solutions.
• Significant challenges related to infrastructure availability, performance, and security.
• Collaboration with technical teams on IT system evolution and modernization projects.
• Hybrid arrangement: 2 to 3 days of remote work per week, with mandatory on-site presence in the Brest area.
• Position not compatible with full remote.

Project details

• Start: ASAP
• Duration: 1 an renouvelable
• Remote: hybrid
• Location: Plouédern, Bretagne, FR
• Languages: French