- Company Name
- COMIT
- Job Title
- ADMINISTRATEUR SYSTEMES LINUX F/H
- Job Description
-
**Job Title:** Linux Systems Administrator (F/M)
**Role Summary:**
Responsible for designing, evolving, and managing the technical architecture and infrastructure (servers, databases, networks, storage, virtualization, security) in a hybrid public‑private cloud environment. Ensure performance, resilience, scalability, security compliance, and automation while supporting operational teams and on‑call rotation.
**Expactations:**
- Deliver reliable, secure, and scalable Linux‑based infrastructure.
- Continuously improve performance, automation, and monitoring.
- Maintain up‑to‑date documentation and knowledge base.
- Participate in on‑call duty and incident response.
- Promote best practices in security, quality, and DevOps.
**Key Responsibilities:**
- Design and evolve architecture (systems, DBs, network, storage, virtualization, security).
- Evaluate, select, and integrate new solutions into the service catalog.
- Deploy and maintain infrastructure components (Linux servers, MySQL, PostgreSQL, Redis, RabbitMQ, Nginx, Apache, PFsense, Kubernetes).
- Monitor platform health, security devices (firewall, antivirus, bastion), and handle incidents.
- Apply patches, updates, and upgrades; ensure Kubernetes cluster security.
- Manage access control, system hardening, backup/recovery (PRA/PCA), and security audits.
- Develop and maintain Ansible playbooks, Terraform scripts, and metrics dashboards for automation.
- Support internal teams, translate requirements into technical solutions.
- Contribute to on‑call rotation and incident escalation processes.
**Required Skills:**
- Strong Linux systems administration (RHEL/CentOS, Ubuntu)
- Experience with hybrid cloud (AWS, OVHcloud or similar) and virtualization technologies
- Proficient in networking, firewalls (PFsense), and security hardening
- Database administration (MySQL, PostgreSQL) and messaging/ caching (RabbitMQ, Redis)
- Container orchestration with Kubernetes; familiarity with Helm, operators
- Automation/Infrastructure‑as‑Code: Ansible, Terraform, GitLab CI/CD
- Monitoring and logging tools, metric collection, and dashboard creation
- Good organizational, communication, and teamwork abilities
- Ability to document procedures and maintain knowledge bases
**Required Education & Certifications:**
- Bachelor’s or Master’s degree (Bac+5) in Computer Science, Information Technology, or related field.
- Relevant certifications are a plus (e.g., Certified Kubernetes Administrator (CKA), Red Hat Certified Engineer (RHCE), Linux Professional Institute Certification (LPIC), AWS Certified Solutions Architect).