- Company Name
- Oppida
- Job Title
- Administrateur système réseau/Administratrice système réseau
- Job Description
-
**Job Title:** Network and System Administrator
**Role Summary:**
Responsible for installing, configuring, deploying, and maintaining Oppida’s information systems and network infrastructure. Ensure robust security, compliance, and high availability of servers, workstations, firewalls, and related services while providing advanced technical support to users and collaborating with cybersecurity teams.
**Expectations:**
- Minimum 3 years of experience in system and network administration.
- Proven ability to manage and secure complex IT infrastructures.
- Strong communication skills to translate operational needs into secure technical solutions.
- Ability to work independently and in cross‑functional teams within a fast‑paced, security‑focused environment.
**Key Responsibilities:**
- Install, deploy, and maintain servers, workstations, and virtual environments (VMware ESXi).
- Configure and manage Stormshield firewalls and class 1/0 security gateways (II 901).
- Deploy and configure Active Directory, EDR solutions, and hardware per security targets.
- Master image creation for PCs and servers; manage hardware/software inventory.
- Design secure architectures and implement security measures complying with ANSSI, II 901, IGI 1300, II 900 standards.
- Perform daily infrastructure management, monitoring, and incident resolution (Zabbix, Zentyal).
- Develop and execute backup and disaster‑recovery strategies.
- Provide tier‑2/3 technical support, user onboarding, and security best‑practice training.
- Maintain up‑to‑date documentation of configurations, procedures, and system topology.
**Required Skills:**
- Windows Server administration and desktop support.
- Linux system administration.
- VMware ESXi virtualization.
- Container technologies (Docker, Kubernetes).
- Firewall configuration (Stormshield) and network security.
- Experience with PRIM X tools (CRYHOD, ZONECENTRAL, ZED).
- Monitoring tools (Zabbix).
- Knowledge of SecNumCloud and major cloud providers.
- Understanding of ANSSI security guidelines and defense sector standards (II 901, IGI 1300, II 900).
- Strong troubleshooting, scripting (PowerShell/Bash), and documentation abilities.
**Required Education & Certifications:**
- Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent professional experience).
- Relevant certifications preferred (e.g., CompTIA Network+, Microsoft Certified: Windows Server, VMware Certified Professional, ANSSI‑related accreditations).