- Company Name
- AAREON FRANCE
- Job Title
- System & Security Administrator confirmed
- Job Description
-
Job title: System & Security Administrator
Role Summary: Ensure uninterrupted operation, security and effective administration of the organization’s IT infrastructure, covering operating systems, virtual environments, identity & access management, backup, and network assets.
Expactations: Minimum 3 years of hands‑on experience in system, infrastructure, network and security administration; professional English (read/write); strong sense of responsibility, analytical ability, autonomy, teamwork, and priority management.
Key Responsibilities:
• Process support tickets (tier 1‑3) and provide end‑user technical assistance.
• Monitor daily system health (alerts, logs, monitoring tools).
• Manage backups: run, verify, and test restorations.
• Maintain accurate IT documentation (procedures, processes).
• Install, configure, and maintain Windows, Linux (SLES/Red Hat), and macOS.
• Administer virtualized environments (VMware or equivalent).
• Control identities and access: Active Directory, Entra ID, IAM, SSO, MFA, LDAP, Intune, Exchange Online, Teams.
• Manage cloud collaborative services and application deployments with version control.
• Oversee hardware assets (workstations, mobile devices, printers) and inventory.
• Participate in physical network infrastructure maintenance (cabling, patch panels).
• Implement security policies, apply patches, analyze vulnerabilities, and respond to incidents (antivirus, EDR, proxy).
• Handle physical site access (badges, alarms).
• Contribute to infrastructure projects, migrations, and new environment integrations.
• Write and update technical documentation for projects.
• Ensure compliance with quality and security standards (ISO 9001, ISO 27001, SOC 1/2/3).
• Propose technical and organizational optimizations; conduct regular cyber‑security and technology watch.
Required Skills:
• Proficiency with Windows (client/server), Linux (SLES/Red Hat), macOS.
• Networking fundamentals: TCP/IP, VLAN, firewall, DNS, DHCP, VPN, proxy.
• Identity & access management (Active Directory, Entra ID, IAM, SSO, MFA, LDAP, Intune).
• Ticketing, monitoring and SIEM/SOC tools.
• Configuration management & deployment (Puppet, Foreman, MDT, Chocolatey).
• Virtualization (VMware or similar).
• Backup solutions (Veeam, NAS).
• Knowledge of ISO 9001, ISO 27001, SOC 1/2/3 standards.
• Basic scripting (PowerShell, Bash).
• Project methodologies – V‑model, Agile.
• Professional written and spoken English.
Required Education & Certifications: Bachelor’s (Bac + 3) or Master’s (Bac + 5) degree in Information Systems, Networks, Cybersecurity, or equivalent, with a minimum of 3 years relevant experience.