Administrateur systèmes sénior - Infrastructure, O365 & cybersécurité

Qualifications

• Bachelor's degree in Computer Science or equivalent experience
• Over 10 years of experience in IT infrastructure
• Experience managing O365 (Exchange, SharePoint, Teams, Entra ID)
• Proficiency in Windows Server
• Expertise in VMware & Azure virtualization
• Strong knowledge of SAN systems (PureStorage)
• Familiarity with Fortinet equipment and products
• Experience in cybersecurity practices (MFA, PAM, SIEM, NIST guidelines)
• Advanced networking skills
• Strong sense of responsibility
• Ability to manage critical environments
• Proactive risk-oriented approach
• Documentary diligence
• Team collaboration skills
• Autonomy and detail-oriented
• Comprehensive understanding of IT challenges
• Strong analytical skills
• Functional English proficiency for documentation and international communication

Responsibilities

• Administer and secure IT infrastructure
• Manage physical and virtual servers (VMware, Azure)
• Oversee SAN storage units
• Manage O365 services and Entra ID including identities, access, and MFA
• Enhance cybersecurity measures such as EDR, logs, SIEM, audits, and vulnerability assessments
• Administer backup systems and disaster recovery procedures
• Ensure availability, resilience, and protection of information assets

Benefits

• Opportunity to work in a critical IT environment
• Exposure to advanced technologies and tools in O365 and cybersecurity
• Collaborative team atmosphere
• Proactive role with a focus on risk management
• Engagement with international clients and documentation