About the job
Job Title: System and Network Administrator
Seniority: Level 3
Location: Paris 15
Duration: Minimum 6 months (Freelance)
Start Date: ASAP
As a System and Network Administrator, you will play a crucial role in managing and securing our IT infrastructure. Your responsibilities will include -
Security and Prevention:
- Email administration
- Security of Windows systems (Servers and workstations)
- Security and prevention of network equipment (Switch and wifi)
- Management and administration of IS security software (AV, Firewall, webfilter, etc.)
Technology Monitoring and Updating:
- Active participation in technology monitoring
- Keeping systems and network equipment up-to-date
User Support:
- Level 3 support on workstations
- Active Directory Administration
- Systems monitoring and incident resolution support
Network Management:
- SD WAN management
- Technical incident management for network issues
- Installation of network infrastructures
Security Expertise:
- Network Security: Fortinet Firewall, security policy management, WAF, IDS, IPS
- Implementation of Single Sign-On (SSO) and associated authentication protocols with Azure AD
- Workstation security: EDR Cortex, BitLocker, Windows Hello
- Cloud security: Cisco Umbrella, Ironscales
- Identity Management: ADDS, ADCS, Azure AD, MFA
Technical Environments:
- Operating systems: Windows 2016 to 2022, Linux Debian
- Collaborative tools: Microsoft 365 (Teams, SharePoint Online)
- LAN-WAN Network Monitoring
- MDM: Microsoft Intune
Networks:
- Administration of active network equipment
- Aruba Switch and AP, Aruba Central, Clearpass
We are seeking a qualified System and Network Administrator with the following:
- 3 to 5 years of experience in managing complex IT infrastructures
- Excellent knowledge of the latest technological trends
- Mastery of concepts and implementation of SSO and associated authentication protocols with Azure AD
- Installation of network infrastructures
- Strong expertise in network security: Fortinet Firewall, WAF, IDS, IPS
- Autonomous with a strong spirit of analysis and synthesis
- Technical proficiency in English
- Familiarity with collaborative tools such as Microsoft 365 (Teams, SharePoint Online)
- Experience with LAN-WAN Network Monitoring
- Knowledge of Workstation: Windows 10 and Windows 11, Office 365, iOS
- Familiarity with MDM: Microsoft Intune