IT Systems and Security Administrator freelance Ref. 005483
Missions
Windows and Linux Administration:
- Install, configure, and maintain Windows and Linux servers.
- Perform OS hardening and regular updates.
Network Management:
- Design and manage LAN, WAN, and VPN networks.
- Ensure network security and troubleshoot issues.
Virtualization:
- Manage virtualization environments (VMware, Hyper-V).
- Optimize resource allocation and usage.
SQL Server Administration:
- Install, configure, and maintain SQL Server.
- Perform database tuning and backup/recovery.
Security and Compliance:
- Implement IT security policies and procedures.
- Ensure PCI-DSS compliance.
- Conduct security audits and risk assessments.
Support and Troubleshooting:
- Provide technical support and resolve system issues.
- Document system configurations and procedures.
Skills & Experience
Education:
- Degree in Software Engineering (Bachelor's / Master’s degree), 3-5 years of experience as a Windows System Administrator in an issuing processing environment
Special skills:
- Knowledge of Windows Server, Linux, network protocols, and security best practices
- Experience with virtualization (VMware, Hyper-V) and SQL Server
- Familiarity with OS hardening, PCI-DSS compliance, and IT security
- Relevant certifications are preferred
Foreign languages:
- Fluent English is a must
- Fluent French is preferable
Others:
- Autonomous, rigorous and pragmatic
- Team-worker within cross-cultural environments
- Strong verbal and written communication skills with the ability to liaise with a variety of stakeholders
- Problem solving skills
- The ability to work under pressure
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