IT Systems and Security Administrator freelance
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
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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