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Senior
Registration: 03.10.2026

John Ramisch

Specialization: Windows System Administrator
— Microsoft-focused Systems Administrator with 8+ years of IT support and infrastructure experience, including Active Directory, Microsoft Entra ID, Microsoft 365, Intune, Windows Server, SCCM and PowerShell automation. — Experienced in identity, endpoint management, security, deployment and L2/L3 troubleshooting. — Currently working in QA, adding stronger defect analysis and cross-functional troubleshooting skills while remaining hands-on with enterprise IT environments.
— Microsoft-focused Systems Administrator with 8+ years of IT support and infrastructure experience, including Active Directory, Microsoft Entra ID, Microsoft 365, Intune, Windows Server, SCCM and PowerShell automation. — Experienced in identity, endpoint management, security, deployment and L2/L3 troubleshooting. — Currently working in QA, adding stronger defect analysis and cross-functional troubleshooting skills while remaining hands-on with enterprise IT environments.

Skills

Microsoft Entra ID
Microsoft 365
Microsoft Intune
Active Directory
PowerShell
Windows Server
SCCM
MDT
Exchange Online
Azure
Group Policy
Identity & Access Management
VBS
ServiceNow
Hornet Security
MobileIron
IBM Notes
L2/L3 Support
Incident Management
Technical Documentation
Application Packaging
Endpoint Standardization
Functional Testing
Regression Testing
Smoke Testing
Defect Reporting
Release Validation

Work experience

QA Engineer
since 03.2026 - Till the present day |Keeneo
Functional Testing, Regression Testing, Smoke Testing, Defect Reporting, Release Validation
● Use infrastructure and systems expertise to troubleshoot environment, access and configuration issues affecting application quality. ● Design and execute functional, regression and smoke tests; document defects with clear reproduction steps and technical evidence. ● Collaborate with developers, product owners and support teams on release readiness and incident analysis.
System Administrator
05.2024 - 03.2026 |Keeneo
Active Directory, Microsoft Entra ID, Microsoft 365, Microsoft Intune, PowerShell, Exchange Online, Hornet Security, ServiceNow
● Administered Active Directory, Microsoft Entra ID and Microsoft 365 identities, access and security controls. ● Managed Windows endpoints with Microsoft Intune, including device configuration, deployment and application packaging. ● Automated recurring administration tasks with PowerShell, reducing manual workload by approximately 30%. ● Managed Exchange Online and Hornet Security controls, improving protection against phishing and spam. ● Provided L1/L2 infrastructure and user support through ServiceNow, reducing resolution time by approximately 50%. ● Designed and implemented Service Desk procedures to improve support consistency and operational efficiency.
Workstation Administrator
2020 - 2023 |Econocom / Toulouse Métropole
SCCM, PowerShell, VBS, MDT
● Deployed and maintained enterprise applications through SCCM and packaged applications using PowerShell and VBS. ● Managed MDT images and standardized Windows workstation environments. ● Provided L2/L3 support for complex workstation, application and infrastructure incidents.
IT Technician
2017 - 2019 |Econocom / Consort NT
Windows, Microsoft 365, IBM Notes, MobileIron
● Delivered L1/L2 support in business-critical Windows, Microsoft 365 and IBM Notes environments. ● Managed mobile devices with MobileIron and performed server and hardware maintenance.

Educational background

IT Support Technician
Till 2016
ADRAR
Advanced IT Support Technician
Till 2016
ADRAR

Languages

FrenchNativeEnglishProficientRussianIntermediate