
William Touzalin
Senior IT Manager | IT Systems & Support
Salaire / Taux journalier
Paris, France
Freelance
Peut venir sur site
Expertises
Langues
À propos
Introduction
IT Manager with 8+ years of leadership experience building IT infrastructure from scratch across global tech companies. Expert in Google Workspace, Azure/Office365, and security implementation, with proven success scaling IT operations internationally and reducing manual processes through automation. Specialized in end-to-end IT system design, team leadership, and delivering cost-effective solutions for growing organizations.
Expérience de travail
IT Manager
DataDome
janv. 2022 - janv. 2026
4 ans 1 mois
Paris, France
Under the supervision of the SRE Head, Leading IT operations and support for 200 users across 3 countries (France, US, Singapore), I provide IT operations and support, define, build out, own the company's IT systems and processes. As the company’s growing, spreading IT best practices while suggesting cost effective solutions and anticipating the company’s scale. • Sys admin role & tasks on JumpCloud, Google Workspace, Office365 /Azure AD, Slack and Jira/Confluence. (users/groups/OU management, security policies, GCPW, Shared Drives, logs creation...) • Maintain the systems used by the company, including devices, network, and apps. • IT Budget calculation with forecasting . Install, Improve ticketing system/ITSM with Jira. • Assisting InfoSec Department / CISO for SOC-2 type 2 attestation. • Daily End user support on site /remote for 200 users (Hard/ Soft/ AV-VC / Security / Wi-Fi) write down all IT documents and processes (User provisioning, IMACD). • Ensure strong internal support for company staff (software, hardware, on-boarding /off-boarding). All-around ability to troubleshoot MacOS, Windows, Linux, iOS, and Android. • Define and scale processes for IT support, hardware lifecycle, asset management. • Propose, plan, and build out solutions for OS and identity management, and other IT infrastructure Internally. • Tenaciously automate as many processes as possible to reduce manual labor and eliminate the likelihood of human error. • Support the overall company's security by internally running audit and verifying logs (antivirus, Google Workspace) • Video Conferencing rooms support.
IT specialist & Manager
TableCheck
sept. 2019 - oct. 2021
2 ans 2 mois
Tokyo, Japon
– Under the supervision of the Head of IT, as IT specialist/IT manager, I provided IT operations and support, define, build out, own the company's IT systems and processes. Because the company is growing, I need to spread IT best practices while suggesting cost effective solutions. I need to be ready as well to scale both within Japan and internationally. Started from scratch : – write down all IT documents and processes (IMACD, network topology). – Ensure strong internal support for company staff (software, hardware, on-boarding/off-boarding). All-around ability to troubleshoot MacOS, Windows, ChromeOS, iOS, and Android. – Purchased the antivirus solution and designed security Policies. – Upgrade current Windows version to Pro and implement security (e.g. BitLocker, GPO, etc...). – Sys admin role on Google Workspace, Office365/AzureAD, Sharepoint, Slack and Jira/Confluence. (users/groups/OU management, security policies, GCPW, Shared Drives, OneDrives, logs creation...) – Maintain the systems used by the company, including devices, network, and apps. – Install & Improve ticketing system/ITSM with Jira and stats. – Define and scale processes for IT support, hardware lifecycle, asset management. – Propose, plan, and build out solutions for OS and identity management, and other IT infrastructure Internally. – Tenaciously automate as many processes as possible to reduce manual labor and eliminate the likelihood of human error. – Support the overall company's security by internally running audit and verifying logs (antivirus, Google Workspace) – Hire, train, and lead the team member (IT support role from Feb.2021). – Once done, to act at level-2 support. Project on-going (partially finished) : – Migration of the windows flot to Chromebooks. – Windows management under Google Workspace. – Windows package management with Chocolatey.
Wintel Sys Admin & IT Support
Quraz Ltd.
juil. 2017 - sept. 2019
2 ans 3 mois
Tokyo, Japon
– Azure & Cloud computing, Administered virtual machines – Windows server and Active Directory domain management. – Managed and created AD accounts, network shares, and printing services. – Monitoring – Monitored system performance and diagnosed software/hardware problems with performance monitor, Network monitoring, – Administered site anti-virus – data backups – performed data restore for users as needed – Produced, maintained, and improved documentation on various internal processes. – Some security task and very few data analysis as well as few projects. ** IT Support ** – track issues via a ticketing system. – Office 365 – VDI – Android, – smart card & security (physical access)
IT engineer
BIOS, Inc.
avr. 2012 - juil. 2017
5 ans 4 mois
IT support on site
UBS
avr. 2017 - juin 2017
3 mois
Tokyo, Japon
on behalf of BIOS IT oursourcing company
Field Services Engineer
nov. 2016 - mars 2017
5 mois
Tokyo, Japon
on behalf of my IT outsourcing company BIOS, end user support on site.
IT Engineer
HP Enterprise Services
avr. 2012 - août 2016
4 ans 5 mois
Tokyo, Japon
WINTEL ENGINEER ON SITE FOR HP CUSTOMERS (VALE, Fonterra) As a member of a global IT team geographically located across several locations in APAC –Daily End user support on site /remote (Hard/ Soft/ AV-VC / Wi-fi). –Wintel Server Administration (Domain Controller, File server, Back-up, AD, NTFS Security). –Providing support on all Projects impacting Japan (Servers refresh / Win7 wks migration). –Escalation/Communication about particular issues and requirements for Tokyo Office. –Daily Back-up monitoring. –Script automation writing with PowerShell (for Win7 migration project & reporting). –Documentation writing, Network organization, cabling, Inventory Management, Hardware moving... –Audit & control: ensure that deployed solutions are properly working (e.g.WSUS, Process, Back-up, Hardware guaranty).
Video-Conference Support
Bank of America
août 2011 - févr. 2012
7 mois
Tokyo, Nihombashi
IT Engineer
Credit Suisse
avr. 2011 - juil. 2011
4 mois
Short-term Hardware/Software Upgrade Project. –Build & OS Install workstation/Laptop –Hardware/Software issues Resolving on site –Maintain inventory –Liaise with Vendor
IT Engineer
IT Support ASIA
mai 2008 - oct. 2009
1 an 6 mois
free-lance
CMS Web Project Manager
PERITECH
sept. 2006 - mai 2008
1 an 9 mois
Small projects management (from 2~5 peoples) and standard specifications writing – CMS Website development on Typo3 and TeamSite (INTERVOWEN) Secondary Tasks – Helpdesk for our customers. Hardware and Software repairs – Win 2003 installation and configuration – Linux Server administrator (web installation, mailbox management with cPanel) – Structured LAN Cabling.
IT Support
Tokyo IT Services
avr. 2006 - août 2006
5 mois
– Hardware repairs and Software installation. (XP, 2000, Ghost, laptop, desktop, wireless, ...) – Microsoft Servers installation and troubleshooting – Data recovery, procedures writing
Back-up Inventory
Credit Suisse
juin 2005 - juin 2005
1 mois
Within an Audit project, data Back-Up inventory and procedure verification
Security & WINTEL ADMIN
Accor Services
juin 2002 - mai 2004
2 ans
Managing the network security of the headquarter and 30 worldwide subsidiaries (40 Firewalls and 100 VPN) – PIX Cisco firewall management, maintenance, monitor and troubleshooting. – 3rd technical level for IT Technicians and IT managers in 30 subsidiaries. – Monitor and support Network and VPN infrastructure (4 floors in primary office) – Secures web system with Linux solutions (300 web sites with Windows 2000-2003) – Project manager junior (IOS upgrade, ADSL/PIX installation) – VPN client accounts management (Creation and troubleshooting – over 1500 users). – Documentation on builds, processes, plans, disaster recovery policies and procedures. – Windows 2000 / 2003 Administrator, back-up management
Wintel System Administrator
Caisse des dépôts
déc. 2001 - mai 2002
6 mois
– Administration and management of Windows infrastructure servers such as Domain Controller, DNS, DHCP, IIS servers, print management and e-mail box (15 000 users、80 servers, ) . – NT4 and W2K servers installation, configuration, problem solving and performance optimization – Printers and servers installation, maintenance and monitoring. – Hp server hardware maintenance, troubleshooting, repair and monitoring. – Back-up ArcServe server maintenance, troubleshooting, repair and monitoring. – Last level technical support for our Helpdesk technicians' team and developers' team.
Software Auditor
CEA
nov. 2001 - déc. 2001
2 mois
Audit of the Software Portability to new Microsoft OS
IT Technician
EDF
janv. 2000 - juin 2000
6 mois
HELPDESK SUPPORT
Network Technician
Cegetel
juin 1999 - déc. 1999
7 mois
Helpdesk Support
ALLIUM/ SCH
avr. 1997 - mai 1999
2 ans 2 mois
Helpdesk Support for : –Renault, Salesmen –Hachette Edition, Salesmen –MSD, Salesmen
Technician on site / Inventory
Info Service +
janv. 1997 - mars 1997
3 mois
Website programmer/designer junior
KTT
oct. 1996 - déc. 1996
3 mois
Technician on site
Info Services +
sept. 1996 - sept. 1996
1 mois
Helpdesk Support
Cofinoga
avr. 1996 - sept. 1996
6 mois
Temporary Staff
Formation
Lycee Professionnel Jacques Prevert
Vocational School, IT, Network and System Administration
1994 - 1996
2 ans 1 mois
Lycee Professionnel Jacques Prevert
Vocational School, Electronic (BEP)
1992 - 1994
2 ans 1 mois
Licences et certifications
JLPT4 - 4Kyu / N5
Délivré le : –
JLPT3 - 3Kyu / N4
Délivré le : –
6.00.1x: Introduction to Computer Science and Programming Using Python
Délivré le : –
MCSE1 Windows Server NT4
Délivré le : –
MCP 70-290, Windows Server 2003
Délivré le : –
Certified AWS Cloud Practitioner
Délivré le : –
CCNA
Délivré le : janv. 2010
Portfolio
