Jaison Chellappa
IT System Administrator @sonnen GmbH
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WORK HISTORY
IT System Administrator @sonnen GmbH
IT Support / IT System Admin • L1,L2 & L3 - IT Support • ITSM - Jira IT Helpdesk Designing and Configuration • On/Off/Cross Boarding • Mac OS, iOS & Android,Ubuntu,CentOS • Windows 11/10/8/7/XP • Hardware/Voip/Apps/Peripherals • Lan,Wifi (Ubiquity,Meraki),Vlan,SDWan,VPN • IT Inventory and Procurement • Documentation-IT Admin Handbook with Knowledge baseSaaS Admin/IAM• Microsoft365, Intunes, Sharepoint, Teams, Office 365, Google Workspace• IdP- Azure Entra ID,Okta, Onelogin• Apps integration-Saml,OIDC,SCIM,OAuth,API• SaaS Apps: Administration and License management.Security • Antivirus/Identity Access control • MDM-Intune, Sccm, JamfSystems• Active Directory (Onprem & Cloud)/VoIP Telephony• Firewall: Sophos XG, Fortinet• Switches : HP Aruba • Server Support : Windows/Linux Servers, Email Server,Citrix XenApp.• Bash/Bourne shell scripts.
EDUCATION
Anna University
Bachelor of Engineering (B.E.)
ABOUT JAISON CHELLAPPA
An IT professional with several years of experience in the IT industry. Adept at managing…
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