Nayagam Sajith Kumar

Experience

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  VEVO Software Trading

  Feb 2014 - Aug 2015

  IT Administrator

  Technical Support for the agents, team leaders, supervisors and all of the people need some assistance from IT stuff. Monitoring the lines that is of the telecommunication and CCTV.Handling the leads that is to clean up the entries to be called by the agents, uploading it and managing it

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  Silverline Information Technology Pvt Ltd.

  Sept 2015 - Nov 2017

  System Administrator

  • Provide 2nd level support for 100 users and different level clients in Sri Lanka• Responsible for supporting: Windows XP/Vista/7/8.1/10 Office 2007 to 2016, Windows Server 2003/2008/2012, Active Directory management, User accounts, Permissions, Share resources, Backup products• Manage and Configurations Cloud Email Server (HostGator, Google apps) and Domain services in nic.lk• Managing the small Microsoft Hyper-virtualization Environment• Designing and Implementing Server Infrastructure Configures, tests and Maintains LAN/WAN equipment’s and related services.• Minimize down time of the Servers, carrying out administrative tasks (System Backup, Restore, patch management, security updates etc.) Show less

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  Fineline Technology

  Dec 2017 - Dec 2021

  Freelance Information Technology Consultant

  Project 01 Asia Power Station Sapugaskanda (Burmeister & Wain Scandinavian Contractor, Denmark)• Configure and Maintain MS Windows 2012 R2 AD Services , MS ExchangerServer 2016 and Kerio Relay email server• Configurations and Maintaining CyberoamCR25UTM Firewall• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructures• Works with the managed service providers to establish overall inventory of hardware and software in the IaaS environment. Ensures the inventory is current• Troubleshoot daily platform issues including Network service, end-user support, and windows server backup • Build Network end-user workstation, install and configure Windows workstation Project 01 Solas Marine Lanka Private Limited Wattala Sri Lanka• Manage Maintain the MS Windows Server 2012 file server and ERP Server• Intercom Telephone Line configure Maintains & Troubleshoot (PABX System)• CCTV System Maintains & Troubleshoot• Troubleshooting issues & Observing ERP (Enterprise Resource Planner)• PC Hardware Maintains & Repair Show less

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  HCLTech

  Jan 2022 - Mar 2023

  Office 365 / Azure Administrator

  Worked on Behalf of HCL for Anglo American PLC UK (Remote Work)• Acting as the Level 2/3 Technical Support Engineer and Managing more than 4,00,000 user mailboxes & providing key technical support to high-profile end users within the organization and ensuring complete satisfaction• Working on DirSync, Azure AD Sync and Azure AD Connect, Hybrid Configuration Wizard Tool• Utilized Windows PowerShell as part of automating and executing Office 365 procedures• Working On ADDS, ADFS, Azure AD & PowerShell commands*Responsibility for resolving problems in most effective way possible within SLA limit through ServiceNow Tickets• Managing exchange server alerts and fixing the same• Perform on Recover mailboxes, audit mailboxes and search for missing items in the Office365 environment using Message Trace and Minecast Message trace• Provide access to users on mailboxes, resources & distribution groups inExchange hybrid environment through Exchange Admin Center• Responsible for resolving all types of Outlook/calendar issues.• Responsible for administration of mail flow issues.• Perform Office 365 Service health check, report issues & update reports Show less

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  Rhino Partners

  Mar 2023 - Apr 2024

  Senior Systems Administrator.

  1.Serve as the primary administrator for Microsoft Intune and Entra ID identity protection and Defender1.1 Design, implement, and enforce Intune policies for device management, compliance, security, and application management.1.2 Collaborate with cross-functional teams to develop and enforce security policies and standards for endpoint devices.1.3 Design and implement proactive remediation solutions via power shell scripts in Intune to identify and resolve endpoint issues and increase security level of the M365 environment.1.4 Manage and maintain patching processes for Windows devices using Microsoft Intune, ensuring timely deployment of security updates and patches.1.5 Troubleshoot and resolve Intune-related issues, ensuring minimal disruption to end-users.2. Defender Administration2.1 Monitor the M365 Defender security score and maintain the secure score at a standard level.2.2 Perform tasks on M365 Defender email submission, analyze suspicious emails via Defender Explore.2.3 Document security policies, procedures, and configurations related to M365/IntuneEntra ID Identity Protection3.1 Oversee the configuration and administration of Entra ID identity protection solutions and design and implement conditional access policies.3.2 Implement and enforce multi-factor authentication (MFA) and related CA policies to enhance security posture.3.3 Monitor user authentication activities and respond to any security incidents or anomalies promptly.3.4 Investigate compromised/risk user accounts and identify root causes of incidents, taking appropriate action accordingly.4. Additional Responsibilities:4.1 Perform tasks on Microsoft Office 365 workloads, including Exchange Online, Teams, OneDrive, and SharePoint Online.4.3 Perform tasks on email migration from Google Workspace to M365 and domain migrations4.3 Deploy custom Patch Management policy for Non Intune Clients Show less