Debasmita Ghosh
London,UK
Summary
IT professional with expertise in server administration, network technologies, and cloud solutions. Proficient in managing Windows Server 2012+, Exchange Server 2013+, and Active Directory, alongside Linux systems like CentOS and Ubuntu. Strong analytical skills and proven ability to manage tasks independently. Experienced in virtualization platforms such as VMware vSphere 6.0+ and Hyper-V 2012+, as well as cloud technologies including Azure and Office 365.
Overview
10
10
years of professional experience
1
1
Certification
Work history
Infrastructure Specialist
Quorum Information Technologies
Kitchener, Canada
08.2024 - 02.2025
- Proactively monitored and optimized SQL Server performance by analyzing query execution plans, indexes, and server configurations.
- Prevented recurring performance degradation issues by introducing baseline performance metrics and threshold-based alerts using SQL Server Agent and Performance Monitor.
- Served as a primary point of contact for escalations, troubleshooting critical infrastructure issues efficiently.
- Administering and supporting and automating task with Azure Entra ID, RBAC and conditional access, Logic apps, Powershell.
- Solely managed the projects for data reporting environment using Azure Synapse, optimizing performance and data integrity.
- Administered and maintained the Azure Virtual Desktop (AVD) environment, deploying users and applications through Azure DevOps pipelines.
- Acted as an escalation point for complex support issues, mentoring junior engineers and sharing technical expertise.
- Led incident response efforts during high-priority outages, collaborating across teams to ensure rapid resolution.
- Implemented and maintained cloud-based infrastructure using Azure Virtual Machines and Azure DevOps pipelines.
- Authored technical documentation and provided knowledge transfer sessions to ensure team capability growth.
- Conducted regular vulnerability assessments on the server environment and implemented remediation strategies to enhance security.
- Led and successfully resolved critical infrastructure incidents, minimizing downtime and impact on business operations.
- Contributed to automation projects, improving the visibility, reliability, and efficiency of the infrastructure.
- Documented processes performed Root Cause Analysis (RCA), and provided knowledge transfer (KT) sessions to team members for improved collaboration and learning.
- Handled Escalation from support /Application team.
Technology Specialist
Perimeter Institute
Kitchener, Canada
10.2022 - 07.2024
- Monitored and maintained Windows Server environments, overseeing updates, backups, and user management.
- Delivered Tier 1 and Tier 2 support, resolving end-user issues across Windows, Office 365, and SaaS platforms.
- Troubleshot hardware and software problems related to OS, applications, and drivers, achieving a >95% resolution rate within SLA.
- Implemented and managed SCCM alongside endpoint protection solutions to ensure security and compliance.
- Administered user access in Active Directory and managed DNS settings for internal systems.
- Documented incidents and resolutions in Jira and ServiceNow for clarity and traceability.
- Supported LAN setup, including cabling, switch/router configuration, and IP troubleshooting.
- Collaborated with the security team to implement compliance strategies aligned with ISO and ITIL frameworks.
IT support engineer
Wanstor
London, UK
06.2019 - 03.2021
- Performed daily system monitoring, verified hardware and application availability, reviewed system and application logs, and ensured scheduled backup completion.
- Supported Microsoft-related technologies, including Windows Server, Exchange, and SharePoint.
- Administered Office 365, including user administration, identity, access, license administration, and policy compliance.
- Implemented software upgrades, including operating systems and production software enhancements.
- Managed domain user accounts, application accounts, and permissions.
- Performed Active Directory Services administration and management, including design, cleanup, routine maintenance, and configuration.
- Administered Microsoft Windows Server, Active Directory, and Azure AD environments.
- Managed Group Policy Objects (GPO), AD Connect, and AD replication processes.
- Managed and troubleshooted Citrix environment using native tools and consoles.
- Demonstrated strong technical problem-solving skills in various IT scenarios.
- Developed scripts using PowerShell and PowerCLI for automation tasks.
IMTS Engineer
Mindtree Ltd
India, India
10.2016 - 12.2018
- Monitored and mitigated infrastructure system, application, and security events.
- Identified, troubleshooted, investigated, analysed, and documented server, system, and application issues, developing action plans for resolution.
- Supported IT infrastructure, including server and network hardware installation and maintenance.
- Assisted in managing network traffic and ensuring optimal performance.
- Monitored system performance and implemented necessary updates and patches.
- Provided technical support to end-users, resolving hardware and software issues promptly.
- Participated in disaster recovery planning and execution, ensuring data integrity and system availability.
Technical Support Specialist
HCL
India, India
04.2015 - 09.2016
- Provided first-level technical support and user administration through AD.
- Managed and resolved service tickets using ServiceNow.
- Assisted with setting up and maintaining laptops and desktops running Windows 10.
- Conducted basic network troubleshooting and issue resolution.
- Supported end users in the use of various software applications.
- Troubleshot all Microsoft Office application issues across Word, Excel, PowerPoint, and Outlook, making sure that all solutions were long-lasting and effective.
- Completed and maintained project documentation and delivered regular reports to various sectors across the company.
- Installed and supported hardware and software for desktops and printers.
- Managed employee access, security roles and permissions.
Education
Post-Graduation Diploma - Networking And System Administration
Conestoga College Institute of Technology and Advanced Learning
Kitchener, ONBachelor of Engineering - undefined
Annamalai University
Chennai, INSkills
- Server Administration: Windows Server 2012, Exchange Server 2013, Active Directory, Linux (CentOS, Ubuntu), SQL
- Operating Systems: Windows (7, 8, 10, 11), macOS Virtualisation Platforms: VMware vSphere 60, Hyper-V 2012, Citrix
- Cloud & SaaS Technologies: Azure, Office 365, Google Workspace, AWS (basic), Dropbox, Slack, Confluence
- Networking: Routing, VLAN, VPN, DNS, DHCP, Cisco switches, routers, firewalls Security: Cisco, WatchGuard, Fortinet, Sophos, Mimecast
- Monitoring & ITSM Tools: ServiceNow, BMC Remedy, Jira, Zendesk, Spiceworks, ManageEngine
- Remote Support: LogMeIn, Anyconnect, RDP
- Backup Solutions: Windows Server Backup (WSB), Veeam Storage: SAN, NAS, iSCSI, NFS configuration
- Scripting: PowerShell, Shell (basic)
- Other Technologies: Intune, SCCM, UEM (AirWatch, MobileIron), VOIP (Cisco, Avaya), ITIL, Printers (HP, Xerox)
- Data Reporting: Power BI, Azure Synapse, Microsoft Fabric
Certification
- Azure Administrator Associate
- ITIL Framework V3/V4
- Microsoft Certified Solutions Associate
Accomplishments
- Achieved 30% downtime reduction by optimizing cloud infrastructure using Azure Virtual Machines and DevOps.
- Increased resolution efficiency by 25% through effective mentoring and process improvements in service management.
- Reduced inventory costs by 20% through efficient asset management using Airtable for IT inventory.
- Enhanced System Uptime
- Improved Incident Resolution
- Reduced Inventory Costs
Additional Information
- Available to work on-site or in hybrid environments
- Eligible to work in the UK without sponsorship
- References available upon request
Timeline
Infrastructure Specialist
Quorum Information Technologies
08.2024 - 02.2025
Technology Specialist
Perimeter Institute
10.2022 - 07.2024
IT support engineer
Wanstor
06.2019 - 03.2021
IMTS Engineer
Mindtree Ltd
10.2016 - 12.2018
Technical Support Specialist
HCL
04.2015 - 09.2016
Bachelor of Engineering - undefined
Annamalai University
Post-Graduation Diploma - Networking And System Administration
Conestoga College Institute of Technology and Advanced Learning
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