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Results-driven IT Infrastructure and Messaging Specialist with extensive experience managing enterprise-scale Microsoft Exchange and Microsoft 365 environments in hybrid and cloud architectures. Experienced in high-availability messaging, large-scale mailbox migrations, tenant governance, secure infrastructure operations, and enterprise-level mail flow management. Strong background in Windows Server administration, Active Directory, virtualization, disaster recovery planning, and cloud platforms including Microsoft Azure and AWS. Advanced scripting with PowerShell and Python to automate operational tasks, streamline migrations, and improve system reliability.…Results-driven IT Infrastructure and Messaging Specialist with extensive experience managing enterprise-scale Microsoft Exchange and Microsoft 365 environments in hybrid and cloud architectures. Experienced in high-availability messaging, large-scale mailbox migrations, tenant governance, secure infrastructure operations, and enterprise-level mail flow management. Strong background in Windows Server administration, Active Directory, virtualization, disaster recovery planning, and cloud platforms including Microsoft Azure and AWS. Advanced scripting with PowerShell and Python to automate operational tasks, streamline migrations, and improve system reliability.

Deepak Drishneel Sharma

Web Developer, Programmer, Project Manager, +2

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Results-driven IT Infrastructure and Messaging Specialist with extensive experience managing enterprise-scale Microsoft Exchange and Microsoft 365 environments in hybrid and cloud architectures. Experienced in high-availability messaging, large-scale mailbox migrations, tenant governance, secure infrastructure operations, and enterprise-level mail flow management. Strong background in Windows Server administration, Active Directory, virtualization, disaster recovery planning, and cloud platforms including Microsoft Azure and AWS. Advanced scripting with PowerShell and Python to automate operational tasks, streamline migrations, and improve system reliability.…Results-driven IT Infrastructure and Messaging Specialist with extensive experience managing enterprise-scale Microsoft Exchange and Microsoft 365 environments in hybrid and cloud architectures. Experienced in high-availability messaging, large-scale mailbox migrations, tenant governance, secure infrastructure operations, and enterprise-level mail flow management. Strong background in Windows Server administration, Active Directory, virtualization, disaster recovery planning, and cloud platforms including Microsoft Azure and AWS. Advanced scripting with PowerShell and Python to automate operational tasks, streamline migrations, and improve system reliability.

Available to hire

Results-driven IT Infrastructure and Messaging Specialist with extensive experience managing enterprise-scale Microsoft Exchange and Microsoft 365 environments in hybrid and cloud architectures. Experienced in high-availability messaging, large-scale mailbox migrations, tenant governance, secure infrastructure operations, and enterprise-level mail flow management.

Strong background in Windows Server administration, Active Directory, virtualization, disaster recovery planning, and cloud platforms including Microsoft Azure and AWS. Advanced scripting with PowerShell and Python to automate operational tasks, streamline migrations, and improve system reliability.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Work Experience

Exchange Engineer at Fiji Government Data Center – Information Technology & Computing (ITC) Services

June 1, 2025 - Present

Administer and maintain enterprise-scale Microsoft Exchange environments (Exchange 2016, Exchange Subscription Edition, and Exchange Online) supporting 7,000+ users across multiple government agencies. Manage hybrid Exchange and Microsoft 365 deployments, including seamless integration between on-premises and cloud environments. Oversee Database Availability Group (DAG) configuration, monitoring, and failover for high availability and business continuity. Perform large-scale mailbox migrations with planning, execution, monitoring, and post-migration validation. Configure mail flow using transport rules, connectors, accepted domains, and email security policies; administer Microsoft 365 services including Exchange Online provisioning, licensing, and access management. Troubleshoot OWA/ECP/MAPI and authentication and mail delivery issues (Kerberos/NTLM/WinRM). Maintain secure IIS configurations, virtual directories, and SSL certificates; develop PowerShell automation for migrations and r

Computer Engineer at 3CNZ TECH

September 1, 2023 - January 31, 2025

Set up and oversee retail operations, implementing promotional strategies to attract customers and improve sales. Process online orders across the company’s website and marketplaces (TradeMe, Reebelo). Provide in-store and remote technical support to diagnose and resolve hardware/software issues and optimize device performance. Perform system optimization and tune-up services for improved efficiency.

Computer Engineer at Datatek Pacific

August 1, 2023 - January 31, 2025

Support retail/warehouse and customer operations: provide technical support for hardware/software/network issues (including remote guidance), perform device repairs and refurbishments, and assist users with installation and configuration. Coordinate sales order processing (packaging and courier shipment), source and procure hardware and devices, and track orders and returns. Monitor website/application traffic by recording visitor data and develop website content using JavaScript and HTML. Independently manage warehouse operations including receiving, grading, repairing hardware equipment, and maintaining inventory records.

Computer Engineer at Datatek Pacific

August 1, 2023 - January 31, 2025

Diagnose and resolve hardware, software, and network issues, and administer enterprise-scale Microsoft Exchange Server environments (2016, 2019 & Subscription Edition) supporting high-volume organizational messaging. Manage hybrid Exchange and Microsoft 365 deployments. Oversee DAG configuration, monitoring, and failover; lead large-scale mailbox migrations including planning, execution, monitoring, and post-migration validation. Configure and manage mail flow, transport rules, send/receive connectors, and email security policies (SPF, DKIM, DMARC, anti-spam, anti-phishing). Perform tenant-level Microsoft 365 administration (Exchange Online, Teams, SharePoint Online, OneDrive). Develop PowerShell automation for migrations and operational tasks; conduct health monitoring, performance tuning, and capacity planning. Coordinate change management, risk assessments, and back-out procedures, and support disaster recovery planning and backup/restore testing. Provide Tier 3 escalation for compl

IT Support Technician Officer at Viti Solutions

June 1, 2022 - October 31, 2022

Troubleshoot faults on PCs and laptops, install/configure/maintain computer systems and applications, and respond to help desk tickets. Process hardware warranties (HP, Dell, Lenovo). Provide on-site field service technical support and ensure compliance with IT policies and procedures. Provide remote support for software installation, network configuration, system optimization, security enhancements, and user training.