UMAR SSEKALALA
IT Specialist
Dubai, AE.About
Highly motivated and detail-oriented IT Specialist with a robust foundation in network engineering, technical support, and IT asset management. Proven ability to enhance system stability and efficiency, including reducing network downtime by 25% and improving incident resolution by 15% through proactive solutions and streamlined documentation. Eager to leverage expertise in Active Directory, Office 365, and advanced troubleshooting to contribute to a dynamic IT team and drive operational excellence.
Work
Liwa, Abu Dhabi, Abu Dhabi, United Arab Emirates
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Summary
Led network infrastructure deployment and support, ensuring optimal performance and security for critical operations.
Highlights
Engineered and implemented redundancy across networking devices, successfully reducing network downtime by 25%.
Provided comprehensive hands-on support for Cisco network infrastructure, resolving connectivity issues, and configuring devices to maintain high availability.
Applied IT security best practices to strengthen network defenses, safeguarding critical data and infrastructure.
Developed detailed user documentation and technical manuals, enhancing operational efficiency and knowledge transfer.
Assisted in the precise cabling and configuration of complex Cisco networking devices, ensuring robust infrastructure setup.
Kampala, Kampala, Uganda
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Summary
Delivered comprehensive IT support, system administration, and infrastructure management, ensuring seamless operations and enhanced user productivity.
Highlights
Managed user accounts and access permissions across on-premise Active Directory and Azure Active Directory, ensuring secure and efficient user provisioning.
Implemented a robust disaster recovery plan, significantly enhancing business continuity and minimizing data loss during system failures.
Streamlined IT documentation processes, improving incident resolution times by 15% and fostering efficient knowledge sharing.
Provided expert hardware and software troubleshooting for PCs, servers, routers, and switches, maintaining smooth system functionality for all users.
Proactively monitored system performance, identifying and resolving potential issues to minimize downtime and ensure continuous operation.
Collaborated with vendors and service providers to resolve complex hardware and software concerns, optimizing system performance and reliability.
Skills
Networking
LAN, WAN, Wi-Fi, TCP/IP, DHCP, DNS, Cisco Networking, Huawei Datacom, Network Infrastructure Support.
Operating Systems
Windows 10, Windows 11, Windows Server 2019, Windows Administration.
Desktop Applications
Microsoft Office 365, Third-Party Applications.
Ticketing Systems
ServiceNow, Help Desk Ticketing.
Remote Support
Zoom, Webex, Microsoft Teams.
Security
Windows Hardening, Windows Defender, IT Security Best Practices.
Virtualization
Hyper-V, VMware Esxi, Proxmox VE.
Programming Languages
Python, JavaScript.
IT Management
IT Asset Management, Disaster Recovery, Active Directory User Management, Business Continuity Planning, System Performance Monitoring, Troubleshooting.
Soft Skills
Customer Service, Team Collaboration, Strong Communication, Time Management, Organization, Problem-Solving.