August 28, 2025 - Present

Sargasso Investments LLC    

Dubai, United Arab Emirates                                   

▪  Provide Level 1 and Level 2 IT support to employees, troubleshooting and resolving hardware, software, network, and system issues both onsite and remotely.

▪  Install, configure, maintain, and troubleshoot Apple iMacs, MacBooks, Windows desktops, laptops, network printers, scanners, and other IT peripherals.

▪  Administer Microsoft 365 and GoDaddy email environments, including user account management, licensing, security policies, and cloud-based services while ensuring cybersecurity best practices.

▪  Manage and maintain Grandstream PBX/IP phone systems, NVR/CCTV infrastructure, and related network devices to ensure reliable communication and security operations.

▪  Administer and support Zoho applications, including People, Payroll, Books, CRM, Desk, and FSM, ensuring seamless integration with business processes and third-party systems.

▪  Configure, maintain, and support biometric attendance and access control systems, ensuring secure authentication and reliable daily operations.

September 13, 2023 - March 31, 2025

Xpress Automation Softwares LLC 

Dubai, United Arab Emirates                                   

▪  Administer Microsoft 365 services, including Exchange Online, Microsoft Teams, SharePoint Online, OneDrive for Business, and Microsoft Intune, ensuring high availability, security, and optimal performance.

▪  Manage Exchange Server, Exchange Online, and Hybrid Exchange environments, including mailbox administration, mail flow, distribution groups, and troubleshooting email-related issues.

▪  Configure and maintain Microsoft Entra ID (Azure Active Directory), Azure AD Connect, Multi-Factor Authentication (MFA), Conditional Access policies, Enterprise Applications, and identity and access management to strengthen security and compliance.

▪  Deploy, configure, test, and provide ongoing support for the internally developed Addenda Echo System, ensuring system stability, functionality, user readiness, and seamless integration with business operations.

▪  Provide Level 2 and Level 3 technical support, resolving complex Microsoft 365, Azure, and enterprise application issues while maintaining service level agreements (SLAs).

▪  Perform system monitoring, user administration, license management, software updates, and preventive maintenance to ensure reliable and secure IT operations.

November 19, 2022 - September 12, 2023

North American Services Center  

United Arab Emirates                                    

▪ Administered and maintained the Google Workspace environment, including Gmail, Google Drive, Calendar, Meet, Docs, Sheets, and Slides, ensuring secure, reliable, and efficient collaboration across the organization.

▪  Managed Google Workspace user lifecycle administration, including user provisioning and deprovisioning, groups, organizational units, roles, licenses, security settings, and access permissions.

▪  Installed, configured, and maintained Grandstream PBX systems and IP phone extensions, providing reliable voice communication, troubleshooting telephony issues, and supporting daily business operations.

▪  Performed system monitoring, preventive maintenance, software deployment, and troubleshooting to maximize system uptime, improve performance, and minimize operational disruptions.

▪  Collaborated with internal teams and third-party vendors to implement infrastructure improvements, resolve technical issues, and maintain business continuity across all branch locations.

January 03, 2019 January 02, 2020

ServLink Technology Resources  

Singapore                                         

 ▪  Performed daily Data Center operations, maintaining accurate client records and updating shared databases to ensure data integrity and operational  

    efficiency.

▪  Monitored, managed, and resolved service requests through the IT ticketing system, documenting troubleshooting activities and resolution summaries while  meeting SLA requirements.

▪  Performed hardware break-fix, server component replacement, and preventive maintenance, restoring production equipment to full operational status with minimal downtime.

▪  Configured and administered HPE Integrated Lights-Out (iLO) and Dell iDRAC for remote server management, firmware upgrades, hardware diagnostics, and production server troubleshooting.

▪  Diagnosed and resolved hardware, operating system, server, storage, and network issues by conducting root cause analysis and implementing effective corrective actions.

▪  Coordinated and escorted third-party vendors during planned maintenance and emergency support activities within local data centers, ensuring compliance with security and operational procedures.

August 15, 2015 - August 15, 2017 

Mikie Holiday Hotel and Resort

P.T. Barastagi Bintang Asia
Jl. Jalan Letjen Berastagi - North Sumatra - Indonesia 

▪  Manage the organization’s IT infrastructure, computer systems, and daily technical operations to ensure smooth and efficient performance.

▪  Supervise and support IT staff through training, coaching, task delegation, and KPI performance evaluation.

▪  Ensure all desktop applications and business systems are fully operational, including Microsoft Office, Microsoft Outlook, PMS software, POS systems, and workstations.

▪  Maintain and monitor network security, data protection, system access, and backup solutions to safeguard
company information.

▪  Conduct regular system audits, evaluate IT performance, and implement security controls to protect company assets and maintain information security standards.

July 28, 2013 - August 13, 2015 

Balestier Hill Secondary School - Business Edge Personnel Service(Agency)

Singapore 

11, Novena Rise, Singapore, 307516 

▪  Manage the organization’s IT infrastructure, computer systems, and daily technical operations to ensure smooth and efficient performance.

▪  Supervise and support IT staff through training, coaching, task delegation, and KPI performance evaluation.

▪  Ensure all desktop applications and business systems are fully operational, including Microsoft Office, Microsoft Outlook, PMS software, POS systems, and workstations.

▪  Maintain and monitor network security, data protection, system access, and backup solutions to safeguard
company information.

▪ Conduct regular system audits, evaluate IT performance, and implement security controls to protect company assets and maintain information security standards.

January 18, 2012– February 28, 2013 

Arabian Thermal Aire Industries Co. Ltd.  

Jubail Industrial City 31961, Kingdom of Saudi Arabia 

▪  Provide Level 1 and Level 2 technical support for hardware, software, and network-related issues to support daily business operations across KSA sales offices, UAE, and Qatar branches.

▪  Administer, implement, and maintain IT infrastructure, including Active Directory (AD), Windows Server 2003/2008, DNS

▪  Server, Lotus Domino Mail Server, Lotus Traveler Server, Email Gateway Servers, Replix Fax Server, and the company ERP system (FOCUS).

▪  Perform daily file backup and restoration procedures to ensure data availability and business continuity.

▪  Conduct monthly preventive maintenance for client computers, servers, and network systems to maintain optimal performance and reduce downtime.

January 23, 2009 – November 26, 2011 

Saudi Oger Ltd.

King Abdul-Aziz International Conference Center 

Riyadh City, Kingdom of Saudi Arabia 

▪  Provide Level 2 technical support to administrative staff and IT professionals during the Saudi Summit monthly conferences and other company events.

▪  Install, configure, and maintain network infrastructure, including routers, access points, hubs, switches, and other networking devices based on approved technical plans.

▪  Troubleshoot and resolve end-user hardware and software issues while maintaining and supporting the Microsoft Exchange email system.

June 2008 – December 2008  

 AMA Computer Learning Center (ACLC)  

Lipa City, Batangas, Philippines 

• Research and recommend software applications that are needed by the faculty, staff and students to accomplish their daily tasks. 

• Administering all the IT infrastructure of school specially the educational system and the IT assets. 

• Coordinate and implement instruction in an orderly and professional manner. 

March 2005 – December 2007 

Netopia Internet Cafe 

Vito Cruz, Malate, Manila and MRT Ayala, Makati Philippines 

• Administer the installation of operating system with standard applications software required the company, solving problems regarding Networking, POS and computer. 

• Perform training for newly hired employee/s and for those who are new in the systems. 

• Respond to end users questions and explain the applications software.  

• Conduct preventive maintenance for all peripherals on servers and workstations. 

• Perform other related duties as design and maintenance of large format printer like Roland and Epson.