Jonathan Tan
Senior System Administrator at Allen & Gledhill LLP- Claim this Profile
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Bio
Credentials
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IT Academy: Cloud and Virtualization Concepts
VMwareFeb, 2023- Nov, 2024 -
IT Academy: Network Virtualization Concepts
VMwareFeb, 2023- Nov, 2024 -
IT Academy: Software Defined Storage Concepts
VMwareFeb, 2023- Nov, 2024 -
Microsoft Certified: Security, Compliance, and Identity Fundamentals
MicrosoftJul, 2022- Nov, 2024 -
Foundations of Breach & Attack Simulation
AttackIQJun, 2022- Nov, 2024 -
Foundations of Operationalizing MITRE ATT&CK
AttackIQJun, 2022- Nov, 2024 -
Foundations of Purple Teaming
AttackIQJun, 2022- Nov, 2024 -
MITRE ATT&CK Security Stack Mappings: AWS
AttackIQJun, 2022- Nov, 2024 -
MITRE ATT&CK Security Stack Mappings: Azure
AttackIQJun, 2022- Nov, 2024 -
Strategic Cybersecurity Management
AttackIQJun, 2022- Nov, 2024 -
Google IT Support Specialization
CourseraJan, 2022- Nov, 2024 -
Microsoft Certified: Azure Fundamentals
MicrosoftJan, 2022- Nov, 2024 -
AWS Certified Cloud Practitioner
Amazon Web Services (AWS)Mar, 2021- Nov, 2024 -
ITILv3 Foundation Level
New Horizons Computer Learning CentersNov, 2016- Nov, 2024
Experience
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Allen & Gledhill LLP
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Singapore
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Law Practice
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500 - 600 Employee
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Senior System Administrator
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Aug 2022 - Present
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LingoAce
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Singapore
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E-Learning Providers
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200 - 300 Employee
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Regional Senior System Engineer
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Apr 2022 - Aug 2022
- Global administrator for company's Azure/AWS/Mobile Device Management platform/Crowdstrike - Recommend, assess and execute Crowdstrike and Mobile Device Management solution implementation - Responsible for planning and execution of hardening, patching and risk assessment on a global scale - Procure, design and implementing network infrastructure to better suit co-workspace - Implement and review of IT policies and governance with regional team - Perform monthly audit on Azure Active Directory and other systems - Global support for all applications and systems - Efficent use of Powershell scripting for audit and better workflow Show less
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Assistant Manager IT
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Mar 2018 - Mar 2022
- Implement and deploy Business Continuity Plan amidst Covid-19 lockdown - Developed goals and strategies upon handover for the company to ensure smooth delivery of IT operations - Developed, implemented and execution of Business Continuity Plan and Disaster Recovery for IT systems within 3 months - Monthly review of IT policies and guidelines to ensure operational efficiency - Introduced and implemented the CRM Sales system within half a year into tenure to ensure overall consistency and operational efficiency - Managed annual IT audit including preparation and communication with auditors - Overall in-charge in managing acquisition and maintenance of assets - Liaised with teams within the company to forecast, spend and track IT spending - Managed infrastructure services to ensure connectivity, availability of applications and services - Planned and ensured servers are patched and hardened accordingly - Managed Windows servers, VM infrastructure, Office365, Firewall configurations etc. - Provided technical support for both hardware and software - Developed and validate script for automation process (powershell/python/bash) Show less
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Co-Founder
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Aug 2017 - Feb 2018
- Strategic planning, co-ordinated, managed and implemented large scale infrastructure and multi-disciplinary projects - Negiotate and maintain relationship with distributors for dealership - Negotiate, secure and improve relationship with various clientele including government agencies such as NEA, PUB & MOM etc. - Persistently communicate and coordinated with clients to ensure requirements are met - Review finanicial statements, sales and activity records, and other performance data to measure productivity and milestone achievement to determine areas needed for improvement. - Developed and deployed shell script for productive and efficient migration deployment - Lead project team, providing guidance to ensuring overall efficiency and service standard - Troubleshoot and provide resources for Level 1/2/3 support during client migration phase - Oversee migration projects of Windows 2008 server to 2012 server within 2 weeks for projects with tight schedules and challenging requirements - Monitored and managed tech refresh projects to achieve the maximum possible monthly KPI of 80 units of PCs - Provided onsite end user support when required Show less
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ST Engineering
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Singapore
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Mechanical Or Industrial Engineering
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700 & Above Employee
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System Engineer
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Nov 2015 - Jul 2017
- Provided IT support for internal staff for their daily PC usage - Install, configure, administer, maintain servers - Review and improve daily work process and documentation - Develop effective implementation of systems, work procedures and practices to ensure operational readiness and reliability of the systems - Participate in monthly meeting with key focus to resolve and implementing new solutions - Review and monitor projects (renovation projects) to ensure quality assurance and completion. Show less
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Thatz International Pte Ltd
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Singapore
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IT Services and IT Consulting
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1 - 100 Employee
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IT Deskside Support Engineer
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Feb 2015 - Oct 2015
- Provide on-site support to end users on IT and simple network problems (e.g. Email, Software Virus, Laptop, PCs, Printers, Scanners and Network Connectivity issues). - Update the incident ticketing system and coordinate with the helpdesk team or other support group to close the incident. - Assist in other IT related projects or activities (such as upgrades, changes, maintenance, relocation), as when required. - Provide on-site support to end users on IT and simple network problems (e.g. Email, Software Virus, Laptop, PCs, Printers, Scanners and Network Connectivity issues). - Update the incident ticketing system and coordinate with the helpdesk team or other support group to close the incident. - Assist in other IT related projects or activities (such as upgrades, changes, maintenance, relocation), as when required.
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RMA Engineer
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Feb 2013 - Oct 2014
- Customer support for Gigabyte, Geil and Seventeam products - Diagnose and troubleshoot product for RMA procedure - Escalate, prepare and send in RMA products with Gigabyte Taiwan and Malaysia - Escalate and simulate problems between software and hardware with relevant department in Gigabyte Taiwan. - Repairing of some minor electronic components on motherboards - Assembling, troubleshoot and repair client’s system hardware - Manage company Facebook profile and webpage - Promoting products and communicating with consumers on VR-Zone and Facebook. - Manage and liaise with different vendors on company IT infrastructure - Liaising with different potential vendors on potential upcoming product - Assemble, brief and demonstrate products for events. Show less
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Royal Plaza on Scotts
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Singapore
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Hospitality
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1 - 100 Employee
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IT Officer
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Apr 2012 - Feb 2013
- Provide IT support for in-house guest and staff for their daily PC usage - Install, configure, administer, maintain IT software and hardware - Assemble and diagnose system hardware - Troubleshoot, diagnose and resolve network problems and software issues - Administrate servers (Oracle, MS Exchange, Print server, Sharepoint) - Provide IT support for in-house guest and staff for their daily PC usage - Install, configure, administer, maintain IT software and hardware - Assemble and diagnose system hardware - Troubleshoot, diagnose and resolve network problems and software issues - Administrate servers (Oracle, MS Exchange, Print server, Sharepoint)
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Education
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Coventry University
Bachelor of Science, Computer Science -
Management Development Institute of Singapore
Diploma, Information Technology -
ITE College Central Yishun
NITEC, Eletronics (Wireless LAN)