Zephyr Sim Chuan Sheng

• IT Assets Management & Incident Service Management via ServiceNow Global Portal
• Maintain VMware vSphere Servers Administration, DC patches to ensure security and operational reliability
• Migration of VMware vSphere on-premises to Google Cloud VMware Engine (GCVE) via 3 different schedule migrations (Cold, Bulk and vMotion) using HCX Cloud Manager
• Troubleshooting of RedHat Linux 6,7,8 and Windows Server (2012,2016, 2019), Citrix and Veeam Backup Repositories
• Testing of DR Failover in our Servers Environment every quarter
• Decommission of Current Datacentres On-Premises by end of the year
• Renewal of Dell Servers & Software Support Licenses
• Planning of Purchases & Renewal based on the annual financial budget
• Managed multiple projects simultaneously, delivering results within tight deadlines while maintaining high-quality standards.
• Optimized operational efficiency by analyzing and streamlining processes.
• Collaborated with cross-functional teams to develop comprehensive project plans, ensuring timely delivery of key milestones.

• Management of AWS Platform including EC2 & RDS Instances
• Management of Azure Cloud Platform as well Azure Active Directory
• Support of Microsoft Azure Active Directory Users Account and Configuration of Okta 2FA
• Troubleshooting of Microsoft Services and AD such as Office365 & Teams
• Support Oracle Cloud Migration Work from On-Premises & Management Oracle Cloud Instances
• Timely Upgrade and Update of Network Systems in both AWS & Oracle Admin Console & On-Premises VPN & Cisco Switches
• Hyper Backup to S3 bucket and Cloud Sync to SharePoint of On-premises Synology NAS to achieve 3-2-1 Data Protection Policy Compliance
• Double-Encryption based on AES-256 Symmetric Method
• Planning of migration to New Firewall Equipment’s
• Troubleshooting User’s Laptop issues via Remote TeamViewer
• Maintenance of On-Premises VMs inside Server Room that consists of different OS such as Windows Server, Linux – (Mainly on Red hat Linux, Centos, Ubuntu, and Debian)
• Upgrade of Synology Rack NAS with new security configuration settings
• Liaise with a few different vendors for New Quotations and Solutions Proposals for comparison to fit the Overall Budget given by HQ
• Simplified troubleshooting processes by creating detailed documentation for system configurations, procedures, and best practices.
• Managed onboarding and offboarding of employees.

• Contribute to definition of budget for Local IT Systems, monitoring progress and proposing appropriate corrective action plans within the Asia Pacific Region
• Ensure the management of Local IT Infrastructure Services according to the needs of users, managing contracts with vendors, overall life cycle of equipment, in line with standards defined at a Group Level
• Ensure Timely Technical Assistance both through users’ support as well as maintenance support of systems, in line with the Group, actively collaborating with Infrastructure, Architecture & Cybersecurity team and Core ERP Platforms Maintenance team when needed
• Drove high level of efficiency, effectiveness, quality, and operational functionality for the internal staffs, in line with the Group’s IT Guidelines and Governance Model
• Developed a comprehensive disaster recovery plan to safeguard critical systems and data from unexpected events or failures.
• Managed change control processes, minimizing disruptions while ensuring seamless implementation of new tools and technologies.

• Provide Network Operations Support and Administration of RuiJie & Arista China Switches
• Perform Problem/Issue identification and resolution by working across multiple teams and key vendors
• Develop good in-house configuration best practices and guidelines which are documented clearly in Knowledge Base
• Assist with the implementation of agreed infrastructure changes, maintenance routines and component updates and upgrades in Alibaba Cloud Servers
• Highlight changes in the environment that may disrupt the service availability or integrity
• Develop and share tested methods procedure in remediating common or highly critical vulnerabilities
• Participate and provide technical support in network implementation projects whenever required
• Manage the inflow of new deliveries and keep track of Goods Inventory

• Developed custom scripts to automate cloud operations, enhancing operational efficiency and reducing manual errors.
• Managed installation, upgrade and deployment projects and provided assistance for network engineers
• Monitored and tested application performance to identify potential bottlenecks, develop solutions, and collaborate with developers on solution implementation
• Built and maintained network infrastructure consisting of Windows, Linux, and virtual products
• Managed use of various types of databases and configured, installed, and upgraded new ones for servers
• Worked closely with customers, internal staff, and other stakeholders to determine planning, implementation, and integration of system-oriented projects
• Installed, configured, tested, and maintained operating systems, application software and system management tools
• Contributed to product improvement initiatives by providing valuable insights based on hands-on experience with various cloud engineering tools and frameworks.

• Testing and Setting up of IT systems with relevant software pre-installed
• Data Migration and Maintaining of Microsoft SharePoint 2013
• Management of Past Software License & Uploading of Software Agreement & Licenses into Snow License Manger 7
• Software Recommendations to replace older versions
• Generating of Compliance Summary weekly & monthly audit
• Collaborated with cross-functional teams to align goals and ensure project success.
• Optimized inventory control, reducing waste and improving costefficiency

Nationality: Singaporean

National Service (Completed)
Enlistment Date: 11th September 2013
PES Status: A
Ord Date: 10th September 2015

Cumulative GPA: 3.05

EG171S Converged Infrastructure C+

EG172S Cloud Computing Technology B

EG173S Cloud Architecture & Implementation B+

EG174S Enterprise Multi-Cloud Project C+

EG271S Cloud Security Engineering B+

EG272S Intelligent Services Implementation C

EG273S Containerised Applications Implementation B+

EG274S DEVOPS Engineering A

EG275S Intelligent Cloud Services & Automation Project B

Cumulative GPA: 3.50

CNC1C01 – Shared Services & Management - Grade A

CNC1C02 – Data Centre Management Project – Grade B

CNC1C01 – Introduction to Cloud Architecture – Grade B+

CNC1C02 – Design & Development of Cloud Solutions – Grade B+