• Bank Core Network, Systems, and Applications management, maintenance, and set up for DC, DR, HQ, and branches• Working on digital and payment system projects, coordination, and management with stakeholders, vendors, and regulators• Working on regulatory payment system projects like Bakong payment system, Bakong Linked Account, etc.• IT Infrastructure team management and technical guidance• Working on policies, procedures, and guidelines for both IT Infrastructure and IT Security related.• Other tasks assigned by management

• Setting up bank core network and system of Data Center (DC) and Disaster Recovery (DR)• Setting up bank head office network and connecting to DC and DR using SD-WAN• Installing and implementing internal systems such as Active Directory, DNS, Group Policy, File Server, etc.• Setup internal Certification Authority server infrastructure (Microsoft PKI) to issue certificate for internal computers, users, servers, systems, applications, and network equipment.• Supporting bank's projects with third parties and partners such as ACLEDA Bank, NBC, and CamboPay.• Supporting Core Banking and ATM Switching Project on system and network part• Implementing NBC's Bakong server infrastructure.• Designing and implementing of network infrastructure solutions and technologies for the bank• Managing Microsoft Office 365 Email• Setup Azure AD Connect Infrastructure to integrate on-premise AD with Azure AD & Office 365 with Single Sign-On and Pass-through Authentication.• Managing and maintain server such as VMware vSphere, Windows Server 2019, Linux Redhat Enterprise Server, Oracle KVM.• Manage and maintain network devices such as Huawei Switch, Cisco Switch, FortiGate Firewall, FortiADC (WAF & Load Balancer)• Makes sure that all system and network configuration are complied with the bank policies• Provide technical specification and requirement for setting up project requirement• Work with all selected vendors to coordinate and monitor the project implementation• Work with all ISPs to select best Internet service providers to provide Internet and DPLC services for the bank• Ensure bank network and system comply with IT Security policy• Provide all overall support to all bank's users.• Provide technical guidance to team members• Other tasks assigned by manager

- Holding the role of Assistant Manager – IT Infrastructure at Prudential (Cambodia) Life Assurance Plc- Providing IT Infrastructure Services (Manage, Maintain, and Support) to Prudential (Cambodia) Life Assurance Plc

• Responsible for preparing and adhering to the annual budget the technology expenditures.• Project management and identifying opportunities for automation, and cost savings, service quality improvement.• Hands-on technical depth enables direct oversight, problem-solving leadership and participation for complex infrastructure implementation and operational troubleshooting.• Development of enterprise standards and technology architecture and the IT governance process.• Determines the required course of action to improve and escalates when appropriate• Finding IT areas to cut costs, improve services, and researching emerging technologies to improve systems in a cost-effective manner.• Devising and establishing IT policies to support the implementation of strategies set by upper management• Analyzing the business requirements of all departments to determine their technology needs• Support the adoption of the Regional IT Governance Framework and Standards• Reviewing IT Architecture and infrastructure and identifying areas in need of improvement.• Communicating with Regional teams in obtaining supports and making sure the execution of IT project is accomplished in timely manner.• Participate in strategic and operational planning to achieve business goals by fostering innovation, prioritizing IT initiatives, and coordinating the evaluation, deployment, and management of current and future IT systems across the organization.• Communicating regularly with executive management on information technology issue• Provides technical guidance, coaching/mentoring to team members.• Performing other tasks assigned by line manager

• Designing and implementation of network infrastructure solutions and technologies• Providing support on network services, including servers network devices, security appliances, and call center system.• Communicating with Regional Technology team in obtaining supports and executing IT projects• Performs routine network and system maintenance i.e. servers, network devices, security appliances, and call center system.• Performs a variety of duties in the monitoring, installation, testing, configuration and troubleshooting of hardware, software and system or application upgrades.• Makes sure that all system and network configuration are complied with the Regional IT policies and standards.• Installs cabling and wiring for systems, telecommunication systems and peripheral equipment.• Conducts repairs and maintains preventative maintenance schedules for application, network and access services• Identifies and resolves computer and network problems• Provides assistance to IT Infrastructure Manager in the evaluation, selection, acquisition and implementation of computer hardware and software• Manages and maintains server OS patches and upgrades, including virtualized environments.• Monitors and applies security patches, antivirus definition updates for desktops.• Maintains network infrastructure for all offices and branches in the provinces• Maintains network service on Inter and Intranet, manages and maintains assigned directory infrastructure, group policies, protocols and account management within defined ranges• Maintains IT assets and inventory.• Supervises and/or assist in cabling, including installation and design.• Leads and supports IT infrastructure related projects, local and Regional projects• Creates and updates system and network configurations documents.• Identifies areas for improvement in system and network infrastructure.• Provides project support on server/application projects.• Provides technical training to end users when needed.

• Maintain system and network equipment (Dell Servers, Cisco ASA Firewall, Palo Alto, Riverbed, Switches, etc)• Maintain overall network health and security of network infrastructure in the region to ensure maximum uptime. • Provide L1 remote technical support to offices without IT presence across the region and globally.• Assist the SITM and fellow country IT personnel in L2 support issues when required training materials for the organization.• Act as a Coordinator and Project Manager to roll-out and deploy applications, services and hardware in the Cambodia and Japan. • Assist the Regional IT Manager in the roll outs for other offices in Asia Pacific.• In-charge of IT procurement and IT equipment inventory;• Conduct regular back-up of major drives to avoid loss of data assets.• Monitor equipment, systems and network traffic for security and network maintenance. Immediately report damages or violation to IT policy to the SOD for proper action; • Conduct audit of network and systems• Responsible for Day-to-day IT support requirements for the Cambodia and/or Japan program• Install and configure new and existing PC’s Mac’s and peripherals. • Install and troubleshoot software on end user’s computer.• Perform basic hardware replacements and upgrades.• Diagnose, troubleshoot and resolve computer software and hardware issues reported by users.

• Responsible for managing and troubleshooting all Systems such as AD, DNS, DHCP, File Server, Print Server, Hyper-V, Data Backup, and KoXo Computer and User Management.• Managing Network equipment such as Cisco switches, Dell switches, D-Link switches, Cisco and TP-Link Wireless Routers, pfSense Firewall.• Troubleshooting and Support all users’ problems.

• Responsible for managing and maintaining Servers (Linux and Microsoft Windows Server), AD, DNS, DHCP, File Server, Windows Server Update Service (WSUS), Microsoft Exchange Server 2010 and NAS.• Managing and monitoring Fortigate Firewall and Fortimail.• Configuring and Managing OpenLDAP, DNS, Reverse Proxy, BigBlueButton Web Conferencing, and Liferay in Linux – CentOS and Redhat.• Managing and Configuring SAP Application - AccAD Server and Client.

Working as an internship at Thakral Cambodia but supporting user at Ericsson Cambodia