CALABURA CO., LTD.

Developing and sustaining long-lasting relationships with customers. Screening and training sales employees. Calling potential customers to explain company products and encourage purchases. Answering customers' questions and escalating complex issues to the relevant departments as needed. Developing in-depth knowledge of company products. Maintaining an accurate record of all sales, scheduled customer appointments, and customer complaints. Collaborating with the others department which concern to ensure that the company is reaching its target audience. Preparing cost-benefit analyses for prospective and existing customers to determine the most suitable purchase options. Informing product developers of possible product improvements and changes to ensure that company products meet current market needs. Analyzing competitors' products to determine product features, benefits, shortfalls, and market success. Prepare quotations and commercial proposals based on customer requirements. Present quotations and solutions to customers and provide clear explanations of products, services, and commercial terms. Coordinate closely with customers and internal teams throughout the sales process. Follow up with customers regularly to monitor quotation status, identify opportunities, and address any questions or concerns. Maintain continuous communication and build strong relationships with customers to support business development. Proactively follow up on sales opportunities to ensure that quotations are converted into orders. Take ownership of assigned sales targets and achieve the sales revenue targets based on submitted quotations and business opportunities. Monitor and manage the sales pipeline to ensure that business opportunities are progressing in line with assigned targets and timelines.

Responsible for maintaining on-premises and cloud applications, servers, storage, and network equipment. Manage all aspects of IT infrastructure to ensure reliable, secure, and cost-effective delivery of services. Design, configure, deploy, and maintain applications, servers, storage, and network solutions, both on-premises and in the cloud. Proactively work to improve reliability, stability, and security of the cloud and on-premises environments. Perform troubleshooting, performance tuning and capacity planning. Work with developers to deploy and maintain applications, including hardening and vulnerability remediation. Research and evaluate new hardware and software solutions. Create and update documentation.

System & Server Infrastructure: Design, install, configure, and maintain enterprise server infrastructure. Manage Windows Server and Linux Server environments. Configure and manage: Active Directory, DNS, DHCP, Group Policy, File Services, Print Services, Application Servers. Perform server performance monitoring, troubleshooting, optimization, and capacity planning. Perform server migration, upgrade, and system replacement projects. Troubleshoot hardware, operating system, application, and system-related issues. Maintain system availability and ensure infrastructure reliability. Virtualization: Design, deploy, and maintain virtualization environments such as: VMware, Microsoft Hyper-V, Other enterprise virtualization platforms. Configure and manage virtual machines, clusters, HA, resource allocation, and storage. Perform VM migration, backup, recovery, and troubleshooting. Optimize virtualization environments for performance, availability, and scalability. Backup & Disaster Recovery: Design, implement, and maintain enterprise backup solutions. Configure and manage backup systems such as Veeam or equivalent solutions. Configure: Backup jobs, Retention policies, Backup schedules, Replication Offsite backup, Backup monitoring. Perform backup verification and recovery testing. Troubleshoot backup failures and identify root causes. Support the design and implementation of Disaster Recovery (DR) solutions. Maintain DR procedures and documentation. Cloud & Data Center Infrastructure: Support cloud infrastructure and cloud-based solutions. Work with platforms such as Microsoft Azure, AWS, or equivalent cloud services. Assist in cloud migration and hybrid infrastructure projects. Configure and maintain cloud backup and disaster recovery solutions. Support data center infrastructure including servers, storage, virtualization, and related systems. Ensure proper system monitoring, security, redundancy, and availability. Network & Infrastructure Integration: Work closely with Network Engineers to implement integrated infrastructure solutions. Have a strong understanding of: TCP/IP, VLAN, Routing, DNS, DHCP, Firewall, VPN, Wi-Fi. Troubleshoot system and network-related issues. Support integration between servers, network infrastructure, applications, and endpoint devices. Assist in infrastructure design and technical solution development. Hospitality IT Solutions: Support IT infrastructure projects for hotels, resorts, hospitality groups, and commercial customers. Work with hotel technology solutions including: Guest room technology, Network infrastructure, Server infrastructure, Digital signage, Casting solutions, Centralized management systems, IT infrastructure and cloud solutions. Support integration of hospitality technology with existing customer infrastructure. Understand the operational requirements and IT environments of hospitality customers. Provide onsite technical support during hotel opening, system deployment, migration, and major infrastructure projects. Project Implementation: Lead or participate in customer IT infrastructure projects from implementation through completion. Review project requirements and technical specifications. Prepare implementation plans, configuration plans, and deployment procedures. Perform installation, configuration, testing, commissioning, and system handover. Coordinate with customers, vendors, subcontractors, and internal teams. Manage technical issues during project implementation. Ensure projects are delivered according to agreed specifications, timelines, and quality standards. Provide technical guidance to junior engineers during project implementation. Technical Support & Troubleshooting: Provide Level 2 / Level 3 technical support to customers. Handle complex system and infrastructure incidents. Perform root cause analysis and implement permanent solutions. Provide remote and onsite support as required. Support customers according to agreed SLA and service requirements. Coordinate with hardware/software vendors when escalation is required. Maintain professional communication with customers throughout the incident resolution process. Presales & Technical Consultation: Support the Sales and Presales teams with technical consultation. Analyze customer requirements and recommend appropriate technical solutions. Assist with: Solution design, Bill of Materials (BOM), Technical specifications, Product selection, Proof of Concept (POC), Demonstrations Technical presentations. Participate in customer meetings and technical discussions. Prepare technical proposals and solution documentation when required. Documentation: Prepare and maintain: Network/System diagrams, System configuration documents, Installation reports, Test reports, Service reports, As-built documents, Backup/DR documentation, Operation manuals, Troubleshooting guides. Ensure all project and customer documentation is accurate and up to date. Vendor & Partner Coordination: Coordinate with technology vendors and distributors for technical issues and product support. Open and manage technical support cases with vendors. Participate in vendor training and technical certification programs. Keep up to date with new products, technologies, firmware, software versions, and best practices. Team Leadership & Knowledge Sharing: Provide technical guidance and mentoring to Junior Systems Engineers. Review technical work and provide recommendations for improvement. Share technical knowledge and troubleshooting techniques with the engineering team. Assist in developing internal technical standards, SOPs, and best practices. Take ownership of assigned technical issues and projects.