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I.   PURPOSE OF THE POSITION:

The Senior Hybrid Cloud Infrastructure Officer is responsible for designing, implementing, and maintaining scalable, secure, and resilient hybrid cloud environments that span on-premises data centers and public cloud platforms. This role ensures seamless integration, scalability, security, operational continuity, supports automation, and drives best practices in cloud architecture, monitoring, and disaster recovery.

II. KEY RESPONSIBILITIES

• Architect and deploy scalable, secure, and resilient cloud infrastructure solutions across AWS and Azure platforms.
• Automate cloud provisioning, monitoring, and cost optimization using Infrastructure-as-Code and cloud-native tools.
• Integrate and enforce cloud-native security controls, including Identity and Access Management (IAM), encryption standards, and key management systems.
• Configure and manage advanced network routing protocols such as BGP, OSPF, and MPLS, alongside firewalls and load balancers to ensure optimal traffic flow and security.
• Lead the planning, design, implementation, and optimization of infrastructure projects, with a particular focus on virtualized environments, backup solutions, and enterprise-grade storage systems, in consultation with the line manager.
• Design and manage robust enterprise network architectures, including LAN, WAN, VPN, and SD-WAN technologies.
• Develop and test comprehensive disaster recovery and business continuity strategies to ensure system resilience and data integrity.
• Maintain operational guidelines and procedures for the support and maintenance of virtual infrastructure, ensuring consistent performance and timely issue resolution.
• Ensure effective network segmentation, IP address management (IPAM), and reliable DNS/DHCP services.
• Maintain accurate and up-to-date infrastructure documentation, including system architecture diagrams, to support cross-functional clarity and collaboration.
• Monitor and optimize network performance, reliability, and scalability across hybrid environments.
• Create structured handover checklists and operational runbooks to support seamless transitions and standardized operations.
• Maintain audit-ready documentation to support compliance with internal governance and external regulatory requirements.
• Perform additional tasks assigned by the line manager, contributing to the overall success and strategic objectives of the infrastructure team and the organization.

III.  QUALIFICATIONS

• Bachelor's degree in computer science, Information Technology, or related field.
• Proven expertise in advanced network configuration and cloud computing, supported by professional certifications such as CCNA, CCNP, AWS, Azure, or equivalent.
• Strong understanding of complex network and network security architectures, particularly within banking environments or local/international payment systems.
• Minimum of 3 years of experience in IT infrastructure, with at least 1 year in cloud administration.
• Fundamental knowledge of the Linux operating system is required.
• Demonstrated ability to resolve complex technical issues across virtualized, physical, and cloud environments, with strong problem-solving and troubleshooting skills.
• Proficiency in both Khmer and English, with effective communication skills in technical and business contexts.
• High level of commitment to professional growth, continuous learning, and delivering reliable and secure IT solutions in a dynamic environment.