Peng Huoth Group

Peng Huoth Group is looking for a Senior IT Infrastructure Manager
to lead our IT infrastructure team and drive the reliability, security, scalability, and continuous improvement of our enterprise technology environment.
In this role, you will oversee our hybrid IT infrastructure, combining on-premises systems with cloud technologies to deliver reliable, secure, and efficient IT services across our business operations. You will play a key role in infrastructure modernization, cybersecurity, disaster recovery, technology optimization, and the development of a high-performing IT team.
We are looking for a strategic and hands-on leader who can translate business needs into practical technology solutions, strengthen IT operational excellence, and build a resilient infrastructure that supports our continued growth.
If you are passionate about technology, leadership, and digital transformation, we invite you to join our team!
KEY RESPONSIBILITIES1. IT Infrastructure Strategy &amp; Architecture
<ul>
<li>Develop and implement IT infrastructure strategies, roadmaps, and annual operational plans aligned with business objectives and the organization's digital transformation priorities.</li>
<li>Lead the design, implementation, management, and continuous improvement of enterprise infrastructure across on-premises and cloud environments.</li>
<li>Establish infrastructure architecture standards, technology policies, and operational procedures to ensure scalability, reliability, security, and cost efficiency.</li>
<li>Assess emerging technologies and recommend infrastructure solutions that enhance business agility, system performance, and operational effectiveness.</li>
</ul>
<ol start="2">
<li>Hybrid Infrastructure, Network &amp; Systems Management</li>
</ol>
<ul>
<li>Oversee enterprise servers, storage, virtualization, operating systems, data center infrastructure, and cloud platforms.</li>
<li>Manage enterprise networking, including LAN, WAN, Wi-Fi, VPN, firewalls, routing, switching, and internet connectivity.</li>
<li>Ensure stable, secure, and high-performing IT infrastructure across offices, project sites, and business locations.</li>
<li>Oversee infrastructure monitoring, capacity planning, system upgrades, preventive maintenance, patch management, and performance optimization.</li>
</ul>
<ol start="3">
<li>Cybersecurity, Disaster Recovery &amp; Business Continuity</li>
</ol>
<ul>
<li>Implement and maintain infrastructure security policies, access controls, system hardening, and security monitoring practices.</li>
<li>Establish and maintain backup, disaster recovery, and business continuity plans for critical systems and infrastructure.</li>
<li>Conduct regular recovery testing and infrastructure risk assessments to strengthen organizational resilience.</li>
<li>Ensure appropriate technical documentation, access governance, and compliance with internal policies and applicable regulatory requirements.</li>
</ul>
<ol start="4">
<li>IT Operations &amp; Service Excellence</li>
</ol>
<ul>
<li>Ensure the availability, performance, and reliability of critical infrastructure and IT services.</li>
<li>Establish and monitor service-level agreements (SLAs), infrastructure KPIs, incident response, problem management, and root-cause analysis.</li>
<li>Lead the resolution of complex infrastructure issues and minimize service disruptions affecting business operations.</li>
<li>Develop and maintain infrastructure standards, technical documentation, operating procedures, and change management practices.</li>
<li>Drive continuous improvement through automation, standardization, proactive monitoring, and operational process optimization.</li>
</ul>
<ol start="5">
<li>Team Leadership &amp; Capability Development</li>
</ol>
<ul>
<li>Lead, manage, coach, and develop the IT infrastructure team to deliver reliable, secure, and responsive IT services.</li>
<li>Establish clear responsibilities, performance objectives, team KPIs, and individual development plans.</li>
<li>Build a culture of accountability, collaboration, customer service, knowledge sharing, and continuous learning.</li>
<li>Strengthen the team's technical capabilities in hybrid infrastructure, cloud technologies, networking, cybersecurity, and infrastructure management.</li>
<li>Manage workload allocation, resource planning, escalation procedures, and team performance to achieve operational objectives.</li>
</ul>
<ol start="6">
<li>IT Budget, Vendor &amp; Technology Asset Management</li>
</ol>
<ul>
<li>Prepare and manage the IT infrastructure budget, including operating expenses, capital expenditure, licensing, maintenance, and technology investments.</li>
<li>Identify opportunities to optimize infrastructure costs without compromising security, performance, or service quality.</li>
<li>Manage technology vendors, service providers, telecommunications partners, and external consultants.</li>
<li>Oversee infrastructure procurement, contract renewals, vendor performance, and technology asset lifecycle management.</li>
<li>Evaluate technology investments based on business value, total cost of ownership, operational risks, and long-term sustainability.</li>
</ul>
<ol start="7">
<li>Stakeholder Collaboration &amp; Business Alignment</li>
</ol>
<ul>
<li>Report infrastructure performance, major incidents, project progress, risks, and improvement initiatives to the Head of IT / IT Director.</li>
<li>Work closely with business units and cross-functional teams to understand technology requirements and deliver appropriate infrastructure solutions.</li>
<li>Lead infrastructure projects, system migrations, technology upgrades, and implementations in line with approved timelines, budgets, and quality standards.</li>
<li>Communicate technical risks and recommendations clearly to management and relevant stakeholders.</li>
<li>Ensure IT infrastructure services support business continuity, employee productivity, customer service, and organizational growth.</li>
</ul>
JOB REQUIREMENTS
<ul>
<li>Bachelor's degree in Information Technology, Computer Science, Computer Engineering, or a related field.</li>
<li>Minimum
7–10 years of relevant IT infrastructure experience
, including at least
3–5 years in a managerial or team leadership role
.</li>
<li>Proven experience managing enterprise IT infrastructure across hybrid on-premises and cloud environments.</li>
<li>Strong technical knowledge of enterprise networking, servers, storage, virtualization, Windows and/or Linux environments, backup and recovery, and infrastructure monitoring.</li>
<li>Practical experience with cloud platforms such as Microsoft Azure or AWS, including hybrid infrastructure integration and management.</li>
<li>Solid understanding of cybersecurity, identity and access management, system hardening, patch management, vulnerability management, and infrastructure risk mitigation.</li>
<li>Demonstrated experience in disaster recovery planning, business continuity, incident management, and service-level management.</li>
<li>Proven ability to lead and develop technical teams, manage infrastructure projects, and coordinate with cross-functional stakeholders.</li>
<li>Experience managing IT budgets, infrastructure procurement, vendor relationships, licensing, and technology assets.</li>
<li>Strong analytical, problem-solving, planning, decision-making, and project management skills.</li>
<li>Excellent communication and stakeholder management skills, with the ability to explain technical matters in business terms.</li>
<li>Good command of English; Khmer language proficiency is an advantage.</li>
</ul>
WHAT WE OFFER
<ul>
<li>An opportunity to lead and develop a professional IT infrastructure team.</li>
<li>Meaningful ownership of enterprise infrastructure strategy, reliability, security, and modernization.</li>
<li>Exposure to hybrid infrastructure transformation and business-critical technology projects.</li>
<li>A collaborative working environment with opportunities to work closely with senior management and business leaders.</li>
<li>Opportunities for professional development, technical advancement, and leadership growth.</li>
<li>Competitive compensation and benefits based on experience and qualifications.</li>
</ul>

Senior Manager Information Technology Infrastructure

Senior Manager Information Technology Infrastructure

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