About the job
Clicque Technology Sdn. Bhd.
Location: Petaling Jaya, Malaysia
Employment Type: Full-time
Experience Level: Mid-Senior Level (4–5 Years)
About Clicque Technology
Clicque Technology is a Malaysian technology company developing software solutions for the healthcare industry. Our products support hospitals, laboratories and healthcare organisations in managing critical clinical workflows and medical data.
As our systems continue to grow, we are looking for an experienced Network & Infrastructure Engineer to join our technology team and take responsibility for managing, maintaining and improving our network and server infrastructure.
Our infrastructure supports business-critical healthcare applications and services, where system availability, performance, security and reliability are essential.
This is an opportunity to work with real-world production infrastructure, covering network engineering, firewall management, Linux servers, virtualisation, high availability and distributed infrastructure.
About the Role
As a Network & Infrastructure Engineer, you will be responsible for managing and supporting our network and infrastructure environments.
You will work closely with our software developers, system engineers and technical teams to ensure that the underlying infrastructure is reliable, secure, scalable and capable of supporting our applications and services.
You will be involved in infrastructure design, deployment, maintenance and troubleshooting, including:
- Managing and maintaining network infrastructure.
- Configuring and managing firewalls, VPNs and network security policies.
- Managing load balancing and high-availability configurations.
- Administering Linux servers and troubleshooting system issues.
- Deploying and managing virtualisation platforms.
- Supporting Hyper-Converged Infrastructure (HCI) and distributed storage.
- Monitoring infrastructure performance and availability.
- Troubleshooting network, server and infrastructure-related issues.
- Supporting infrastructure deployment, upgrades and maintenance.
- Implementing infrastructure improvements and ensuring system reliability.
- Maintaining technical documentation and infrastructure configurations.
Key Responsibilities
Network Engineering & Security
- Design, configure, maintain and troubleshoot network infrastructure.
- Manage network components including TCP/IP, VLANs, routing, switching, DNS and DHCP.
- Configure and maintain pfSense firewalls, including firewall rules, VPN, NAT and network security policies.
- Troubleshoot network connectivity, routing and performance issues.
- Implement network security measures and access control policies.
- Ensure network reliability, redundancy and availability.
Firewall & Load Balancing
- Configure and manage pfSense firewall environments.
- Manage VPN connectivity and firewall policies.
- Configure and maintain HAProxy for load balancing and high availability.
- Manage backend server pools, health checks and traffic distribution.
- Troubleshoot connectivity and load-balancing issues.
- Ensure reliable communication between application servers and infrastructure components.
Linux & Server Administration
- Administer and maintain Linux-based servers.
- Perform system configuration, monitoring and troubleshooting.
- Manage system services, processes, storage and resource utilisation.
- Troubleshoot operating system and application-level infrastructure issues.
- Perform server maintenance, upgrades and security updates.
- Work with shell scripting to automate routine infrastructure tasks.
Virtualization & HCI Infrastructure
- Deploy, configure and manage virtualisation platforms such as Proxmox VE or VMware.
- Manage virtual machines, storage resources and virtual networking.
- Support Hyper-Converged Infrastructure (HCI) environments.
- Understand clustering, high availability and distributed storage concepts.
- Work with Ceph for distributed storage management and troubleshooting.
- Support infrastructure scaling, resource allocation and performance optimisation.
Infrastructure Monitoring & Production Support
- Monitor server, network and infrastructure performance.
- Identify potential infrastructure bottlenecks and performance issues.
- Investigate and resolve production infrastructure incidents.
- Perform root cause analysis and implement corrective actions.
- Support backup, disaster recovery (DR) and infrastructure maintenance activities.
- Ensure infrastructure services remain stable and available.
- Work closely with development teams to troubleshoot application deployment and infrastructure-related issues.
Requirements
Must Have
- Diploma or Bachelor's Degree in Computer Science, Information Technology, Network Engineering or a related field.
- 4–5 years of experience in network administration, infrastructure engineering or system administration.
- Good understanding of networking fundamentals, including TCP/IP, DNS, DHCP, VLAN, routing and switching.
- Hands-on experience with pfSense firewall configuration, including VPN, NAT, firewall rules and network policies.
- Experience configuring and managing HAProxy for load balancing and high availability.
- Good knowledge of Linux server administration and system troubleshooting.
- Experience with virtualisation technologies such as Proxmox VE, VMware or similar platforms.
- Understanding of high-availability infrastructure, clustering and network redundancy.
- Basic knowledge of DevOps tools and technologies, including Docker, shell scripting and service deployment.
- Familiarity with infrastructure monitoring and troubleshooting tools.
- Strong problem-solving and analytical skills.
- Ability to independently investigate, troubleshoot and resolve technical issues.
- Ability to work independently as well as collaboratively with developers, system engineers and other technical teams.
Good to Have
Experience with any of the following would be an advantage:
- Proxmox VE deployment, configuration and management.
- Ceph distributed storage deployment and management.
- pfSense firewall administration in production environments.
- HAProxy load balancing and high-availability configurations.
- VMware virtualisation technologies.
- Linux server administration and shell scripting.
- Docker and containerised application deployment.
- HCI infrastructure and distributed storage technologies.
- High Availability (HA), clustering and network redundancy.
- Disaster Recovery (DR) planning and implementation.
- Kubernetes and container orchestration.
- CI/CD and infrastructure automation.
- Enterprise server hardware, including CPU, RAM, storage, RAID controllers, NICs and hardware troubleshooting.
- On-premise server infrastructure and data centre networking.
What We Are Looking For
More than anything, we are looking for someone who is:
- Technically Strong – has a solid understanding of networking, server infrastructure and system administration.
- Analytical – able to investigate infrastructure problems and identify root causes rather than simply applying temporary fixes.
- Responsible – understands the importance of infrastructure reliability, security and availability.
- Independent – capable of taking ownership of infrastructure responsibilities and resolving technical issues.
- Adaptable – comfortable learning and working with different technologies and infrastructure platforms.
- Proactive – identifies potential infrastructure problems and looks for ways to improve system performance and reliability.
- A Team Player – willing to collaborate with developers, system engineers and other technical teams.
- Hands-on – enjoys configuring, deploying, maintaining and troubleshooting real-world infrastructure.
We are looking for someone who understands that infrastructure is more than just keeping servers running. It is about building and maintaining reliable systems that support critical business applications.
Why Join Us?
- Work with real production infrastructure supporting healthcare systems.
- Gain hands-on experience with Proxmox VE, Ceph, pfSense and HAProxy.
- Work with modern virtualisation and Hyper-Converged Infrastructure (HCI) technologies.
- Gain exposure to enterprise-level infrastructure, networking and server environments.
- Work with high-availability, clustering and distributed storage technologies.
- Collaborate closely with software developers and system engineers.
- Opportunity to take ownership of infrastructure architecture, deployment and improvements.
- Be part of a technology team building and maintaining systems that directly support healthcare operations.
How to Apply
If you are an experienced network or infrastructure engineer who enjoys solving technical challenges, managing production environments and working with modern infrastructure technologies, we'd love to hear from you.
- Apply through LinkedIn with your CV and details of your relevant infrastructure experience.
Candidates with hands-on experience in Proxmox VE, Ceph, pfSense, HAProxy and Linux infrastructure are particularly encouraged to apply.
- We are looking for someone who is technically capable, takes ownership of their work and is interested in building and maintaining reliable infrastructure.