08/11/2025 updated

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Senior Server and Network Administrator

Kuala Lumpur, Malaysia
Malaysia
Bachelor of Computer Engineering
Kuala Lumpur, Malaysia
Malaysia
Bachelor of Computer Engineering

Profile attachments

KelvinYoResume.pdf

ProxmoxAmazon Web ServicesMicrosoft AzureCloud ComputingComplex NetworksComputer SecurityDisaster RecoveryElectrical SwitchgearHyper-VInformation Technology OperationsInfrastructure ManagementIntrusion Detection SystemsVirtual Private Networks (VPN)Network ArchitectureVirtualizationNetwork RoutersAdministrative OperationsSystem AvailabilityFirewalls (Computer Science)Team ManagementSafety PrinciplesNetwork ServerNetwork OptimizationVMware
With over 10 years of experience in system and network infrastructure design, configuration, and administration, I bring a strong technical background, strategic problem-solving skills, and a proven track record of optimizing IT environments to support business goals. Throughout my career, I have successfully designed, implemented, and maintained robust network and system infrastructures that ensure high availability, security, and performance. My expertise includes configuring and managing servers, firewalls, routers, and switches, as well as deploying virtualization, cloud solutions, and cybersecurity measures. I have also led projects involving network optimization, system migrations, and disaster recovery planning, ensuring seamless IT operations for organizations. Some key highlights of my experience include: -Designing and deploying scalable network infrastructures to enhance performance and security. -Managing system configurations, virtualization (VMware, Hyper-V, Proxmox), and cloud integrations (AWS, Azure). -Implementing cybersecurity best practices, including firewalls, VPNs, and intrusion detection systems. -Leading cross-functional teams to successfully execute IT projects within budget and timelines. -Troubleshooting complex network and system issues to minimize downtime and maintain productivity.

Experience

Professional experience10+ years
Freelancer since2023

Languages

EnglishFluent

Project history

Senior Network and System Administrator

Nextwave Solutions Sdn Bhd

Internet & IT

< 10 team member

Project History Summary
  • Enterprise Network Upgrades: Designed and deployed high-availability network infrastructures with VLAN segmentation, VPN access, and intrusion detection, boosting performance and reducing downtime.
  • Data Center Virtualization: Migrated physical servers to VMware/Proxmox, consolidating hardware, reducing costs by 35%, and cutting recovery times to under 15 minutes.
  • Cloud Integrations: Implemented AWS and Azure hybrid solutions with secure VPN tunnels, enabling remote access and automated backups.
  • Cybersecurity Enhancements: Installed next-gen firewalls, endpoint protection, and SIEM systems, achieving ISO 27001 compliance and reducing incidents by 80%.
  • Disaster Recovery Planning: Designed and tested DR solutions with off-site replication and automated failover, ensuring zero data loss in outages.

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