Kamandanu Wijaya
IT Infrastructure & Network Administrator
Focused on system stability, security, and enterprise-grade business operational continuity.
Professional Profile
I am responsible for managing server and network infrastructure, ensuring system availability, security, and monitoring, while maintaining overall IT operations with a structured and preventive approach.
While my structural role is IT Support, my scope of responsibility encompasses server administration, network infrastructure management, security hardening, and the control of critical systems with high-reliability standards.
Work Experience
IT Infrastructure & Network Administrator
Official Title: IT Support
PT Geoservices — Bekasi, Indonesia
- Managing enterprise IT infrastructure (servers, networks, firewalls, NAS, CCTV, and PABX).
- Proactive monitoring and backup/recovery strategies for high system availability.
- Acting as the primary escalation point for infrastructure and network incidents.
- Developing technical documentation and internal knowledge base systems.
IT Infrastructure & Network Administrator
Official Title: IT Support
PT Bahtera Niaga Internasional — Jakarta, Indonesia
- Maintaining 99.9% system uptime through automated backups and proactive maintenance.
- Optimizing LAN/WAN, Wi-Fi, and managing enterprise-grade server environments.
- Developing structured troubleshooting procedures to minimize downtime.
- Implementing operational support systems including CCTV, PABX, and corporate websites.
Core Competencies
| Domain | Expertise |
|---|---|
| IT Infrastructure | Server & Infrastructure Administration, Virtualization |
| Networking | Network Management, LAN/WAN, Network Security |
| Cybersecurity | Firewall Management, System Hardening |
| Reliability | System Monitoring, Backup & Disaster Recovery |
Tech Stack
Server & Virtualization
Linux, Windows Server, Proxmox, VMware
Networking & Security
MikroTik, Cisco, Firewall, VPN, VLAN, TCP/IP
DevOps & Automation
Docker, Ansible, Terraform, Git, Bash Scripting
Monitoring & Reliability
Nagios, Zabbix, Monitoring, Backup & Recovery
Web Development
Node.js, Express, React, Django, WordPress
Database & Services
MySQL, MS SQL Server, Nginx, Apache, DNS
Certifications
"An IT support professional program covering technical support fundamentals, computer networking, operating systems, system administration, and IT security."
"A DevOps course covering Git, CI/CD with Jenkins, containerization using Docker, Ansible, and monitoring with Nagios."
"Fundamentals of offensive security, including ethical hacking, penetration testing, and vulnerability assessment."
"Foundational course on protecting digital assets and understanding modern security challenges."
"Intensive bootcamp building applications using Node.js, React, and RESTful APIs."
"Focus on Python, Django, and SQL for building robust web-based applications."
Contact Me
If you need collaboration or support regarding enterprise IT infrastructure.