Kamandanu Wijaya
IT Infrastructure & Network Administrator — 15+ Years Experience
Enterprise server administration, network engineering, cybersecurity, and DevOps. Helping businesses maintain system stability, infrastructure security, and sustainable IT operations.
IT Infrastructure & System Administration Professional
I have experience managing server and network infrastructure in business environments, with a focus on system availability, security, monitoring, and overall continuity of IT services.
Although my formal organizational role is IT support, the scope of my responsibilities includes server administration, network infrastructure management, system security hardening, and control of critical systems with high reliability standards.
IT Infrastructure Core Competencies
IT Infrastructure & Network Administrator
Structural Role: IT Support (with infrastructure and network responsibilities)
PT Geoservices — Bekasi, Indonesia
- Managing enterprise IT infrastructure including servers, networks, firewalls, NAS, CCTV, and PABX.
- Implementing proactive monitoring and backup/recovery strategies to sustain high system availability.
- Serving as the primary escalation point for infrastructure and network incidents.
- Developing technical documentation and internal knowledge base systems.
IT Infrastructure & Network Administrator
Structural Role: IT Support (with infrastructure and network responsibilities)
PT Bahtera Niaga Internasional — Jakarta, Indonesia
- Maintaining 99.9% system uptime through automated backups and proactive maintenance.
- Optimizing LAN/WAN, Wi-Fi, and maintaining web servers, NAS, and DNS in enterprise environments.
- Creating 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 |
Infrastructure & DevOps Tech Stack
Networking & Security
MikroTik, Cisco, Firewall, VPN, VLAN, TCP/IP
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 for IT Infrastructure Projects
Need IT infrastructure support, system administration, or network engineering? Get in touch.
