IT Infrastructure Engineer

Fiemas Aji

Specialized in Networking & System Administration

Passionate IT Support, Network Administrator, and System Administrator with hands-on experience designing robust multi-vendor network topologies, managing enterprise virtualization clusters, and automating cloud-ready infrastructure.

status.fiemas.sh
admin@node01:~$ neofetch --infra
Host: ajihost
OS: GNU/Linux, Windows
Hypervisors: VMware ESXi, Proxmox VE
Networking: MikroTik, Cisco IOS, UniFi, Ruijie
IaC & Tools: Docker, Terraform, Ansible
Monitoring: Cacti (SNMP), Nagios Core
Uptime: 99.98% (342 days, 14h, 22m)
4
Core Network Vendors
10+
Deployed VMs & Containers
100%
IaC Baseline Automation
24/7
Monitoring & Alerting

Core Competencies & Toolchain

Comprehensive hands-on expertise spanning modern enterprise network hardware, operating systems, virtualization platforms, and proactive telemetry.

Network Engineering

Configuration, routing protocol implementation, VLAN segmentation, bandwidth management, and firewall rules.

MikroTik (RouterOS) Cisco (IOS/Switching) Ubiquiti (UniFi) Ruijie / Reyee

Virtualization & Containers

Enterprise hypervisor clustering, high availability, storage pool configuration, containerization, and workload orchestration.

Docker Proxmox VE VMware ESXi

IaC & Automation

Automating configuration management, infrastructure provisioning, and continuous baseline auditing across nodes.

Terraform Ansible Bash & Shell

Operating Systems

System administration, user access management, Active Directory, DNS/DHCP servers, and security hardening.

Linux Windows Server

Observability & Monitoring

Proactive SNMP device polling, network traffic graphing, infrastructure threshold alerting, and incident response.

Cacti (SNMP/RRDTool) Nagios Core / XI Traffic Analysis

IT Support & SecOps

Hardware diagnostics, end-user technical escalation, backup & disaster recovery (BDR), and infrastructure documentation.

Firewall & NAT Backup Solutions Hardware Diagnosis

What I Bring to the Table

Delivering end-to-end IT infrastructure stability from physical layer patching to cloud-native automation.

Network Administration

Designing scalable, fault-tolerant networks using industry-standard equipment.

  • Multi-SSID & VLAN segmentation (MikroTik, UniFi, Ruijie)
  • Overlay Network & VPN (ZeroTier, Tailscale)
  • Dynamic routing, QoS, bandwidth queues & hotspot portals
  • Switching & port security

System & Virtualization

Maintaining reliable server environments and optimizing VM resource allocation.

  • VMware ESXi & Proxmox VE bare-metal deployments
  • Linux & Windows Server administration, Active Directory DS
  • Containerizing services via Docker & Docker Compose
  • IaC provisioning with Terraform & config automation with Ansible

Monitoring & Support

Continuous health telemetry and swift resolution of mission-critical bottlenecks.

  • Comprehensive network device graphing via Cacti (SNMP)
  • Real-time host & service status alerting using Nagios
  • Root-cause analysis, log inspection, and troubleshooting
  • Tier 1 - Tier 3 technical support and hardware lifecycle management

Query the Infrastructure

Type commands in the console below to explore my configuration, skills, and background interactively.

guest@fiemas-server:~
SSH-2.0
Welcome to Fiemas Aji's interactive terminal! [Version 2.4.0-release] Type 'help' to list available commands.
guest@fiemas-shell:~$

Let's Build Resilient Systems Together

Whether you need a full network overhaul, virtualization setup, automation pipelines, or reliable sysadmin support—I am ready to help.