Purbalingga, Central Java • Available for Projects

Building systems.
Making them work.

Robotics Engineer IoT Developer System Administrator

Systems engineer connecting edge hardware to server infrastructure: from telemetry sensors and microcontrollers to Proxmox virtualization, MikroTik routing, Bash automation, and operational observability.

View Technical Projects Contact Me

Find me on: GitHub ↗ LinkedIn ↗

01 / Projects

Featured engineering projects

Battle-tested implementations across hypervisors, networks, servers, IoT telemetry, and CLI pipelines.

bash provision_vm.sh --template debian12

READY IN 2m 48s

> User create template → Auto-provision VM

> Allocating ZFS storage pool & VLAN 20 subnet...

> Injected Cloud-Init SSH keys & static IPv4

Manual Setup: 30 min → Automated: 3 min (90% faster)

Infrastructure as Code github.com ↗

Proxmox Automation with Bash

Automated VM provisioning, network configuration, and scheduled backup management for Proxmox VE. Reduces manual server setup time from 30 minutes to under 3 minutes per instance with zero configuration drift.

Proxmox VE Bash IaC VM/LXC ZFS Pool

PROXMOX NATIVE • 3-NODE CLUSTER

24H TELEMETRY LIVE

CPU LOAD

38.4%

RAM USAGE

14.2 / 32G

UPTIME

99.98%

15 Containers / 6 VMs Active All Nodes Healthy

Real-Time Observability live demo ↗

ProxMenux Monitor: Cluster Dashboard

Centralized multi-node cluster monitoring powered by Proxmox's native observability and built-in dashboard. Provides an intuitive, clean interface consolidating real-time CPU, RAM, storage throughput, and container health metrics across all nodes in a single unified view.

Proxmox UI Native Monitoring Docker Compose Proxmox API Multi-Node

SERVER STACK ARCHITECTURE HARDENED

CLIENT

HTTPS

→

PROXY

Nginx SSL

→

SERVICES

Docker

→

METRICS

Proxmox UI

UFW: Port 22/80/443 SSH: Key-Only (Root Disabled)

Linux Production Stack Verified Lab

Linux Server Admin & Monitoring Stack

Ubuntu & Debian server administration: SSH hardening, UFW firewall, Nginx reverse proxy with automated SSL/TLS termination, and containerized Docker services. Utilizes Proxmox's integrated monitoring system for clear, intuitive host and container telemetry.

Ubuntu Nginx UFW SSL/TLS Proxmox UI Native Monitoring

PNS LAB • TELKOM UNIV PURWOKERTO NEXT.js 16 SSR

Research Areas & Publications Live Profile

Practicum Documentation Portal db.json Storage

Host: Ubuntu LXC Container Auto-Backups Active

Full-Stack Lab System github.com ↗

Website Lab: Lab Management Platform

A web platform for the PNS Lab at Telkom University Purwokerto, featuring lab profiles, research areas, practicum documentation, and publications. It is built using Next.js 16 and Server Actions, utilizes db.json for data storage (chosen intentionally for low-overhead deployment on LXC without requiring a full database stack), and is hosted in an Ubuntu LXC container with scheduled auto-backups.

Next.js 16 db.json Server Actions Ubuntu LXC

MARKITDOWN AI PIPELINE 84% COST SAVING

50MB Raw Document (PDF/DOCX) 5,000 tokens

↓ Batch Conversion & Table Sanitization ↓

200KB Clean Markdown File 800 tokens

Fast LLM Context Load Claude / ChatGPT Optimized

AI-Optimized CLI github.com ↗

MarkItDown Converter: AI File Pipeline

Python CLI utility for batch converting PDF, DOCX, XLSX, PPTX, and media files into structured Markdown—reducing LLM token consumption by 85% per upload. Example: 50MB PDF report = 5,000 tokens → 800 tokens per document. Processed 1,000+ documents across team projects with sub-5% error rate.

Python CLI File I/O Markdown PyPI Package

02 / About

Building reliable systems. End to end, from hardware to cloud.

Bridging physical embedded hardware and resilient server infrastructure with a relentless focus on production reliability.

I build systems that actually work in the real world—not just proof-of-concepts that fall apart in production.

From microcontroller firmware (ESP32, Arduino) and mechanical design to distributed infrastructure (Proxmox, MikroTik, Docker), I handle the full stack. Most engineers specialize in either embedded or infrastructure. I do both—and that's where reliability lives: at the boundaries between layers.

Right now I'm focused on infrastructure automation and systems resilience: clustering, monitoring, and automated recovery. Because uptime isn't luck—it's architecture.

I document everything and build for handoff. Systems I deploy keep working long after I'm gone.

01. Virtualization

Proxmox VE & Linux

IaC Bash provisioning, LXC containerization, & server hardening.

02. Networking

MikroTik & Routing

Multi-subnet VLAN, QoS traffic shaping, & Nginx reverse proxy.

03. Hardware / IoT

Embedded & Telemetry

ESP32, MQTT protocols, sensor acquisition, & Proxmox dashboards.

Muhammad Abdul Rasyid Purbalingga, Indonesia

03 / Experience

Professional experience

Nov 2024 — Present

Systems Engineer & IoT Developer

Independent / Freelance

• Architecting and maintaining 3-node distributed infrastructure supporting 107+ virtualized instances (16 VMs + 39 LXCs on lab cluster; 12 instances on home lab). Implemented multi-subnet routing with MikroTik and traffic shaping across isolated VLANs. Deployed and maintained full observability stack using Proxmox native dashboard monitoring 120+ host and container metrics in real-time, enabling rapid incident detection and resolution.
• Developed CLI automation tools including MarkItDown Converter (Python) to batch-convert technical documentation into structured Markdown—slashing LLM token usage by 85% per upload with sub-5% error rate.
• Automated daily off-site ZFS snapshot backups and container provisioning workflows using Bash IaC, cutting manual disaster recovery time from 45 minutes to under 5 minutes per host.

Jul 2022 — Oct 2024

Robotics Engineer

CV Solusi Arya Prima

• Engineered and deployed 12+ custom automation systems for industrial clients (manufacturing, material handling, inspection), reducing customer production downtime by an average of 40% and increasing line throughput by 25%.
• Performed root-cause analysis on 20+ complex mechanical and electrical systems, delivering hardware and firmware fixes that elevated system uptime from 85% to 99%+ within 6 months.
• Managed end-to-end project delivery across 5 simultaneous client engagements from scoping to production deployment, consistently hitting a 3-month turnaround from kickoff to field handoff.
• Authored 15+ comprehensive technical specification documents, electrical schematics, and maintenance procedures—enabling clients to operate independently with zero vendor lock-in.

04 / Expertise

Technical expertise

Practical engineering proficiencies in virtualization, routing, Linux administration, and embedded IoT.

☁️

Virtualization & Infrastructure

Proxmox VE virtualization architecture for workload isolation, KVM/QEMU virtual machines, lightweight LXC containerization, Bash infrastructure-as-code automation, and centralized ZFS/LVM storage pools with scheduled snapshot backups.

Proxmox VE KVM / QEMU LXC Containers Bash IaC ZFS / LVM

🌐

Networking & Routing

MikroTik RouterOS configuration, multi-subnet routing design, 802.1Q VLAN segmentation, firewall filter and NAT policies, plus bandwidth shaping (Simple Queue & Queue Tree) for Quality of Service (QoS) optimization.

MikroTik RouterOS Multi-Subnet Routing VLAN Traffic Shaping QoS Firewall / NAT

🐧

Linux Administration & Services

Ubuntu and Debian server management: SSH key hardening, fail2ban, UFW/iptables firewall configuration, Nginx reverse proxy with automated SSL/TLS termination (Let's Encrypt), systemd service supervisors, and shell automation scripts.

Ubuntu Server Debian Shell Scripting Nginx Reverse Proxy SSL / TLS SSH Hardening

📈

Monitoring & Observability

Infrastructure health tracking via Proxmox's native dashboard for real-time CPU, RAM, storage I/O, and container metrics across cluster nodes. Sensor telemetry from IoT edge devices (ESP32 + MQTT) aggregated and visualized alongside host metrics for unified operational visibility.

Proxmox Monitoring Native Dashboard MQTT Telemetry Cluster Health Edge-to-Server Metrics

⚡

IoT & Embedded Systems

Firmware development for ESP32 and Arduino microcontrollers, industrial sensor acquisition (temperature, humidity, telemetry), lightweight pub/sub data transport over MQTT protocols, embedded local HTTP servers, and electro-mechanical interfacing.

ESP32 Arduino MQTT Sensor Telemetry Embedded C++

🏆

Certifications & Engineering

Holds verified Linux System Administration Certification from ID-Networkers (IDN). Rigorous version control with Git/GitHub, continuous integration / continuous deployment (CI/CD) pipelines, and reproducible infrastructure-as-code practices.

ID-Networkers Linux Git / GitHub CI / CD Python CLI Infrastructure-as-Code

05 / Contact

Let’s build something reliable.

Open for systems engineering collaborations, Proxmox virtualization setups, MikroTik network engineering, and IoT automation implementations.

Direct Email

Primary communication channel

Send a direct message or copy address safely with one click.

WhatsApp

Rapid consultation & messaging

Fast response for engineering inquiries and system architecture discussions.

GitHub

Open source & repositories

Explore source repositories for Proxmox automation, CLI pipelines, and lab projects.

Open GitHub Profile →

LinkedIn

Professional network & career

Professional connections, verified credentials, and career recommendations.

View LinkedIn Profile →

Building systems. Making them work.