Amila Kothalawala
Available for Work

Building Secure, Scalable
Hybrid Cloud Infrastructure

Senior Infrastructure Architect | DevSecOps Specialist | Linux Engineer

I bridge the gap between On-Premise hardware and Cloud. Specializing in High-Availability Proxmox Clusters, Dockerized Microservices, and Security-First Architecture.

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What I Do

Infrastructure & DevOps Solutions

Hybrid Cloud & Migration

Designing High-Availability clusters with Proxmox VE. Migrating legacy servers to modern Cloud (AWS/GCP) to reduce licensing costs.

Communication Infrastructure

Deploying secure, Dockerized Mail (Mailcow/Mailu) & Carbonio solutions. Ensuring high deliverability with SPF/DKIM.

Centralized Monitoring

Setting up Grafana, Prometheus & Zabbix dashboards. 24/7 Proactive monitoring to detect CPU/RAM spikes before they crash.

On-Premise AI Infrastructure

Deploying Self-Hosted AI (Ollama) on local hardware and building automated workflows using n8n & Flowise.

DevOps & Automation

Implementing CI/CD pipelines, Infrastructure as Code (Terraform), and container orchestration with Docker & Kubernetes.

Security & Auditing

Hardening Linux servers, configuring Firewalls (pfSense), and conducting vulnerability audits to meet ISO 27001 standards.

Workflow

Engineering Process

1

Audit & Discovery

I audit your current infrastructure, analyze logs/metrics, and identify bottlenecks.

2

Architecture Design

I design a scalable, secure Cloud Architecture tailored to your specific budget.

3

Implementation

I implement the solution using IaC (Terraform), setup monitoring, and launch live.

4

Hardening & Scaling

Ongoing security hardening, performance tuning, and load balancing.

Skills

Technical Expertise

Private Cloud

Proxmox VE
Ceph Storage
HA Clustering
LXC / KVM

Multi-Cloud

AWS
Google Cloud
Azure
Hetzner

DevOps & Automation

Docker & K8s
Terraform
Ansible
GitHub Actions
Bash Scripting

Security

Firewalls (pfSense)
VPN
ISO 27001
Fail2Ban
Portfolio

Featured Projects

🚀 Proxmox Resource Sizer

A specialized capacity planning tool aimed at Virtualization Architects to calculate resource requirements for Enterprise Private Clouds.

JavaScript Tool
Try Tool

💰 Kasi App

A Cloud-Native microservice application built with Go (Golang) and Docker, demonstrating secure container orchestration.

Product Golang
View Docs

📧 Mail & Monitoring Stack

Deployed a High-Availability Dockerized Mailcow cluster with unified Grafana Dashboard for Infrastructure Reliability.

Mailcow Grafana

🤖 AI Automation Workflows

Built private, self-hosted AI workflows using n8n, Flowise, and Ollama to automate secure internal operations.

n8n AI
Investment

Pricing & Rates

Hourly Consultation

Quick fixes, Audits & Troubleshooting.

€50 / hour
Submit Ticket

Project Based

Migrations, Setups & Transformations.

Custom
Get a Quote
Common Questions

Frequently Asked Questions

Do you provide 24/7 Support?

My standard working hours are based on European Time (EET). However, for critical production issues, I offer emergency support.

Is my confidential data safe?

Absolutely. As an Information Security MSc holder, I use encrypted connections (VPN), strict access controls, and I am happy to sign an NDA.

How do payments work?

For Project-based work, a 50% deposit is required. I accept Bank Transfer, PayPal, and Crypto (USDT).

Can I hire you for Maintenance?

Yes! I offer monthly retainer packages to keep your infrastructure secure, updated, and running smoothly.