Senior Infrastructure Engineer (Production Platform)

About the Role Within Earth is looking for a highly experienced Senior Infrastructure Engineer to own and manage our mission-critical production infrastructure. Our hotel platform processes over 1 billion searches per day and thousands of bookings daily. This role is responsible for ensuring our production environment remains stable, secure, scalable, and available 24/7 with near-zero downtime. You will be responsible for managing our virtualization platform, Linux and Windows production servers, enterprise databases, load balancing, monitoring, automation, performance optimization, and troubleshooting across the full infrastructure stack. We are looking for someone who can work independently, make sound technical decisions, quickly identify bottlenecks, perform Root Cause Analysis (RCA), and continuously improve the platform.

What You'll Own: Production Infrastructure

XCP-ng Virtualization Cluster

Linux & Windows Production VMs

HAProxy Cluster

SQL Server

PostgreSQL

MongoDB

Redis

ClickHouse

Kubernetes & Docker

Monitoring & Alerting Platform

GitHub CI/CD

Infrastructure Automation

Azure Infrastructure

Production Performance & Capacity Planning

Required Technical Skills: Infrastructure & Virtualization

You should be able to independently:

Deploy, manage, troubleshoot and optimize XCP-ng clusters

Manage VM lifecycle, storage, networking and live migration

Diagnose virtualization performance bottlenecks

Plan infrastructure capacity and resource allocation

Perform disaster recovery and backup management

Linux & Windows Production Servers

You should be able to independently:

Deploy and maintain production Linux and Windows servers

Troubleshoot CPU, memory, storage and networking issues

Perform OS performance tuning

Handle production incidents

Secure and harden production servers

Automate administration tasks

HAProxy

Advanced production experience with:

HAProxy deployment and administration

High Availability clusters

Health Checks

SSL Termination

Sticky Sessions

ACL Rules

Backend Failover

Load Balancing

Zero Downtime deployments

Performance tuning

Troubleshooting production issues

Database Administration

Hands-on production administration of: SQL Server

PostgreSQL

MongoDB

Redis

ClickHouse

You should be able to independently:

Install and configure databases

Backup & Restore

Replication

High Availability

Performance tuning

Query optimization

Capacity planning

Database monitoring

Troubleshoot production issues

Root Cause Analysis

Monitoring & Observability

Experience building and managing enterprise monitoring using: Zabbix

Datadog

Grafana

Prometheus

ELK (preferred)

You should be able to:

Build dashboards

Configure alerts

Monitor infrastructure health

Monitor database performance

Detect anomalies

Investigate incidents

Identify performance bottlenecks

Kubernetes & Docker

Production experience with: Kubernetes

Cluster Administration

Deployments

Services

Ingress

Helm

StatefulSets

Persistent Volumes

Autoscaling

Rolling Updates

Production Troubleshooting

Docker

Docker

Docker Compose

Image Optimization

Container Networking

Private Registry

Production Operations

CI/CD & Automation

Experience with: GitHub

GitHub Actions

CI/CD Pipelines

Release Automation

Rollback Strategy

Secrets Management

Strong scripting skills using:

PowerShell

Bash

Python

Automation experience is essential.

Cloud

Experience managing Azure production environments including:

Virtual Machines

Networking

Storage

Monitoring

Hybrid Infrastructure

Performance & Troubleshooting

We're Looking For Someone Who Can ✅ Own production infrastructure independently. ✅ Troubleshoot across the complete infrastructure stack. ✅ Identify problems before they impact production. ✅ Make sound technical decisions. ✅ Optimize systems before recommending hardware upgrades. ✅ Automate repetitive operational tasks. ✅ Manage high-availability infrastructure. ✅ Design scalable production systems. ✅ Work comfortably in a fast-moving 24/7 production environment.

7+ years in Senior Infrastructure / Platform Engineering.

Experience supporting enterprise production platforms.

Experience managing high-availability environments.

Strong production troubleshooting and RCA skills.

Experience with both on-premises infrastructure and Microsoft Azure.

You should be confident in: Finding production bottlenecks

Performance optimization

Capacity planning

Infrastructure scaling

Database performance tuning

Application infrastructure troubleshooting

Root Cause Analysis (RCA)

High Availability design

Zero Downtime operations