Job Opening — System Administrator (Junior–Mid Level)

Job Opening — System Administrator (Junior–Mid Level)

India — Full Remote — 35,000 INR / month

We are a growing Portuguese company looking for a System Administrator who is motivated, reliable, and capable of improving and stabilizing our infrastructure. You will help manage our servers, assist our development team, and set up secure environments for remote workers.

Important : Our developers are strong, but they do not have deep experience in PostgreSQL and server-level debugging. We need someone able to solve issues the development team cannot handle. Responsibilities 1. Linux & VPS Management (Contabo) Configure, monitor, and maintain Linux VPS servers

Create and manage virtual servers on Contabo

Manage users, SSH, roles, and secure access

Optimize performance, memory, CPU, and services

2. PostgreSQL Administration Diagnose slow queries, locks, deadlocks, and connection issues

Tune PostgreSQL for Odoo

Monitor performance and prevent database crashes

Assist developers with DB-related improvements

3. Security & Encryption Configure SSL / TLS certificates

Firewall management (UFW, iptables, etc.)

VPN setup for remote teams (WireGuard / OpenVPN)

Apply basic security hardening on servers

4. Windows Virtual Servers for Remote Employees (Important) You will be responsible for building and maintaining online Windows environments so that our remote workers do not use their personal machines.

This includes :

Creating Windows virtual machines (VMs) on Contabo

Setting up RDP access for each employee

Managing user accounts and permissions

Ensuring secure access with firewalls & VPN

Installing required apps and updates

Managing snapshots & backups

Ensuring good performance for daily work tasks

(If you know Active Directory , it is a bonus, but not required.)

5. Odoo Support (Server-Side) Monitor logs, workers, longpolling

Restart services and fix basic issues

Coordinate with hosting provider in case of crashes

6. Internal Support & System Improvement Help the team improve processes

Write simple documentation

Automate basic tasks (cron jobs, scripts)

Validate backups and stability of systems

Requirements Must Have Good Linux knowledge (Ubuntu preferred)

Experience with VPS / cloud servers (Contabo, AWS, DigitalOcean, etc.)

Ability to set up and maintain Windows virtual machines

Good understanding of RDP, firewall rules, user permissions

PostgreSQL administration basics

Basic security knowledge (SSL, firewall, VPN)

Ability to troubleshoot real problems

English communication skills

At least 4h overlap with Portuguese working hours

Nice to Have Odoo experience

Docker basics

Active Directory

Bash / Python scripting

Previous experience with remote work environments (VDI / RDP)

Salary 35,000 INR / month

Ideal for a junior–mid level candidate with real hands-on experience.