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ESA GamingStrada Brașovului 4, Miercurea Ciuc 530003, Románia

Systems Administrator

Full-time |Miercurea Ciuc|Hybrid work
Salary range
Not provided
Job details
Application deadline
September 22
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Job info

About the job

We're seeking an experienced Systems Administrator to manage and maintain our Linux-based infrastructure. The Systems Administrator / IT Operations Engineer is responsible for the day-to-day operation, maintenance, monitoring, security, and continuous improvement of the company's IT infrastructure. The role combines Linux system administration, virtualization, networking, databases, monitoring, security, automation, and operational support to ensure reliable, secure, and highly available services.

The position requires a proactive mindset, strong troubleshooting skills, and the ability to independently manage complex infrastructure while collaborating with development teams and external partners.

Salary range

Salary rangeNot provided
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Work schedule

Weekly working hours40 hours / week
Core time10:00 - 16:00

Responsibilities

Install, configure, maintain, and troubleshoot Linux servers and services
Administer MySQL/MariaDB databases, including installation, replication, backups, recovery, performance tuning, and monitoring
Manage ZFS storage, snapshots, replication, and backup strategies
Maintain LXC container environments and supporting infrastructure
Configure and support networking components, including TCP/IP, routing, DNS, VPNs, and Linux firewalls (iptables/nftables)
Monitor infrastructure using Prometheus, Grafana, exporters, and alerting systems, and continuously improve observability
Implement and maintain security best practices, including system hardening, access control, patch management, certificate management, and vulnerability remediation
Support and maintain ISO 27001 operational and security controls
Develop and maintain automation scripts and tools to simplify operational tasks and improve reliability
Investigate and resolve infrastructure, networking, storage, database, and performance issues; Maintain technical documentation, operational procedures, and disaster recovery plans; Collaborate with development teams and external vendors to support infrastructure-related projects and production services

Professional skills

  • Strong Linux system administration experience.5 / 5
  • Solid understanding of TCP/IP networking, routing, DNS, VPNs, and firewalls5 / 5
  • MySQL/MariaDB administration and replication.5 / 5
  • Experience with ZFS and LXC/Incus (or similar virtualization/container technologies).4 / 5
  • Infrastructure monitoring and observability (Prometheus, Grafana, etc.).5 / 5
  • Shell scripting and infrastructure automation.5 / 5
  • Knowledge of security best practices and ISO 27001 principles.4 / 5
  • Programming experience in PHP.4 / 5
  • Experience with infrastructure backup/restore strategies.4 / 5
  • IPSec VPN configuration experience.4 / 5

Education Level

Automation and Computer ScienceBSc

Language skills

EnglishFit for negotiation

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Personal skills

Excellent analytical, troubleshooting, and problem-solving skills. |Ability to work independently and manage multiple operational priorities.

Hybrid work
About the company

Our story

  • 2000Two university students write a rudimentary online poker client-server.
  • 2010After many smaller operators, we manage to sign a deal with Planetwin as a poker provider.
  • 2014New product development launch: Casino Games Aggregator
  • 2020The Esa Gaming brand is born as an online mobile gaming provider.

What makes our product special

Software development |Game development |Continous Integration |Innovative |Unique

Our product

EasySwipe™ Games, Game Aggregator System


We are a boutique independent provider of high performing, mobile online gaming products.

It is our vision to only bring a product to the market if we think it is innovative and can make a difference. We do not want to be one of the many.

We trust the judgement of our talented team, and we aim to pursue new ideas over what has been tried and tested before.

Our clients

Product video

Product video

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Life with us

Lightning round

1
Ties or shorts?
Shorts. Sometimes a shirt, but still shorts!
2
Bike, public transport or car?
Roller
3
Mac or PC
Let's just not get into it :)

Trainings and workshops

We work together with excellent professionals who can answer your questions at any time. Luckily, we have colleagues from all IT specializations, so you're guaranteed to get your question answered.

How can the employees affect the company’s life?

Good humour and pursuing common goals are part of our workflow. We discuss everything and everyone can share their ideas. We have friend/friend relationships, rather then boss/employee hierarchy.

Why we love our office

  • Plenty of parking spaces
  • Free coffee
  • Discounts at the bar
  • Plenty of activities with discounted entry

Office photo

What would I miss if I left

This is a community of friends. I would miss my friends. Sometimes they drive me crazy, but at the end of the day I just love them. :)

Csongor

Senior Software Engineer - Aggregator Lead

Favourite thing in the office

Personal qualities we appreciate

We are technically minded people. For us, a joke is only effective if there is logic behind it. If you are an easygoing, humorous tech guy or girl, we'll get along fine.

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Net Salary range

1 600-2 300EUR