Linux System Administrator (also available for full remote working)

Company Description

Jetcost is a metasearch website that enables users to search for and compare flights, hotels and rental cars from a range of suppliers. Jetcost websites operate in 38 countries across Europe, Asia and America. Jetcost is part of lm group, publicly traded multinational Group, among the worldwide leaders in the online travel industry. 

Every month, the Group reaches across all its websites and mobile apps (in 17 languages and 40 countries) 60 million unique users that search for and book their travel and leisure experiences. More than 1,200 people enjoy working with us and contribute to provide our audience with a comprehensive and inspiring offering of travel related products and services.

Job Description

*Please note that this can be a full remote working position*

Jetcost is looking for a System Administrator for its metasearch team. We need smart, passionate and motivated professionals, who would join a dynamic team.

Key Responsibilities

  • Full administration of the Metasearch Business Unit infrastructure
  • Contribute to the evolution of a complex hybrid infrastructure
  • Troubleshoot technical issues that may arise during infrastructure maintenance, establish a root cause and form a solution or escalate cases to software engineering teams
  • Respond and action related alerts from centralized management system to maintain infrastructure health (On call technical support is required)



  • 3-5 years relevant work experience
  • Good knowledge of fault-tolerant, highly reliable system design and best practices
  • Experience in working with on-premise and cloud providers (AWS is preferred)
  • Fluency in administering the LAMP stack
  • Fluency in Linux (Debian, CentOS) system administration
  • Good knowledge of networking (iptables/secgroup, vpn - openvpn/ipsec)
  • Fluency in working with HAProxy and AWS Elastic LoadBalancer
  • Good knowledge of automation tools (Puppet is preferred)
  • Experience in administering MySQL clustering solutions (Galera is preferred)
  • Experience in working with in-memory databases  (Redis is preferred)
  • Experience deploying and administering Linux in a virtualization environment
  • MySQL administration and troubleshooting experience
  • Experience in working with GIT version control system
  • Experience in working with deploy pipelines (Jenkins, Gitlab CI are preferred)
  • Fluency in bash scripting
  • Fluency in English


  • Knowledge of the following vendors/technologies is considered a plus:
  • PHP programming language
  • Python programming language
  • Vagrant by HashiCorp / Docker
  • Apache Kafka
  • Apache ZooKeeper
  • Clickhouse by Yandex
  • Cloudflare
  • Graylog
  • ElasticSearch
  • FreeIPA/LDAP/Kerberos
  • Terraform by HashiCorp
  • DNS (Unbound, PowerDNS)
  • Pfsense
  • Proxmox

Additional Information


  • Must be able to work both in a team and independently 
  • Ability to set measurable goals and see them to completion
  • Organized and detail-oriented
  • Excellent communication skills
  • Able to think analytically and be adept at problem-solving