System Administrator

We are an Online Travel Agency with offices around the world. We're scaling up our Technology team in Barcelona and looking for an experienced System Administrator to join our team in Barcelona.Daily tasks may include installing, upgrading and monitoring software and hardware. The System Administrator will maintain the essentials such as operating systems, business applications, security tools, web-servers, email.

System Administrator Duties and ResponsibilitiesEnsure design of system allows all components to work properly togetherMake recommendations for future upgradesMaintain and monitor network and system securityTroubleshoot problems reported by users and analyze and isolate issuesEvaluate and modify system’s performanceMaintain integrity of the network, server deployment, and securityAdminister servers, software deployment, security updates and patchesEmergency Stanby

System Administrator Requirements and QualificationsBachelor degree in Computer Sciences, Technology, degree or 5+ years of relevant experienceExperience with Cisco ASA firewall technology and Cisco switching and routingAdvanced knowledge of Network debuggingAdvanced knowledge of Monitoring solution Zabbix, NagiosFamiliarity with Analysis tools Elasticsearch, Graylog, KibanaExperience with MTA as Postfix, EximAdvanced knowledge of SQL language and databases as MySQL including replication and MongoDBKnowledge of Automation platform as AnsibleExperience with Control Version System as GitAbility to create and manage VPN ServersKnowledge of intrusion detection system as WazuhExperience with NginxExperience with PCI-DSSKnowledge of Message broker software as RabbitMQAdvanced knowledge of Debian/Centos package systemsAdvanced knowledge of LAMP compiling Linux programs from sources, Iptables, Puppet, Php setup and tweakingAbility to writing manuals and documentationProfessional, proactive and with spirit of improvementResourcefulness and problem-solving aptitudeFluent in English

We Offer: - Challenging work in a dynamic international environment and great potential for development. - Full time position. - Competitive annual salary. Depend of experience and skills.