Senior Linux AdministratorInformation Systems · Dublin, County Dublin, IrelandDescriptionAbout the roleIn the role, the successful candidate will:* Ownership for assigned incidents, requests and other ticket types associated with the Linux hosting environment* Troubleshoot issues with ICT services in conjunction with Information Systems colleagues* Ensure all systems & servers are functioning & communicating properly. Systems include:* RHEL OS (version 8, upgrade to 10 planned)* RH OpenShift running in Azure (ARO)* Automation: Ansible Automation Platform, Automation Hub, Bash scripting* Version Control: Git (Bitbucket), SVN* Atlassian: Jira, Confluence* CI\CD: Jenkins, SonarQube, Sona type* Security: Rapid7, Aquasec, OSSEC* Monitoring: Opsview, Prometheus* Logging: EFK, LOKI, Splunk* Cloud: Azure Platform* Daily system administration duties* Liaise with 3rd party vendors* Ensure the Red Hat environment is patched and up to date with all security and feature patches* Monitor environment performance* Ensure Dev Ops policies, standards & procedures are developed, implemented and adhered to* Ensure relevant documentation is regularly updated & maintained* Conduct regular disaster recovery testing ensuring backup plans & documentation are up to dateRequirementsAbout youWe are looking for somebody who has the following background and skills:A strong understanding of best practices in terms of policies, standards and controls appropriate to a large financial services organizationBackground working in financial institutions preferableRelevant accreditations requiredMust have 5 years' experience in relevant rolePossess an advanced understanding of Linux concepts and technologiesExperienced at organizing, prioritising & multitaskingExperience in working with 3rd party vendorsExperience with:* RHEL OS (version 8, upgrade to 10 planned)* RH OpenShift running in Azure (ARO)* Ansible Automation Platform and Automation Hub* Version Control: Git (Bitbucket), SVN* Atlassian: Jira, Confluence* CI\CD: Jenkins, SonarQube, Sonatype* Security: Rapid7, Aquasec, OSSEC* Monitoring: Opsview, Prometheus* Logging: EFK, LOKI, SplunkThe candidate must demonstrate:A good aptitude for relevant technologiesProven experience Linux administrationExceptional critical thinking & problem-solving abilityKnowledge of best practices regarding management, control & monitoring of the Linux EnvironmentAbility to work independently under minimal supervisionKnowledge of computing infrastructuresExcellent troubleshooting skillsGood interpersonal & communication skills to provide support in a professional mannerAbility to work on own initiative & demonstrate proactive ownership of tasks and issues with a defined SLASelf-motivated with good judgement, organisational and time management skillsAn ability to follow established processes & procedures and define new ones when appropriateGood attention to detailGood team working capabilityDedicated and flexible work attitude