Davy

Senior Linux Administrator

Davy

full-time

Posted on:

Location Type: Hybrid

Location: Dublin • Ireland

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Job Level

Senior

Tech Stack

AnsibleAzureCloudJenkinsLinuxOpenShiftPrometheusSplunkSubversion

About the role

  • **About the role **
  • In 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 date

Requirements

  • **About you **
  • We 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 organization
  • - Background working in financial institutions preferable
  • - Relevant accreditations required
  • - Must have 5 years’ experience in relevant role
  • - Possess an advanced understanding of Linux concepts and technologies
  • - Experienced at organizing, prioritising & multitasking
  • - Experience in working with 3rd party vendors
  • **Experience 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, Splunk
  • **The candidate must demonstrate: **
  • - A good aptitude for relevant technologies
  • - Proven experience Linux administration
  • - Exceptional critical thinking & problem-solving ability
  • - Knowledge of best practices regarding management, control & monitoring of the Linux Environment
  • - Ability to work independently under minimal supervision
  • - Knowledge of computing infrastructures
  • - Excellent troubleshooting skills
  • - Good interpersonal & communication skills to provide support in a professional manner
  • - Ability to work on own initiative & demonstrate proactive ownership of tasks and issues with a defined SLA
  • - Self-motivated with good judgement, organisational and time management skills
  • - An ability to follow established processes & procedures and define new ones when appropriate
  • - Good attention to detail
  • - Good team working capability
  • - Dedicated and flexible work attitude
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Linux administrationRHEL OSRH OpenShiftAnsible Automation PlatformBash scriptingGitJenkinsSonarQubeRapid7Prometheus
Soft Skills
critical thinkingproblem-solvingorganizational skillstime managementinterpersonal skillscommunication skillsability to work independentlyattention to detailteam working capabilityself-motivated