Sumitomo Mitsui Banking Corporation – SMBC Group

Infrastructure Support, Linux Admin

Sumitomo Mitsui Banking Corporation – SMBC Group

full-time

Posted on:

Location Type: Hybrid

Location: Tralee • 🇮🇪 Ireland

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Job Level

Mid-LevelSenior

Tech Stack

AnsibleAzureCitrixCloudDNSLinuxServiceNowShell ScriptingSMTPVMware

About the role

  • Provide Level 2 support for infrastructure issues across Windows Server, Linux, messaging platforms, and automation tools
  • Administer and troubleshoot Linux systems (RHEL, CentOS, Ubuntu), ensuring optimal performance and uptime
  • Support and maintain Microsoft Exchange and other messaging platforms (SMTP relays, email gateways)
  • Manage and maintain Microsoft Active Directory (user, group, and policy administration)
  • Operate and enhance Ansible workflows for configuration management and system automation
  • Support and troubleshoot VMware vSphere environments
  • Develop, maintain, and execute Azure Runbook flows for automated operational tasks
  • Collaborate with IT and business teams to assess infrastructure needs and deliver effective solutions
  • Perform root cause analysis and contribute to long-term resolution strategies
  • Improve monitoring and reporting for daily system health checks
  • Document resolutions and procedures in a centralized knowledge base
  • Manage and update incidents and requests using ServiceNow
  • Ensure compliance with audit and security requirements
  • Participate in on-call rotation and provide after-hours support as needed
  • Work rotational shifts, including scheduled Saturday coverage, to ensure consistent support availability

Requirements

  • Minimum 3 years of experience in infrastructure and end-user support roles
  • Proficiency in Linux system administration (user management, system updates, log analysis, shell scripting)
  • Experience with Microsoft Exchange and enterprise messaging systems
  • Strong knowledge of Microsoft Active Directory and Windows Server environments
  • Hands-on experience with Ansible for automation and orchestration
  • Experience with VMware vSphere and virtual infrastructure management
  • Experience with Azure Runbook flows and automation in cloud environments
  • Familiarity with Microsoft Office 365 and Citrix Workspace/XenDesktop
  • Understanding of core networking concepts (DNS, DHCP, etc.)
  • Excellent troubleshooting, communication, and customer service skills
  • Ability to manage multiple tasks and projects simultaneously
  • Strong documentation and process improvement skills
  • High sense of urgency and ability to work independently or as part of a team
Benefits
  • Hybrid workforce model allowing remote work and office work
  • Reasonable accommodations for applicants with disabilities

Applicant Tracking System Keywords

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

Hard skills
Linux system administrationMicrosoft ExchangeMicrosoft Active DirectoryWindows ServerAnsibleVMware vSphereAzure Runbookshell scriptingnetworking conceptslog analysis
Soft skills
troubleshootingcommunicationcustomer servicedocumentationprocess improvementtime managementteam collaborationindependenceurgencymulti-tasking