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L1 Technical Support (Linux)

L1 Technical Support (Linux)

Hitachi Sunway Information SystemsSubang Jaya, Selangor, Malaysia
5 days ago
Job description

Provide 1st-level escalation and troubleshooting support for customer inquiries regarding product features, specifications, repairs, and entitlements.

Primary Support Responsibilities

  • Serve as the primary contact for Linux OS support, configuration, and troubleshooting.
  • Assist and troubleshoot Windows issues as required.
  • Perform weekly cadence checks and maintenance for Linux and Windows environments.
  • Plan and schedule OS patching activities for Linux and Windows servers.
  • Generate patching tracker reports and compliance documentation.
  • Ensure Linux systems are up to date, secure, and compliant with company policies.
  • Maintain and update customer inventories per request.
  • Integrate CMDB data from ServiceNow with customer inventory.
  • Conduct rack validation and update physical asset information.
  • Perform local user access reviews on Linux and Windows servers using BigFix.
  • Prepare and maintain accurate documentation for troubleshooting, processes, and system configurations.
  • Collaborate with internal teams to meet SLA requirements and proactively prevent recurring issues.
  • Handle multiple technical tasks independently with minimal supervision.
  • Participate in rotational shifts and provide off‑hours standby support when needed.
  • Continuously improve technical skills, particularly in Linux administration, through self‑paced learning and knowledge sharing.

Technical Skills & Tools

  • Strong hands‑on experience in Linux administration (Red Hat, CentOS, Ubuntu, or equivalent).
  • Proficient in Linux command‑line tools, shell scripting, log analysis, and system performance tuning.
  • Familiarity with security hardening, patch management, and automation in Linux environments.
  • Experience using BigFix for automated patch management across Linux and Windows platforms.
  • Proficient in asset inventory collection and reporting.
  • Experience with ITSM tools such as Symphony and ServiceNow.
  • Basic database administration (MySQL, PostgreSQL, MS SQL, Oracle).
  • Knowledge of backup and restoration tools, particularly VEEAM.
  • Basic understanding of Windows Server administration to support hybrid environments.

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    Technical Support • Subang Jaya, Selangor, Malaysia