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IIJ Global Solutions Viet Nam

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Senior System & Infrastructure Engineer (VMware, Linux)

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Summary

Senior engineer who operates and improves VMware, server, and enterprise Storage/SAN environments, acting as the L3 escalation point for incidents, RCA, patching, and maintenance, with participation in an on-call rotation. Core stack: VMware vSphere/ESXi/vCenter, Windows and Linux, SAN/NAS, HPE/Dell hardware.

Top 3 Reasons To Join Us

13th-month bonus, and performance bonus

Private health insurance package provided

Working hours: 09:00–17:30, Monday to Friday.

The Job

Position Summary

  • We are looking for a Senior System & Infrastructure Engineer to operate and improve our VMware, server and enterprise Storage/SAN environments.
  • The engineer will act as an L3 escalation point, participate in the scheduled On-Call rotation, and may temporarily support shift operations when required due to staffing needs.

Scope of work:

  • Monitor, operate and troubleshoot VMware ESXi, vCenter, Windows/Linux servers and enterprise Storage/SAN systems.
  • Handle L3 incidents escalated by L2 engineers.
  • Perform incident recovery, root cause analysis and problem management.
  • Prepare implementation, validation and rollback plans for infrastructure changes.
  • Monitor system availability, capacity, performance and hardware health.
  • Perform approved patching, upgrades and preventive maintenance.
  • Maintain physical servers and infrastructure hardware, including HPE and Dell systems.
  • Coordinate with vendors for hardware failures and complex technical issues.
  • Maintain SOPs, system inventory, troubleshooting guides and known-error records.
  • Guide L2 engineers on routine checks, evidence collection and escalation.
  • Participate in the rotating L3 On-Call schedule.
  • Support operational improvement and infrastructure automation initiatives.

Your Skills and Experience

  • Three or more years of experience in System or Infrastructure Operations.
  • Hands-on experience with VMware vSphere, ESXi and vCenter.
  • Hands-on experience with enterprise Storage/SAN or NAS systems.
  • Good knowledge of Windows and Linux administration.
  • Experience troubleshooting server, virtualization and storage incidents in Production.
  • Understanding of storage concepts such as volume/LUN, zoning, multipathing, capacity and performance.
  • Working knowledge of Active Directory, DNS, NTP, SSH, SFTP and Syslog.
  • Good understanding of Layer 2 and Layer 3 networking fundamentals.
  • Experience with incident handling, RCA and change/rollback procedures.
  • Ability to write clear technical documentation and troubleshooting guides.
  • Strong analytical and problem-solving skills.
  • Intermediate English communication skills.
  • Willingness to participate in the scheduled On-Call rotation.

Preferred Qualifications

  • Experience with Veeam, Zabbix, SNMP or similar backup and monitoring tools.
  • Experience working with HPE, Dell or other enterprise server/storage platforms.
  • Basic exposure to OpenStack or private-cloud environments.
  • Experience supporting or mentoring L2 engineers.
  • Relevant VMware, Linux or Storage certification.
  • Basic scripting or automation experience with PowerShell, Python or shell scripts.

Why You'll Love Working Here

Benefits:

  • Attractive Compensation: Competitive base salary based on your capability, 13th-month bonus, and performance bonus. Annual salary review
  • Private health insurance package provided.
  • Work-Life Balance: Company trips, team-building events, and internal engagement activities.
  • Supportive Culture: Open, collaborative, and friendly working environment with positive and skilled teammates.

Working Arrangement

  • Normal working hours: 09:00–17:30, Monday to Friday.
  • Scheduled L3 On-Call rotation outside normal working hours.
  • On-site working location: 87A Ham Nghi Street, District 1, Ho Chi Minh City.

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