Senior System & Infrastructure Engineer (VMware & Storage)

IIJ Global Solutions Vietnam is a subsidiary of IIJ Group, which has been leading as a pioneer in the field of enterprise networks, Infrastructure, and Cloud solutions around the globe since its establishment in 1992.
Established in 2016, with the mission of enhancing business productivity and flexibility to go one step further, we provide turn-key Cloud & Security solutions, and IT consulting & System integration service in Vietnam.
Title: Senior System & Infrastructure Engineer (VMware & Storage)
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.
Skills and Experience:
At least 3 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.
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: [protected info], Monday to Friday.
Scheduled L3 On-Call rotation outside normal working hours.
On-site working location: 87A Ham Nghi, Sai Gon Ward, Ho Chi Minh City.