Senior Infra Engineer

Mô tả công việc

Operate, maintain, and troubleshoot enterprise server infrastructure across DC/DR, HQ and branches, including Windows Server, Linux Server, physical servers, virtual machines and core infrastructure services. Administer Microsoft Active Directory, DNS, DHCP, Group Policy, user/group management, file server, shared folders, NTFS permissions, DFS and related identity/access services. Manage virtualization platforms such as VMware ESXi/vCenter and Hyper-V, including VM provisioning, resource monitoring, datastore, snapshot, vMotion, HA/DRS and troubleshooting activities. Operate storage and backup systems, including SAN/NAS, Veeam/NetBackup or equivalent platforms, backup policy monitoring, restore testing and backup evidence collection. Monitor infrastructure health using Zabbix/Grafana or equivalent tools; respond to alerts related to system performance, storage capacity, backup status, service availability and security events. Implement OS patching, vulnerability remediation, server hardening and periodic health checks for Windows, Linux and infrastructure platforms. Support Microsoft 365 and hybrid infrastructure operations including MFA, Exchange Online, SharePoint, OneDrive, Teams and related security settings where assigned. Coordinate with Network, Security, DBA, Application teams and vendors for incident response, root cause analysis, change implementation and project delivery. Prepare and maintain system documentation, inventory, CMDB, SOPs, runbooks, change plans, rollback plans and audit evidence. Participate in infrastructure modernization projects such as AD/File Server refresh, virtualization restructuring, backup improvement, monitoring enhancement and DR/BCP readiness. Perform other ad-hoc tasks as assigned by the line manager.

Yêu cầu công việc

Bachelor's degree in Information Technology, Computer Science, Information Systems, Computer Engineering, Telecommunications, Cybersecurity or related fields. Minimum 5 years of hands-on experience in system, infrastructure or data center operations; experience in financial services, securities, banking, data center, managed services or SI companies is a strong advantage. Solid knowledge of Windows Server, Active Directory Domain Services, DNS, DHCP, Group Policy, File Server, DFS, certificate services and basic identity/access management. Experience managing VMware ESXi/vCenter and/or Hyper-V, including HA operations, VM migration, capacity monitoring and incident troubleshooting. Experience with SAN/NAS, storage provisioning concepts, backup/restore operations and DR/BCP practices. Familiar with Linux administration, system log analysis, service management, basic network configuration and security baseline. Knowledge of monitoring, logging and endpoint/security tools such as Zabbix, Grafana, PRTG, SIEM, EDR or antivirus platforms. Understanding of IT security principles, including privileged access control, MFA/PAM, patching, hardening, vulnerability remediation and audit controls. Ability to write clear technical documents and operational reports in English; good communication, troubleshooting and vendor coordination skills. Responsible, careful, service-oriented and able to work under pressure, including after-hours maintenance or incident support when required. Experience working for SI companies, securities firms, banks, financial services companies, ISPs, data centers or regulated enterprises. Professional certifications such as Microsoft, VMware VCP, Linux, ITIL, Security+, MCSE/Azure or equivalent are preferred. Experience with PAM solutions, Microsoft 365 administration, Azure/AWS infrastructure, PowerShell/Bash automation and enterprise backup platforms is a plus.

Quyền lợi

Competitive salary based on experience and capabilities. 13th monthly salary and attractive annual performance bonus. Monthly awards for outstanding employees. Social insurance contributions based on full salary. Individual health insurance card (if eligible). Free parking for all employees and phone allowance (if eligible). Quarterly team-building allowances per department. Top performers have the opportunity to visit the company's headquarters in South Korea, with annual organized trips (02 times/year). 100% tuition support for professional certifications (brokerage, analysis, fund management), language courses, and specialized training programs annually. Direct training and mentorship from experienced industry professionals. Opportunities to participate in workshops and professional events to enhance knowledge and stay updated on market trends. Expand your professional network and develop a long-term career in the securities industry. Annual health check-ups, company trips, and other engagement activities. Mon to Fri, 8AM-5PM Location: Level 3, TNR building, 180-192 Nguyen Cong Tru, Ben Thanh Ward, HCMC

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