Central Retail VN is one of the top national retail group. We own Go!, mini go!, Lan Chi supermarkets, Supper Sport chain stores...Our revenues have surpassed $1B and we still invest more to expand our presentation across Vietnam. We respect every talent who joins us to boost up our online channels as a part of our vision.

The System Administrator is responsible for managing, maintaining, and optimizing IT infrastructure and platform systems to ensure high availability, performance, and security across the organization.

This role works closely with Technical Operation (OpsTech), DevOps, and Application teams to deliver stable and scalable IT services, while acting as the technical owner of infrastructure components.

Responsibilities

Infrastructure & System Management (40%)

Manage and maintain Linux/Windows servers in on-premise.
Administer virtualization platforms (VMware, Hyper-V, or equivalent)
Monitor system performance, capacity, and availability
Ensure system hardening, patching, and security compliance
Manage storage systems, backup solutions, and disaster recovery (DR) readiness

Incident Resolution & Technical Support (25%)

Act as Level 2 / Level 3 support for infrastructure-related incidents
Troubleshoot system, network, and platform issues (server, OS, storage)
Support major incidents as technical resolver (not just coordinator)
Work closely with OpsTech for escalation handling and root cause resolution
Ensure timely resolution aligned with SLA/MTTR targets

System Reliability & Monitoring (15%)

Design and maintain monitoring systems (Zabbix, Grafana, etc.)
Optimize alert quality and reduce false positives
Ensure proactive detection of system risks and performance issues
Collaborate with OpsTech to improve alerting and operational visibility

Change, Deployment & Improvement (10%)

Execute infrastructure changes, deployments, and system upgrades
Support CI/CD and DevOps initiatives (infrastructure readiness, environment setup)
Participate in capacity planning and system scaling
Identify improvement opportunities to enhance system reliability and performance

Documentation & Standardization (10%)

Maintain system architecture documentation and configuration records
Develop and update operational procedures, runbooks, and recovery guidelines

Experiences

Minimum 3–5 years experience in System Administration / Infrastructure roles
Experience in Retail / multi-site systems is a plus
Hands-on experience with large-scale systems or distributed environments

Requirements

Strong experience with:
Linux / Windows Server administration
Virtualization (VMware, Hyper-V, etc.)
Storage systems & backup solutions
Solid understanding of:
Networking fundamentals (TCP/IP, DNS, VPN)
Monitoring tools and system observability
Security best practices (patching, access control, hardening)

Soft Skills & Mindset

Strong ownership and accountability in system operations
Proactive problem-solving and troubleshooting mindset
Ability to work under pressure during incidents (on-call readiness)
Good communication skills to work across OpsTech, DevOps, and Business teams
Structured and disciplined in documentation and process adherence

Qualifications

Bachelor's degree in IT / Computer Science or related field
Certifications preferred: MCSA / MCSE / Linux (LPI1, LPI2)
English: Working Proficiency

Benefits

Competitive and attractive salary package
Allowances (phone, meal, etc.)
15 annual leave days
Annual performance review
Open, transparent, and collaborative environment
Opportunity to work on large-scale retail systems
Training and career development roadmap

Working Location:

163 Phan Dang Luu, Ward 1, Phu Nhuan District, Vietnam.