Mô Tả Công Việc
The System Administrator is responsible for operating and optimizing server infrastructure, ensuring system stability, high availability, security compliance, and supporting production deployments.As a System Administrator, your responsibilities will be: Manage Linux/Windows servers and virtualization platforms (VMware, Proxmox, Hyper-V).Maintain core infrastructure services (DNS, DHCP, NTP, LDAP/AD, File/Web/Mail, Backup).Deploy and operate monitoring systems (Prometheus, Grafana, Zabbix).Ensure high availability via multi-AZ/cluster architectures.Implement PCI DSS patching and vulnerability remediation.Harden OS, network, and firewall configurations.Manage centralized logging and enforce RBAC/Least Privilege.Operate VPN connections and troubleshoot network issues.Support application deployment with DevOps/CI/CD pipelines.Run backup/restore, DR operations, on-call support, and RCA reporting
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Yêu Cầu Công Việc
Bachelor’s degree in IT with 2–3+ years of System Admin experience in production environments.Strong proficiency in Linux and solid networking fundamentals.Experience with high-availability, low-latency, or payment/transaction systems.Hands-on skills with virtualization platforms and HAProxy/Nginx, IPSec VPN, firewall.Proficient in monitoring systems, troubleshooting, log analysis, and RCA.Knowledge of PCI DSS, ISO 27001, logging and data retention standards.Experience in system hardening and access control management.Strong analytical thinking, problem-solving, and clear communication under pressure.Ability to work both independently and in teams with high responsibility and ownership.Preferred: fintech/banking experience, Docker/Kubernetes knowledge, and certifications (CCNA, LFCS).
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Quyền Lợi
Competitive salary, negotiable based on competencePerformance-based bonuses twice a year, depending on KPI and company business resultsIn addition to 12 annual leave days as per labor law, additional paid summer leave based on seniorityHealth insurance for employees and family membersParticipation in company-organized team-building programs and annual community activitiesWorking schedule: Monday – Friday, plus 2-3 Saturday mornings per monthOpportunities to join internal training and development programsFull benefits including social insurance (SI), health insurance (HI), unemployment insurance (UI), annual health check-ups, and other benefits as per company policies and labor law regulations.