System Administrator

Job description To assist System Administration Assistant Manager in managing the Company's IT infrastructures and its operations to ensure the entire company's IT environment and business applications can always function properly and securely. Deliver a high quality of services to enhance the function of infrastructures, operation and meet internal customer's expectations.
Enhance daily IT operations
Lead and coordinate the troubleshooting process
Find opportunities for further optimize the IT infrastructure and operations
Enhance Back up for System Administrators in critical technology areas
Prepare documentation and reports including but not limited to manuals, test guides, project plans and work breakdowns
Develop and suggest the recommendations for supporting implementation and continuous improvement to the team and department
Execute the strategic and midterm plans of IT
Work in partnership with internal and/or external stakeholders to design, manage, test and seek agreement on development systems solutions to meet the needs of the business
Review and verification of technical documents created by the BA team
Coordinate with other team to accomplish business requirement
Another task will be assigned by line manager or department head
Job requirements
Qualification
University Degree majored in Computer Science, Information Technology or any related major
Work Experience
Minimum 05 years working experience in IT infrastructures, operations or technical support environment.
Experience in SAN, NAS system (San Switch, LUN, Host, add disk...)
Experience Linux systems: Lib, kernel, LVM. Shell script
VMware system: ESXI host, Vcenter, cluster, LACP VMware switch
IBM Power system: HMC, AIX
Practical experience with Docker containerization and Kubernetes Implementation
Knowledge
Good understanding of TCP/IP, UDP, HTTP, SSL/TLS and DNS
Good knowledge of design patterns, system architecture, and best practices
Good knowledge of Virtualization
Good knowledge middleware, Webservices
Good knowledge of Window/UNIX/Linux operating system including troubleshooting and system hardening
Skills
Process Optimization
Automation and scripting
Troubleshooting skills
Security and monitoring
Jenkins
Kubernetes
Docker
Elasticsearch
VMware, SAN, basic network, Firewall
Patching OS Communication skills
Time management
Teamwork
Collaboration skills
Relationship building
Benefits
Annual leave:
14 - 20 Days of annual leave
3 days of sick leave with pay
Get 1 additional annual leave for each 5 full years of service
Benefits:
Competitive salary
Attractive Bonus
Guaranteed 13th month salary
Annual salary review
100% probation salary
Premium health insurance for employees
Annual health check
Other extras:
Vietnam company trip
Engagement and outdoor
Quarterly/Yearly Employee Recognition
Long service award: 5 years, 10 years, 15 years activities (birthday, football, charity etc.)