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Install, configure, and upgrade operating systems for both servers and client environments.
Perform operating system hardening and patch management to ensure security compliance.
Manage system storage, including allocation and capacity planning for future requirements.
Diagnose and resolve technical issues related to operating systems.
Develop a thorough understanding of application environments under responsibility.
Perform capacity planning to ensure optimal system performance and scalability.
Configure system parameters and design disk RAID structures for new applications.
Review and optimize system design, including storage, CPU, and memory utilization.
Tune operating system parameters based on requirements provided by application teams.
Monitor and optimize system performance to ensure high availability and efficiency.
Plan and implement backup and recovery strategies for operating systems.
Maintain accurate and up-to-date technical documentation.
Develop, implement, and manage disaster recovery (DR) plans for operating systems.
Install, configure, and support system tools and software such as BMC and TEM.
Provide 24x7 on-call support for operating system-related issues.
Review and enforce operating system security controls and policies
Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or related field.
3+ years of experience in Unix/Linux system administration and production support.
Strong knowledge of Unix/Linux operating systems (AIX, Red Hat Enterprise Linux,etc)
Experience in troubleshooting OS, server, network, storage, and application-related issues.
Experience with user account management, access control, and security hardening.
Experience with backup and recovery procedures, disaster recovery, and high-availability environments.
Knowledge of virtualization technologies such as VMware, Hyper-V, KVM, or similar platforms.
Experience supporting enterprise environments and mission-critical systems with 24x7 operations.
Willingness to provide after-hours support and participate in on-call rotations when required.
Strong analytical, troubleshooting, and problem-solving skills.
Ability to work independently and collaboratively within cross-functional teams.
Good communication skills in both Thai and English.
Job ID: 151931553
Skills:
Aix, VMware, Unix, Kvm, Linux, Bmc, Red Hat Enterprise Linux, Hyper-V, TEM