System Administrator

2 weeks ago


Singapore OPENSOURCE PTE. LTD. Full time

**Job Title**:HPC & Linux System Administrator
**Location**:Singapore
**Experience**:10+ Years

**Professional Summary**:
A highly experienced and driven HPC & Linux System Administrator with over a decade of expertise in managing hybrid HPC infrastructures and enterprise Linux environments. Skilled in integrating, operating, and optimizing high-performance computing systems, with strong exposure to parallel filesystem, cloud environments and large-scale system administration.

**Key Responsibilities**:

- Manage and support HPC clusters (1000+ compute nodes) and HPC infrastructures including parallel filesystems GPFS and Lustre.
- Enhance availability and performance of supercomputers and related systems.
- Perform patching, compiling, securing, and troubleshooting of Linux servers.
- Strong understanding and hands-on in managing complex Iptables configuration
- Oversee system changes during cluster lifecycle and perform all major maintenance tasks.
- Support users with parallel workload execution on distributed computing platforms.
- Conduct monthly user training sessions.
- Maintain and optimize research IT infrastructure.
- Configure HPC clusters including schedulers, compilers, and file systems.
- Conduct network penetration testing and manage security test environments.
- Experience in handing Nvidia DGX SuperPod a great plus.

**Technical Skills**:

- **Operating Systems**:RedHat, CentOS
- **Cluster & HPC Tools**:RedHat PCS Cluster, PBS Scheduler, HPE HPCM cluster manager, dHCI, Check MK
- **Scripting**:Bash, Python, Sed, Awk
- **File Systems & Storage**:GPFS, Lustre, GlusterFS, iSCSI, NFS, EXT, XFS, SAN, LVM
- **Compilers**:GNU, Intel, CUDA
- **Tools & Platforms**:OpenSearch, Puppet, Splunk, BigFix
- **Cloud**:AWS (Certified Solutions Architect - Associate) a plus
- **Networking**:Slingshot, Infiniband, ethernet, TCP/IP stack and routing, Fiber Optics, Network Security Testing



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