Technical Skills¶
My technical skill across various areas of Linux system administration, high-performance computing (HPC), software tools, and data management within enterprise environments.
Operating Systems¶
- Red Hat Enterprise Linux (RHEL) 9.x
- CentOS
- Linux system administration in multi-node environments
- OS installation and configuration
HPC Cluster Management & Scheduling¶
- NVIDIA Bright Cluster Manager
- PBS Pro
- Slurm (basic operational exposure)
Activities include:
- Cluster provisioning
- Node lifecycle management
- Scheduler integration
- Job monitoring
- Production troubleshooting
Networking & Interconnects¶
- InfiniBand (QM9700 / QM9790 – 400 Gb/s)
- Dell S3100 Ethernet switches (1G / 10G)
- InfiniBand fabric monitoring and issue resolution
- Network validation for HPC performance workloads
Monitoring & Management Tools¶
- NVIDIA Bright Cluster Manager
- Dell OpenManage Enterprise (OME)
- InfiniBand UFM
Used for:
- System health monitoring
- Proactive fault detection
- Hardware alerts
- Operational reliability
Benchmarking & Performance Validation¶
- HPL
- LINPACK
- HPCC
Experience includes:
- Performance validation
- Baseline comparison
- Throughput verification
- Deployment and production testing
Package & Configuration Management¶
- YUM
- DNF
- RPM
- Repository configuration
- Dependency resolution in HPC environments
Hardware & Datacenter Operations¶
- Dell PowerEdge servers: R6625, R7625, XE8640, T550
- BIOS, firmware, and driver upgrades
- Hardware diagnostics and fault handling
- Server integration and validation
Operations & Support¶
- 24×7 L2 production support
- Incident diagnosis and root-cause analysis
- Change implementation and validation
- Operational documentation and handover support