Appealing Points:


Opportunity to work ike deep-dive performance tuning (sysctl, tuna, /proc) to optimize RHEL for real-time (RT) workloads.
Hands-on role using Kubernetes, Linux (RHEL 8/9, Rocky Linux), Docker, Helm, Git
Collaborative bilingual environment that supports technical growth while strengthening leadership and cross-functional communication skills


Annual salary : 10 Million yen and Above.

Job Responsibilities:


Kernel-Level Optimization: Conduct deep-dive performance tuning (sysctl, tuna, /proc) to optimize RHEL for real-time (RT) workloads.
RAN Workload Tuning: Configure and tune vCU/vDU components, implementing CPU isolation (isolcpus), IRQ affinity, and NUMA alignment to achieve deterministic performance.
Network Acceleration: Optimize packet processing using DPDK and SR-IOV to bypass kernel bottlenecks for high-throughput RAN traffic.
Advanced Troubleshooting: ...