Senior Principal Engineer

3 weeks ago

Bengaluru, Karnataka, India Altiostar, A Rakuten Symphony Company Full time

About Us:

Our unique 4G/5G vRAN solution is designed to improve quality of experience, enhance spectral efficiency, provide flexibility to the operator in hardware selection, provide full network automation and significantly reduce Total Cost of Ownership (TCO). Our product is designed with leading edge hardware & software technologies. We have a team of passionate professionals who understand mobile network operator's requirements & vision. Our objective is to provide mobile network operators with the equipment required to deploy and expand their 4G/5G networks quickly and efficiently in the most feature rich and cost-effective way

As subject matter expert, expected to carry out following on day-to-day basis:

About the Role

Expected to have expert level knowledge and experience in (but not limited to) kernel scheduling, real time kernel parameters and their tunings for a typical cloud native real time applications.

Responsibilities

  • Carry out debugging with Linux kernel modules, device drivers and general Linux OS related issues.
  • Expected hands on experience with tools like gdb, perf, strace, turbostat, dstat, tuna, tuned daemons etc.
  • Carry out Real time performance optimization and measurements using like cyclictest, oslat, hwlat etc on a RT linux.
  • Analysis of sos report, and other system, rsyslog in RT Linux to debug scheduling, memory related issues.
  • Working knowledge on Cloud technologies e.g. Kubernetes, docker, Helm charts, Container, pod specs etc.
  • Working knowledge on Cloud Orchestration technologies for deployment, healing, resiliency etc.

Qualifications

  • Bachelor's/Master's degree in engineering.
  • 8-20 years of experience in RT Linux Debugging and Development.
  • Knowledge of RT parameters, tuning and performance evaluation is a must.

Required Skills

  • Expert level knowledge in kernel scheduling.
  • Experience with real time kernel parameters and their tunings.
  • Hands on experience with debugging tools.

Preferred Skills

  • Familiarity with cloud technologies.
  • Experience with cloud orchestration technologies.

Rakuten Shugi Principles

Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.

  • Always improve, always advance. Only be satisfied with complete success - Kaizen.
  • Be passionately professional. Take an uncompromising approach to your work and be determined to be the best.
  • Hypothesize - Practice - Validate - Shikumika. Use the Rakuten Cycle to success in unknown territory.
  • Maximize Customer Satisfaction. The greatest satisfaction for workers in a service industry is to see their customers smile.
  • Speed Speed Speed Always be conscious of time. Take charge, set clear goals, and engage your team.

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