Rahul Ranjan Sinha

DevOps Engineer

Bengaluru, Karnataka, India7 yrs 7 mos experience

Highly Stable

Key Highlights

Expert in High Performance Computing and scheduler management.
Proficient in CI/CD implementation and infrastructure management.
Strong background in full stack web development and Linux administration.

Stackforce AI infers this person is a High Performance Computing and Infrastructure Specialist with strong DevOps capabilities.

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Skills

Core Skills

Ci/cdInfrastructure ManagementHigh Performance ComputingHpc Scheduler Management

Other Skills

Agile MethodologiesAnsibleBashBootstrapCI/CD ImplementationCascading Style Sheets (CSS)CentOSCustomer ServiceCustomer SupportDockerEasyBuildFlexLMGitGithub ActionsHPC Applications

About

• Proficient in Python and bash scripting. • Experience with building and tuning HPC Applications. • Experience with managing HPC Schedulers - LSF and Slurm. • Strong hold on Linux fundamentals like filesystem, process handling, networking, application deployment, security, configurations etc. especially in RedHat. • Experience in setting up dockerized containers with high availability using docker compose and docker swarms. • Comprehensive understanding of HPC software stacks. • Worked on tools like EasyBuild, Jenkins, git, svn, Ansible. • Expertise in Linux (Red Hat, CentOS, Ubuntu) Server Configuration and System Administration. • Experience in full stack web development. • Front End - JavaScript, JQuery, Bootstrap, HTML and CSS. Back End - PHP, SQL. • Experience in Rest APIs. • Profound knowledge on Lustre.

Experience

Nvidia

Senior IT Engineer

Jun 2024 – Present · 1 yr 9 mos · Bengaluru, Karnataka, India · Hybrid

Sifive

Senior Engineer I

Sep 2022 – May 2024 · 1 yr 8 mos · Bengaluru, Karnataka, India · Hybrid

Senior Engineer in Sifive's Platform Execution team. Managing the infrastructure and implementing CICD flow for teams across Sifive.
Collaborated with DevOps team and worked on Issues/Tasks on Jira.
Assisted users in India time zone with their CI/CD issues and implementations.
Supported team with Slurm maintenance and upgrades.
Worked on migrating SCD's(Team) Github Action to Jenkins for utilizing on-prem servers instead of Github runners.
Automated Nginx reverse proxy deployment for Jenkins instances which runs in podman and fetches SSL from Hashiocorp.

Infrastructure ManagementCI/CD ImplementationJiraSlurm MaintenanceGithub ActionsJenkins+2

Shell

HPC Systems Engineer

Jul 2018 – Sep 2022 · 4 yrs 2 mos · Bangalore Urban, Karnataka, India · On-site

Systems Engineer in Shell's HPC Engineering team. Providing support to HPC customers by deploying and fixing issues related to scientific applications and managing HPC schedulers (Slurm, LSF) which are widely used under upstream and P&T business of Shell.
Worked on troubleshooting and support starting from scratch( Build, Test, and Deploy) for HPC applications like ANSYS Workbench, OpenFOAM, StarCCM, HEEDS, LAMMPS, Cuda aware OpenMPI, toolchains etc.
Managed modules and Enterprise Licenses using flexLM.
Managed different DTAP environment using build automation tool - EasyBuild.
LSF/Slurm regular maintenance activities - users, partition/queue,node management.
Worked on migrating users from LSF to Slurm.
Created reports for end-users as per requests using PowerBI and Tableau.
Set up several docker containers with docker swarm and docker compose.