Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic
Mallikarjuna Thimmapuram

Mallikarjuna Thimmapuram

Jeddah

Summary

Dynamic Senior System Engineer with over 18 years of experience optimizing and supporting Linux and Windows-based research environments. Expertise includes high-performance computing (HPC) systems, automation, and performance optimization, ensuring seamless operation and efficiency. Proficient in Spack-based software deployments, R ecosystem support, and CUDA/GPU troubleshooting, with a strong track record of executing infrastructure upgrades in production research settings. Committed to driving innovation and enhancing system performance to meet the evolving needs of research initiatives.

Overview

19
19
years of professional experience
1
1
Certification

Work History

High Performance Engineer

JAL International Co. Ltd- Client KAUST-CoreLABS
01.2024 - Current
  • Support research computing platforms and software stacks for statistics and computational research groups.
  • Develop and maintain Jenkins CI/CD pipelines for research GitHub repositories.
  • Implement automated build, test, and validation workflows for scientific software.
  • Support and troubleshoot research codes including MPCR , ExaGeoStatCPP , TLAR , ParallelBlockVecchia , and RCOMPSS .
  • Build and validate software using modern compilers, CMake, and Spack-based environments.
  • Collaborate closely with researchers to resolve build, performance, and dependency issues on Linux systems.
  • Perform daily operational checks, including system health, service availability, and resource utilization.
  • Monitor system and application health status, proactively identifying and resolving issues.
  • Manage restricted and role-based access for teams, ensuring least-privilege access control.
  • Plan, test, and apply operating system and software security patches in coordination with stakeholders to minimize downtime.

Senior System Administrator

Naizak Technologies Ltd- Client KAUST
04.2023 - 12.2023
  • Managed high-end workstations in mixed Linux and Windows environments for Professors, Research Scientist, Postdoc's and Students.
  • Utilized Ansible for cross-platform automation, ensuring consistency in system configurations and reducing manual workload.
  • Implemented Automox for centralized patch management, enhancing security and compliance across both Linux and Windows workstations.
  • Collaborated with hardware vendors to ensure compatibility and optimal performance of specialized GPUs and workstation components.
  • Conducted regular performance monitoring, identified bottlenecks, and implemented optimizations for enhanced workstation efficiency.
  • Installed, configured, and troubleshot graphics drivers, ensuring the seamless operation of high-performance GPUs.
  • Provided timely technical support, resolving hardware, software, and configuration issues for end-users across both platforms.
  • Implemented security measures to protect sensitive data on workstations, ensuring compliance with industry standards.
  • Developed and maintained documentation for system configurations, procedures, and issue resolutions.

Senior Administrator

Wipro Arabia Ltd- Client KAUST
09.2012 - 03.2023
  • Administered both Linux and Windows workstations, ensuring smooth operation and optimal performance.
  • Utilized Ansible for automation of repetitive tasks, leading to increased efficiency in system management across platforms.
  • Implemented and managed Automox for centralized patching and vulnerability management on both Linux and Windows systems.
  • Collaborated with cross-functional teams to deploy and support applications in mixed-platform environments.
  • Conducted training sessions for end-users to promote efficient use of Linux and Windows systems.
  • Experienced in Virtualization products like VMware & KVM.
  • Experienced in file system administration, resolving system errors, crashes, and file system errors.
  • Experience in managing various Network related tasks TCP/IP, DNS, DHCP & NFS.
  • Ability to handle multiple tasks and work independently as well as team member.
  • Troubleshooting and assisting to resolve technical issues for research users and Professors.
  • Follow-up, addressing and updating the assigned service tickets using SAP CRM.
  • Data Compressing, Backup and recovery using RSYNC & SCP command.
  • Troubleshooting issues through Remote Technology Such as TeamViewer and VNC.
  • Experience in Troubleshooting hardware, System Recovery, crash dump analysis.
  • Expertise in implementing Hardware & Software RAID using Linux & Windows.

System Administrator

Wipro Ltd
07.2007 - 08.2012
  • Installing and Configuration of Windows server 2003, Windows 2008 & R2
  • Troubleshooting & Administration in Active Directory, DNS, DHCP
  • Migration of OS (XP to Win 7) by using Microsoft System Center Configuration Manager
  • Installation & Configuration of Microsoft Deployment Tool Kit 2008 & 2010
  • Installation, Configuration and Administration of MDOP – Components (Application virtualization)
  • Installation & configuration of Management server using Application virtualization (Soft Grid)
  • Sequencing application through Sequencer in Application Virtualization
  • Pushing the client applications by Management Server in Application Virtualization
  • Troubleshooting published applications in client systems
  • Responsibilities include handling of O/S level supporting to Microsoft Windows

Education

Bachelor - Computer Science

SV University
Tirupathi, KADAPA
03-2006

Skills

  • Operating Systems: Linux (Ubuntu 2204/2404), Windows Server
  • Research Computing & HPC: Multi-server environments, user quotas, research workloads
  • Software & Toolchains: R (CRAN, R CMD check), CUDA, MPI, MKL, OpenBLAS
  • Build & Package Management: Spack, GCC toolchains, CMake
  • Automation & DevOps: Ansible, Jenkins (CI/CD pipelines), Automox
  • Virtualization: VMware
  • Storage & Filesystems: RAID (Hardware & Software), NFS, backups (rsync, scp)
  • Networking: TCP/IP, DNS, DHCP
  • Security & Compliance: Patch management, hardening

Certification

  • Red Hat Enterprise Linux 8 Essential Training Certification., Linkedin
  • Linux Security & Hardening Essential Training Certification., Linkedin
  • Python Essential Training Certification, Linkedin
  • Ansible Essential Training, Linkedin

Languages

English
Telugu
Hindi
Kannada

Timeline

High Performance Engineer

JAL International Co. Ltd- Client KAUST-CoreLABS
01.2024 - Current

Senior System Administrator

Naizak Technologies Ltd- Client KAUST
04.2023 - 12.2023

Senior Administrator

Wipro Arabia Ltd- Client KAUST
09.2012 - 03.2023

System Administrator

Wipro Ltd
07.2007 - 08.2012

Bachelor - Computer Science

SV University
Mallikarjuna Thimmapuram