Chirag Chauhan

IT System Administrator | HPC Cluster Manager | Network Security & Automation | Linux & Windows Infrastructure

Ahmedabad, Gujarat, India

About

Versatile IT professional and System Administrator with over 12 years of experience designing, implementing, and maintaining high-performance enterprise IT infrastructures. I specialize in network engineering, high-performance computing (HPC) environments, and robust server management across both Linux (Rocky Linux, Ubuntu, CentOS) and Windows Server ecosystems. My core focus is on automating administrative workflows using Bash and shell script, optimizing network security through advanced firewall management (Sophos), and ensuring 99.99% server uptime. I am highly experienced in Active Directory Group Policy management, resolving complex technical deadlocks, and managing high-capacity enterprise storage solutions. Known for seamless cross-functional collaboration and delivering technical solutions that secure highly sensitive data while driving operational efficiency.

Experience

  • Senior Executive - IT at Neuberg Diagnostics
    Oct 2023 - Present · 2 yrs 10 mos

    • Manage internal office servers, HPC clusters, and complex storage nodes, utilizing InfiniBand for low-latency networking. • Develop and implement Bash scripts to automate server health monitoring, ISP connectivity checks, and backup procedures. • Administer Windows Active Directory, including configuring complex Group Policy Objects (GPOs), troubleshooting registry deadlocks, and managing DNS/DHCP services. • Secure highly sensitive medical and operational data by configuring advanced firewalls, IPsec tunnels, and strict access controls. • Deploy and manage infrastructure tools utilizing Docker containers to improve IT asset tracking and management. • Develop comprehensive Standard Operating Procedures (SOPs) for specialized scanning workflows and automated client delivery systems.

  • System Engineer at Navneet Education Limited
    Jun 2023 - Sep 2023 · 4 mos

    • Coordinated cross-functional IT projects, successfully executing the technical migration of 150+ devices and users. • Provided high-level troubleshooting for laptops, desktops, and networking products by performing root-cause analysis. • Maintained continuous system performance monitoring, contributing to a 99.99% network and server uptime.

  • Sr. System Engineer at Virtual Guru Vidyapith Private Limited
    Jun 2022 - May 2023 · 1 yr

    • Configured and installed local servers, executed hardware and software upgrades, and maintained disaster recovery protocols. • Provided folder sharing permissions and strict access controls within local server groups for Active Directory users. • Ensured data integrity and cybersecurity by implementing endpoint protection and network security standards.

  • System Engineer at eSense Learning Pvt. Ltd ( Navneet Education LTD)
    Oct 2013 - Jun 2022 · 8 yrs 9 mos

    • Managed the end-to-end installation, administration, and maintenance of LAN networks and infrastructure. Provided dedicated network support and handled technical interactions with large corporate clients. • Optimized backup services, Windows Update Services (WSUS), and local server configurations.

  • Hardware Engineer at SFS Business Solution Pvt Ltd
    Jun 2012 - Sep 2013 · 1 yr 4 mos

    • Supported daily hardware operations, network troubleshooting, and base-level IT infrastructure maintenance.