Isita Paul

Unix/Linux Administrator with 4 years of experience in managing enterprise Linux environments, incident management, server patching, user administration, and production support. Experienced in Linux system administration, SSH key management, shell scripting, AWS cloud services, and Python-based automation. Azure AZ-900 certified with strong troubleshooting skills and a commitment to maintaining secure, highly available infrastructure.

Infra Managed Service Analyst - Accenture - Kolkata

(2022-03 - 2026-03)

Client: Renault Nissan

• Administered and supported Linux servers in a production environment, ensuring high availability and operational stability.
• Installed, upgraded, and maintained software packages across 200+ Linux servers using YUM and DNF package managers.
• Performed monthly patching activities for over 150 Linux servers and AWS EC2 instances using AWS Systems Manager (SSM), ensuring security compliance while minimizing downtime.
• Executed IP migration activities for 200+ servers, updated DNS configurations, and validated network connectivity for seamless service continuity.
• Monitored CPU, memory, and disk utilization using Dynatrace, proactively identifying and resolving performance bottlenecks to improve infrastructure reliability.
• Managed Linux user accounts, groups, and SSH key authentication while maintaining secure access controls and compliance standards.
• Managed SSH access for Linux servers by creating, updating, and troubleshooting SSH key-based authentication for secure remote access.
• Configured and maintained SSH services, including managing authorized_keys, SSH permissions, and resolving authentication and connectivity issues.
• Utilized Python and Bash scripting to automate routine Linux administration tasks and improve operational efficiency.
• Supported incident, problem, and change management activities by troubleshooting Linux system issues and implementing effective resolutions within SLA targets.
• Collaborated with cross-functional infrastructure teams to ensure smooth deployment, maintenance, and operational support of enterprise systems.

Bachelor of Science - Mathematics - Victoria Institution for Women, Kolkata (2020)