Narayanan Kutty Gayathri

Provided expert L3 Linux administration support, ensuring•
the successful completion of complex projects across the
entire lifecycle.
Diagnosed and resolved critical system issues, interacting
directly with users to provide efficient troubleshooting
and support.
Built and managed Kubernetes clusters for running
containerized applications, enhancing scalability and
reliability.
Developed automation scripts using Ansible and Shell
scripting to streamline daily tasks and improve
operational efficiency.
Optimized and tuned Linux environments, collaborating
with development teams to improve application
performance.
Managed Cloud workloads and services running on AWS
platform
Analyzed and troubleshot large-scale enterprise server
issues, ensuring business continuity for mission-critical
applications.
Maintained high availability of critical infrastructure
through SLA based issue resolution for escalated L3 issues
over bridge calls.
Worked with cross-functional teams to enhance system
stability and security, ensuring compliance with best
practices and industry standards.

Linux System Administration – Managed and secured
RHEL and other Linux-based systems, ensuring optimal
performance and compliance.
•
Automation & Configuration Management – Utilized
Ansible and shell scripting to automate system
configurations, deployments, and patch management.
•
Endpoint & Patch Management – Implemented and
Administered Automox for system updates and security
patching across endpoints.
•
IT Asset Management – Designed, implemented and
administered GLPI for tracking IT assets, inventory, and
lifecycle management.
•
Data Indexing & Search – Implemented Diskover running
on containers and docker for efficient file search,
indexing, and storage analysis with elasticsearch and
kibana in the backend.
•
Datacenter Infra & Hardware Management – Configure
and manage Hardware solutions, including enterprise
Dell Power Edge hardware and True NAS in the local data
center.
•
Log Management & Monitoring – Deploy and manage
ELK (Elasticsearch, Logstash, Kibana) for log analysis,
monitoring
•
GitLab Administration – Manage CD pipelines, version
control, and DevOps practices using GitLab.
•
Security Hardening – Implemented CIS hardening,
vulnerability management using Tenable, and endpoint
protection with CrowdStrike.

• Provided Linux server support, troubleshooting various
  customer issues to ensure optimal system performance.
  •
  Managed workloads on the AWS platform, optimizing
  cloud-based infrastructure for scalability and reliability.
  •
  Contributed to the adoption of a DevOps culture,
  fostering cross-functional collaboration and enhancing
  operational agility.
  •
  Expertise in file system management and diagnosing
  complex OS-related issues.
  Deployed and administered Kubernetes (K8s) clusters•
  •
  Automated system installation and administration tasks
  using Ansible, enhancing efficiency and reducing
  manual effort.
  •
  Maintained version control systems like Git and SVN,
  ensuring seamless collaboration between developers
  and engineers.
  •
  Performed software modifications, upgrades, and
  optimizations to enhance system performance.
  •
  Strengthened system security by identifying and
  mitigating vulnerabilities, ensuring compliance with
  industry standards.

• Linux OS Installation & Configuration (RHEL, CentOS,
  Fedora, Ubuntu, Debian)
  Server Build & Management (VMs & Physical Servers)•
  OS Upgrades & Patching (YUM, RPM, APT)•
  System Recovery & Root Cause Analysis (Crash Diagnostics, RCA)
  Performance Debugging & Optimization (CPU, Memory,
  Disk I/O Tuning)
  Package & Software Management (YUM, RPM, APT)•
  Disk & Filesystem Management (LVM, Partitioning,
  Monitoring)
  Server Hardening & Security (CIS Compliance, Firewalls,
  SELinux, Vulnerability Management)
  Networking & Troubleshooting (Interfaces, DNS, DHCP,
  Routing, Packet Analysis)
  System Monitoring & Log Analysis (ELK, Nagios, syslog,
  journalctl)
  Automation & Scripting (Shell Scripts, Ansible)•
  System Reliability & Proactive Maintenance (Log Analysis,
  Troubleshooting, Uptime Assurance)