Sherin Shamsu

IT Infrastructure Specialist & DevOps Engineer

Seasoned IT professional with over 16 years of experience in Linux/Windows server administration, DevOps, and customer support. Specialized in Docker, Kubernetes, CI/CD pipelines, and delivering exceptional technical solutions while maintaining 99.9% uptime.

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Technical Skills

🖥️ System Administration

Linux (RHEL, CentOS, Ubuntu) 95%
Windows Server 85%
Virtualization (KVM, Docker) 90%

☁️ DevOps & Cloud

Kubernetes 88%
Ansible & Terraform 85%
AWS (EC2, S3, VPC) 82%

🌐 Web & Database

Apache, Nginx, LiteSpeed 92%
MySQL, MariaDB, PostgreSQL 88%
cPanel, Plesk, WHMCS 95%

⚙️ Automation & Scripting

Bash Scripting 90%
Python 78%
CI/CD Pipelines 85%

Work Experience

May 2023 – July 2025

Infra Technology Specialist / DevOps Engineer

Cognizant – Bangalore, India

  • Delivered Level 2 technical support for Apple and Quest Diagnostics, resolving escalated Linux server issues
  • Managed Kubernetes clusters and automated server patching with Ansible, reducing manual intervention by 30%
  • Achieved 95% SLA compliance as primary escalation point
  • Deployed monitoring solutions (Grafana, Prometheus), increasing proactive issue detection by 40%
Apr 2018 – Apr 2023

Server Migration Specialist / Technical Support Engineer

A2 Hosting – Remote (US)

  • Provided direct customer support, troubleshooting hosting, DNS, SSL, and server-related issues
  • Managed large-scale hosting environments with cPanel and Plesk for thousands of clients
  • Led 50+ website and server migration projects with zero downtime
  • Developed automated migration scripts, reducing manual work by 25%
Jun 2017 – Apr 2018

Technical Operations Manager

SkyNetHosting – Remote (US)

  • Delivered advanced Linux/Windows server and VPS support for global customers
  • Managed AWS cloud infrastructure, designing high-availability, secure environments
  • Supervised technical support team, improving ticket resolution time by 20%
2015 – 2017

Senior Server Administrator

DotSlash Technologies & Diya Systems

  • Managed enterprise Linux/Windows server infrastructure
  • Implemented security protocols and performance optimization
  • Provided L2/L3 technical support for critical systems
2008 – 2015

Linux System Administrator

Arvixe, Hashroot & Clearlogix Technologies

  • Administered Linux servers, web hosting platforms, and databases
  • Performed system maintenance, monitoring, and troubleshooting
  • Implemented backup solutions and disaster recovery plans

Education

🎓

Master of Computer Applications

Bharathiar University

2011

🎓

Bachelor of Engineering

Computer Science

2006

Certifications

🔴

Red Hat Certified Engineer (RHCE 5.0)

🌐

Cisco Certified Network Associate (CCNA)

⚙️

cPanel & WHM Administrator