Summary
Overview
Work History
Education
Skills
My Technical contribution
Certification
Accomplishments
Websites
Timeline
Interests
Hi, I’m

Harijith Rajasen

FN - 24, Friendship Nagar, South Janatha Road, Ernakulam
Harijith Rajasen

Summary

A skilled System Administrator with over a decade of experience in Information Technology is recognized for exceptional problem-solving skills utilized to identify issues and implement automation and administrative tools to enhance performance. The goal is to join a forward-thinking company where expertise can be leveraged to optimize server efficiency and minimize downtime.

Overview

14
years of professional experience
1
Certification
3
Languages

Work History

EQS Web Technologies Pvt. Ltd.
Kochi

Sr. System Engineer (Technical Lead)
03.2019 - Current

Job overview

  • Optimized system security and performance with proactive changes.
  • Created and maintained IaC code using Terraform.
  • Automated tasks and deployments using Ansible which increased deployment time by 75%.
  • Improved project efficiency by streamlining engineering processes and implementing innovative solutions.
  • Led cross-functional team for successful completion of multiple large-scale projects, ensuring timely delivery within budget constraints.
  • Configured, tested and maintained on-prem network equipment, firewall and servers. (HPE, Palo Alto, Juniper)
  • Evaluated latest technology innovations and adopted cost-effective, useful solutions.
  • Saved subscription cost by implementing cost-saving initiatives.
  • Management and setup Atlassian tools like Jira, Confluence, Jira Help desk etc.
  • Maintained flexible schedule and responded to after-hours and weekend emergencies.

VIPoint Solutions Pvt Ltd
Kochi

System Admin Manager
08.2013 - 03.2019

Job overview

  • Provided continued maintenance and development of bug fixes and patch sets for existing web applications.
  • Diagnosed and troubleshooted UNIX and Windows processing problems and applied solutions to increase company efficiency.
  • Implemented company policies, technical procedures and standards for preserving integrity and security of data, reports and access.
  • Consistently met deadlines and requirements for all production work orders.
  • Responsibility includes scripting, server health checks, periodic backups(r1soft, cdp etc) and monitoring.
  • Involve in server migration, installation, Raid/LVM implementation, allocation, customization troubleshooting, auditing etc.

Netrix Worldwide
Kochi

Senior System Admin
01.2010 - 08.2012

Job overview

  • Set up web, DNS, mail, FTP, proxy, firewall, SVN, file servers.
  • Administering production and development servers remotely.
  • Responsible for managing,securing Linux and windows systems running various control panels.
  • Manage VPN's and control panels like cPanel, Plesk, DirectAdmin, Kloxo, SolusVM etc.
  • Perform day-to- day backups and monitoring servers.
  • Manage regular backup, and provided data restore in event of application or any other data loss.
  • Provide 24/7 on call availability by means of IRC, Ticketing system.

Education

Mahatma Gandhi University (M.G.U)
Meghalaya

Bachelor's in Computer Application from Computer Science
2016

University Overview

College Of Engineering, Adoor
Adoor, Kerala, India

B.Tech from Computer Science And Engineering
2009

University Overview

Kendriya Vidyalaya
Ernakulam, Kerala, India

Associate of Science from Computer And Mathematics
2005

University Overview

Skills

  • Unix System Administration knowledge to build, configure and maintain systems
  • Terraform to maintain IaC
  • Automating process workflows with Ansible
  • Virtualization - VMware, Xen, KVM, OpenVZ
  • Elastic Stack - Configuring and managing Logstash, Elasticsearch, Kibana and beats system (metricbeat, auditbeat, filebeat, heartbeat)
  • Active Directory
  • Atlassian tools - Jira, Confluence, Jira Help Desk
  • Web servers Apache, Nginx
  • Database servers (MySQL), DNS Servers, Mail Servers, FTP Servers
  • Linux file system management
  • Remote access tools like KVM / VNC / IPMI
  • Knowledge of TCP/IP networking and troubleshooting
  • NFS and SAMBA administration
  • Solid Linux administration and troubleshooting skills
  • Virtualization and manage virtual machines
  • Infrastructure planning
  • Monitoring System - Zabbix, New Relic, PRTG, CheckMK, Nagios, Icinga 2
  • Linux web-server /database server/ DNS server
  • Source Code Management (Version Control System) tools - Git and Subversion
  • Operating Systems- RHEL, CentOS, Ubuntu, Fedora, Windows
  • RAID (Software RAID and Hardware RAID)
  • Iptables, TCP wrappers
  • Knowledge of Linux kernel and kernel modules
  • Linux networking, DHCP, DNS

My Technical contribution

My Technical contribution
  • Phone-Number-Details: This is an application which provides basic information of a mobile phone number or a land line number in India. This returns information like which sim it is using its location etc.
  • Flask-App-Ansible: This is an Ansible playbook to deploy a sample Flask application on an Amazon Linux EC2 AMI 2 using Gunicorn, a Python Web Server Gateway Interface HTTP server.
  • Ansible_WordPress_Deployment: This is an Ansible playbook to deploy WordPress application on AWS instances.

More scripts at GitHub: https://github.com/Harijith-R

Certification

  • AWS Certified Solutions Architect - Associate, Validation Number 15VS11W1BEQQ1SC6, Validate at: http://aws.amazon.com/verification
  • Certified Ethical Hacker (CEH) - ECC3708269154 (Can be verified on https://aspen.eccouncil.org/verify)
  • Red Hat Certified Engineer (RHCE) in RHEL5 Certificate Number : 805010572346415 (Verify this certificate number at https://www.redhat.com/training/certification/verify)
  • cPanel & WHM certified Technician: Verification url : (https://university.cpanel.net/c-summary.php?code=zrwh-925557)

Accomplishments

Accomplishments
  • Was elected as the Sports Club Secretary of our College.
  • Won 1st prize in the event Ad War at Phoenix 06, an inter-college national level technical symposium.
  • Winner of the inter-college Cochin University Table tennis championship.
  • Won Gold Merit in 4th ALL INDIA NATIONAL CYBER OLYMPIARD (School Rank-2, City Rank-2, State Rank-6, All India Rank-107) which is an all India inter-school examination.
  • Won the Gold Medal at Kendriya Vidyalaya Sangathan Chennai Region Sports meet for table tennis and was selected to represent our school for Nationals.
  • Was the captain of college football team which was runners up at Campion 08 inter-engineering college football tournament.

Websites

Timeline

Sr. System Engineer (Technical Lead)
EQS Web Technologies Pvt. Ltd.
03.2019 - Current
System Admin Manager
VIPoint Solutions Pvt Ltd
08.2013 - 03.2019
Senior System Admin
Netrix Worldwide
01.2010 - 08.2012
Mahatma Gandhi University (M.G.U)
Bachelor's in Computer Application from Computer Science
College Of Engineering, Adoor
B.Tech from Computer Science And Engineering
Kendriya Vidyalaya
Associate of Science from Computer And Mathematics

Interests

Sports

Travel

Gaming

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