About Me

Krishnendu Paul

Krishnendu Paul

Open Source Solution Architect | Search Engine Marketing Consultant

Location
Kolkata Area, India
Industry
Information Technology and Services

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Summary

Result-Oriented Team Leader and Open Source based Solution Architect with more than 8 years of experience impacting organizational performance through managing, expert level configuration, optimization, enhancement and administration of complex technical platforms.

Creative professional focused on innovation, development ideas, implementation and advancement of LAN/WAN, Security and server infrastructures with dedicated experience in Information Security and has expertise with penetration testing, vulnerability assessments and recommendations, network architecture.

Specialties

Demonstrated success record in:

• Branding, managing and planning product lines.
• Server/Web Application Security Testing ( OSWAP ) and prevention concepts.
• Managing team for developing new concept security product.
• Motivating team to peak performance levels.
• Implementation and Life-cycle Management planning of Custom or New developed software.

Experience

Lead Consultant

ITC Infotech

Privately Held; 1001-5000 employees; Information Technology and Services industry

April 2012 – Present (2 months) Bengaluru Area, India

Sr. Open Source Solution Architect / Chief Research and Development

Conversys Technologies Private Limited

Privately Held; 11-50 employees; Information Technology and Services industry

August 2009 – April 2012 (2 years 9 months) Kolkata Area, India

We maintained local client’s servers, as Solution Partner of Redhat Inc. Also a part of product development, I lead a team of developers & administrators to create a new mail server frontend named Impala Mail & Messaging suit. Successfully completed the product and deployed at many client’s premises as SaaS solution. Also, Conversys focus in LAMP related technologies and, Remote Linux Server support for US/UK Web Hosting Server Datacenter clients. Also, presently we are working on a product on Social Media API, Data Mining and running developed tools to give output to the developers so they can rectify and tune the application.

• Branding, managing and planning product lines.
• Server/Web Application Security Testing and prevention concepts.
• Managing startup team for developing new concept products.
• UI/UX understanding and testing using usability ( heatmap ).
• Motivating team to peak performance levels.
• Assist clients in the event of server maintenance and monitoring.
• Web Server Hardening and Audit using customized tools.
• Testing security in virtually created real time environment using netem and other tools.
• Decoding and Testing worms, web server infection and the prevention techniques.
• Apache tuning and scaling.
• Suggesting and providing solution to the external customers related to GNU/Linux OS and hosted application on it.

Open Source Consultant / L3 cPanel Server Admin

CompuManiac

November 2006 – June 2009 (2 years 8 months) Howrah, India

We had been given the onus to carry out / migrate and enhance the existing infrastructure of clients using open source technology. I did maintained and enhanced servers according the internal and as well as external clients requirements. I have had built quite a few servers from the scratch. The job involves giving consultancy to my clients to right open source technology to choose for the required projects. And of course, day to day system administration along with my employees. We have deployed many utilities into server, just to demonstrate them how best they can utilize Open Source in the server and their projects. Our organization main focus in LAMP related technologies and, Remote Linux Server support for US/UK Datacenter clients on following areas,

• Administration, with emphasis on a server environment
• MYSQL administration, troubleshooting.
• Network services: NFS, SAMBA, NIS, HTTP(Apache),DNS, Postfix
• Apache administration and optimization
• SMTP, POP3, IMAP (MAIL SERVER), OpenXchange administration
• Proxy and Caching Web Server with Squid, Varnish, Nginx.
• PureFTP/vsFTP and general FTP administration
• Bind and general DNS administration
• RPM package Management, Maintenance
• Control Panel / Web Hosting Automation Software like Cpanel, Plesk, DirectAdmin
• Customized Control Panel Management.
• Providing Infrastructure support to German and U.S based servers.
• Redhat Virtualization.
• NFS Administration with emphasis on NFS security.
• Configuring and Administration of SAMBA server.
• Apache Web Server Configuration, Administration of Apache Modules. Configure PHP as Apache CGI module.
• Server Monitoring via Nagios.
• Kernel Patching and Updating. DNS Server Administration.
• Web Server Hardening and Audit using customized tools.

cPanel Server Expert ( L3 ) / SEM Consultant

U.S. Based Web Hosting Companies

November 2005 – June 2006 (8 months) Kolkata Area, India

Network Security Consultant

Forte

February 2003 – October 2005 (2 years 9 months) Kolkata

• Testing new vulnerabilities for Linux/Windows and implementing patch/ mechanism to prevent.
• Solution for complex network using open source tools.
• Testing different viruses working principle and payload.
• Testing Security devices in virtually created real time environment using netem.
• Consultancy for preventing virus attack inside the network and prevention mechanism.
• Penetration testing of remote server and php application.
• Providing Technical support in Linux environment.
• Firewalls, especially Linux iptables
• Network services: NFS, SAMBA, HTTP, DNS
• Installation and Administration Server Monitoring tool Nagios.
• Apache 2(with emphasis on mod-security, mod-php, mod-perl, mod-rewrite) administration and configuration
• MySQL Installation, administration, Replication, backing up and optimization of Databases
• Mail Server Administration (SMTP, POP3, IMAP)Sendmail. Troubleshooting of mail issue through mail log analysis and through other tools.
• PureFTPD and general FTP administration.
• Assist Data Center in the event of server maintenance and monitoring.
• RPM package and patch Management.
• CPU/Memory Resource Management and Resolves, Log File Analysis and Security Management
• Quota Management: Assigning quota to users and groups
• Backup and Restore using tar, cpio, gz, dump, rsync.
• Advance User and Group Administration.
• Monitoring services by Nagios, Cacti.
• Kernel Patching
• File system management – ext3 – filesystem utilities (mke2fs, e2fsck, dumpe2fs, tune2fs)
• Package management – RPM – building rpm packages
• RedHat Linux Startup process management using /etc/init.d service scripts – runlevels chkconfig,

Skills & Expertise

  1. Linux
  2. Drupal
  3. Joomla
  4. Open Source Software
  5. Apache
  6. Internet Security
  7. Server Administration
  8. Web Servers
  9. Web Development
  10. Online User Experience
  11. Social Media Marketing
  12. SEM
  13. Google Adwords
  14. Social Media Monitoring
  15. MySQL
  16. Software Consulting
  17. SEO
  18. Server Architecture
  19. Web Analytics
  20. OTRS
  21. Wordpress
  22. E-commerce
  23. Virtualization
  24. Customer Relations
  25. Online Marketing
  26. System Administration
  27. Open Source
  28. Security

Education

Utkal University

B. Com, Commerce

2007 – 2009

M.S. Ramaiah Polytechnic

Certificate, Computer Science and Technology

1999 – 2003

Additional Information

Websites:

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