Suman Kumar Bag
Kolkata
Summary
Results-driven Cloud Architect and DevOps Expert with over 9 years of experience in system administration, AWS cloud infrastructure management, and DevOps practices. Expert in designing and implementing secure and scalable cloud solutions using EC2, S3, and RDS to optimize performance and minimize downtime. Proven track record of automating complex processes and managing resilient architectures across Development, UAT, and Live environments to meet business objectives.
Overview
11
11
years of professional experience
1
1
Certification
Work History
System Administrator
Hanriver Technologies Pvt. Ltd.
07.2021 - Current
- Provides server-side backend support and priority troubleshooting for assigned projects.
- Manages comprehensive AWS resource management and hosting in the cloud environment.
- Leads the implementation of CI/CD workflows using tools like GitHub, GitLab, Jenkins, Docker, and Kubernetes.
System Administrator
Flowerhorn IT Solutions Pvt. Ltd.
11.2018 - 07.2021
- Configured servers with OS and necessary services, focusing on DNS management.
- Specialized in PMTA configuration and IPv4 readiness for high-performance projects.
- Resolved client tickets via helpdesk and monitored domains for spam blacklisting.
System Administrator
SMTPPROVIDER Pvt. Ltd
10.2016 - 10.2018
- Maintained system configuration and performance for Postfix and Apache servers on RHEL/CentOS.
- Troubleshot mail server errors and executed planned changes to improve stability.
Linux System Administration
Blueberry Web-Solution Pvt. Ltd
12.2014 - 09.2016
- Served as a technical assistant for system performance and maintenance of Apache servers.
Education
B.Com (Honours) - Marketing Management
Vidyasagar University
Midnapore, WB, IndiaSkills
- Cloud Architecture
- DevOps
- CI/CD
- Systems Administration
- Infrastructure Management
- Networking
- Security
- AWS resource management
- Server administration
- System troubleshooting
Certification
- RED HAT Certified Engineer (RHCE), 130-149-628
- RED HAT Certified System Administrator (RHCSA), 130-149-628
Languages
- Hindi
- Bengali
- English
- Hindi
- Bengali
Project Highlights
- Enterprise Kubernetes & CI/CD Orchestration, Designed and managed a high-availability infrastructure for Development, UAT, and Live environments., Architected and deployed end-to-end CI/CD pipelines using Jenkins and GitLab, containerizing applications with Docker and Kubernetes to ensure seamless delivery., Managed hosting and deployment for modern front-end and back-end frameworks, including Node-JS, Vue-JS, and React.
- Scalable AWS Cloud Infrastructure, Built and optimized secure, scalable solutions using AWS EC2, S3, and RDS to achieve maximum uptime., Executed complex resource management strategies to build cost-effective architectures tailored to business goals., Implemented robust DNS management and technical support to maintain network security and connectivity.
- High-Performance Email & Web Hosting Migration, Configured and optimized Postfix and Apache web servers on RHEL 6 and CentOS 7 environments., Developed a specialized high-volume mail delivery system by configuring servers with PMTA and managing IPv4 assets., Maintained domain integrity by monitoring IP and domain health against spam blacklists.
Languages
English
Advanced
C1
Timeline
System Administrator
Hanriver Technologies Pvt. Ltd.
07.2021 - Current
System Administrator
Flowerhorn IT Solutions Pvt. Ltd.
11.2018 - 07.2021
System Administrator
SMTPPROVIDER Pvt. Ltd
10.2016 - 10.2018
Linux System Administration
Blueberry Web-Solution Pvt. Ltd
12.2014 - 09.2016
B.Com (Honours) - Marketing Management
Vidyasagar University