TITAS MAJUMDER
Cloud & Linux Infrastructure Engineer
Kolkata
Summary
I am an Infrastructure Engineer with 7+ years of experience managing enterprise Red Hat Linux, VMware, and Nutanix virtualization environments. I currently provide L2/L3 infrastructure support across six business units at RPSG Ventures, handling high availability, disaster recovery, capacity planning, and infrastructure automation. I am currently completing my Microsoft Azure Administrator Associate (AZ-104) certification to extend my infrastructure expertise into cloud administration. Previously, I supported global enterprise customers at Red Hat India on RHEL and OpenShift environments and authored 30+ published Knowledge Base articles. I am looking for Cloud Infrastructure Engineer or Azure Administrator roles where I can apply my enterprise virtualization background to hybrid and cloud infrastructure operations.
Overview
1
1
Language
5
5
Certifications
7
7
years of professional experience
Work History
Senior Linux Infrastructure Engineer
RPSG Ventures Ltd.
09.2025 - Current
- Provided L2/L3 support for Linux server issues across six business units (GIS, Infra, Dev, QA, Generation, Distribution), leading end-to-end incident diagnosis, resolution, root cause analysis, and documentation.
- Provide L2/L3 support for Linux server issues across six business units (GIS, Infra, Dev, QA, Generation, Distribution), owning end-to-end incident diagnosis, resolution, root cause analysis, and documentation.
- Managed full patching lifecycle across Linux server fleet, coordinating scheduling, testing, and applying OS and security patches to ensure system integrity.
- Plan and design infrastructure capacity by coordinating with stakeholders, evaluating resource utilization, identifying bottlenecks, and rightsizing servers and virtual machines.
- Automate repetitive operational tasks using Bash scripting, reducing manual effort and error across routine maintenance workflows.
- Created and maintained technical documentation (SOPs, RCA reports, runbooks) and delivered internal training on Linux best practices to enhance team knowledge.
Linux & Container Platform Engineer
Red Hat India Pvt. Ltd.
04.2022 - 09.2025
- Administered and troubleshot Red Hat Enterprise Linux 7/8/9 environments for global enterprise customers, resolving OS-level issues related to storage, networking, time synchronization, and kernel behavior.
- Administered and troubleshot Red Hat Enterprise Linux 7/8/9 environments for global enterprise customers, resolving complex OS-level issues involving storage, networking, time synchronization, and kernel behavior.
- Performed production incident analysis using sosreport, strace, tcpdump packet captures, and coredump examination, resolving critical system failures under tight SLA windows.
- Remediated CVEs and security vulnerabilities across enterprise RHEL fleets, applying errata patches and enforcing hardening configurations to enhance security posture.
- Designed and published Rsyslog Configuration Helper (access.redhat.com/labs/rsyslogch/), a tool enabling global enterprise customers to streamline complex logging configuration.
- Authored 30+ Knowledge Base articles on the Red Hat Customer Portal (KCS2 Badge) covering RHEL, containers, networking, and storage.
Linux System Administrator
Tata Consultancy Services
05.2019 - 04.2022
- Administered RHEL server fleets, managing user/group access, configuring LVM, provisioning file systems and swap space, and monitoring disk/CPU/network performance to ensure optimal server operation.
- Managed VMware ESXi and vCenter environments, including VM provisioning, snapshot management, and resource allocation across virtualized infrastructure.
- Configured Ethernet bonding for network redundancy, NFS mounts for shared storage, and performed RPM/YUM patch management and server commissioning/decommissioning.
- Configured Ethernet bonding for network redundancy and NFS mounts for shared storage, while managing RPM/YUM patching and server commissioning/decommissioning to maintain system integrity.
Education
B.Tech. - Information Technology
MAKAUT
Kolkata01-2019
Skills
Microsoft Azure
Red Hat Enterprise Linux (7x, 8x, 9x)
VMware ESXi
Docker
Bash scripting
Kubernetes
Incident management
Root cause analysis
Capacity planning
Patch management
Change management
Technical documentation
Knowledge base authoring
Stakeholder coordination
Internal training
Certification
Microsoft Certified: Azure Administrator Associate (AZ-104) — In Progress, Expected Oct 2026
Timeline
Senior Linux Infrastructure Engineer
RPSG Ventures Ltd.
09.2025 - Current
Linux & Container Platform Engineer
Red Hat India Pvt. Ltd.
04.2022 - 09.2025
Linux System Administrator
Tata Consultancy Services
05.2019 - 04.2022
B.Tech. - Information Technology
MAKAUT