Summary
Overview
Work History
Education
Skills
Certification
Expertise Roles
Timeline
Generic

Prabhat Kumar

Mumbai

Summary

Certified Linux and Oracle Cloud (OCI) System Administrator with 4+ years of hands-on experience in deploying, managing, and automating cloud infrastructure on Oracle Cloud and Linux (RHEL, Oracle Linux). Proficient in OCI CLI, Ansible, system hardening, patching, and implementing secure, scalable, multi-tier architectures. Adept at aligning infrastructure operations with enterprise security and compliance goals.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Technical Specialist

Translab.io
Mumbai
03.2024 - Current
  • Executed deployment, configuration, and maintenance of PCA X9 and X10, including compute nodes and network switches.
  • Deployed and maintained a multi-tier VCN architecture with NSGs, NAT, and DRG integration.
  • Developed automation scripts using OCI CLI to efficiently manage cloud infrastructure resources.
  • Reduced manual provisioning time by 70% through end-to-end OCI CLI-based deployment workflows.
  • Administered Oracle Private Cloud Appliance (PCA) infrastructure for enterprise-grade private cloud deployments.
  • Deployed virtual machines from preconfigured Oracle VM templates to ensure consistency in application rollouts.
  • Conducted firmware upgrades and applied system-wide patches on PCA compute and management nodes.
  • Applied critical kernel and security patches across production, staging, and DR environments with minimal downtime.
  • Configured NFS file share on Oracle PCA for enhanced storage solutions.
  • Resolved VAPT findings by aligning with security benchmarks (CIS).

Linux Administrator

Orabit Technologies Pvt. Ltd.
Noida
11.2021 - 03.2024
  • Monitored system and network daily to ensure uninterrupted availability.
  • Assisted NOC and cross-functional teams with escalated server and network issues.
  • Installed, upgraded, and configured Red Hat Linux and Oracle Linux versions 7.x and 8.x.
  • Administered user and group accounts on Linux servers effectively.
  • Managed day-to-day system administration, maintenance, and monitoring tasks.
  • Troubleshot booting processes and server performance issues.
  • Installed upgrades, applied kernel patches, and configured Linux systems efficiently.
  • Configured ACLs for users while managing package integrity using RPM and YUM.
  • Created and managed LVMs, RAID arrays, and performed filesystem troubleshooting.
  • Implemented performance monitoring and log tracking with Grafana and Nagios.

Education

Bachelor of Science -

Dr. Bhimrao Ambedkar University
Agra
01.2022

Intermediate -

CBSE Board
01.2019

Highschool -

CBSE Board
01.2017

Skills

  • Oracle private cloud appliance
  • System monitoring
  • Network monitoring
  • Oracle Linux 7x, 8x
  • Red Hat Linux 7x, 8x
  • KVM
  • Booting Process
  • Server Performance
  • Kernel Patching
  • System Configuration
  • Package Management
  • Virtual Cloud Network & Subnet
  • Access Control Lists (ACLs)
  • Block Volumes & Boot Volumes
  • File System Troubleshooting
  • File Management
  • Storage Management
  • LVM
  • RAID
  • DNS Configuration
  • Performance monitoring
  • Nagios
  • Grafana
  • Selinux troubleshooting
  • FTP Server Access
  • Log Monitoring
  • System Maintenance
  • Network Troubleshooting
  • Performance Tools

Certification

  • Oracle Cloud Infrastructure (OCI) 2025 Foundations Associate - 1Z0-1085-25 certification

Expertise Roles

  • Compute management: provisioned and managed OCI compute instances (Linux), including shape selection, image management, boot volume resizing, and troubleshooting
  • Block and boot volumes: Created, attached, resized, and backed up block and boot volumes in OCI; managed volume lifecycle, and backup policies
  • VCN and networking: designed and configured VCNs, subnets (public/private), route tables, internet/NAT gateways, security lists, and network security groups (NSGs)
  • Object storage: Managed OCI object storage for backups, logs, and configuration files; implemented bucket policies and pre-authenticated requests (PARs)
  • OCI CLI and automation: performed daily OCI administration tasks using OCI CLI for compute, networking, and storage resource automation
  • Patching and OS maintenance: applied system updates on OCI Linux instances using yum, dnf, and ULN repositories, and enabled automated patching using scripts and cron
  • Monitoring and logs: configured OCI monitoring and alarms, used metrics and logs for system health checks, and proactive issue resolution
  • IAM and security: managed OCI IAM users, policies, dynamic groups, and compartments for resource isolation and least-privilege access control
  • Backup and DR: Scheduled backups of volumes and instances, created custom backup policies, and tested instance recovery from backups in DR scenarios
  • Apache, DNS, and system services: deployed and configured Apache web server, DNS, FTP, and Samba services within OCI compute instances

Timeline

Technical Specialist

Translab.io
03.2024 - Current

Linux Administrator

Orabit Technologies Pvt. Ltd.
11.2021 - 03.2024

Bachelor of Science -

Dr. Bhimrao Ambedkar University

Intermediate -

CBSE Board

Highschool -

CBSE Board

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