Arjun Reddy

Experience

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  Source One Management Services Pvt Ltd

  Mar 2018 - May 2019

  Linux System Administrator | Prometheus | Grafana | Bash

  ✅ System Administration: Managed and maintained Linux servers (RHEL, CentOS, Ubuntu, SUSE), ensuring high availability, security, and performance.✅ Server Configuration & Optimization: Performed kernel tuning, patch management, security hardening, and optimized system performance.✅ User & Access Management: Implemented RBAC (Role-Based Access Control), LDAP, and Active Directory integrations for secure authentication.✅ Storage & Backup Management: Configured and maintained LVM, RAID, NFS, iSCSI, and SAN storage solutions, implemented backup and recovery strategies.✅ Networking & Security: Managed firewalls (iptables, firewalld), VPNs, SSH configurations, and monitored network traffic to enhance security.✅ Monitoring & Troubleshooting: Used Nagios, Zabbix, Prometheus to monitor system health and troubleshoot performance issues.✅ Patch & Compliance Management: Ensured compliance with security policies and regulatory standards through timely OS updates and vulnerability management.✅ Incident & Change Management: Resolved critical system failures, minimized downtime, and ensured smooth infrastructure changes following ITIL best practices.. Show less

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  HCL Technologies

  Jun 2019 - Jul 2021

  System Specialist | Linux Administrator | VMware | Nutanix | Bash | Nagios | Moogsoft

  ✅ System Administration: Managed and maintained Linux (RHEL, CentOS, Ubuntu) environments, ensuring high performance, security, and availability.✅ Virtualization: Deployed, configured, and optimized VMware vSphere/ESXi and Nutanix AHV clusters, ensuring efficient resource utilization.✅ Monitoring & AIOps: Implemented and managed Moogsoft for proactive issue detection, reducing alert noise and improving incident response efficiency.✅ Incident Management: Responded to critical system alerts, troubleshooting hardware/software failures to minimize downtime and improve resolution time.✅ Change Management: Planned, evaluated, and executed infrastructure changes following ITIL guidelines, ensuring zero business disruption.✅ Service Requests: Managed VM provisioning, storage expansion, access control, and application configurations to meet business requirements.✅ Hardware Maintenance: Diagnosed, replaced, and upgraded failed hardware components (HDD, RAM, Power Supply, RAID Controllers, etc.), ensuring business continuity.✅ Automation & Deployment: Pioneered PXE boot environment configuration, automating OS deployments for multiple servers, accelerating provisioning timelines by 40% and reducing manual errors. Show less

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  Capgemini

  Aug 2021 - Dec 2022

  Consultant | Azure Administrator | Windows | Ansible | Unix |

  ✅ Responsible for managing, monitoring, and securing Microsoft Azure cloud environments, ensuring that cloud services are optimized, scalable, secure, and cost-effective while supporting business operations and IT infrastructure.✅ Deploy, configure, and manage Azure Virtual Machines (VMs) and App Services.✅ Optimize performance, cost, and availability of Azure Compute, Networking, and Storage resources.✅ Ensure high availability and disaster recovery using Azure Site Recovery (ASR).✅ Configure Azure Virtual Networks (VNet), Subnets, and Peering for seamless connectivity.✅ Implement Network Security Groups (NSG), Firewalls, and VPN Gateways for enhanced security.✅ Configure Azure Backup & Recovery Services to prevent data loss.✅ Monitor and analyze cloud performance using Azure Monitor, Log Analytics, and Application Insights.✅ Enforce security and compliance policies using Azure Policy and Governance tools.✅ Manage Azure Blob Storage, File Shares, and Disk Storage, ensuring efficient data management.✅ Implement encryption, access controls, and retention policies to enhance data security. Show less

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  Dublin Business School

  Jan 2023 - Apr 2024

  Masters Student