Open To Work
ANIL KUMAR
Linux System Administrator
Bangalore,KA
Summary
System Administrator with 4+ years of hands-on experience managing Linux/Windows servers, virtualization platforms, hosting infrastructures, databases, networking, monitoring systems, and datacenter operations. Expert in server provisioning, RCA, performance optimization, migrations, disaster recovery, security hardening, and 24/7 production support. Strong ability to resolve complex issues, prevent recurrence through root-cause analysis, automate operations, and maintain high uptime. Known for handling pressure, mentoring teams, and ensuring seamless infrastructure operations.
Work History
Linux / Windows System Administrator
Nixserv IT Solutions Pvt Ltd
01.2022 - Current
- Provisioned & configured bare-metal servers (HP, Dell, ASUS, Supermicro, Gigabyte, NVIDIA).
- Setup GPU servers with passthrough.
- Rack mounting, cabling, DCIM work.
- Performed remote troubleshooting via IPMI & Spider-KVM.
- Rescue mode operations for Linux/Windows.
- Filesystem repair (fsck), FSTAB correction, partition issues.
- Resolved kernel panics & GRUB boot failures.
- Vendor coordination for hardware diagnostics.
- Installed & managed Proxmox, KVM, Hyper-V, Virtualizor, VMware ESXi, Xen.
- Created VM templates, snapshots & optimized resource allocation.
- Managed RAID, LVM, disk encryption, and storage expansions.
- Configured Zabbix/Observium with Slack alerts.
- Conducted RCA for repeated incidents.
- Tools: top, htop, iotop, nethogs, IPtraf, tcpdump.
- Diagnosed load, memory, disk I/O, traffic spikes & DDoS attempts.
- Provided 24/7 support via tickets, calls, chat & email.
- Supported shared, reseller, VPS, cloud & dedicated servers.
- Final escalation point for kernel, GRUB, FS corruption, and network issues.
- Managed WHMCS, Hostbill & Tawk.to.
- Acronis-based bare-metal restorations.
- CPanel ↔ cPanel, Plesk ↔ Plesk migrations.
Email migrations (GSuite ↔ SmarterMail, cPanel) via IMAPSync. - Website, file & database migration with zero data loss.
- DR planning, backup validation & restoration testing.
- Managed Apache, Nginx, LightSpeed, IIS.
- Configured Exim & SmarterMail.
- Installed SSL across various platforms.
- Managed MySQL/MariaDB/MSSQL (setup, recovery, tuning).
- VLAN changes, switch port configs, MAC binding & unauthorized IP detection.
- Hardened servers (SSH lockdown, firewall rules, malware protection).
- Configured Pritunl VPN with IP whitelisting.
- Implemented centralized access with Apache Guacamole.
- Performed DDoS mitigation.
- Automated tasks with Bash & cron.
- Created VPS templates, SOPs, KB articles & internal documentation.
- Trained junior engineers on hosting, SSLs, troubleshooting.
- Resolved critical escalations across multiple teams.
- Received multiple customer appreciation recognitions.
- Identified major bugs, improving product performance.
- Introduced Apache Guacamole, boosting team productivity.
- Reduced downtime by 25% via streamlined processes.
- Successfully completed 50+ major migrations with 99% success.
- Provisioned new software and hardware for use, following established security policies.
Skills
- Server Deployment & Infrastructure Engineering
- Virtualization & Cloud Environments
- Web Hosting & Control Panels
- Backup, Recovery & Disaster Management
- Monitoring, Logging & Performance Optimization
- Networking, Security & Firewall Management
- Advanced Linux/Windows Troubleshooting
- Automation & Scripting
- Customer Support, Escalations & Team Coordination
- Root Cause Analysis (RCA) & Incident Prevention
- RHEL
- CentOS
- Ubuntu
- Debian
- Proxmox
- Windows Server
- CPanel/WHM
- DirectAdmin
- Plesk
- Virtualmin
- KVM
- Hyper-V
- VMware ESXi
- Virtualizor
- OpenVZ
- Xen
- VM Templates
- Snapshots
- Docker
- Kubernetes
- GPU Passthrough
- Cloning
- Zabbix
- Observium
- Slack Alerts
- IPMI
- Spider-KVM
- Syslog
- Log Rotation
- Apache Guacamole
- TCP/IP
- DNS
- DHCP
- VLAN
- Bonding
- Routing
- NAT
- ARP
- HTTPS
- NTP
- Iptables
- CSF
- UFW
- DDoS Prevention
- Traffic Analysis
- Tcpdump
- Wireshark
- Basic Switch Config
- Port Speed
- MAC Binding
- Hardware/Software RAID
- LVM
- Disk Encryption
- Mdadm
- JetBackup
- Acronis Bare-Metal
- FTP
- NFS
- Disaster Recovery (DR) Planning & Restoration
- MySQL
- MariaDB
- MSSQL
- DB Setup
- Backups & Dumps
- Restoration
- Performance Tuning
- Bash
- Cron Jobs
- Apache
- Nginx
- LightSpeed
- IIS
- WordPress
- SSL
- Exim
- SmarterMail
- IMAPSync
- Server Hardening
- SSH Key Management
- Firewall Rules
- Security Patching
- Imunify
- Sentinel
- CrowdStrike
- Defender
- ClamAV
- Maldet
- Abuse Reports Handling
- SOPs
- KB Articles
- RCA Reports
- WHMCS
- Hostbill
- Tawkto
Education
BE - Computer Science Engineering
01.2021
GPA: 7.6
Accomplishments
- Resolved critical escalations across multiple teams.
- Received multiple customer appreciation recognitions.
- Identified major bugs, improving product performance.
- Introduced Apache Guacamole, boosting team productivity.
- Reduced downtime by 25% via streamlined processes.
- Successfully completed 50+ major migrations with 99% success.
Languages
English
Upper intermediate (B2)
Hindi
Intermediate (B1)
Telugu
Bilingual or Proficient (C2)
Tamil
Bilingual or Proficient (C2)
Kannada
Intermediate (B1)
Malayalam
Intermediate (B1)
Personal Information
System Administrator specializing in Linux, Windows, Virtualization, Hosting, RCA, and Server Performance Optimization.
Work Preference
Work Type
Full TimePart TimeLocation Preference
On-SiteHybridRemoteTimeline
Linux / Windows System Administrator - Nixserv IT Solutions Pvt Ltd
01.2022 - Current
RVS Technical Campus - BE, Computer Science Engineering
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Interests
Learning New Technologies
Problem Solving & Root Cause Analysis
Technical Troubleshooting
Infrastructure Automation
IT Service Management (ITSM)
Containerization (Docker, Kubernetes)
Security Hardening & Best Practices
High-Availability Systems