Nikhil Datar
Senior Linux Administrator
Nagpur,MH
Summary
Accomplished Senior Server Infrastructure Engineer at Paynext Pvt. Ltd., adept in Linux and Docker management. Proven problem solver with a keen attention to detail, successfully implemented security protocols and automated tasks using Ansible, enhancing system performance and reliability. Strong teamwork skills foster collaboration across IT teams to support critical infrastructure.
Overview
15
15
years of professional experience
1
1
Certificate
Work History
Senior Server Infrastructure Engineer
Paynext Pvt. Ltd
Nagpur, Maharashtra
08.2025 - 01.2026
- Managed and maintained Linux servers running Oracle Linux 9 and Ubuntu 23 and RHEL 9 ensuring system stability and performance.
- Managed and maintained cloud instances on Amazon Web Services (AWS) and Oracle Cloud Infrastructure (OCI).
- Managed and maintained Docker containers for application deployment and environment consistency.
- Automated system administration tasks using Ansible by developing and maintaining playbooks.
- Monitored and analyzed system logs using ELK Stack and Syslog servers to identify and troubleshoot issues.
- Monitored server health, performance, and availability using Zabbix monitoring tools.
- Implementing security protocols, configuring firewalls, managing access, applying patches, and responding to threats.
- Administered SFTP and Samba servers to enable secure file transfers and shared network storage across systems.
- Managed and maintained Nginx and HAProxy servers for load balancing and high-availability web infrastructure.
- Administered user account management, including creation, deletion, permission control, and access rights assignment.
- Implemented server hardening and security patch management to protect systems from vulnerabilities.
- Administered data backup processes and implemented disaster recovery strategies to safeguard critical systems and data.
- Writing shell scripts and configuring Cronjob to automate repetitive tasks.
- Installed and configured MySQL and MariaDB databases on Linux servers.
- Maintain system documentation and standard operating procedures.
- Working with developers, managers, and other IT teams to support applications and infrastructure.
- Managing Trend Micro Antivirus Server.
Senior Linux Administrator
Altius Customer Services Pvt. Ltd.
Nagpur, Maharashtra
10.2021 - 07.2025
- Administered Linux servers (CentOS 8, Rocky Linux 8/9, Ubuntu 22), ensuring optimal system performance, stability, and security.
- Managed user accounts and permissions, including creating, modifying, and deleting Linux users, and configuring Samba and FTP servers.
- Deployed and maintained Docker containers and automated repetitive tasks using Ansible playbooks.
- Monitored server operations daily, including disk usage, system health, and performance metrics.
- Scheduled and automated tasks using crontab and custom shell scripts, improving operational efficiency.
- Configured and monitored server alerts using Zabbix, Greenbone Security Assistant, Syslog, and Wazuh for security and intrusion detection.
- Implemented SSH and password-less authentication to enhance secure remote access.
- Developed shell scripts and cronjobs to automate recurring tasks and reduce manual intervention.
- Maintained system documentation and standard operating procedures to ensure knowledge sharing and compliance.
- Monitored intrusion alerts and system logs to proactively identify and mitigate security risks.
Senior System Administrator
Virtual Galaxy InfoTech Pvt. Ltd.
Nagpur
09.2016 - 06.2017
- Handled server installations, configurations, and troubleshooting.
- Worked on Linux servers (RHEL 7, 8, and CentOS 7, 8).
- Managing the Active Directory database on Windows Server 2016 (creating, deleting, and modifying domain users' accounts) and Group Policies.
- Configuring and managing Samba server, DNS server in CentOS 7.4.
- Install and configuration of Zabbix Monitoring tool.
- Implemented automation with the help of shell scripts, cron jobs.
- Managing server hardening and patching.
- Managing Kaspersky Antivirus Server.
- Monitoring the server's daily operation and managing disk space on the server.
- Created virtualized systems with VMware and VirtualBox on servers.
- Managing and resolving Server hardware issues Servers (Lenovo X240 M5, System X 3650M).
- Maintained 500+ Windows computers and peripherals, including all configuration and monitoring.
Network & Security Administrator
Value Chain Solutions Pvt. Ltd.
Nagpur
05.2014 - 12.2015
- Management of Linux and Window's Servers.
- Configured & Managed DNS, DHCP & Active Directory and Linux Servers.
- Managed Active Directory database (create/delete/modify domain user's account).
- Managing Samba server and user management.
- Shell Scripting and management of Cronjobs.
- Monitoring servers using zabbix & Wazuh.
- Maintained 300+ Windows computers and peripherals.
- Monitoring of Server daily operation's and managing disk space on server.
- Installation of Antivirus, Patches & Updates from Backend side & frontend both.
System Administrator
Ascent Business Solutions
Nagpur
01.2011 - 08.2011
- Management of Linux and Window's Servers.
- Managed Active Directory database (create/delete/modify domain user's account), Group Policies management as per company policy on Windows Server 2008 R2 Server and Linux server patch management.
- Managing Samba, FTP Servers and create delete modify Linux users.
- Microsoft Outlook configuration, backup, troubleshooting.
- Installation of Antivirus, Patches & Updates from Backend side & frontend both.
- Perform 24x7 on call duties on a rotation basis as a Technical Support & Remote.
Skills
- Problem Solving and Troubleshooting
- Attention to Detail and Accuracy
- Teamwork and Interpersonal Skills
- Linux
- RHEL
- Centos
- Rocky Linux
- Ubuntu Server
- Kali Linux
- ParrotOS
- Docker
- Kubernetes
- Ansible
- AWS
- OCI
- USER MANAGEMENT
- File Sharing
- SAMBA
- NFS
- FTP
- SFTP
- STORAGE
- LVM
- ISCSI
- Ext4
- XFS
- SWAP
- Networking
- DHCP
- DNS
- TCP/IP
- SSH
- SCP
- NTP
- Cyber Security
- Firewall Rich Rules
- Selinux
- Iptables
- Server Hardening
- Patch management
- Squid Proxy
- Vulnerability Assessment
- IT Audit
Education
Bachelor in Commerce -
Yeshwantrao Chauhan Maharashtra Open University
Nashik01.2015
Diploma in CMS Certified Networking Specialist -
CMS Institute
Nagpur01.2010
I.T.I in Electrician -
Rashtrasant Tukadoji Maharaj Nagpur University
Nagpur01.2007
HSC -
Rashtrasant Tukadoji Maharaj Nagpur University
Nagpur01.2005
Certification
- Red Hat Certified Engineer (RHCE 7), 160-023-099
- Microsoft Certified Systems Administrator (MCSA), (Microsoft Server 2003)
- Cisco Certified Network Associate (CCNA), 408904169441ASBF
- CMS Certified Network Specialist (Course Completion Certificate)
Timeline
Senior Server Infrastructure Engineer
Paynext Pvt. Ltd
08.2025 - 01.2026
Senior Linux Administrator
Altius Customer Services Pvt. Ltd.
10.2021 - 07.2025
Senior System Administrator
Virtual Galaxy InfoTech Pvt. Ltd.
09.2016 - 06.2017
Network & Security Administrator
Value Chain Solutions Pvt. Ltd.
05.2014 - 12.2015
System Administrator
Ascent Business Solutions
01.2011 - 08.2011
Bachelor in Commerce -
Yeshwantrao Chauhan Maharashtra Open University
Diploma in CMS Certified Networking Specialist -
CMS Institute
I.T.I in Electrician -
Rashtrasant Tukadoji Maharaj Nagpur University
HSC -
Rashtrasant Tukadoji Maharaj Nagpur University
Languages
- English
- Hindi
- Marathi
References
I am submitting herewith my resume for your perusal consideration for the post of System Admin in your organization., Thanking you., Nikhil H. Datar