RAJNISH KUMAR
Noida
Summary
IT Professional with 5+ years of hands-on experience in Desktop Support, Linux Administration, and IT Security. Skilled in software/server installations, automation with Ansible, and resolving system issues across Windows and Linux platforms. Seeking a role to strengthen infrastructure security and ensure smooth IT operations.
Overview
11
11
years of professional experience
Work History
Desktop Support Engineer & Linux Administrator
VVDN Technologies Pvt Ltd
Noida
05.2022 - Current
- Windows Support & Security
- Resolved hardware/software issues on Windows 10/11 systems.
- Implemented BitLocker encryption for endpoint security.
- Deployed and maintained Comodo Antivirus and other endpoint protection tools.
- Managed printers and drivers
- Linux System Administration
- Installed and configured Linux servers (RHEL, Ubuntu, CentOS).
- Set up and managed MySQL, pgAdmin, Kafka, and other server tools.
- Configured disk encryption for data protection and secure storage.
- Automated tasks using Ansible and managed system performance.
- Scheduled cron jobs, reviewed logs, and handled system backups.
- Networking & Support Tools
- Handled LAN/WAN, DNS, DHCP, TCP/IP issues.
- Supported remote users via SSH, RDP, and ticketing tools.
- Assisted in basic firewall and VPN configurations.
- IT Asset Management
- Maintained hardware/software inventory.
- Documented procedures and created knowledge base articles.
IT Support Specialist
The Kalgidhar Trust
Jalandhar Punjab
02.2022 - 05.2023
IT Support Engineer
Extramarks Education India Pvt Ltd
Noida
04.2014 - 12.2020
- Provided technical support for software applications and hardware troubleshooting.
- Assisted users with onboarding and training for educational technology tools.
Education
B.Tech - Computer Science
Punjab Technical University (PTU)
08-2012
Higher Secondary - 12th
HPBOSE
03-2005
Secondary - 10th
HPBOSE
03-2003
Skills
- Operating Systems: Windows (10/11), Linux (RHEL, Ubuntu, CentOS), macOS
- Security Tools: BitLocker, Comodo Antivirus, Disk Encryption
- Software/Servers: MySQL, pgAdmin, Kafka
- Automation & Scripting: Ansible, Bash
- IT asset management
- Endpoint security
- Network troubleshooting
- Linux administration
- Windows support
- System performance
- Networking: TCP/IP, DNS, DHCP, VPN
- Tools: RDP, SSH, Jira
- Strong problem-solving and troubleshooting skills
- Experience in IT security implementation
- Good communicator with a user-focused approach
- Adaptable and quick to learn new technologies
Languages
Languages: English, Hindi
Disclaimer
I hereby declare that the information provided is true to the best of my knowledge. Place: Noida Signature: Rajnish Kumar
Timeline
Desktop Support Engineer & Linux Administrator
VVDN Technologies Pvt Ltd
05.2022 - Current
IT Support Specialist
The Kalgidhar Trust
02.2022 - 05.2023
IT Support Engineer
Extramarks Education India Pvt Ltd
04.2014 - 12.2020
B.Tech - Computer Science
Punjab Technical University (PTU)
Higher Secondary - 12th
HPBOSE
Secondary - 10th
HPBOSE
Similar Profiles
Sumit SumitSumit Sumit
Quality Control Engineer at VVDN TECHNOLOGIES PVT LTD.Quality Control Engineer at VVDN TECHNOLOGIES PVT LTD.
SHIKHA MISHRASHIKHA MISHRA
HR Assistant Manager + Business Partner HR at VVDN Technologies Pvt LtdHR Assistant Manager + Business Partner HR at VVDN Technologies Pvt Ltd
Harsh RajHarsh Raj
Junior Engineer Trainee at VVDN Technologies Pvt Ltd.Junior Engineer Trainee at VVDN Technologies Pvt Ltd.
Sunil BhatSunil Bhat
Business Head IDBI Vertical at Ageas Federal Life Insurance Company LtdBusiness Head IDBI Vertical at Ageas Federal Life Insurance Company Ltd
Chetna SinghChetna Singh
Assistant Manager-Strategic Bid Management at HCL TECHNOLOGIES LTD.Assistant Manager-Strategic Bid Management at HCL TECHNOLOGIES LTD.