About
Security Analyst & Penetration Tester with 5+ years of experience in Linux administration, DevOps, SOC, and VAPT. Proficient in threat detection, incident response, vulnerability assessments, and system hardening. Skilled with VA/PT tools including Nessus, OpenVAS, Nmap, Burp Suite, and experienced with SIEM platforms and cloud services (AWS, Azure). Certified CEH and Red Hat, committed to enhancing security postures and reducing risks effectively.
Skills & Expertise (6)
Work Experience
Customer Support Engineer
C.I. Infotech Pvt. Ltd.
Oct-2018 - Nov-2019
Worked in a 24x7 SOC: log analysis, incident detection, and response support. Managed Linux L2 tasks: patching, troubleshooting, and security hardening. Administered VMware vSphere/ESXi: VM provisioning, configuration, and decommissioning. Conducted VAPT with OpenVAS, Nmap, Burp Suite, and applied remediation. Implemented firewall rules (iptables, firewalld) and CIS benchmark compliance.
System Administrator
Freelance
Jan-2025 - Present
Managed Linux servers (user setup, patching, log checks, basic hardening). Installed and configured web platforms (WordPress, Magento, Odoo) with SSL and database connectivity. Handled MySQL/PostgreSQL setup, backup, and basic troubleshooting. Deployed small-scale apps using Docker and automated provisioning with Terraform. Performed basic VA/PT using Nessus, OpenVAS, and Nmap to identify open ports and vulnerabilities. Used tcpdump & Wireshark to capture traffic and troubleshoot connectivity issues. Configured and monitored ELK/Wazuh for log collection and alerting. Worked on 24/7 SOC monitoring: checking alerts, reviewing logs, and reporting incidents. Applied firewall rules (iptables, pfSense) and followed CIS guidelines for secure configurations.
System Consultant
Hi-Tech Computer & Security System Pvt. Ltd.
Feb-2020 - Jul-2021
Designed, built, and deployed bare-metal servers and cloud infrastructure across Linux and Windows environments. Installed, configured, and troubleshot servers, workstations, and system software to ensure optimal performance and reliability. Applied CIS Benchmark security hardening to Linux and Windows servers to achieve compliance standards and significantly reduce vulnerabilities.
System Administrator
Laiktor Consultancy Services Pvt. Ltd.
Aug-2021 - Oct-2024
Worked in a 24x7 SOC, monitoring logs, detecting anomalies, and supporting incident response. Conducted VAPT & web app scans with Nmap, Nessus, OpenVAS, Nikto, and Burp Suite applied remediation for vulnerabilities. Implemented firewall rules, OS/application hardening, and compliance measures. Managed Linux, VMware, and AWS/Azure infrastructure, including patching and access controls. Automated deployments with Docker & Terraform, and managed CI/CD workflows with Git. Maintained web servers (Nginx, Apache) and databases (MySQL/PostgreSQL) with backup and monitoring via Nagios/Zabbix and SIEM (ELK, Wazuh).
Education
Bachelor of Computer Applications
2011 - 2013 · India
Interested in this developer?
Profile Score Breakdown
Profile Overview
Availability Details
Visa Status
Need Sponsorship
Relocation
Depends on Offer