Linux and Cyber Security Lead
AscentHR Pvt Ltd
Total years of experience :8 years, 7 Months
• Apply security patches and updates to secure vulnerabilities and improve system security.
• Implement and maintain security protocols, including firewalls, intrusion detection systems, and intrusion prevention systems. Conduct security audits and vulnerability assessments.
• Ensure compliance with security best practices and industry standards. Develop and enforce security policies and procedures.
• Continuously monitor system logs and security alerts for signs of unauthorized access or anomalies using AVI LoadBalancer and PRTG Network monitoring tools.
• Collaborate with other IT teams, departments, and external partners to maintain a secure and efficient IT environment.
• Stay updated on emerging cybersecurity threats and implement proactive measures to prevent them.
• Develop scripts and automation to streamline security and administrative tasks.
• Ensure that the organization complies with relevant data protection and privacy regulations and standards.
• Investigate and analyze security breaches and provide incident reports.
• Manage access control lists (ACLs) and authentication mechanisms to control user access. Enforce multi-factor authentication (MFA) for secure access. Manage VPNs and secure sockets layer (SSL) certificates.
• Monitor network traffic for suspicious activity and potential threats.
• Scanning the servers for Vulnerabilities using NESSUS Professional plus and SAFE.
• Installing and managing OSSEC on Linux machines and monitoring for security logs and events.
• Fixing Vulnerabilities as per CSI Benchmark standards. Vulnerability automation using Ansible and Jenkins
• AWS Cloud administration, EC2 Instances, LB setup
• Managing user administration, password policies and security permissions.
• Scheduling jobs via Cron, At Job. Configuring and management of LVM.
• Working on Shell scripting in automating User Creation, deletion and Managing System Management Tasks.
• Troubleshooting and Fixing Server Level Issues.
• LVMs configurations and disk space management, Swap Space.
• Implement and maintain monitoring and alerting of servers.
• Effective team player with excellent interpersonal and communication skill.
• Working on incidents related to Linux and VMware environment and fixing.
• Managing client Infrastructure, deploy application and troubleshoot issues.
• Launching Web Server Apache Nginx(HTTPS), Mail Server Send-mail, Dovecot,
• Managed all the production servers. Setting up the application in production servers. Configuration of private package repository with YUM.
• Operating Systems : Mac, Windows, LINUX (Redhat, Centos, Ubuntu)
• DHCP, NFS, DNS, SAMBA, FTP, TELNET, SSH setup and configuration
• Diagnosis, solution, RCA of application, network, OS related issues
• User accounts, access configuration, File Quota handling, Disk Utilization,
• Git repositories/ svn subversion handling and deployment.
• Performance monitoring using Nagiox. Configuring websites
• Complete installation and configuration of SSL Certificates. Enhancing Selinux in Linux Servers