Omikron Technologies Pvt Ltd

Job Title: Linux System Administrator Location: Kolkata (On-site) , Lake Gardens, South Kolkata Job Type: Full-Time, Permanent Experience Required: 1 - 3+ Years (Multiple levels considered) = About the Role = We are hiring a skilled Linux System Administrator to join our team. The candidate will manage and run Linux-based servers, websites and multi-stack web hosting platforms. = Recommended Educational Qualifications = Minimum requirement (Any of the following): B.Tech / B.E. / MCA / BCA Equivalent technical degree with relevant certifications = Skills required = Install, configure, maintain, and secure Linux servers (Ubuntu, CentOS, RedHat, Debian, RockyLinux ). Setup Web servers (Apache, Nginx), Mail server (Postfix, Dovecot, Mailcow, Mailwizz) Manage backup systems (local & cloud), disaster recovery strategies, and restore procedures. Deploy, configure, and optimize web servers: Apache, NGINX, Tomcat, Node.js environments. = Hosting, Cloud & Virtualization = Manage control panel systems like WHM, cPanel servers including scaling, optimization, migration, and security. Manage AWS infrastructure (EC2, RDS, S3, VPC, IAM, Route 53, Load Balancers). Create automation scripts using Bash, Python, Ansible, Perl, or similar. Setup and Manage containers using Docker and Kubernetes. = Monitoring, Troubleshooting & Support = Monitor system with Prometheus, Grafana, Nagios, or Zabbix. Review logs and troubleshoot network, hardware, performance, and application issues. Maintain documentation for configurations, procedures, automation scripts, and architecture. = Security & Compliance = Implement system hardening, firewall rules, user access control, SELinux, OS patching, and best security practices. Manage user accounts, permissions, MFA, SSH access, and role-based access controls. = Technology Stack Exposure (Preferred) = Backend / Hosting environments: LAMP, WordPress, Laravel, Java apps, Node.js apps, React deployments. Networking: DNS, TCP/IP, routing, load balancers, VPN, firewall policies. = Required Skills = Experience in web servers (Apache, NGINX) and database administration (MySQL/MariaDB). Strong scripting ability (Shell/Bash, Python, Ansible, Perl, Awk/Sed). Skilled in system hardening, mail server administration, firewall rule configuration. = Salary Range = ₹15,000 – ₹30,000 per month (Based on expertise & experience) = Work Mode = On-site: Kolkata ( South Kolkata – Lake Gardens Prince Anwar Shah Road) Job Types: Full-time, Permanent, Fresher Pay: ₹15,000.00 - ₹30,000.00 per month Benefits: Cell phone reimbursement Commuter assistance Flexible schedule Internet reimbursement Paid sick time Paid time off Work from home Work Location: In person