Job
Description
JRole & responsibilities Job Summary: The Linux Administrator (L1/L2) will be part of the ISS team, working closely with developers from multiple projects to ensure smooth operations of bare-metal and cloud-based (AWS, Azure) Linux environments. The role requires expertise in configuring critical services like LAMP stack, Git, and SVN while emphasizing Data Center management, Virtualization, team collaboration, and ITIL-based ticketing tools (JIRA, ServiceNow). Job Description: Worked in Operating Systems: RHEL, CentOS, Ubuntu, Debian, SUSE Networking: IP addressing, DNS, DHCP, Routing Servers & Services: Apache, Nginx, MySQL, PostgreSQL, Samba, NFS, SSH Monitoring Tools: Nagios, Zabbix, Prometheus Security & Authentication: SSSD, LDAP, Kerberos Version Control & CI/CD: Git, SVN, Basic Jenkins knowledge Key Responsibilities: 1. System Administration & Maintenance Perform daily health checks (CPU, memory, disk usage, logs). Manage user accounts, groups, and access permissions. Handle system startup/shutdown, file system management (LVM, RAID). Ensure server uptime and proactive monitoring. 2. Incident Management (L1 Support) Troubleshoot boot failures, performance degradation, and network issues. Analyze system logs (Syslog, Journalctl, Dmesg) for issue identification. Restart essential services (Apache, Nginx, MySQL, SSH, etc.). Reset passwords, unlock accounts, and manage security settings. Escalate critical issues to L3 teams. 3. Patch Management & Security Apply OS patches and security updates (YUM, APT, DNF). Configure and manage firewalls (iptables, firewalld, UFW) and SELinux/AppArmor. Conduct vulnerability scans and enforce security best practices. 4. Critical Services & Dev Team Collaboration Set up and manage LAMP servers (Linux, Apache, MySQL, PHP) for development teams. Configure Git, SVN repositories for version control. Work closely with developers to support deployments and infrastructure needs. Preferred candidate profile Perks and benefits
