System Administrator-IT

5 - 9 years

4 - 7 Lacs

Posted:1 hour ago| Platform: Naukri logo

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Work Mode

Work from Office

Job Type

Full Time

Job Description

  • Install, configure, and maintain Linux servers (CentOS, Ubuntu)
  • Manage users, groups, file systems, backups, cron jobs, and shell scripts.
  • Monitor server performance and perform regular maintenance.
  • Installation and Configuration of firewalls and VPN.
  • Implement server hardening, SSH security, and patch management.
  • Manage DNS, DHCP, routing, and network troubleshooting.
  • Implement Fail2Ban, SELinux/AppArmor, and intrusion-prevention practices.
  • Email System (Postfix + Fetchmail + Procmail + Dovecot)
  • Installation and configuration of Samba Server.
  • Installation and configuration of Apache.
  • Install and manage Postfix mail server.
  • Configure SMTP, POP/IMAP, relay, and smarthost.
  • Manage DNS records (MX, SPF, DKIM, DMARC).
  • Install and configure IP PBX systems.
  • Create SIP extensions, IVRs, call queues, and call routing.
  • Configure SIP trunks and VoIP providers.

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