عبد الله إلياس

Currently working with Nextbridge (Pvt) Ltd. From September 2019 to present as Network & System Engineer.

 Managing official network Linux/Unix/Windows environment. Install, configure and deploy (Linux Flavors. RED HAT, Centos, Debian, Ubuntu etc)
 GCP (Google Cloud Platform)/ Amazon Cloud and Cpanel/WHM server administration / monitoring.
 Apache, Postfix, Dovecot, Samba server, Linux virtualization, terminal services, wine, clustering, Linux firewalls( CSF, Iptables)
 Plan and implement data security by file permissions, back up and disaster recovery plans.
 Construct & install software environments from a clean machine all the way up to our application layer mainly installing OS, drivers, runtime libraries, database, web servers etc using Proxmox 5.4.
 Troubleshoot networks, systems and applications to identify and correct malfunctioning and other operational difficulties
 Worked closely with clients and efficiently handled client complaints regarding LAN and WAN
 Configuration and set-up of all new server systems required on premises datacenter for the company's activities.
 OS hardening and patching.
 Backups, security management, user account management, e-mail systems including internet access, office systems and applications support.
 Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs.

I worked with WebsouIs Pvt LTD as System Engineer from Nov 2015 to September 2019.

Installation, Configuration and Monitoring of Linux/Unix/Windows based Network infrastructure.
 Responsible for Security, Availability and Performance of production servers
 Maintain and troubleshoot hosted email security (Anti-Spam, Anti-Virus, Content Control, Exim ACLs) and web security(Mod security, Anti-Virus, CXS, Bash Scripts)
 Install, configure and maintain network services DNS server (Bind 9,
DHCP (DHCPD), mail (Exim, Postfix, Mail Enable), FTP server (PureFtpd, Microsoft FTP), firewall (CSF, Fail2Ban), web server (Apache, IIS, Nginx) SQL server (MySQL, MSSQL), remote management (OpenSSH, Microsoft RDP)
 Administration of 100+ Servers Linux servers (Cent OS, Ubuntu, Windows Server 2008/2012) Virtualization (KVM, OpenVZ, ), SQL (MSSQL, MYSQL) that include installation and configuration
 Installation and configurations of Monitoring system (Nagios) for monitoring the production servers and services running on them.
 Infrastructure Monitoring Using Nagios. I also wrote custom plugins for Nagios to meet the requirements and enhanced monitoring of system resources.
 Web Application Security, Troubleshooting App/DB related issues, Application performance analysis and optimization, LAMP Stack Optimization.
 Troubleshoot complex problems, resolve operational issues hacked websites, email issues, ip blacklisting, firewall, backups and restoration.
 Mail Server Configuration, Optimization and Up-gradation
 Writing Custom Bash Scripts for automating the tasks.
 Live Migration of Servers and Hosting Accounts.
 Maintaining and Optimizing Servers, analyzing system/Application logs and logs rotation.
 Diagnose and troubleshoot software and network issues on servers located in various datacenters worldwide and escalating to vendors when necessary.
 Backup, security management, user accounts administration & management, e-mail systems including internet access.
 Install, configure and troubleshoot whmcs, Cpanel, Plesk and CentOS panel.
 Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs.