Senior System Engineer

• Mar 2018 - Present

• Leads an operation team for daily market data monitoring and infrastructure side. • Installs, configures and maintains VMs via RHEL KVM for projects using services such as DRBD, Pacemaker, GlusterFS, SSH, Google Authentication, Network Manager and etc. • Monitors daily operations running on Windows Servers (Hyper-V) that offer real time and delay stock market data. • Works with DBAs and Developers to resolve their daily issues. • Acquired extensive experience managing hardware with DELL servers (iDRAC), Cisco switch and FortiGate Firewall. • Allows and analyses incoming/outgoing traffics from FortiGate and pfsense firewalls via NAT, VPN, leased line and etc. • Performs systems troubleshooting and problem resolution, patching, packages, drivers, software and hardware refresh. • Creates automated backups using BASH scripts (rsync) and cronjobs to backup data to remote DR sites. • Writes BASH scripts to manage logs for all projects to remote centralized data vault server. • Configures Linux hardening based on CIS Compliance which includes filesystems, AIDE, Boot, Network, Firewall (iptables), Auditing, PAM and etc. • Manages disks and file systems via LVM. • Administers Zabbix monitoring tools for servers and applications monitoring and incident alerts. • Supports internal staff’s system infrastructure related such as SSL VPN, 3CX VoIP, Samba File Server, Printers, Wi-Fi and etc. • Prepares and maintains proper documentations on IT assets, network diagrams and system configurations for IT auditing purposes. Show less

System Engineer

• Jan 2016 - Feb 2018

• Provided technical assistance to clients for products & services offered by Exabytes (issue regarding cPanel, hosting and domain) via freshdesk ticketing system. • Advised guidance to clients for products & services offered by Exabytes. • Provisioned web server (Dedicated physical servers, and Virtual Private Servers) on SolusVM platform. • Performed daily backup server maintenance using R1soft Backup Manager. • Troubleshoot errors related to hosting related services (Windows Server 2012 & Linux CentOS 6/7). • Monitored servers’ performances on Nagios and ensured servers are working on optimum performance. • Performed weekly & monthly server maintenance (HDD health, Raid card status etc.). • Involved in Data Center migration in 3 months project. • Assigned to lead Data Center management software implementation (Racktables). • Troubleshoot issue regarding CMS (Wordpress, Joomla and Magento) • Performed security hardening for web hosting after security attack. Show less

Trainee

• Jun 2011 - Oct 2011