I has various competitive skills such as :
Have experience for Operating System such as RedHat Enterprise Linux, SuSeLinux Enterprise, OpenSUSE, CentOS, Fedora, Ubuntu, Debian, Slackware,
Zentyal, OpenBSD, FreeBSD, and SUN Solaris 10 also Windows Server 2003 – 2008.
Have experience for IT Security : Establish System Security Hardening, Penetration test on system / network and give recommendation, Helping of IT Security area of the
Bank, SELinux, SSL,Public/Private keys, etc.
Have experience for Network Security Tools: BackTrack / KALI Linux, Snort (IDS-Intrusion
Detection Systems), Nessus, Nmap, RKHunter, Chrootkit, IP Filter,etc.
Have experience for Amazon Web Service (AWS) : Amazon EC2.
Have experience Anti-Virus Enterprise Protection like Kaspersky Enterprise AV, Sophos
Enterprise AV, ESSET Enterprise AV, & Symantec Endpoint Enterprise.
Have experience for Web Server : Apache, Nginx , JBOSS, Weblogic,
Lighttpd.
Have experience for PHPFPM, HHVM, PHP7.
Have Depth Knowledge for Email Server such as Iredmail, Zimbra, Postfix and Qmail.
Have Depth Knowledge for DNS Server (PowerDNS, Unbound, BIND, DJBDNS),
Have Depth Knowledge for Proxy / Squid Server,
Have experience Virtualization : Vmware ESXi. Proxmox Virtual Environment, KVM.