--------------- TECHNICAL SKILLS
Operating Systems:
GNU/Linux (Red Hat Enterprise Linux 5/6/7, CentOS 5/6/7, Hardened Gentoo,
Slackware, Ubuntu).
UNIX (Solaris, FreeBSD).
Microsoft Windows (all versions since 3.1).
Apple MacOS (7, 8, 9, X).
kali
Languages:
UNIX Shell Scripting (BASH, KSH), Perl, HTML, CSS, XML, SQL.
C, C++, JAVA, HTML5, J Query, Oracle, MySQL, Procedural PLSQL Scripts, Modelling, Oracle Analytics, Socket Programming and Network.
Networking:
TCP/IP, network tools (ping, traceroute, tcpdump, netstat, nmap, nessus, ntop
Protocols:
dns, https, icmp, imaps, ldaps, ntp, pop3s, rsync, sasl, smtps, snmp, ssl/tls, syslog
Services:
Amavisd-new, Apache, BIND, cPanel, Common UNIX Print Service,
Courier/Dovecot, Exim/Postfix/Sendmail, FTP/SFTP, GnuPG, iSCSI, SSH,
SSL/TLS, Tomcat, VNC
Relational Databases:
MariaDB, MySQL, Oracle, PostgreSQL
Storage & Backup:
SAN (VNX, Avamar, Data Domain, XtremIO), Multipath (MPIO), LVM2,
snapshots, archival utilities (cp, tar, xz, zip, rsync, diff)
Monitoring:
Cacti, Nagios, SolarWinds Orion, Zabbix
Security:
Security Best Practices, including the Principle of Least Privilege, PAM, Log Auditing, Access Control, Password safes (KeePassX, OnePass), Encrypted Tunneling, Security Policy, Password Aging, Password Cracking to check for weakness (john), User/Group ACLs, SELinux
Virtualization:
KVM, VMWare ESXi (5.1/5.5), Virtuozzo (OpenVZ), Xen
Administered and secured VMware ESXi 5.5