Specialties include:Red Hat Enterprise Linux / CentOS 3, 4, 5, 6 & 7.Debian Linux 7, 8 & 9ELK (Elastic) Stack (Elasticsearch, Logstash, Kibana & Beats - up to versions 6.0 (release candidates )Python / BASH Shell / Perl / PowerShell Scripting.PowerMTA (3.5 / 4.0 / 4.5).Sendmail (8.12.* - 8.15.*).KVM/Qemu, VMware 5.0, 5.5 & 6.0.DockerExchange - 5.0 / 5.5 / 2000 / 2003 / 2007 / 2010 / 2013.Multiple open source MTA's, including, but not limited to the aforementioned Sendmail, also Postfix, Exim, Qmail and Smail.Sun Solaris / Oracle Solaris - 8, 9, 10 & 11.Windows Server OS's - NT 4, 2000, 2003, 2008, 2008 (R2), 2012, & 2012 (R2) Server OS.Symantec Brightmail technologies (now re-branded as Symantec Message Gateway products).Open Source Software - MySQL / MariaDB database servers, Apache / Nginx web servers, PowerDNS / BIND DNS servers, OpenLDAP / 389 Directory Server LDAP servers, MIMEDefang, SpamAssassin, ClamAV Sendmail milters / standalone mail filtering utilities and many, many more.VERITAS Cluster Server (Solaris, RHEL & Windows)..VERITAS Volume Manager.VERITAS File System.VERITAS NetBackup.C programming.Occasional Linux kernel contributor.
Listed skills include Microsoft Exchange, Security, Powershell, Netbackup, and 43 others.