Cisco CCNA , CompTIA Security + Certified
I worked in deploying and maintaining these systems:
Cloud Computing Platforms:
AWS Amazon Web Services.
Server Operating Systems:
Windows Server 2003-to-2012R2, Windows Server 2016 Amazon Linux, Debian, RHEL, CentOS, Ubuntu.
Mail servers:
POSTFIX, EXIM, MS Exchange 2000-to-2013, MS Exchange 2016, QMAIL
Virtualization:
MS Hyper-V, VMware Server(ESXI), VirtualBox.
Directory service:
Active Directory, OpenLDAP.
File servers:
IIS FTP, proftpd, FileZilla FTP Server .
Firewalls:
Windows firewall,ISA/Forefront TMG, PFSense, Zywall, SonicWall and other Routers;