
NETWORKS / SECURITY
Profound knowledge of the TCP/IP Protocol Suite e.g., IPv4, TCP, UDP, TLS, SSH, VPNs (IPSec, SSL/TLS, SSH), DNS,
DHCP, HTTP, FTP, TFTP, ICMP, LLDP, ARP, Ethernet
In-depth experience (iptables, firewalld), SELinux
Hands-on experience in IPS/IDS e.g., Snort, Tripwire, fail2ban
Solid understanding of IPv6, SMTP, IMAP, POP3, NTP, SNMP, RSYNC, SMB
VIRTUALIZATION / CLOUD COMPUTING
Hands-on experience with AWS EC2, SES, VPC, AWS-CLI
Solid understanding of Kubernetes, Docker, LXC
Good skills in VMware vSphere (ESXi) and Workstation
Good skills in OpenVz Server
Good skills in Xen Server
Good skills in OnApp Cloud
OPERATING SYSTEMS / APPLICATIONS
Comprehensive proficiency in Fedora-based Linux Distros e.g. CentOS, Redhat,Debian,FreeBsd
Good skills in openSUSE, Ubuntu and Windows Server
Solid understanding of Apache httpd, tomcat, NGINX, Squid, Postfix, Dovecot, BIND
Hands-on experience with SQL, PL/SQL, MySQL / MariaDB
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