Portfolio

Planing, Installing, Maintaining Servers based on BSD, Linux, Windows acting as:
Cloud infrastructure – OpenVZ, BSD jails, KVM, XEN, Citrix XenServer, VMware vSphere 3.x/4.x/5.x/6.x,
Hyper-V, SCVMM 2008/2012, Amazon AWS, Azure, Office 365, etc.
Mail services – Postfix, qmail, dovecot, courier, sendmail, exim, Exchange 2007/2010/2013/2016, MXLogic,
Mimecast, etc.
Web services – apache2, nginx, lighttpd, php5, mysql, MSSQL, IIS, perl, mongodb, etc.
Application services – IIS, MSSQL 2008/2012/2014, Sharepoint 2010/2013, squid, DNS, MySQL clusters and
replication, mongodb replication, LDAP replication, Windows AD, etc.
Networking – DNS, DHCP, CISCO IOS, Juniper ScreenOS/JunOS, Cisco ASA, Palo Alto Networks, L3
Switching, HA Firewalls, Routers and Switch stacking, IPSec (IOS, openswan, strongswan, iked), OpenVPN,
PPTP, Openconnect/anyconnect, SSTP, DirectAccess, quagga, etc.
Web and scripting – HTML, CSS, Perl, bash
Storages – iSCSI, FC, FCoE, VSAN, GlusterFS, ZFS, SAMBA, DRBD, NFS, RAID, LVM, SANs
Storage Appliances – FreeNAS, EVA, MSA, NetApp, EMC VNXe, Nimble
HA – Windows Failover Cluster, FreeBSD CARP, HSRP, VRRP, Keepalived, Hearbeat, Pacemaker, Corosync,
UltraMonkey, spread&wackamole
Load Balancers – Barracuda, HAProxy, nginx, apache, brocade, KEMP, Citrix NetScaler
VoIP – freepbx, asterisk, Cisco Unified Call Manager, UCM Express, DAHDI(BRI/FXO/FXS), ATA, GSM
Gateways, SIP, SIP trunks
Monitoring – nagios, mrtg, cacti, snmp, zabbix, zenoss, smokeping
Firewall Appliances – Cisco ASA/ACS/IPS, Meraki, DELL SonicWall Firewalls, PAN, Fortinet, Juniper SRX,
pfSense
Security – Iptables, IPS/IDS, SSH, SFTP, jails, NMAP, Wireshark, tcpdump, NESSUS, NAP, dot1x, selinux,
apparmor, rkhunter, ossec, snort, etc.
WiFi – Cisco aironet series, WLC, Prime IM, EAP/RADIUS, Meraki, etc.
Windows 2003/2008/2012
Ubuntu/Debian Linux, CentOS Linux
OpenBSD, FreeBSD
Plesk, cPannel, Puppet, Webmin
——
I do everything that can be done
Specialties: Linux, Windows, Networking and Servers