Oleg K.
FreelancerTop Rated PlusHi, I am a Senior VoIP Software Engineer (dCAP & ITIL certified).
I do have experience and offer my services in these areas:
VoIP: Asterisk, FreePBX, Elastix, A2billing
VoIP Security & Tuning
VoIP Integration
Network Administration: Cisco, HP
System Administration: Linux (expert), BSD*(proficient)
Network Monitoring & Management: Zabbix, Cacti, NOC
Mail services: Postfix, Exim, Dovecot, Cyrus, Spamassassin
Virtualization: Qemu/KVM, OpenVZ, Proxmox
High availability: VRRP, CARP, DRBD, GFS2, GlusterFS, cman, Pacemaker
Common services: DNS, DHCP, File Sharing, NAT, iptables, ipfw
Scripting: Bash, Python
Web servers: Apache
Database servers: MySQL, PostgreSQL
Etc…
Costa Rica#2 / 1,504Top 0.13%
Oleg K. earns an estimated $11k/mo. That's 7.2× the typical freelancer and more than 99.89% of everyone we track.