RedHat Certified Engineer (RHCE) with 8+ years experience as Linux admin. I have worked in various environments, from enterprise to medium/large, and now to freelancing and consulting based projects.
My experience covers a broad spectrum of the Linux administration domain, from basic servicing to web clusters. I have extensive experience installing and managing Red Hat/CentOS, Debian/Ubuntu and Gentoo servers.
I can set up high concurrency, high availability/load balancing systems (Haproxy, Nginx/Apache, Varnish) and failover solutions (eg: MySQL master-master/Galera), monitoring solutions (Nagios, Munin), have excellent experience working on Amazon Cloud (AWS) and am proficient in server security hardening.
I am also RHCSA and RHCE on RHEL6/Centos6.
Willing to volunteer for linux system architecture/administration to space/science/research ventures, NGOs, NPOs, academies or other "special" projects.
Experience in administrating various Linux based services and software, focusing on but not limited to web servers administration, monitoring and performance tuning.
Designing and deploying architectures used for failover, load balancing, high concurrency, high availability, high availability over WAN, file replication and database replication systems.
Server and service security hardening
Database server & service profiling and tuning
Cloud server management
Amazon AWS suite, EC2 Auto Scaling
HAproxy, Varnish, Nginx, Apache, MySQL/MariaDB/Percona, Galera, PostgreSQL, Redis, Docker
Squid, Postfix, SpamAssassin, ClamAV+Amavis, DKIM, Domainkeys, SPF
Nagios, Munin, Graphite, StatsD, Monit, Bacula
Samba, BIND, OpenVPN, Iptables, NFS, GlusterFS
Red Hat, CentOS, Debian, Ubuntu, Gentoo (certified RHCE on RHEL6/Centos6)
Certified System Administrator
Database Fundamentals (SQL/MySQL)
CCNA2 Routing Protocols and Concepts
Unix/Linux Administration Fundamentals
Fundamentals of Unix
CCNA1 Networking Basics