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A resume can say a thousand words. You can request an HR-friendly copy at the link above if this page is not satisfactory enough.


Development

Some projects and code

Cloud Computing & Virtualization

Experience with OpenStack (Nova, Keystone, Glance, Neutron, Cinder) at scale, AWS, KVM, some VMware

Applications & Technologies

Deep knowledge and understanding of many open source applications and technologies including: datacenter virtualization, IaaS, SaaS, Big Data, real-time transaction processing, web systems, RDBMS, NoSQL

Configuration Management/Automation

Experience with configuration management and related tools: Chef, SaltStack, Habitat, Ansible, fabric, Cobbler

Web Development

I have developed and maintained numerous web facing properties, the specifics cannot be disclosed due to their business nature. I don’t do personal websites, which is why this one looks the way it does.

Technologies and languages I have picked up along the way: Ruby, Python, PHP, MySQL, PostgreSQL, Perl, HTML, WordPress, Jekyll

Server Management

Deep understanding of datacenter lifecycle including installation, networking, hardware maintenance, high availability and disaster recovery, advanced configurations, decommissionings and server migrations. I have performed numerous successful server migrations on Linux/Unix systems. Migrations include moving all data, client info, configuration settings, testing and verification with zero downtime.

Operating Systems I’ve worked with: Linux (many flavors, primarily RHEL/CentOS, Ubuntu, Debian), FreeBSD, Solaris

Database Management

MySQL/Percona/MariaDB, PostgreSQL, Couchbase: planning and deploying database servers and the databases. Extensive experience creating and maintaining databases, backups, disaster recovery, replication/high-availability (master-slave, master-master, Galera)

Extensive experience scaling and optimizing database servers to handle the Oprah Effect, as well as Reddit Hugging.

Networking

Configuring and installing networks. Troubleshooting networking issues. Planned and installed LAN setups in a datacenter environment.

Technologies: Software-defined networking (SDN) with Open vSwitch (OVS) and OpenContrail, load balancers (F5 BIG-IP, Brocade, LBaaS), firewalls (Cisco, iptables, pf, FWaaS), Switches (Cisco (Nexus, Catalyst), Juniper (SRX, MX), Brocade, Dell PowerConnect), WLAN