1. Server OS: Cent OS 6/7; Windows Server 2008, 2012.
  2. Virtualization: VMware ESXi 4/5; vCenter.
  3. Mail Servers: Postfix, SpamAssassin.
  4. Web servers/Hosting platforms: Apache, Nginx, IIS 7/8, Plesk.
  5. Internet and networking: DNS, DHCP, FTP, VPN (Cisco, Windows).
  6. Monitoring: NewRelic, Opmanager, Nagious, Cacti, Syslog-ng + logcheck.
  7. Streaming/Messaging: Kafka, Confluent platform, MSMQ.
  8. Automation: Ansible.


  1. Servers: Dell Power Edges; IBM x Series.
  2. SAN: Equallogic PS Series, Promise.
  3. Networking: Cisco ASA 55xx; F5 BIG-IP 11/12; HP Procurve 5400, 4200 series, 2810.

Some recent projects:

  1. Successful migration of production HA BIG-IP pair from v10 to v11
  2. SSL termination on BIG-IP, enforcement for all customers, A+ rating on SSLLabs
  3. Failover configuration between two Cisco ASAs in production environment.
  4. Smooth migration of production ASA to v9 on new equipment.
  5. DR site setup, DR plan and regular testing.
  6. Automating server deployments with Ansible – Postfix, Kafka, Solr, BIG-IP.
  7. Designed and configured Postfix mail clusters for incoming and outgoing emails.



03.2013 – present, IGLOO Inc., Kitchener, ON, Canada
Senior network and systems administrator

  • Support of highly available production environment – new deployments, troubleshooting and scaling.
  • Day-to-day operations of Linux and Windows servers, including domain controllers, web, ftp, MSSQL.
  • Change management and root cause analysis.
  • Capacity planning, architectural design decisions.
  • Work closely with F5 load balancers, Cisco routers, HP switches and Dell SANs.
  • Monitoring, alerting and capacity analysis.
  • On-call 24/7 rotation.

05.2010 – 03.2013, eSolutions Group, Waterloo, ON, Canada
Network administrator, Senior Network administrator

  • Replacements, upgrades and day-to-day operations of MS Windows 2003/2008 and Linux servers, including domain controllers, web, ftp, MSSQL, Exchange and Sharepoint servers.
  • Deployment of servers and workstations in VMWare and HyperV.
  • Support of production environment (more than 200 collocation servers).
  • Sharepoint deployments – small and large server farms.
  • Support of external, internal and data center customers, on-site services.
  • Network planning, design, new deployments and upgrades, troubleshooting.

10.2008 – 04.2010, IGLOO Inc., Kitchener, ON, Canada
Network and systems administrator

  • Network support (office, lab. and prod.): deployments, upgrades, troubleshooting
  • Desktops (60-70 users), servers (around 100 incl. VMs), hardware support
  • Dell SANs, F5 load balancers, Cisco routers, HP switches
  • Phone server support (Asterisk); RT (ticketing system) – user support
  • Opmanager, syslog – monitoring; McAfee EPO administration; Script logic (patch management)

04.2008 – 10.2008, TeqDirect, Cambridge, ON, Canada
Network Technician

06.2003 – 01.2008, Representation of SKF Eurotrade, Kiev, Ukraine
System administrator, IT support




2015 – VMware vCenter Cookbook, ISBN: 9781783553976
2013 – Implementing VMware vCenter Server, ISBN: 1849689989


2016 – Confluent Operations Training for Apache Kafka
2016 – Configuring BIG-IP ASM v12.x
2016 – Configuring BIG-IP AFM v12.x
2016 – H8D08S: Deploying HP FlexCampus Technologies for ProVision Based Devices
2014 – Troubleshooting BIG-IP LTM v11
2014 – Configuring BIG-IP LTM v11
2010 – Dell Equallogic PS Series Advanced Features
2007 – Six Sigma Green Belt training (project: Improvement of speed and quality of inquiry handling process in SKF Ukraine)
2000 – 2006 National Technical University of Ukraine «Kiev Polytechnic Institute», faculty of Physics and Techniques sciences.
Bachelor: Information protection in computer networks and systems


Stained glass, AiKiDo