CV George Angelopoulos

I have a passion for Linux and Open Source software and have been fortunate to work in this space since 2009. If your team can use a person with deep knowledge of Linux and related Open Source technologies, that might be me!

Contact: george@usermod.net

Canonical ⋅ Technical Support Engineer

location: Athens, Greece (remote)
duration: September 2022 - December 2022 (4 months)

At Canonical I was hired to be part of the newly formed Desktop Support Group.
I also contributed to the initial stages of Canonical’s Blender support.

Red Hat ⋅ Senior Technical Support Engineer

location: Brno, Czech Republic
duration: February 2015 - April 2019 (4 years 3 months)

At Red Hat I worked as part of the customer support team for Red Hat Enterprise Linux. I specialized in issues related to filesystems, storage and the Linux kernel.
My main responsibilities were:

• Solving technical issues for customers running RHEL such as kernel panics, out of memory events, performance issues, filesystem corruptions, lvm corruptions, storage disconnections (NAS, SAN).
• Working in a high pressure environment with response times defined in a Service-Level Agreement.
• Communicating with customers over e-mail and phone.
• Contributing to Red Hat’s Knowledge-Centered Service (KCS) knowledgebase and participating in KCS coaching.
• Conducting technical interviews.
• Mentoring new hires.
• Contributing to internal tooling and services (bash, python).

Video Sites ⋅ System Administrator

location: Athens, Greece (remote)
duration: November 2011 - April 2013 and February 2014 - January 2015 (2 years 6 months)

I worked for a collection of video-on-demand websites as a system administrator. My day-to-day responsibilities revolved around Linux system administration.
My main responsibilities were:

• Maintenance of one hundred and fifty bare-metal Linux servers.
• Provisioning new and decommissioning old production systems.
• Setting up development environments for newly hired developers.
• Provisioning and maintaining internal services for developers (e.g. internally-hosted GitLab).
• Participating in an on-call rotation responding to monitoring alerts for production systems.

In addition to day-to-day tasks, I planned and implemented a migration from an old performance graphing system (cacti) to a more flexible and, at the time, modern stack for the entire infrastructure (graphite, grafana, statsd, logstash, collectd).

thinkbinary.gr ⋅ on-site Technical Support

location: Athens, Greece
duration: March 2010 – May 2011 (1 yr 3 months)

I provided on-site technical support for small offices with Windows infrastructure.
This was a part-time position, responding based on customer support requests. Work usually involved:

• Managing Windows Active Directory servers.
• Configuring shared printers.
• Configuring smb file sharing.
• Managing user access and permissions for different teams (management, sales, engineers, etc.).
• Provisioning and decommissioning workstations.
• Assisting users with miscellaneous requests.

City Unity College ⋅ System Administrator

location: Athens, Greece
duration: September 2009 - December 2011 (2 years 4 months)

I worked in the college’s IT team during their expansion to their second building in Athens. My colleagues and I carried out the installation of all the computer equipment for the new building which included:

• Unpacking and setting up approximately one hundred workstations across computer labs and staff offices.
• Patching all of it from the patch panels into the network switches.
• Configuring network switches.
• Setting up and maintaining Windows Active directory servers.
• Maintain an openvpn network to connect the LANs of both buildings to facilitate printer and file sharing for staff.

Other day-to-day responsibilities included:

• Providing in-person assistance for college staff, professors, and students with any technical issue.
• Managing the college’s email system.
• Maintaining the existing IT infrastructure for both buildings.

Certifications

• Red Hat Certificate of Expertise in Ansible Automation
• Red Hat Certified Engineer (RHCE)

Red Hat certification ID: 150-040-954