Sergo Sarkisian

Operated and evolved a Linux server landscape including on-premises mail, web, FTP, and monitoring services. Led automation initiatives with AWX/Ansible, GitLab CI/CD, and Docker, and supported monitoring tooling such as CheckMK and ELK.

Owned corporate IT infrastructure support, enforcing policies and hardening across the enterprise platform. Maintained VMware Datacenter infrastructure with Terraform, administered Linux servers using Puppet and AWX, and operated Cisco network equipment and commercial storage systems.

Administered and monitored 1,000+ Linux servers and OpenVZ containers in hosting environments using Puppet. Supported migration of workloads to Kubernetes on Google Cloud and provided infrastructure tooling for development teams and Magento customers.

Administered Linux servers, Zabbix monitoring, Oracle DB, and mail transfer agents. Managed HAProxy load-balancers, hypervisors, and logging servers, and maintained DRBD-based database replication and backups using Veeam.

Worked as a freelancer on outsourcing platforms, completing various projects as listed on the profile.

Administered OpenBSD and RedHat servers, including maintenance and support. Involved in procurement of Wimax and Redline equipment, QoS configuration, and network monitoring using tools such as SolarWinds, SNMP, Cacti, Nagios, and MRTG.

Identified, diagnosed, and resolved Level 1 and Level 2 problems for users and a network of 100 workstations in head and branch offices.

Installed customer premises ADSL equipment (routers, switches, ADSL-modems) and provided user support. Ensured all parts of the network are compatible with each other.

Currently pursuing the Cyber Security Specialist with Federal Diploma, ongoing since November 2024.

Completed a Bachelor of Science in Physics.