Сергей

Sergiy Markatov
Kharkiv region, Ukraine
[open contact info](look above in the "contact info" section)

Summary
Experienced DevOps Engineer/Certified Kubernetes Administrator

Work history
GlobalLogic (Apr/2025–Dec/2025) – DevOps/CloudOps Engineer
Design and develop Terraform configuration for provisioning infrastructure on AWS.
Clouds: AWS
Systems: Terraform, Linux, Windows

Innovecs (Oct/2022–Mar/2023) – DevOps Engineer
Design and develop Terraform configuration for provisioning infrastructure on AWS/OCI.
Setup integration between customer's services and Hashicorp Vault, utilizing Vault as a
secret storage and an identity provider.
Clouds: Oracle Cloud Infrastructure(OCI), AWS
Systems: Linux, Hashicorp Vault, Istio, Terraform, Helm, Kubernetes(OKE)

Oracle | TOA Technologies (Oct/2019–Sep/2022) – Software/DevOps Engineer
Design and develop Terraform configuration for provisioning infrastructure on OCI, develop
Chef-cookbooks for hosts post-provisioning and setup. Document standard operation
procedures and code-review checklists. Write down scenarios for configuration management
tools on Python/Ansible to automate daily-routine tasks; provide full-cycle support for other
 teams. Setup Hashicorp Vault integration with OCI Identity and Access management (IAM)
and Kubernetes.
Clouds: Oracle Cloud Infrastructure(OCI)
Systems: Oracle Linux, Kubernetes(OKE), Hashicorp Vault, Chef, Terraform, Python, Docker,
Helm, Jenkins, Kibana/Grafana
Data: Redis Sentinel, MySQL, Logstash, Prometheus, S3-compatible storage

Oracle | TOA Technologies (2016–2018) – Software/DevOps Engineer
Design and develop Ansible playbooks for provisioning infrastructure on Oracle on-prem
infrastructure. Setup and configure complex network setups build on VLANs; setup
firewalls(iptables, Juniper FW), load-balancing using BigF5/Nginx. Setup third-party tools like
SAML, OpenLDAP and so forth. Provide a full-cycle support of the infrastructure hosted in
Oracle on-prem hosts.
Clouds: Oracle on-prem infrastructure
Systems:Oracle Linux, Ansible, Jenkins, Nginx, PHP, KVM, OVM
Data: Redis Sentinel, MySQL

Anvileight (2014–2015) – System Administrator
Setup local network infrastructure, user and backup management. Take part in provisioning
the customer infrastructure, utilizing a wide range of tools, write down scenarios using boto,
Ansible, fabric. Administer Jenkins CI pipelines and delivery processes. Take part in writing
unit tests, web scrapping tasks.
Clouds: AWS, Google Cloud
Systems: Linux(Ubuntu, RH, CentOS), Jenkins, Odoo, TeamSity, KVM, Django, Ansible, Nginx
Data: MySQL, Redis, MongoDB

NitraLabs (2012–2014) – System Administrator
 Setup and configure office network infrastructure, user and backup management. Build
RPMs packages and perform patch management. Build web configuration for high-load web-
servers like Nginx. The full-cycle support for customers and Dev teams, setup third-party
services on-demand. Take part in setup and provisioning customer infrastructure on cloud
and on-prem infrastructure.
Clouds: on-prem customer infrastructure, AWS
Systems: Windows IIS/HyperV, Linux(Ubuntu, CentOS), Jenkins, KVM, Nginx, PHP-FPM,
Ansible
Data: MySQL-forks(MariaDB, Percona), Redis, MongoDB, Bacula, AWS S3

Technical Experience
Systems: Linux(preferred), Windows
Languages: Python, HTML, JS
Databases: MySQL, PostgreSQL; Redis, Memcached, MongoDB, etc.
Web Services: Apache, Nginx, PHP-FPM, etc.
Tools: bash, Python, Terraform, Ansible, Chef, Helm, Kustomize
Services: Hashicorp Vault, Kubernetes, etc.
Clouds: AWS, OCI

Education
1996-2001 Kharkiv National University of Radio electronics

Certificates
2025 - AWS Certified Solutions Architect – Associate
2026 - Certified Kubernetes Administrator