Роман

PERSONAL INFORMATION
Roman Kruhlitskyi
Dovzhenka 9 Lviv, Ukraine
Phone: [open contact info](look above in the "contact info" section) (Mobile)
Email: [open contact info](look above in the "contact info" section)
Birthday: April 5, 1987
Marital status: Married

EDUCATION
- National University of Water and Environmental Engineering, Rivne, Ukraine 2004 – 2009
Specialist's Degree, Automation and computer-integrated technologies
- 2014 – RED HAT SYSTEM ADMINISTRATION III,“SOFTPROM”, KYIV, UKRAINE

EXPERIENCE
Lead DevOps Engineer , Everymatrix (Lviv, Ukraine) , full-time
Project: B2B Payment Platform
Nov 2023 – Present
Managing team of 3 devOps engineers and DBA.
Designing new environments clusters to launch new clients, providing support with new clients integration
Scale the platform to meet high-load requirements

EXPERIENCE
Senior DevOps Engineer , Everymatrix (Lviv, Ukraine) , full-time
Project: B2B Payment Platform
Nov 2019 – 2023
Migrated monolith applications written using .NetFramework to microservices architecture based on
Kubernetes as a platform and DotnetCore as a framework. Support to DEV and AQA teams with rolling
new microservices and features. Worked on stability and scalability of the platform.

Automation:
- Ansible
- Terraform
- Jenkins CI/CD, Jenkins shared libraries, ArgoCD, GitlabCI
Services:
- MySQL
- PostgreSQL
- Prometheus
- Kafka
- Redis
- Zookeeper
- RabbitMQ
- Zookeeper
 - Consul/Vault
- Jaeger/Zipkin
- Rancher
- Keycloak with OpenPolicy agent
- Istio service mesh for k8s

Logging and monitoring:
- Elasticsearch
- FluentD
- Vector
- Kibana
- Prometheus ecosystem
- NewRelic
- Grafana
Containers orchestration:
- Docker
- Kubernetes/Istio/OPA
- Helm
Cloud
- GCP

Senior DevOps at Epam Systems (Lviv, Ukraine), part-time
Aug 2021– Feb 2022
Project: Integration bus using Apache kafka
- Created CI/CD pipelines using Jenkins and Maven, integrated them with source code analysis
tools, such as VeraCode and SonarQube
- Integrated kubernetes cluster with client’s observability platform (ElasticSearch, Prometheus,
fluentd, Jaeger distributed tracing)
- Supported client’s team to migrate new microservices to the new platform.
- created helm charts for applications
- support to Dev and AQA teams

DevOps at Quintagroup (Lviv, Ukraine), full-time

Project: Public procurement platforms Prozorro, Prozorro.Sale

Jan 2016 – Nov 2019
Automation:
- Ansible
- Terraform
- Gitlab CI
Databases:
- MySQL
- Postgres
- CouchDB
- InfluxDB
Logging and monitoring:
 ● Elasticsearch, Logstash, Kibana
● Zabbix
● Shinken/Nagios
● Netdata+Grafana
Containers:
- Docker,
- Docker Swarm
- Nomad
- Docker-compose
Cloud:
● MS Azure
● Amazon Web Services
Virtualization:
● KVM
● XEN
● Ovirt
Linux:
● Fedora
● CentOS
● RHEL
● Ubuntu/Debian
Storage:
● Amazon S3
● GlusterFS
Network Services:
● Consul, FreeIPA, IPSecVPN, OpenVPN, HTTP, DNS, NFS, SMTP, Firewalls,
tinc VPN

Languages
○ Ukrainian (Native)
○ English (B1+)

HOBBIES & ACTIVITIES
Сooking, bicycling, guitar play, gym.