Andrii
Berezniuk

Implementation of DevOps practices on different departments of the company (platform; embedded; mobile) Development and support of cloud and on-premise infrastructure. Cost optimization. Build a PaaS and IaaS solution for customers. Key Technologies stack:

• AWS (EC2; RDS; S3; Route53)
• K8s (Kops; Kubespray)
• ELK; Grafana and Prometheus
• Kafka
• Terraform
• Ansible
• Jenkins
• GitLab
• Proxmox
• Python
• Docker
• Locust

There were two projects we worked on.

Firstly, we constructed a hybrid infrastructure catering to telecommunication needs. This setup involved components on AWS and GCP clouds, as well as on-premise resources hosted on Proxmox and VMware platforms.

Secondly, we were engaged in developing an internal system exclusively based on AWS. Security was a top priority, and we implemented robust measures to ensure a highly secure system.

Key Technologies stack:

• GCP (GKE; Compute; Storage, Networking)
• AWS (EKS; EC2, RDS, VPC, PrivateLink, API Gateway, CloudFront, S3, Lambda)
• VMware and ProxMox
• Apigee, OKTA
• Splunk; Grafana and Prometheus
• Apache Kafka Confluent Cloud
• Terraform, Ansible
• Azure DevOps, GitHub Actions
• Kubernetes, ArgoCD

The project is a fully supported website hosting platform on GCP infrastructure that delivers high-speed performance and reliability. I was part of the DevOps team, my task was to implement the tasks developed by the architect and support the platform.

Key Technologies stack:

• GCP (GKE; Storage; Compute; Monitoring; Log; VPC)
• Cloudflare
• Grafana and Prometheus
• Solr
• Terraform
• Chef
• Jenkins

Architecting and implementing DevOps solutions for customers. Introducing DevOps practices with collaboration for business managers, developers, QA and Operations teams. Planning new or improving existing customer platforms. Writing IaC templates and CI/CD pipelines for infrastructure management, CI/CD pipelines for deploying software. Planning/implementing logging and monitoring solutions. Providing 24/7 support for the client, Leading the DevOps team with 4 member

• Building CI/CD process
• Working with AWS EC2, RDS, IAM, S3, ECR, ECS, SSM, SQS, Lambda, API Gateway, Route53, CloudFront, CloudFormation python sdk etc.
• Designing and developing of customized solutions based on clouds and in containers
• Support of Python applications
• Production experience with Django, Celery, Gunicorn, Redis
• Python/Bash/sh scripting
• CD/CI operations with Jenkins: pipelines, jobs, scheduled tasks
• Log management, monitoring and alerting (ELK, Prometheus, Grafana, Alertmanager)
• Troubleshooting, performance tuning, bug reports and problems solving
• Working with GCP Kubernetes Engine, Container Registry
• Build high-loaded and highly available cluster
• Experience with docker-compose, helm, git, ELK, Cerebro
• Build scalability cluster for load testing
• Build a centralized data access system with redash

Experience in team management (planning, budgeting, allocating and control of task execution, work organization of IT department). Automation of tasks executing. Providing a full stack of IT solutions for a telemarketing company

• Administration of the virtual server platform of the company based on VMware esxi
• Technical support of the office
• Development of network infrastructure (DNS, DHCP, FTP, NAT, Firewall, `VPN)
• IP telephony system support (Oktell, Asterisk)
• CRM system support
• Experience with Squid, exchange, MS SQL servers, backup via Acronis, BareOs,
• Selection and purchase of the equipment
• Communication with contractors
• Segmentation of client database
• Support GSM-gateway, NAS, 1C and АТС Oktell administration, Active Directory, Mikrotik, VPN
• Tasks assignment

The area of research is the improvement of the quality of server infrastructure management

Studied computer technologies

Issued Oct 2019 - ExpiresOct 2022 Credential ID NP2FLMW1M1111LG8

KCA: Kyverno Certified Associate

KCNA: Kubernetes and Cloud Native Associate

KCSA: Kubernetes and Cloud Native Security Associate

CKAD: Certified Kubernetes Application Developer

CKA: Certified Kubernetes Administrator

CKS: Certified Kubernetes Security Specialist

Kubestronaut

CNCF Kubestronauts