Kristián Žila, Developer in Bratislava, Bratislava Region, Slovakia
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Kristián Žila

Verified Expert  in Engineering

Software Developer

Bratislava, Bratislava Region, Slovakia

Toptal member since February 6, 2019

Expertise
AWSKubernetesDockerDevOpsNginxTerraformAnsibleAWS DevOpsDNSAWS IAMMySQLJBossAmazon S3Git
Bio

Kristián has worked in systems administration and DevOps for nearly 15 years, including designing and implementing infrastructure and automation of CI/CD pipelines for financial and banking services. As an expert in AWS, OpenShift/Kubernetes, Ansible, Terraform, Bamboo, Jenkins, Bitbucket, ELK, Python, and more, he is well-positioned to tackle his next challenge.

Portfolio

Synchtank
Amazon EC2, Amazon S3 (AWS S3), Amazon Virtual Private Cloud (VPC)...
Ferratum Slovaka/Global IT Services
Bamboo, Jenkins, Docker, Ansible, Kubernetes, OpenShift, DevOps, Python...
Ferratum Slovaka/Global IT Services
Amazon Web Services (AWS), Ansible, VMware, DevOps, Python...

Experience

  • Bash - 10 years
  • Amazon Virtual Private Cloud (VPC) - 10 years
  • Docker - 7 years
  • DevOps - 7 years
  • Bamboo - 4 years
  • Amazon EC2 - 4 years
  • Ansible - 2 years
  • OpenShift - 2 years

Availability

Part-time

Preferred Environment

Ansible, Amazon Web Services (AWS), Terraform, Kubernetes, Linux

The most amazing...

...project I've completed included setting up DevOps, a CI/CD pipeline, automatic builds, deployments, and container orchestration for a financial institution.

Work Experience

Head of DevOps | Infrastructure Architect

2019 - 2024
Synchtank
  • Redesigned the AWS architecture and infrastructure using best practices. Created CI/CD pipelines and tools to manage provisioned and 100+ automatically generated environments running in EKS. Improved HA and introduced autoscaling.
  • Made changes via configuration management and infrastructure as code principles.
  • Introduced a mechanism to create hundreds of non-prod environments automatically in minutes.
  • Enforced PCI DSS compliance adherence successfully.
Technologies: Amazon EC2, Amazon S3 (AWS S3), Amazon Virtual Private Cloud (VPC), Amazon Web Services (AWS), Ansible, AWS DevOps, Bash, AWS IAM, AWS HA, DevOps, Bitbucket, DNS Configuration, Docker, Amazon CloudFront CDN, Redis, Amazon Aurora, Elasticsearch, Infrastructure as Code (IaC)

DevOps Architect

2017 - 2019
Ferratum Slovaka/Global IT Services
  • Implemented OpenShift and containerized all old applications and dozens of new microservices.
  • Completed a CI/CD pipeline with Bamboo and Jenkins for faster release cycles.
  • Helped the company's transition to DevOps. Introduced Ansible config management, containerization, and container orchestration via OpenShift.
Technologies: Bamboo, Jenkins, Docker, Ansible, Kubernetes, OpenShift, DevOps, Python, Amazon Virtual Private Cloud (VPC), AWS DevOps, AWS IAM, Elasticsearch, Amazon Web Services (AWS), Amazon CloudFront CDN

Systems Administrator

2014 - 2017
Ferratum Slovaka/Global IT Services
  • Administered Redhat Linux.
  • Administered AWS.
  • Completed Ansible config management.
Technologies: Amazon Web Services (AWS), Ansible, VMware, DevOps, Python, Amazon Virtual Private Cloud (VPC), AWS DevOps, AWS IAM, Elasticsearch

Linux System Administrator

2012 - 2014
Tempest
  • Oversaw Linux, Solaris, VMware, and SkyToll Toll system administration.
  • Set up LAMP.
Technologies: VMware, Toll Roads, JBoss, CentOS, Linux

Experience

FerraOS - Microservice/Container Platform, DevOps Transition

Leading the transition to DevOps in Ferratum. Designing CI/CD pipeline, builds and deployments, all automated. Designing and implementing OpenShift clusters - container orchestration platform. All in infrastructure as a coded way.

Education

2004 - 2011

Master's Degree in Microelectronics

Slovak Technical University/Faculty of Electrotechnics and Informatics - Slovakia

Skills

Tools

Ansible, PHP-FPM, NGINX, Bamboo, Amazon Virtual Private Cloud (VPC), Terraform, Fluentd, Zabbix, Docker Swarm, Docker Compose, ELK (Elastic Stack), Git, AWS IAM, VMware, Jira, Bitbucket, Jenkins, Amazon CloudFront CDN

Languages

Bash, Python

Paradigms

DevOps

Platforms

Amazon Web Services (AWS), Kubernetes, OpenShift, Docker, Amazon EC2, JBoss, CentOS, Linux Mint, Linux, DigitalOcean, Ubuntu

Frameworks

AWS HA

Storage

MySQL, Amazon S3 (AWS S3), Elasticsearch, Redis, Amazon Aurora

Other

Infrastructure as Code (IaC), DNS Configuration, Configuration Management, HAProxy, NFS, VMware ESXi, AWS DevOps, RHEL, Toll Roads

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