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Arkadiusz Sieczak

DevOps Engineer

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About

In the IT industry since 2018, with 2.5 years of experience as a Support Engineer and 3 years as a DevOps Engineer. Proficient in exploring open-source tools. Personally a huge fan of Blockchain technology. I wrote master's thesis about using Blockchain in cybersecurity space.

Basic Information
Email:
[email protected]
Address:
Warsaw, Poland
Languages:
English, Polish
Professional Skills
Technologies: Kubernetes, Docker, ELK Stack, Grafana, Prometheus

Programming Languages: Python, Bash, SQL

Linux: Ubuntu Server, Alma / CentOS

DevOps tools: ArgoCD, GitLab CI, Helm, Ansible

AWS: EC2, S3, IAM, VPC

Work Experience

01.2021 - Present

PLAY
DevOps Engineer

  • Kubernetes cluster administration (on-prem)
  • Linux administration and hardering (Ubuntu)
  • ELK cluster administration - hosted on kubernetes (~190TB of data)
  • Python & Bash scripting
  • Experience with Postgres databases
  • Ansible roles and playbooks
  • Implementing Gitops practices (using ArgoCD)
  • Monitoring services and platform (using Prometheus Operator, Grafana)

07.2020 - 01.2021

PLAY
IT Systems Maintenance Specialist

  • ELK cluster administration
  • Linux adminstration (CentOS)
  • Project of rebuild existing ELK cluster (scale, improve stability, performance tuning)
  • Solving problems, maintaining stability, working with external system providers
  • Project of create external cluster for monitoring ELK infrastructure + maintenance (using Beats, Logstash, Elasticsearch, Grafana)
  • Python & Bash scripting
  • Ansible playbooks
  • CRM maintenance

06.2018 - 07.2020

PLAY
Junior IT Systems Maintenance Specialist

  • ELK cluster maintenance, improvements, changing configurations
  • Linux administration (CentOS, RHEL)
  • Monitoring services (using OP5, Grafana)
  • Issues solving from internal clients (JIRA)
  • CRM maintenance
  • Working with system providers, Technical Project Leads in order to resolve current issues

Education

2019 - 2021

Master's Degree
Blockchain Technology in Business

WARSAW SCHOOL OF INFORMATION TECHNOLOGY (WIT)

2015 - 2019

Engineer Degree
Electronics & Telecommunication

Military University of Technology

Contact Me
Feel free to contact me

Address

Warsaw, Poland

Email

[email protected]

Arkadiusz Sieczak