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Location

Poland

Rate

$39  / per hour

Years of experience

5+

About

I am currently employed as a Network Operations Center Engineer at Multi-Telekom, where I manage carrier networks, set up monitoring systems using tools such as Grafana, InfluxDB, Prometheus, and LibreNMS, and coordinate field engineers. My role also involves managing virtualized systems based on Debian and Ubuntu, creating internal systems for customer access and billing management, and overseeing MySQL databases. In addition, I have been freelancing as a Linux System Administrator and Node.js Developer at Houseware since March 2021, where I manage customer networks and virtualized environments using VMWare ESXi, Proxmox VE, Microsoft Hyper-V, and XCP-NG, while actively monitoring for security events and creating internal systems with Node.js. As a DevOps Engineer, I have been contracted with DreamProject and SimPay / Payments Solutions since August 2020. At DreamProject, I prepare development environments, maintain network services, and administer servers with Proxmox VE-based virtualization. My responsibilities also include database profiling, creating network infrastructure, and coordinating security operations. At SimPay, I create microservices architecture for the financial sector, manage RBAC for developers, set up CI/CD processes, and continuously harden network infrastructure. My previous experience includes roles as a Linux System Administrator at DX-IT, where I prepared network infrastructure for the video game sector, and as a Linux System Engineer at PALLOX Paweł Chwastek, where I managed carrier networks and implemented automation scripts. I hold an IT Technician degree and possess skills in Kubernetes, Docker, Ansible, Terraform, and various programming languages.

Tech Stack

Network, Ansible, AWS, Backend, Docker, GCP, Java, JavaScript, Kubernetes, Linux administrator, MongoDB, MySQL, Network Administrator, Node.js, Terraform

Experience

  • At Multi-Telekom and PALLOX Paweł Chwastek, responsible for managing carrier networks, ensuring efficient and reliable network operations.
  • Implemented and managed monitoring systems using tools like Grafana, InfluxDB, Prometheus, and LibreNMS across multiple roles.
  • Managed virtualized environments based on Debian, Ubuntu, VMWare ESXi, Proxmox VE, Microsoft Hyper-V, and XCP-NG, ensuring smooth and efficient virtualization operations.
  • Developed internal systems for managing customer access, billing, employee work reporting, and other business processes using Node.js and other technologies.
  • At DreamProject and other roles, administered servers and maintained network services, including setting up CI/CD processes and managing cloud infrastructure with Terraform.
  • Coordinated security operations and continuously hardened network infrastructure to ensure security and reliability.
  • Managed databases based on MySQL, MariaDB, MongoDB, and other platforms, ensuring data integrity and performance optimization.

Employment history

Network Operations Center Engineer, Multi-Telekom August 2021 — Present
  • Managing carrier network
  • Setting up monitoring systems using Grafana, InfluxDB, Prometheus, LibreNMS
  • Coordinating field engineers
  • Managing virtualized systems based on Debian and Ubuntu
  • Creating internal systems for managing customer access and billing
  • Creating internal system for employee work reporting
  • Creating Building Management System for data center
  • Managing MySQL databases
Linux System Administrator / Node.js Developer (Freelancing), Houseware March 2021 — Present
  • Managing customers’ networks and Windows systems
  • Managing Debian, RedHat, Windows Server systems
  • Managing virtualized environments based on VMWare ESXi, Proxmox VE, Microsoft Hyper-V, XCP-NG
  • Actively monitoring customers’ environments for security events
  • Profiling infrastructure for future improvements
  • Creating internal systems using Node.js
DevOps Engineer (Contract), DreamProject August 2020 — Present
  • Preparing development environments for developers
  • Maintaining network services
  • Administering servers with Proxmox VE-based virtualization
  • Database profiling configuration
  • Creating network infrastructure based on VyOS and Mikrotik
  • Coordinating security operations inside infrastructure
  • Using Terraform for managing cloud infrastructure
DevOps Engineer (Contract), SimPay / Payments Solutions August 2020 — Present
  • Preparing development environments for developers
  • Creating microservices architecture for financial sector
  • Managing RBAC for developers
  • Setting up CI/CD process for microservices
  • Continuous hardening of network infrastructure
  • Creating Elasticsearch stack
  • Monitoring system access and application logs using Kibana and Logstash
Linux System Administrator, DX-IT May 2019 — March 2021
  • Preparing network infrastructure for video games sector
  • Actively profiling network and system resources
  • Optimizing network routes
  • Managing multiple servers for gaming solutions
  • Creating automation Ansible playbooks for faster deployment
Linux System Engineer / Network Engineer, PALLOX Paweł Chwastek December 2016 — August 2020
  • Managing carrier network
  • Setting up monitoring systems using Grafana, InfluxDB, Prometheus, LibreNMS
  • Monitoring access logs using Logstash and Kibana
  • Managing security operations and network hardening
  • Managing systems with Proxmox VE-based virtualization
  • Managing XCP-NG servers
  • Creating internal systems for customer billing
  • Creating automation scripts for managing network
  • Managing databases based on MariaDB and MongoDB
  • Managing Cisco switches, MikroTik routers, Ubiquiti antennas
Intern, Linux System Administrator, Raw-Space UK May 2019 — May 2019
  • Managing virtual servers based on Debian, CentOS, Ubuntu
  • Preparing CI/CD stack and environments for developers
  • Managing NGINX web servers
  • Setting up monitoring systems using Grafana, InfluxDB, Prometheus, LibreNMS
  • Monitoring access logs using Logstash and Kibana
  • Managing security operations and network hardening

Education history

Zespół Szkół im. Władysława Szybińskiego w Cieszynie, 2016 - 2020 IT Technician
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