Dawid Trzebiatowski

Senior DevOps Engineer

About Me

Senior DevOps Engineer with 15+ years in IT, spanning system administration, cloud infrastructure, and CI/CD automation. Experienced with Kubernetes, Terraform, and AWS/GCP ecosystems. Background in managing large-scale mail systems, campus networks, and HA environments. MSc in Computer Science from Gdańsk University of Technology.

Skills

Linux Bash Docker Kubernetes Terraform Ansible Puppet AWS GCP ArgoCD Spinnaker Jenkins GitLab CI CircleCI KVM / Xen Networking Mail Systems HAProxy Zabbix Python PHP Git

Experience

Senior DevOps Engineer — CodiLime

2017 – Present

Kubernetes-focused projects with ArgoCD-based CD and Jenkins CI improvements. Built Terraform and Ansible integrations for Kentik Portal. Migrated CI from Jenkins to CircleCI on GCP, deployed CD via Spinnaker and Harness.io. Maintained SDN CI/CD infrastructure with Jenkins and Linux KVM.

Business Continuity Engineer — Young Digital Planet

2015 – 2017

Migrated monitoring from Nagios to Zabbix. Maintained HA applications in client infrastructure. Managed internal systems (Citrix Xen, Debian) and delivered CI tools with Jenkins.

System Administrator — Gdańsk University of Technology

2013 – 2015

Maintained mail servers and managed approximately 5,500 user mailboxes. Prepared and maintained software packages for the mail system.

IT Operator — HSO Sopot

2012 – 2013

Monitored servers and services using Zabbix. Developed additional monitoring functionality with BASH and Perl scripts.

Qt Developer — DIR Grudziądz

2011 – 2012

Developed company projects. Implemented Polycom IP phone provisioning and a dispatcher console based on Gentoo Linux.

System Administrator / PHP Developer — Nethos Gdańsk

2008 – 2011

Managed servers and services. Implemented geographically distributed Zimbra mail system. Developed the company web framework.

Side Work

DevOps Consultant Part-time — BOSCARD Dawid Trzebiatowski

2019 – Present

System administration at bezpieczny.pl. DevOps engineering at toucan.events — managing development and production environments in AWS using Terraform, designing staging infrastructure with rolling upgrades.

Network Administrator Part-time — Gdańsk University of Technology (SKOS PG)

2010 – 2018

Managed campus network servers (Debian, CentOS). Administered DHCP, SQUID, and PXE services. Automated configuration with Puppet. Migrated virtualization from XEN to KVM and mail system from Postfix to Zimbra.

Education

Master of Engineering, Computer Science 2012 – 2014

Gdańsk University of Technology — Computer Networks

Thesis: “Project and implementation of automatic firewall migration from IPv4 to IPv6 in software firewall based on Linux system”

Bachelor of Engineering, Computer Science 2007 – 2012

Gdańsk University of Technology — Computer Networks

Thesis: “Ethernet – power and energy saving”

Contact

dawid@trzebiatowski.me LinkedIn GitHub