04/08/2024 updated

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DevOps / Cloud / Docker Engineer

Milicz, Poland BA Teleinformatik
Milicz, Poland BA Teleinformatik

Profile attachments

CV - Mateusz Buc

Amazon Web ServicesConfluenceJIRAMicrosoft AzureBash ShellUbuntu (Operating System)Configuration ManagementContinuous IntegrationDebian LinuxLinuxDevOpsElasticsearchIcingaPython (Programming Language)Cisco Nexus SwitchesOpenShiftRed Hat Enterprise LinuxLogstashAnsibleZabbixScriptingSaltstackGitlabKubernetesRancherAtlassian ToolsBitbucketPuppetKibanaTerraformAtlassian BambooDockerJenkinsArtifactory
- Amazon AWS
- Microsoft Azure
- Docker / Kubernetes / Openshift / Rancher / ArgoCD
- IaaC/Configuration Management (Ansible / Puppet / Chef / Saltstack / Terraform)
- Atlassian stack (Bitbucket / Bamboo / Confluence / Jira )
- JFrog Artifactory / Xray
- Scripting (Bash / Python)
- Nexus
- CI/CD (Jenkins/Bamboo/Gitlab)
- Linux (Debian/Ubuntu/RHEL)
- DevOps
- ELK (Elasticsearch / Logstash / Kibana)
- Zabbix, Icinga, OpsGenie

Languages

GermanFluentEnglishFluentPolishNative speaker

Project history

Senior DevOps Engineer

Bridgestone Mobility Solutions

Transport & Logistics

5000-10.000 team member

DevOps Engineer

SIX AG
Responsibilities: Migration of an Atlassian stack (JIRA, Confluence,
Bitbucket, Bamboo, Crowd) and JFrog Artifactory from Docker-Native
to OpenShift platform (including troubleshooting and performance
optimization), automation and further development of already existing
PaaS infrastructure, designing from scratch&implementing CI/CD
pipelines using Bamboo/Jenkins, own code (Bash/Groovy) and REST
API (custom calls/endpoints)

Used tools/technologies: Docker, Openshift, Bash, Bamboo,
Jenkins, Artifactory, RHEL7, Oracle 19c, Java, Groovy, Python

Windows SysOps

Siemens Schweiz AG
Responsibilities: Windows/Linux SysOps (Windows/Linux mixed
AWS Cloud environment, over 100 EC2 instances): providing cloud
environment for proprietary applications (.NET/Java), utilizing IaaC
using Terraform, automation combining Ansible & Bash/Powershell,
3rd line cloud troubleshooting (EC2, RDS, VPC, IAM)

Used tools/technologies: Ansible, Powershell, Bash, Terraform,
Amazon AWS, Windows Server 2012, RHEL7, LDAP&Active
Directory

DevOps Engineer

Swiss Re
Responsibilities: migration of a whole developers' Atlassian stack
(Bitbucket, Confluence, JIRA, Bamboo; over 1000 users) from an onpremise
data center to private cloud environment (Swisscom) using
configuration automation (Puppet);

Used tools/technologies : Puppet, Ruby, Bash, Oracle 12c, Java,
RHEL 7.x

Application Manager

SIX AG; CH
Responsibilities: Implementing a Proof-of-Concept, fully automated
application deployment process from scratch with use of containers
(Docker, Kubernetes) and Saltstack; management and deployment of




Java applications running both on Linux and Windows Servers;
improving performance of already implemented solutions (e.g.
ApolloMQ); debugging and troubleshooting; introducing DevOps
manners and tools into the team;

Used tools/technologies used : Docker, Kubernetes, Jenkins,
Artifactory, Saltstack, Java, ApolloMQ, Windows Server 2012,
RHEL 6.x/7.x, WebSphereMQ, STOMP, Oracle 12c

IT System Engineer

stylefruits GmbH
Responsibilities: administering both remote (over 200 Amazon AWS
Linux instances) and local server environments (including Windows
2008/2012 servers); maintaining LAN+WAN (CISCO, Dell) and SAN
(Dell) networks within the office; creating in-house cloud infrastructure
with OpenStack, later with VMWare ESXi; introducing continuous
deployment environment (Ruby/Clojure) with the use of Bamboo,
Docker, Chef, Mesos, Marathon;
Used tools/technologies : Redis, memcached, ELK (Elasticsearch
Logstash Kibana), Zookeeper, JIRA, Confluence, Vagrant,
Ruby/Clojure, Bamboo, Docker, Chef, Mesos, Marathon, Packer,
Ubuntu/Amazon Linux, VMWare ESXi, Windows Server
2008/2012, CISCO, Amazon AWS (EC2, RDS, Route53, Elastic
Beanstalk, Elastic Load Balancing, OpsWorks, CloudFront, S34,
CloudFormation, CloudWatch), Zabbix

Google Apps Administrator

Fast White Cat S.A.
Responsibilities : administering mail servers, Google Apps
applications; implementing Google Apps for 4000+ employees
company; implementing SSO solution

Used tools/technologies: Google Apps, Debian Linux, LDAP, SSO
(OpenAM), Bash

System Administrator

Axit Polska Sp. z o.o.
Responsibilities : administering web application servers (Red Hat),
with Java application running on WebLogic servers, implementation
of a caching system

Used tools/technologies : Linux Red Hat, Java, WebLogic, Squid,
Bash

Junior System Administrator

Call Center Inter Galactica Sp. z o.o
Responsibilities : administering web application servers (Linux Debian
and Solaris x86), providing high availability and performance,
monitoring of servers

Used tools/technologies: Linux, Debian, Bash, MySQL, PHP, VoIP
(Asterisk/FreeSwitch), HAProxy, Solaris, Apache

Help Desk Technician

Call Center Inter Galactica Sp. z o.o.
Responsibilities: maintenance, help and technical support for a VoIP
environment consisting of over 1000 hosts (Debian GNU/Linux),
troubleshooting VoIP (SIP), network (LAN/WLAN) and server
(Debian/FreeBSD) based problems, improving every day work of Help
Desk department (Bash/PHP+MySQL scrioting)

Used tools/technologies: Linux Debian, Bash, MySQL, PHP, VoIP
(Asterisk)

developer

JARSAT S.c
Responsibilities : developing LAN Management System software
using PHP&MySQL

Used tools/technologies: Linux, Bash, MySQL, PHP

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