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Grzegorz Eliszewski
Verified Expert in Engineering
Software Developer
Grzegorz is a DevOps engineer experienced in creating continuous integration and continuous delivery processes, software development, and infrastructure maintenance for a variety of project sizes. A Cloud Native solutions advocate, he is also skilled in OpenShift and Kubernetes DevOps. Grzegorz is currently enjoying working with Big Data ecosystems and container orchestration.
Portfolio
Experience
Availability
Preferred Environment
OpenShift, Docker, Kubernetes, Ansible, Linux
The most amazing...
...thing I've done was enable continuous delivery for two applications. One was a huge monolith, and the second was a huge application based on micro-services.
Work Experience
DevOps Engineer
SumUp
- Managed an application hosted on Kubernetes, bare-metal Cloud, and prepared Helm charts for application deployments.
- Directed AWS infrastructure with Terraform and Terragrunt.
- Implemented monitoring based on Prometheus, Alertmanager, and Grafana.
DevOps Engineer
DXC Technology
- Managed, optimized and automated a MapR Big Data platform.
- Handled the administration, deployment and automation of a Kubernetes cluster.
- Managed as well as automated infrastructure with Ansible.
Expert IT Developer
Nordea Bank AB
- Set up deployment automation with Ansible which reduced software delivery time.
- Managed internal OpenShift cluster, and created deployments of internal applications.
- Managed CI process in Jenkins.
- Created a REST application for managing components versions in Ruby and Sinatra framework.
Software Tools/Build Engineer
Intel Technology Poland
- Created CI pipeline for HW driver.
- Managed the infrastructure with VmWare, Kubernetes, and puppet with integration testing.
- Built a system for creating Linux and Windows images for testing system. I used Packer, Puppet, Artifactory to create a fully automated Windows and Linux installation.
- Migrated the build system from Jenkins and BuildBot to QuickBuild.
Graphics Software Engineer
Intel Technology Poland
- Managed a scalable and high availability environment for microservices using Ansible as a software configuration management tool.
- Created continuous delivery for an application based on microservices.
- Created distributed RabbitMQ cluster and used queue replication to download files across multiple localizations.
Graphics Software Engineer
Intel Technology Poland
- Managed DevOps in graphics driver development team, and created Continous Integration.
- Oversaw DevOps for a huge project in Python, software development, and created a Continuous Delivery pipeline.
- Introduced building Graphics Driver in Linux Container (LXC).
- Built the Android and Linux part of a driver and developed the build system in Makefile and CMAKE.
System Operator
Wirtualna Polska S.A.
- Led Unix administration and automation.
- Migrated from Nagios to Zabbix.
- Completed Perl scripting using Nagios API.
Experience
EsioCI
http://esioci.github.ioI'm a developer of Elixir back-end and Vue.js JavaScript framework front-end.
I use this tool for my internal projects and add fixes and features as needed.
s2i - Elixir
https://github.com/es1o/s2i-elixirI've created an auto build Docker image for my internal use and decided to open source my solution and write a blog post about the deployment Elixir application to OpenShift cluster: https://blog.eliszewski.pl/continuous-delivery-for-elixir-application-with-openshift/
Vagrant OpenShift
https://github.com/es1o/vagrant-openshiftThis is a project to create a fully operational OpenShift cluster on a local machine with Vagrant and Ansible. The cluster is highly configurable.
Skills
Frameworks
Swagger, Ruby on Rails (RoR), Spark, Rkt, Hadoop
Tools
Helm, Git, Ansible, Makefile, RVM, Terraform, Gerrit, Packer, GitLab CI/CD, Jenkins, Puppet, Amazon EKS, VMware, Amazon Virtual Private Cloud (VPC), NGINX, RabbitMQ, Vagrant, GitLab, Nagios, Zabbix, CMake, Pacemaker, Corosync, SaltStack, SBT, Virtualenv, Kibana, Cloudera
Paradigms
DevOps, Continuous Integration (CI), Continuous Delivery (CD), Microservices, Test-driven Development (TDD), Unit Testing, Microservices Architecture, REST, Agile, DevSecOps
Platforms
Amazon Web Services (AWS), Kubernetes, OpenShift, Docker, Linux, Ubuntu Linux, Red Hat Linux, Red Hat OpenShift, Google Cloud Platform (GCP), CoreOS, Unix, MapR, Azure, Android
Other
QuickBuild, AWS DevOps, Monitoring, CI/CD Pipelines, AWS Auto Scaling, Scalability, Load Balancers, Orchestration, IaaS, Architecture, Consul, HAProxy, LXC, ITIL V3 Foundation Certified, Security, Robotics
Languages
Python, Python 2, Ruby, Python 3, Perl, C, C++, Elixir, Bash, Erlang
Storage
Google Cloud, Elasticsearch, PostgreSQL, Riak, MySQL, Amazon S3 (AWS S3)
Libraries/APIs
Fabric
Education
Master of Science Degree in Robotics
Gdańsk University of Technology - Gdańsk, Poland
Certifications
AWS Certified DevOps Engineer - Professional
Amazon Web Services
AWS Certified Solutions Architect - Professional
Amazon Web Services
AWS Certified Solutions Architect Associate
AWS
Certified Kubernetes Security Specialist (CKS)
Linux Foundation
GCP Associate Cloud Engineer
GCP
Certified Kubernetes Administrator
Linux Foundation
Certified OpenShift Administrator - EX280
RedHat
ITIL® Foundation certificate in IT Service Management
ACQUIROS, Inc.
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