Extensive knowledge in Linux/Unix Systems Administration
Extensive knowledge in email systems
Infrastructure as Code enthusiast
Systems and application monitoring / performance
Automation / Provisioning
Strong shell scripting skills
Basic programming skills
Webdev technologies
Troubleshooting: fixing impossible issues
Soft skills / character:
Team Leader focused on the Team
Knowledge sharing - internal trainer
Openminded
Patient
Positive attitude
Team player
Analytical and decision making skills
Cheerful
Currently interested and trying to be better in:
DevOps
Cloud
Continous Integration/Continious Delivery
Containers and orchiestration
Work Experience
Scalac
Senior DevOps Engineer
#5 - FinTech Company - Tech Lead
Our goal was to redesign and rewrite very old and flaw deployment solution for deploying the whole Application stack into the AWS. Using the modern approach and tools, focusing on security and reliability.
Tech Lead for the Enablers Team. Design, architecture, quality, code reviews and best practices for automation, deployment and security.
Main infrastructure stack:
Cloud - AWS
Infrastructure as Code - Terraform
Coniguration Management - Ansible
CI/CD - Jenkins
Containers - Docker
Database - PostgreSQL/MySQL/Oracle
SVC - Git
Scripts - Bash / Python / YAML / Jinja2
#4 - FinTech Company - Platform Engineer
- Taking care of whole delivery pipelines and environments
- Taking care of entire production environment - develop and maintenance.
- Creating new environments in AWS
- Custom made Terraform modules
Main infrastructure stack:
Cloud - AWS
Infrastructure as Code - Terraform
Orchiestration - AWS ECS
Coniguration Management - Ansible
Monitoring - Prometheus / Grafana / ELK
CI/CD - GitlabCI
Containers - Docker
Database - PostgreSQL
SVC - Git
Scripts - Bash / Python / YAML / Jinja2
#3 - SaaS Observability Platform for Kubernetes - Site Reliability Engineer
- Taking care of whole delivery pipelines and environments
- Taking care of entire production environment - develop and maintenance.
- Managing Kubernetes clusters,
- Maintaining pipelines
- Implementing new features
Main infrastructure stack:
Cloud - AWS
Infrastructure as Code - Terraform
Orchiestration - Kubernetes
Coniguration Management - Helm, Ansible
Monitoring - Prometheus / Grafana / ELK
CI/CD - GitlabCI / ArgoCD
Containers - Docker
Database - PostgreSQL
SVC - Git
Scripts - Bash / Python / YAML / Jinja2
#2 - Blockchain Project - Senior DevOps / Tech Lead
- Leading role and mentoring the Team
- Taking care of entire production environment - develop and maintenance.
- Bringing stability and modern DevOps approach into existing hybrid production environment.
- Redesigned workflows and architecture to avoid often outages and then focused on performance of applications and delivery pipeline.
- Architecture of infrastructure, cooperation with developers, proposing more efficient solutions
- Setting up cloud infrastructure (AWS) for automated deployment of different blockchain nodes and indexers (Bitcoin, Ethereum, Tezos) along with supporting applications.
- Everything in Infrastructure as Code approach, wrapped up in CI/CD with custom Docker images on different environments.
Key achievements:
- setting up whole delivery pipeline for various blockchains,
- automated infrastructure setup,
- provisioning with building custom Docker images,
- resolving performance issues with large scala data handling
Main infrastructure stack:
Cloud - AWS, DigitalOcean, Hetzner
Infrastructure as Code - Terraform
Coniguration Management - Ansible
Monitoring - Prometheus / Grafana / ELK
CI/CD - Github Actions, Jenkins
Containers - Docker
Database - PostgreSQL
SVC - Git
Blockchains - Bitcoin, Ethereum, Tezos
Scripts - Bash / Python / YAML / Jinja2
#1 - Blockchain Project - Senior DevOps / Tech Lead
- Leading role and mentoring the Team
- Architecture of infrastructure, cooperation with developers, proposing more efficient solutions
- Setting up cloud infrastructure (AWS) for automated deployment of different blockchain nodes and indexers (Bitcoin, Ethereum, Tezos) along with supporting applications.
- Everything in Infrastructure as Code approach, wrapped up in CI/CD with custom Docker images on different environments.
Key achievements:
- setting up whole delivery pipeline for various blockchains,
- automated infrastructure setup,
- provisioning with building custom Docker images,
- resolving performance issues with large scala data handling
Main infrastructure stack:
Cloud - AWS
Infrastructure as Code - Terraform
Coniguration Management - Ansible
Monitoring - Prometheus / Grafana / ELK
CI/CD - Github Actions
Containers - Docker
Database - PostgreSQL
SVC - Git
Blockchains - Bitcoin, Ethereum, Tezos
Scripts - Bash / Python / YAML / Jinja2
External contractor in internal project for Intel Technology Poland .Totally independent position, over 30 bare metal servers, more than a 1000 hosted systems. Project goal was to deliver a full Software Delivery pipeline along with tools to support Software building. We supported over 3000 developers in different global locations and timezones. We provided them a full solution to deliver a software in a modern way with best moder DevOps approach - Git server cluster merged with Code Review tools and CI/CD platform. Also we were responsible for the whole Infrastructure and many other supporting systems and extendind the environemt for the specified customers needs.
Main infrastructure stack:
Hypervisors - VMware
Infrastructure as Code / Coniguration Management - Salt / Ansible
Monitoring - Zabbix / Prometheus / Grafana / ELK
CI/CD - QuickBuild / Gitlab
Containers - Docker
Orchiestration - Kubernetes
SVC - Git
Scripts - Bash / Python / YAML / Jinja2
Key achievements:
- Builded up a team of a passionate professionals (There where 2 of us when, I've joinend - now it's 7 team members)
- Significantly reduced a technological debt
- Automated most hard and common tasks
- Extended the Team skills by various internal trainings
- Reshaped the technlogoical stack and mindset of our team and customers to bring new solutions
- Better quality and performance of delivered resources (code reviews/automation)
Key projects:
- Rebirth project - redesign whole infrastructure stack and delivery proccess
- Rewrite every core component into Infrastructure as Code tool
- Increased quality and performance of whole delivery pipeline
Totally independent position, 24/7 on call standby. Over 50 physicall servers, more than 200 containers, mostly for www hosting and development. I've inherit whole infrastracture which wasn't in a very good shape, it took some time to bring the best solutions to provide stability and security for our customers.
Main infrastructure stack - Debian, Proxmox, OpenVZ, Ansible, Zabbix, Postfix, Qmail, Nginx, Apache, AOLserver, MySQl/MariaDB, Percona, PostgreSQL
- Provided technical expertise for IT infrastructure,
implementation, optimization and upgrade.
- Performed troubleshooting and diagnosis to hardware/software
infrastructure failures, and provided solutions
- Security
- Provisioning
- Automation
- Migration some apps into the cloud
- Colaboration and support for developers team
- Technical support
Strongly independent position. Over 200 physicall servers, more than 500 containers, mostly for advanced email services and internal support systems of Poczta WP.
Poczta WP - free email services - 11 million active users
Main infrastructure stack - Solaris, OpenSolaris, CentOS, Zabbix, Qmail
- Administration and maintenance of systems and services
- Development and maintenance of Poczta WP email services
- Development and maintenance of Antispam systems
- Development and maintenance of internal support tools
- Development and maintenance of monitoring system / tools
- Automation
- Cooperation and support for developers team
- Technical support for customer care team
- Preparing and performing training sessions for other teams, including non technical staff ( explaning strict IT stuff in human language )
Technical support for users and customer care team:
- email services
- hosting / domains
- cooperation with developers and administartors teams
- developing internal support tools
- Linux / Unix Systems Administration
- Web / email hosting
- WebDev