Adam Lemanski
Verified Expert in Engineering
DevOps Developer
Bangkok, Thailand
Toptal member since April 1, 2020
Adam is a devops engineer with more than decade of experience in various aspects of IT and more than six years of experience in devops-related topics. He specializes in speeding up software delivery and other processes by automating all the parts around the companies' value streams.
Portfolio
Experience
- DevOps - 6 years
- GitLab CI/CD - 4 years
- Terraform - 4 years
- Kubernetes - 3 years
- Helm - 3 years
- Google Cloud Platform (GCP) - 3 years
- Azure DevOps - 2 years
- Google Kubernetes Engine (GKE) - 2 years
Preferred Environment
Amazon Web Services (AWS), Terraform, Kubernetes, GitLab, Google Cloud Platform (GCP), GitHub, Helm, Microsoft Azure, Pulumi, Azure DevOps
The most amazing...
...thing I've done is a migration to Kubernetes that enabled all developers involved to deploy their own services to production within minutes, confidently.
Work Experience
Senior DevOps Engineer
Undisclosed
- Migrated various third-party applications from standalone systems to on-premises Kubernetes.
- Maintained and improved the kubeadm-based on-prem Kubernetes platform.
- Automated the provisioning for various Azure resources, including AKS, in combination with Azure DevOps projects (landing zones).
Lead DevOps Engineer
Eko Corporation Co., Ltd.
- Introduced Kubernetes for cluster management, infrastructure reliability, and more standardized deployment.
- Introduced CI/CD pipelines via GitLab with support for a high number of different environments.
- Led and trained a team of devops engineers to skill up for the newly introduced Kubernetes-based platform.
Senior DevOps Engineer
Pixel Pusher Co., Ltd.
- Migrated all applications from Azure to GCP for a better Kubernetes experience.
- Enabled developers to deploy to production via CI/CD pipelines.
- Defined company-wide development flow to support CI/CD pipelines.
Senior DevOps Engineer
The Mobile Life
- Introduced Graylog for central logging, for easier debugging and reporting.
- Fixed bugs in the Ansible configuration management code.
- Rolled out Docker Swarm for clustering in production.
Senior DevOps Engineer
4x Software, Sdn., Bhd.
- Improved Chef configuration management with Chef Zero.
- Fixed bugs in the Chef configuration management code.
- Redesigned parts of infrastructure for better scalability.
IT System Engineer
Comdirect Bank AG
- Introduced Ansible to replace a custom developed configuration management system.
- Utilized Docker Swarm for easier cluster management.
- Implemented Consul to store startup configurations across different environments.
IT System Administrator
Hermes Europe GmbH
- Rolled out SUSE Manager for centralized system management.
- Automated Linux system provisioning via SUSE Manager.
- Improved the support flow in OTRS to direct incoming requests more efficiently.
IT System Administrator
OMCnet GmbH
- Improved the support flow in OTRS to direct customer requests more efficiently.
- Improved standardization of Linux web hosting systems for easier maintenance and easier support.
- Managed hundreds of dedicated Linux server systems.
Software Support Engineer
n.runs AG
- Developed a custom, minimal Linux distribution based on LinuxFromScratch, which became part of the company's product.
- Designed and set up the support flow in OTRS from scratch to direct customer requests efficiently.
- Led the technical screening process for further support engineer hires.
Experience
Make a Bag
Certifications
AWS Certified SysOps Administrator Associate
AWS
LFS151.x: Introduction to Cloud Infrastructure Technologies
edX
LFS161x: Introduction to DevOps: Transforming and Improving Operations
edX
Skills
Tools
Amazon Virtual Private Cloud (VPC), Google Kubernetes Engine (GKE), Amazon EKS, Helm, Ansible, Terraform, GitLab, GitLab CI/CD, AWS ELB, ELK (Elastic Stack), Logstash, Kibana, GitHub, OTRS, Puppet, Apache HTTP Server, Postfix, Nagios, Apache Tomcat, Git, Jira, Confluence, Bitbucket, Travis CI, NGINX, Chef, Instana, Vault, Docker Swarm, Graylog, Grafana, Azure Kubernetes Service (AKS), Azure Application Gateway
Paradigms
DevOps, Continuous Delivery (CD), Continuous Integration (CI), Azure DevOps
Platforms
Amazon Web Services (AWS), Amazon EC2, Kubernetes, Docker, Google Cloud Platform (GCP), Azure, Linux, LAMP, Windows Server, JBoss
Languages
Python, Bash, Ruby, Bash Script
Storage
MySQL, PostgreSQL, SUSE, Datadog, MongoDB, Elasticsearch
Other
Infrastructure as Code (IaC), AWS DevOps, CI/CD Pipelines, HTTPD, Consul, Prometheus, Microsoft Azure, Pulumi
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