DevOps Engineer

12/2019 – 12/2020

Amazon Web Services (AWS), Kubernetes, Docker, Prometheus, Terraform, CirlceCI

• Introducing Kubernetes EKS on Fargate.
• Importing existing infrastructure into Terraform.
• Building Continuous Deployment to Kubernetes with CirlceCI.

DevOps

4/2019 – 3/2020

• Introducing Nomad.
• Introducing Elasticsearch for log management.
• Configuring SQUID proxy server for enhancing the security of an organization by isolating the network.

Application Development, Cyber Security, DevOps (allg.)

6/2018 – 3/2019

AWS: EC2, VPC, S3, RDS, ELB, IAM, SNS, CloudFront, CloudWatch, Elastic Beanstalk, Lambda, ECS, ECR

- Building monitoring solution with Prometheus, Alertmanager and Grafana.
- Improving and extending CI/CD setup both on technical level and by providing best practices and helping teams to achieve fast and reliable delivery.

DevOps (allg.), Software engineering / -technik

6/2017 – 6/2018

Ruby, JavaScript
AWS: EC2, VPC, S3, RDS, ElastiCache, ELB, IAM, Auto Scaling, SNS, CloudFront, CloudWatch PostgreSQL
Ubuntu

- Architecting and implementing multi-AZ infrastructure for fault-tolerant and highly available application on AWS from scratch
- Introducing Ansible
- Introducing Terraform

DevOps (allg.), Software engineering / -technik

6/2016 – 3/2017

My team and I developed the project for the government sector, which improves productivity of services for citizens.

Ruby, Ruby on Rails, RSpec, Jenkins CI, MySQL, Redis, Resque, Git, Capistrano, Ubuntu, Nginx, Unicorn, Docker.

- Team management
- Implementing Jenkins CI
- Introducing Docker to development environment
- Scaling web application
- Implementing coding conventions, applying RuboCop
- Troubleshooting performance problems (MySQL, Redis, OS) and network connection issues - Implementing monitoring (Telegraf + InfluxDB + Grafana)
- Implementing Redis replication as a read replica

DevOps (allg.), Software engineering / -technik

6/2012 – 6/2016

- Worked with ASE Sybase, MS SQL, Oracle DB, GreenPlum
- Developed analytical system for DBA (Ruby on Rails)
- Decreased up to 3 times the response time to the client
- Developed various report systems and dashboards

Microsoft SQL-Server (MS SQL), Oracle Database, Pivotal Greenplum Database, Red Hat Enterprise Linux (RHEL)