Kai Held
AWS DevOps Cloud Engineer
Erfahrungen
Okt. 2023 - Bis heute
1 Jahr 5 MonatenBackend Python Engineer
Rohde & Schwarz SIT
Conceptualizing & development of need-to-know domain-based identity and access management in a highly secure Environment.
- Backend development (Python): API & microservice development
Apr. 2023 - Okt. 2023
7 MonatenSenior AWS DevOps Engineer
InformMe
Architecting & Developing GDPR compliant AWS Account Factory for MedTech Startup.
- Architecture: AWS Control Tower Setup, Service Catalog, CfCT Pipeline, Node.js-Lambdas
- Infrastructure as Code: AWS CDK (TypeScript), CloudFormation
- AWS Identity Center (SSO)
- Custom SCPs, Config Rules & SRA
- On-Prem Migration to ECS Fargate & Lambda
Jan. 2022 - Bis heute
2 Jahren 2 MonatenSite Reliability Engineer
Bundesdruckerei GmbH
Constructing & operating a data science platform in a highly secure environment.
- High Security Kubernetes Bootstrapping: Kubespray
- GitOps: FluxCD
- Monitoring/Logging: Prometheus, Grafana, Loki, Elasticsearch
- Storage: MinIO, Longhorn
- Authentication: Keycloak
- Infrastructure as Code (IaC): Ansible, Helm, Kustomize
- CI/CD with GitLab
Dez. 2022 - Jan. 2023
2 MonatenSenior Cloud Architect (AWS)
Volkswagen AG (via Rackspace)
Supporting Volkswagen short-term around AWS IAM & resolving several findings of an internal revision; analyzing the existing Environment and define security solutions with minimal effort.
Juli 2021 - Nov. 2022
1 Jahr 5 MonatenDevOps Engineer (AWS, Kubernetes)
Eurofins
Architecting & Engineering AWS EKS (Kubernetes) & supporting AWS Services in a Greenfield Project.
- Greenfield: Setting up & Maintaining EKS (Terraform, Crossplane)
- Kubernetes: Helm, ArgoCD, AWS LB Controller, ExternalDNS, External Secrets, Consul, EFS CSI
- Kubernetes monitoring & Logging: Prometheus, Grafana, Loki, Elastic Search
- Kubernetes security: Cluster Hardening (Bottle Rocket)
- Setting up Kubernetes Authentication via OAuth2/OIDC (PingID & AWS Cognito)
- Migrating on-prem workloads to AWS Serverless Stack: Lambda, API Gateway, Cognito, DynamoDB
- Setting up AWS Security: IAM, SSM, CloudTrail, Secret Manager
- Setting up & Maintaining Kubernetes-native development (Skaffold)
- Infrastructure as Code (Terraform, Crossplane)
- CI/CD Pipelines with Azure DevOps & GitLab
- Linux Administration (Debian, Ubuntu, RHEL)
- Programming with Bash, Python & Go
- Data Engineering (AWS RDS PostgreSQL, MS SQL)
Okt. 2020 - Juni 2021
9 MonatenAWS Cloud/DevOps Engineer
Siemens AG & Siemens Energy
Migration of on-premise B2B ELearning Platform to AWS ECS Cluster & general AWS Support for Siemens Energy Carve-Out.
- Infrastructure as Code (Terraform, Ansible)
- Setting up AWS Security: IAM, SSM, CloudTrail, Secret Manager
- Setting up SAML & OIDC Authentication
- Working with Container-Tools: Docker, ECS
- CI/CD Pipelines with GitLab
- Linux administration (Debian, Ubuntu)
- Scripting with Bash, Python, JavaScript & Go
- Data Engineering (AWS RDS PostgreSQL, MS SQL)
- Configuration and deployments of EC2 autoscaling Groups and Launch Templates with load balancing
Juni 2020 - Dez. 2022
2 Jahren 7 MonatenAWS Cloud/DevOps Engineer
ventx Gmbh
- Working on several DevOps Projects
- Architecting AWS Cloud Frameworks
- CI/CD with BitBucket, Gitlab, Jenkins and Jira
- Linux administration (Debian, Ubuntu, CentOS)
- Working with Container-Tools: Kubernetes, OpenShift, Docker
- Consulting and Support for the DevOps Teams
- Documentation of development
- Building highly available and scalable Multi-Tier AWS infrastructure
- Building serverless infrastructure with AWS Lambda, API Gateway and DynamoDB
- Infrastructure as Code with Terraform and CloudFormation
- Configuration and deployments of EC2 autoscaling Groups and Launch Templates with load balancing
Feb. 2019 - Mai 2020
1 Jahr 4 MonatenSystem Engineer
Bamberger VerlagsGruppe
- Agile project coordination (e.g. Development of MS Dynamics NAV, Helpdesk-, Wiki-Software)
- Educational data mining/scraping with Python for Learning Analytics and Business Intelligence
- Data engineering (Python: Numpy, Pandas) and maintenance of databases (MySQL, PostgreSQL)
- Web development (HTML, CSS, JavaScript) and deployment (Linux: Debian, Ubuntu, CentOS)
- Defined system standards and processes for provisioning and maintaining software on Linux
- Developed scripts for unattended installations (start scripts, installation automation, etc.)
- Maintaining on-premise server infrastructure (Windows; Linux: Debian, Ubuntu, CentOS; VMWare)
- Project budget planning (e.g. 105k € image database project, 95k € ERP development)
Mai 2015 - Feb. 2019
3 Jahren 10 MonatenDevOps Engineer (working student)
C.C.Buchner Verlag
- Creating workflows to optimize processes
- Automating tasks with Python (e.g. conversion scripts for various media outputs)
- Sub-project management and assistance
- Front- and Backend web development (e.g. shop website, ticketing system)
- Maintaining on-premise server infrastructure (Windows, Linux)
Jan. 2013 - Mai 2015
2 Jahren 5 MonatenSystem Administrator & IT-Supporter (student assistant)
Computing Centre University of Bamberg
- Maintenance of university data centre hard- and software
- Creating install-images for PCPools and maintaining hardware
- Network administration (Linux: Debian, Windows Server)
Zusammenfassung
I help businesses automate their software development and deployment processes. I have experience with a wide range of DevOps tools and platforms, and I'm always keen to learn new technologies. I'm a strong believer in DevOps principles such as collaboration, automation, and continuous improvement.
Sprachen
Deutsch
Muttersprache
Englisch
Verhandlungssicher
Polnisch
Fortgeschritten
Französisch
Grundkenntnisse
Ausbildung
Apr. 2017 - März 2020
University of Erlangen-Nuremberg
Master of Arts · Analytical Philosophy · Germany · 1.2
Okt. 2012 - März 2017