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Profileimage by Kai Grotelueschen Technischer Leiter, Senior Consultant, Lead DevOps, Projektleiter from Berlin

Kai Grotelüschen

Berlin
available

Last update: 13.04.2024

Tech Lead, Senior Consultant, Lead DevOps , Project Manager

Company: ccbash GmbH
Graduation: not provided
Hourly-/Daily rates: show
Languages: German (Native or Bilingual) | English (Full Professional) | French (Limited professional) | Russian (Limited professional)

Keywords

Attachments

CCBA-KGR-Profil-DE-2024-04_130424.pdf
CCBA-KGR-Profil-EN-2024-04_130424.pdf
CCBA-KGR-CV-DE-2024-04_130424.pdf
CCBA-KGR-CV-EN-2024-04_130424.pdf

Skills

My passion is building strategies, teams and systems that work. I can look back on success stories where I have introduced DevOps into companies, built cloud infrastructures and transformed data centers with cost and efficiency gains.

Experience and Skills
  • 25 years of professional and project experience
  • 10 years of management and team leadership
  • DevOps, AgilOps and IT Ops with SCRUM and Kanban, among others
  • Security and compliance audits (BAIT, PCI-DSS)
  • Architecture and development of cloud infrastructures (Azure, AWS)
  • IT service management: incident, change and problem management
  • Data center virtualization (vSphere), transformation, cloud migration
  • IT automation (Terraform, Ansible, Polumi)
  • CI/CD setup and management (Jenkins, Github Actions, Gitlab CI)
  • Manage DevOps tooling (RDBMS, NoSQL, Nginx, Kafka, Docker, Kubenetes, MySQL, HaProxy, Oracle, Grafana)

Project history

03/2022 - 05/2024
Optimization of cloud infrastructure and automation (Senior DevOps Engineer)
Norddeutsche Landesbank (Banks and financial services, 5000-10.000 employees)
Optimizing the cloud infrastructure: improving automation, accelerating deployment pipelines, optimizing costs and introducing new technologies.
  • Automation: Terraform, Polumi
  • CI Pipeline: Github Actions
  • Container infrastructure: Kubernetes, Istio
  • Monitoring: Grafana, Loki, Prometheus
11/2020 - 02/2023
Operation of credit card portal (Senior IT Consultant)
Landesbank Berlin (Banks and financial services, 1000-5000 employees)
Development and operation of a banking customer portal in web and apps incl. control of the data center sub-service provider and optimization of operating processes
  • Optimization of DevOps management / organization
  • Optimization of IT infrastructure and deployment processes (Kubernetes)
  • Auditing in accordance with PCI-DSS and BAIT
  • Optimization of CI/CD pipelines (Jenkins)
12/2019 - 11/2020
Greenfield Online Bank Project (Lead DevOps Engineer)
First Iraqy Bank (Banks and financial services, 500-1000 employees)
Architecture and operation of a IT infrastructure for a online bank. Support for developer and deployment of mobile apps and micro services.
  • IT Automation with Ansible, Terraform
  • CI pipeline: Github Actions, FluxCD, Helm
  • Container Infrastructure: Kubernetes, Istio
  • IT Infrastructure: Azure, VMWare vSphere, Linux (Ubuntu)
10/2019 - 12/2019
Infrastructure Optimisation (DevOps consultant)
Mimi Hearing Technologies (Other, 50-250 employees)

Analysis and elimination of existing IT problems. Further development of IT automation solutions. Optimisation of the IT landscape based on containers.

  • IT Automation with Ansible, Terraform and Ansible Vault
  • CI/CD Deployment Pipeline with Circle CI
  • Container Orchestration: Docker Swarm
  • IT Infrastructure with DigitalOcean, Hetzner Cloud, Bare Metal
02/2019 - 08/2019
Modern IT Infrastructure Management (project lead)
ccbash (Internet and Information Technology, 10-50 employees)
Automated deployment of strategic IT infrastructures for the operation of databases, microservices, dockers and Kubernetes with Terraform and Ansible.
  • Concept Cloud Infrastructure (GCP and AWS)
  • Integration Ansible, Terraform in CI/CD
  • Automation of Monitoring and Logging (ELK)
  • Integration Healthcheck and Servicediscovery with Consul
11/2016 - 09/2018
IT Automation (project lead)
IT4IPM GmbH, GEMA (Internet and Information Technology, 1000-5000 employees)
Improvement and acceleration of configuration and deployment processes, integration into CD/CI, 200 deployments per day
  • Full Stack Automation with Ansible
  • Integration Jenkins Pipeline
  • 450% acceleration of deployment processes
  • Reduction of administrative expenses by 80%.
12/2013 - 09/2018
Head of IT Systems and Networks
IT4IPM GmbH, GEMA (Internet and Information Technology, 1000-5000 employees)
Company 
Subsidiary of GEMA; offers IT solutions for copyright and intellectual property protection

Tasks
Managing and coordinating eight employees; incident and change management; communication, management of internal, external customers and business partners; project management
01/2016 - 02/2018
Insourcing IT / Datacenter Transformation (project lead)
IT4IPM GmbH, GEMA (Internet and Information Technology, 1000-5000 employees)
Setup and design a high-availability data center for VMWare vSphere with a budget of 1.5 million Euro
  • Setup 60 ESXi hosts, storage systems with 900TB
  • Migration of 1300 virtual machines
  • Reduction of IT operating costs by 2 million euros per year

Local Availability

Only available in these countries: Germany
Profileimage by Kai Grotelueschen Technischer Leiter, Senior Consultant, Lead DevOps, Projektleiter from Berlin Tech Lead, Senior Consultant, Lead DevOps , Project Manager
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