a Randstad company

IT-Infrastruktur On-Premise & Cloud, Network, Storage, Compute

Infrastruktur Storage Linux AWS DevOps Cisco Rechenzentrum
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Art des Profiles
Freiberufler / Selbstständiger
Der Experte ist als Einzelperson freiberuflich oder selbstständig tätig.

8 Monate



DNS Project

Security Engineer Jira VSCode Jekyll
Security Engineer
Supporting the roll-out of an in-house developed DNS Firewall Security Solution into various Cloud environments: 
  • Testing and Implementation of a docker-based DNS Firewall solution 
  • Automation of testing-environment builds with Terraform and Ansible 
  • Roll-out of the solution on various hyperscalers (SAP Converged Cloud, AWS, GCP and Azure) 
  • Technical documentation using GitHub pages, VSCode, using Jekyll theme ?Minimal Mistakes?, Lucidcharts for drawings 
  • Project documentation with Jira
AWS GCP Azure Github
Jira VSCode Jekyll
SAP SE, Walldorf, Germany
1 Jahr 3 Monate



IT Operations

Support Engineer Rackplanung Kabelplanung Changemanagement ...
Support Engineer
IT infrastructure operations support: 
  • Technical project management for datacentre infrastructure projects (new builds, changes and decommissions 
  • Rack and cable planning, cable runbooks, rack inventory for two on-premise and one co-located datacentre 
  • ESXi/ VCenter, EMC Storage and Brocade Switch administration 
  • Change management, incident management, Problem escalation with 3rd parties (ServiceNow) 
  • Regular status reports to the customer 
  • Coordination of 3rd party technicians across several European customer sites 
VMware ESX VMware vCenter Server SAN Storage Brocade Technische Projektleitung
Rackplanung Kabelplanung Changemanagement Incident Management LAN
Abbvie Pharma, Ludwigshafen/ Frankfurt
2 Jahre 10 Monate



ADAS project

Infrastructure Architect Github Jenkins CI/CD ...
Infrastructure Architect
ADAS project in excess of 70PB, to support car sensor mass data collection (Lidar/ Radar/ Camera/ GPS sensors etc); ADAS software development environment 
  • Solution design and implementation of the IT Infrastructure, based on capacity and performance analysis: rack architecture, power and cooling requirements, cable planning, datacentre planning 
  • Dell Bigswitch networking, VMWare ESXi / VCenter cluster, Dell Isilon storage, Synology NAS. Network design, VLANs and subnetting, access lists, storage design, ESXi cluster design and implementation 
  • AWS direct connect/ AWS S3 for data exchange with 3rd parties 
  • Hosted various project related apps in AWS using Beanstalk 
  • Design and implementation of customer specific ?Hardware-in-the-loop? racks by elektrobit (automotive HW development) 
  • Implemented monitoring of the environment using Elasticstack based log aggregation, Zabbix and Observium status and performance monitoring 
  • Technical project management: Created project plans and coordinated with involved various stakeholders and suppliers 
  • Held presentations, and communicated progress and risks to internal and external management
Implemented a dedicated environment to support ADAS software development: 
  • VMware ESXi cluster-based infrastructure including Cisco Nexus networking, Quantum disk/tape storage, Dell servers 
  • Github Enterprise and Jenkins CICD for software development, Kibana job visualization 
  • VM deployment automation with Ansible and AWX/Tower, libnss for user integration into AD 
  • Logging aggregation using ELK Stack 
VMware ESX Isilon AWS Datacentre Planning
Github Jenkins CI/CD Kibana Grafana Quantum ELK
Magna Electronics, Aschaffenburg
1 Jahr 10 Monate



Infrastructure Migration

Technical Lead SAN STorage Technische Projektleitung
Technical Lead
Technical leadership and project management for a complex storage consolidation and tech refresh project, with the goal to significantly reduce OPEX costs. This was achieved by retiring legacy infrastructure and migrating clients to a more modern and cost-effective environment
  • Performed infrastructure assessments and created migration plans
  • Coordinated activities across several teams, including end-customer system admins, management, datacentre technicians, and other internal resources
  • organized meetings to discuss with the end customer?s management and admin teams, with the primary goal of minimizing downtime and risk for affected servers and applications. Created checklists compatibility matrix charts
  • Performed migration of approx. 700 hosts, coordinating work across several teams (datacentre ops, host admin, SAN admin, etc.)
  • Consolidated several SAN islands into a centralized fabric
SAN STorage Technische Projektleitung
Hewlett-Packard Enterprise Services, Frankfurt
2012 - 2013: transfer the IT infrastructure

Kunde: Cap Gemini Outsourcing, Frankfurt
Rolle: Storage Architect

Helped to transfer the IT infrastructure of MediaMarkt-Saturn Retail Group from IBM Managed Services to Cap Gemini outsourcing:
  • Helped with the design, build out and initial production phase of a new storage infrastructure. Implemented the SAN switches and fabric infrastructure, helped with setting up the EMC disk frames, performed initial provisioning, and various performance optimizations
  • Prepared documentation and developed implementation guidelines for the managed services team
  • Designed and implemented EMC Replication Manager as Disaster Recovery solution

2006 - 2012: various projects

Kunde: JP Morgan Chase Bank, Bournemouth, UK
Rolle: Storage Solution Architect

Rolle: Storage Tech Refresh Lead:
  • Planned, coordinated, and carried out various storage technology refresh / data centre consolidation and migration projects across EMEA and APAC regions, leading a team of three storage engineers
  • Responsibilities included hardware capacity planning, coordination of hardware upgrades with our suppliers, work plan scheduling, and change management for internal and external stakeholders
  • Developed an in-house solution for automation of storage migration jobs. This helped improving efficiency and reducing risk
Rolle: Storage Engineer:
  • Built various storage environments for testing the effects of increased latency on applications
  • Developed methods and best practices to optimize replication latency for applications and file systems
  • Planned and carried out forklift migrations for servers between datacentres

Bachelor of Information Technology

  • CCNA Cisco Certified Network Associate (2021)
  • AWS Certified Solutions Architect - Professional (SAA) (2020)
  • VMWare Certified Associate ? Data Centre Virtualization (VCA-DCV) (2018)
  • VMWare vSphere Installation, Configuration and Management (2018)
  • Docker Training (2018)
  • HDS Certified Storage Professional
  • EMC Certified Information Storage Associate
  • Certified Brocade Fabric Professional CBFP
  • Certified Brocade Fabric Administrator CBFA
  • Storage Networking Industry Association (SNIA Certified Professional)
  • Checkpoint Firewall-1 Certified Systems Engineer
  • Internet Security Scanner Certified Engineer
  • Microsoft Certified Systems Engineer + Internet (MCSE+I)
  • Hitachi VSP Training
  • NetApp Filer Training
  • EMC Clariion Training
  • Veritas Foundation Training (Veritas File System and Volume Manager)
  • Falconstor product Training
  • IBM Fast-T Technical Training
  • ITIL v3
  • Project Management: Managing Projects in Organizations/ Scheduling and Cost Control


Top Skills
Infrastruktur Storage Linux AWS DevOps Cisco Rechenzentrum
Produkte / Standards / Erfahrungen / Methoden
  • IT Infrastructure architect and Systems Engineer, with on-premise and cloud infrastructure experience 
  • Storage, Networking, Servers and Cloud 
  • Worked across various industries such as banking, telco, automotive, retail, pharma 
  • Migrations, consolidations, technology refresh project experience 
  • High Availability, Resiliency, Disaster Recovery planning and testing 
  • Technical project management 
  • Former professional services consultant and systems engineer for NCR corporation and Hitachi Data Systems 
  • Self-motivated, results-driven, attention to detail, problem-solver

  • Networking
    • Cisco Catalyst & Nexus switching
    • VLAN
    • Trunking
    • NAT
    • SNMP DNS
    • DHCP
    • NTP 
  • Cloud 
    • AWS EC2/ VPC/ LB/ RDS/ S3/ IAM/ Route53 
    • VMware vSphere 
  • OS
    • Ubuntu
    • RHEL
    • Solaris
    • Windows Server 
  • DevOps, Automation
    • Git
    • Github
    • Ansible
    • Jenkins
    • Gitlab-CI
    • AWX/ Ansible Tower
    • IaC: Cloudformation, Terraform 
    • Docker/ Docker-compose
  • Storage Technologies
    • DellEMC VMAX
    • VNX
    • Hitachi VSP
    • USPV DellEMC Isilon
    • NetApp
    • Quantum StorNext
    • Brocade and Cisco MDS SAN switching
    • Veeam/ Bareos/ Bacula Veritas
    • ZFS
    • LVM 
  • Monitoring
    • Zabbix/ Observium/ Cloudwatch/ ELK
    • Grafana 
  • Datacentre 
    • Data Centre Infrastructure Management
    • IP Address Management with Netbox 

Industry experience
  • Banking
    • JPMorgan Chase, Bournemouth (UK)
    • Deutsche Börse,  Frankfurt (Germany)
    • Commerzbank,  Frankfurt (Germany)
  • Automotive
    • Magna Electronics,  Aschaffenburg (Germany)
    • Bosch, Mercedes-Benz, Stuttgart (Germany)
  • IT Services
    • HP Enterprise Services, Frankfurt (Germany)
  • Retail 
    • MediaMarkt-Saturn Group,  Ingolstadt (Germany)
    • Metro AG,  Düsseldorf (Germany)
    • Tesco Ltd., Welwyn Garden City (UK)
  • Telecoms
    • Vodafone,  Düsseldorf (Germany)
    • Proximus, Brussels (Belgium)

Employment history 

2002-10 ? 2004-03
Kunde: StorageTek AG
Rolle: Consultant Online Storage 
  • Performed pre- and postales tasks for StorageTek disk systems
  • Held customer presentations and workshops 
  • Installation and integration of StorageTek disk systems at customer sites 

Kunde: NCR GmbH Germany
Rolle: Consultant Professional Services 
As a technology consultant, I participated in various international customer projects: 
  • Cisco switches, routers, firewall and VPN implementation and troubleshooting 
  • Checkpoint Firewall 1 implementation projects 
  • Implementation of NCR?s high availability solutions and other NCR products 

Kunde: University of Constance, Germany
Rolle: Network administrator 
Member of the networking team of the University Computing Centre:
  • Participated in the implementation and administration of the physical campus network infrastructure, as well as installation and maintenance switches and routers 
  • Maintenance of various network services, such as DNS, DHCP, Campus Routing, Mail Services, X.500, Remote Access 
  • Responsible for campus-wide email servers for students and personnel

  • Banking
  • Automotive
  • IT Services
  • Retail
  • Telecoms
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