Experience
Jan 2022 - Present
3 years 8 months
- Managed integration of another state’s criminal investigation office into the infrastructure and services
- Further developed ITSM service reporting and defined relevant KPIs
- Planned and enhanced Microsoft SQL Server infrastructure, focusing on high availability, performance and operational integration
- Switched MS SQL and SharePoint service backup processes to Veeam Agent Backup
- Coordinated connection of the project platform to the existing central One Identity infrastructure for Active Directory management (IAM)
Jan 2020 - Dec 2022
3 years
- Defined and implemented ITSM processes for an isolated high-security environment
- Selected and evaluated various ITSM tools and coordinated implementation according to ITIL 4 (PoC, pilot and production)
- Developed and delivered monthly service level reporting
- Supported the operations team in Active Directory and MS SQL Server areas conceptually and practically
- Produced training videos on various technical topics for the internal training platform
Jan 2019 - Dec 2020
2 years
- Managed agile project for the international migration from Microsoft Skype for Business to Microsoft Teams
- Covered both cloud-based Office 365 services and on-premises voice hardware at connected sites
- Led the team and estimated project costs
- Coordinated with legal and works council on data protection aspects and approval of critical features
- Developed missing processes for approvals and service management
- Conducted true-up of used Microsoft licenses and supported the licensing team in transitioning to a new Microsoft Enterprise Agreement
- Created migration and license databases
- Wrote scripts in PowerShell and MS SQL for data collection and consolidation
Jan 2018 - Dec 2019
2 years
- Designed and executed technical split after the company spin-off, migrating about 2,000 production systems
- Focused on production-critical Windows-based MES control systems
- Synchronized international sites (Canada, USA, Europe, Asia) and minimized downtime
- Translated production site use cases into technical solutions in the target environment
- Developed the AD roles and delegation model
- Managed migration and delivery of global IT services
Jan 2017 - Dec 2018
2 years
- Jointly supported and advised various SMEs on data protection (GDPR, new German Federal Data Protection Act)
- Served as external data protection officer for several clients
- Delivered public talks on GDPR topics
Jan 2012 - Dec 2016
5 years
- Coordinated and led multiple projects such as:
- Developed a web-based mobile dashboard
- Created a tool for planning product strategies
- Advised on SOX-compliant IT policies
- Built an automated solution to identify policy relevance for IT projects
- Ensured IT compliance
- Synchronized requirements across business units
Jan 2012 - Dec 2016
5 years
- Consolidated IT technologies after company acquisitions
- Migrated users and groups into the central Active Directory environment
- Executed related Exchange mailbox migrations
- Focused on OU and GPO design
Jan 2008 - Dec 2013
6 years
- Project responsibility at CIO level for migrating the heterogeneous corporate IT (Unix, NDS, AD) into Microsoft Active Directory
- Focused on OU and GPO design
Jan 2007 - Present
18 years 8 months
- Managed process and technical coordination for commissioning various web portals
- Coordinated work packages of all involved teams (portal, middleware, web services, ERP and CRM)
Jan 2007 - Dec 2016
10 yearsFrankfurt am Main, Germany
- Developed concept for transforming global file services at all Commerzbank AG locations during outsourcing
- Role: IT architect and project manager in the first phase
- Main tasks: planned and led the transformation, coordinated interfaces (e.g. HP file service with Commerzbank encryption)
- Integrated acquired Dresdner Bank (2009)
- Key technical components: Active Directory, Citrix, Group Policies, NetApp Filer, HP EVA Storage, DNS, DHCP, IPAM with Infoblox appliances
- Impact on over 100,000 PC workstations
Jan 2006 - Dec 2007
2 years
- Planned statewide migration for the Authority for Surveying and Geoinformation Lower Saxony
- Merged NT4 domain and 53 additional NT domains into the GLL domain of the state network
- Introduced new file services via DFS and a new role concept
- Designed OU structure and GPO layout
Jan 2006 - Dec 2007
2 years
- Planned and coordinated global Active Directory rollout
- Prepared foundation for Exchange 2003 deployment
- Developed consolidation and migration concept (two AD forests, eDirectory, SSO and Oracle OCS)
Jan 2005 - Present
20 years 8 months
- Supported consolidation of 11 domains (NT, 2000, 2003) into a new Windows Server 2003 forest
- Laid groundwork for Exchange Server 2003 introduction
Jan 2005 - Present
20 years 8 months
- Developed a tool for daily automated creation of Exchange 2003 address books
- Accounted for location, department and division worldwide (61 countries)
Jan 2005 - Present
20 years 8 months
- Deployed an Active Directory
- Launched an Exchange 2003 cluster
- Migrated about 700 intraline mailboxes to Exchange via scripting
Jan 2005 - Present
20 years 8 monthsFrankfurt am Main, Germany
- Subproject lead for migration and consolidation of application and function servers (over 400 servers in 80 departments)
- Provided conceptual support for the “Exchange,” “Active Directory,” and “Migration and Deployment” subprojects
- Based on Microsoft Operations Framework (MOF)
Jan 2005 - Present
20 years 8 months
- Developed and deployed a cluster-ready Exchange 2003 reporting tool
- Measured SLA response times for email-based support and service desk requests
Jan 2004 - Dec 2005
2 years
- External technical project lead for statewide Windows NT/2003 and Exchange 5.5/2003 rollout
- Designed Active Directory structure
- Defined security policies and group policies
- Reduced costs via scripting administrative tasks
- Designed address book replication between Exchange 2003 and NDS for cadastral offices
Jan 2003 - Present
22 years 8 months
- Designed and managed statewide Windows NT/2003 and Exchange 5.5/2003 migration project
- Designed Active Directory structure
- Consolidated 13 NT domains
- Defined security policies and group policies to harden the environment according to BSI basic protection
Jan 2003 - Dec 2004
2 years
- Led technical development and implementation of a web-based reporting and monitoring system for production data
- Technologies: MS SQL Server 2000, Sybase, DB/2, ASP.NET
- Developed an Exchange integration for automated reporting
Jan 2001 - Present
24 years 8 monthsFrankfurt am Main, Germany
- Planned, installed and hardened a Windows 2000 web server farm in an isolated Active Directory high-security environment
Jan 2000 - Present
25 years 8 months
- Developed a database-driven logistics information and control system
Jan 2000 - Dec 2009
10 years
- Rolled out MS SQL-based association management DIALOG32
- Customized software to local needs (SQL queries)
- Provided long-term support
Jan 2000 - Dec 2005
6 years
- Delivered MOC trainings (Microsoft Official Curriculum) subcontracted by NET.Office GmbH Kassel
- Trained MCP, MCSE and MCDBA exam candidates
Jan 1999 - Dec 2002
4 years
- Developed member management program including dues management, invoicing and dunning
- Technology: Microsoft Visual Studio with MS SQL Server infrastructure
- Data processing in Transact-SQL
- Project initiated due to the Y2K problem
Jan 1995 - Dec 1998
4 years
- Developed industrial-grade adaptive algorithms and control systems on DSP basis
- Use cases: wind turbines, neonatal intensive care transport, space, acoustics, transonic wind tunnel, rail