Heinz-dieter Lühmann
Consulting
Consulting
CH Crypto Group company for the German branch
- Consulting on governance topics, information security, BAIT, MaRisk
- Creating governance documents (guidelines, policies)
- Creating emergency manuals
- based on BSI IT-Grundschutz Standard 200-4 ISO2700x
Consulting
CH Group
- Drafting and creating emergency manual based on BSI IT-Grundschutz Standard 200-4 ISO2700x
Managing Director
Aitus UG
Consulting and support
Financial group and KVG in the large Swiss insurance group
Consulting and support on governance, information security, KAIT, KamRisk, KAGB
Consulting and support on data protection topics as part of the governance optimization project
Rewriting governance and IT-governance documents (guidelines, policies)
Creating emergency manuals, BCM concept according to KAIT requirements based on BSI IT-Grundschutz Standard 200-4 and ISO 27001
Preparing documents for PwC audit
Redesigning access management according to KAIT with separation of duties
Administration and user management and setup of RE-VC and Immopac
Vendor management
SOC for the KVG stakeholders, creating and maintaining information networks
2nd/3rd Level Support
IT service provider
Domino Notes, Linux, Jira, Confluence
Administration/installation of Domino servers on Windows Server and Linux Server, cluster setup
Administration of Atlassian Jira Service Desk: setup and configuration of new service desk, adjusting and creating request types, issue types and portal groups, creating SLAs, setting up and testing new apps.
Administration and setup of Atlassian Confluence: creating customer spaces
Creating documentation pages and FAQs, creating and configuring meeting sites
2nd/3rd Level Support
Agency
Linux, MySQL, Azure tenant, GitLab, DNS, Pimcore, Nginx, DevOps, O365
Administration of VM Ubuntu servers on Microsoft Azure, troubleshooting, mapping storage to VMs.
Administration of MySQL: creating databases and users, creating and restoring dumps
Administration of GitLab: creating variables and running pipelines, troubleshooting and adjustments
Administration of O365: setting up mail distribution lists, creating groups, rooms, calendars, permissions
Management and administration of SonicWall: setting up VPN tunnels, DNS management
Tools: Jira, Git, Azure AD portal, Admin Center, PuTTY, KeePass, WinSCP, nano
2nd Level Support
LBS West
Lotus Notes and Domino 8 and 9 and Traveler
Administration of mail databases, forwarding, distribution lists, troubleshooting mail files and calendars
MDM administration with Blackberry UEM (iPhone, iPad)
Management and administration of IronPort Cisco C300V Email Security Appliance Version 11.1.2
15 Domino servers with 2000 users in 3 domains
Tools: Domino Admin, panagenda (MarvelClient Config), Helpline ticket tool
3rd Level Support Operations
Dbsystel
- For Deutsche Bahn AG
- Lotus Notes 9
- Administration of mail databases, forwarding, distribution lists, troubleshooting mail files and calendars
- approx. 80 Domino servers with 132,000 users
- Tools: Domino Admin, HP Service Manager, Catalog Plus, Bindford 6200, Nsh DB Catalog, Acat, PuTTY
- Domino administration on SLES 09-11 and Red Hat OS systems
3rd Level Support Operations
Dbsystel
- For Deutsche Bahn AG
- Lotus Notes 9
- Administration of mail databases, forwarding, distribution lists, troubleshooting mail files and calendars
- approx. 80 Domino servers with 132,000 users
- Tools: Domino Admin, HP Service Manager, Catalog Plus, Bindford 6200, Nsh DB Catalog, Acat, PuTTY
- Domino administration on SLES 09-11 and Red Hat OS systems
VKBIT
- For Berliner Feuerversicherung and VKB Munich / Sparkassen Finance Group
VKBIT
- For Berliner Feuerversicherung and VKB Munich / Sparkassen Finance Group
- User, group and directory administration
- Assigning permissions with data protection and audit requirements in life and health insurance
- approx. 5000 users
- Ticket and order management via BMC Remedy
- Tools: iManager, SCCM, Hyena, Domino Administrator
- Administration of Novell
- Administration of Windows Server
- Administration of Lotus Domino Server
- Server and client side user help desk
- Advising users on creating data protection and audit secure AMS orders
GaVi
- For Berliner Feuerversicherung and VKB Munich / Sparkassen Finance Group
- Redesign of Novell directory structure to prepare for Windows 8 migration
- User, group and directory administration
- Assigning permissions with data protection and audit requirements in life and health insurance
- approx. 5000 users
- Ticket and order management via BMC Remedy
- Tools: iManager, SCCM, Hyena, Domino Administrator
- Administration of Novell
- Administration of Windows Server
- Administration of Lotus Domino Server
- Server and client side user help desk
- Advising users on creating data protection and audit secure AMS orders
GaVi
- For Versicherungskammer Bayern / Sparkassen Finance Group
- Redesign of Novell directory structure to prepare for Windows 8 migration
- User, group and directory administration
- Assigning permissions with data protection and audit requirements in life and health insurance
- approx. 5000 users
- Ticket and order management via BMC Remedy
- Tools: iManager, SCCM, Hyena, Domino Administrator
- Administration of Novell
- Administration of Windows Server
- Administration of Lotus Domino Server
- Server and client side user help desk
- Advising users on creating data protection and audit secure AMS orders
Central User Administration
AOK Rheinland-Pfalz, Hessen, Saarland, Baden-Württemberg
User, group and role administration
Assigning permissions with data protection and audit requirements in life and health insurance
Administration of administrators
Creating, changing, deleting user accounts of external support users
Assigning permissions for W2K, IDVS II / RACF, OSCAR/E, SAP
Oracle applications, other applications
Second-level support for access issues
Assigning roles and permissions (SAP)
Project support for Citrix systems
Evidian IBM Content Manager
Onsite Service
IT service provider
- in a Windows 2008 domain
- Terminal server configuration XenApp on Windows 7 and Mac
- LAN troubleshooting (Ethernet)
- User help desk
- Setting up network printers (client and host) Windows 7 and Mac
- Installation of standard and custom software
Director
Aitus
- Head of service desk for SAPV in-house at AITUS (Feb 2010 – Jul 2011)
- Industry: medical services
- Private company, 11-50 employees
- IT support consulting hardware and software including warranty processing. Training and support for field staff. Based on Windows 7 and Server 2008
- Remote support, supply of hardware and software. On-call duty.
Managing Director
Aitus Active IT und Support Ltd
Federal Ministry
- Classified
Trading Floor Support
- On-call duty 16x5 and 2x7
- on Windows 7, Sun Solaris, Server 2008
Linux/DB Administrator, Consultant (Full-time)
T-Systems Enterprise Services GmbH
- Industry: Information Technology & Services, 10,001+ employees
- System administration SLES 9, 10 SP1, database administration (Oracle, PostgreSQL, SQL)
Lotus Domino LEI Administration
- Troubleshooting, rights assignment
- Migration preparation and support for internal Domino server moves
Lotus Domino Server Administration
- Administration of various Domino cluster environments and approx. 5000 users
- Access rights, database management, troubleshooting
- Server-side user help desk (Domino, Novell, XP)
- Setup and rights assignment
- Ticket and order management via Notes
- Tools: Tivoli, Domino Administrator, Designer, NetWare Administrator, ConsoleOne
Energy group
- Main responsible for ensuring LAN services
- Novell NDS with 17 servers and the Domino environment with 10 servers
- Administration of a Domino cluster environment with 10 Domino servers at 8 sites with approx. 500 users
- Planning and implementing a new Domino infrastructure
- Access rights, database management, troubleshooting
- Server-side user help desk (Domino 5x, 6x; Novell 4x, 5x, 6x; Windows 2000/2003)
- Directory setup and rights assignment
- Ticket and order management via Notes ComIT
- Tools: ND Cerberus, Charon, Domino Administrator, ConsoleOne, NetWare Administrator
Lotus Domino Server Administration
- Vacation cover
- Administration of a Domino cluster environment with 100 application servers and approx. 30,000 databases and 150,000 users
- Operations management and reporting
- Environment setup & installation
- Basic installation
- Middleware installation
- Initial environment configuration
- Setup monitoring
- Environment operation
- Configuration management
- Change management
- System administration
- Middleware administration
- Performance & availability management
- System monitoring
- Problem management
- On-call duty
- 3rd level support system, middleware, application
- Tools: Tivoli Storage Management, Domino Administrator
Lotus Domino Server Administration/DFS Administration
- Administration of a Domino cluster environment and two Domino domains at two other sites with 5 mail servers and 7 application servers, approx. 2500 users
- Access rights, database management, troubleshooting
- Server-side user help desk (Domino, Novell, W2K, NT)
- DFS directory setup and rights assignment
- Ticket and order management via Remedy
- Tools: Tivoli, Domino Administrator, Designer, NetWare Administrator
1st/2nd Level Support, Installation/Administration
- MS NT/2000/2003 Server, Exchange, SQL, Outlook, Citrix
- LAN core services Novell NT4.0, W2K and migration from Notes
- Server-side user help desk (Domino, Novell, W2K, NT)
- Setting up network printers (client and host) incl. troubleshooting
- Migration of 370 users from Exchange to Notes
- Administration of 2 Notes domains with 1800 users
- Access rights, database management, troubleshooting
- Tools: Remcon, DameWare, VNC, NetWare Administrator, Net Installer, Remedy
Onsite Service
Bank
- in a Windows NT domain
- LAN troubleshooting (Ethernet)
- User help desk
- Setting up network printers (client and host)
- Mapping network drives
- Image deployments
- Hardware assembly and troubleshooting
- Installation of standard and custom software
Support and Migration
Steel group
- NT4.0 servers and clients to W2K and XP
- Switching from Token Ring to Ethernet, documentation
- Installation of standard and custom software (SAP/R3, Office XP, C3 Fax, IBM 3270, Staffware, Crypto card, Virtual CD, McAfee)
- LAN troubleshooting (Ethernet)
- Mapping network drives
- Image deployments
- Hardware assembly and troubleshooting
- Setting up backups
- Optimizing client computers (PC & notebook)
- Integrating clients and notebooks into the network
Migration Project Manager
IT service provider
- NT4.0 server and 60 clients to W2K and XP
- Creating image deployments, documentation
- Image deployments, setting up shares, mapping network drives
- Setting up network printers (client and host) incl. troubleshooting
- Installation of standard and custom software (SAP/R3, Office XP, Norton, McAfee)
- Joining clients to the domain
- User training, admin handover
Project work
Competence Center
Building a heterogeneous network environment with Windows 2000 and SUSE Linux 8.0
Network infrastructure planning
Installing and configuring a 2000 server as DC (also WWW + FTP server)
Setting up a Samba file server and mail server with Sendmail on Linux
Setting up a Linux server as router, DHCP and DNS server
Connecting clients on Windows 2000
User management
Troubleshooting
Windows 2000 Advanced Server / Lotus Domino Server 5
Building a homogeneous MS Windows 2000 network environment with 24 domain controllers in the forest
Installing and configuring 4 Domino servers in the forest
Installing the Notes clients
Setting up replication between Domino servers
Setting up trust relationships
Configuring directory replication
Client installation over the network / automatic installation
Novell NetWare 5.1
Installing and configuring a Novell NetWare 5.1 server
Installing Novell clients
User and system management
Installing Z.E.N.works
Creating login scripts
Support
- Lotus Notes R5, migration from Lotus CCMail
2nd Level Support
IT service provider
- in various Windows NT / 2000 networks
- LAN troubleshooting (Ethernet)
- User help desk / call handling / 2nd level support (Windows, Notes)
- Setting up network printers (client and host) incl. troubleshooting
- Mapping network drives
- Image deployments
- Hardware assembly and troubleshooting
- Installation of standard and custom software
- Optimizing client computers (PC & notebook)
- Integrating PCs and notebooks into the network
Managing Director
NLL IT Service GmbH
Administration
- Lotus Notes/Domino
PC Technician, Head of Field Service
IT service provider
- Scheduling of 8 internal and up to 15 external technicians
- User and technician help desk / call handling / 2nd level support (Windows 98, NT4)
- Setting up printers and scanners
- Experience repairing approx. 1000 PCs from different manufacturers like Fujitsu, Fujitsu-Siemens, Medion, IBM, HP, IPC, 4MBO, Waibel
- Image deployments
- Hardware assembly and troubleshooting
- Installation of standard and custom software
- Optimizing client computers (PC & notebook)
- Connecting PCs and notebooks to the internet
Rollout, Migration, Inventory
Team Lead Rollout
Ford Cologne
- Rollout team of 5
- Upgrading 132 Win7 PCs and laptops in 4 days
- Setting up network printers (client and host)
- Installation of standard and custom software
- At 8 locations
Vocational training in crafts · Baker
AWS Technical Professional Online
Certified Novell System Administrator 6.5
CNA
Certified Novell System Engineer 6.5
CNE
Cyber Security Practitioner (CSP)
ISACA
Data Protection Auditor (GDPR)
TÜV
Data Protection Officer (GDPR)
TÜV
Foundation Certificate in IT Service Management
ITIL
IBM Certified Associate System Administrator Lotus Notes and Domino 7
CLS
ISMS Auditor/Lead Auditor according to ISO/IEC 27001:2022 (IRCA)
TÜV
IT Security Manager
TÜV
IT Security Officer
TÜV
MX Level 1
IPC
Microsoft® Windows 2000 Professional
MCP
Microsoft® Windows 2000 Server Certified Professional
MCP
Microsoft® Windows® 2000 Certified System Administrator
MCSA
Microsoft® Windows® 2000 Certified System Engineer
MCSE
Security clearance level Ü2 according to §9 SÜG for SECRET and above
Similar Freelancers
Discover other experts with similar qualifications and experience
