Heinz-dieter Lühmann - Consulting

Düsseldorf, Germany

Experience

Dec 2022 - Jun 2023

7 months

Germany

Consulting

CH Crypto Group company for the German branch

Consulting on governance, information security, BAIT, MaRisk
Creating governance documents (guidelines, policies)
Creating emergency manuals
Based on BSI IT Baseline Protection Standard 200-4 ISO2700x

Aug 2022 - Sep 2022

2 months

Switzerland

Consulting

CH Group

Drafting and creating emergency manual based on BSI IT Baseline Protection Standard 200-4 ISO2700x

Jan 2021 - Present

3 years 7 months

Management

Aitus UG

Nov 2021 - Present

3 years 9 months

Switzerland

Consulting and Support

Finance 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 Baseline Protection 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, creation and maintenance of information networks

Nov 2020 - Oct 2021

1 year

2nd/3rd Level Support

IT service provider

Domino Notes, Linux, Jira, Confluence
Administration/installation of Domino servers on Windows Server and Linux Server, setting up clusters
Administration of Atlassian Jira Service Desk: setup and configuration of new service desk, customizing and creating request types, issue types and portal groups, creating SLAs, installing and testing new apps
Administration and setup of Atlassian Confluence: creating customer pages and spaces
Creating documentation pages and FAQs, setting up and configuring meeting sites

Jun 2020 - Nov 2020

6 months

Düsseldorf, Germany

2nd/3rd Level Support

Agency

Linux, MySQL, Azure tenant, GitLab, DNS, Pimcore, Nginx, DevOps, O365
Administration of Ubuntu VMs on Microsoft Azure, troubleshooting, mapping storage to VMs
Administration of MySQL: creating DBs and users, dumps and restores
Administration of GitLab: creating variables and running pipelines, troubleshooting and adjustments
Administration of O365: setting up distribution lists, creating groups, rooms, calendars, permissions
Managing and administering SonicWall: setting up VPN tunnels, JWT, DNS management
Using tools: Jira, Git, AAD Portal, Admin Center, PuTTY, KeePass, WinSCP, nano

Jun 2019 - Apr 2020

11 months

Münster, Germany

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)
Managing and administering IronPort Cisco C300V Email Security Appliance version 11.1.2
15 Domino servers with 2,000 users in 3 domains
Using tools: Domino Admin, Panagenda (Marvel Client Config), Helpline ticket tool

Jan 2018 - Mar 2019

1 year 3 months

Erfurt, Germany

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
Using tools: Domino Admin, HP Service Manager, Katalog Plus, Bindford 6200, NSH DB Catalog, ACAT, PuTTY
Domino administration on SLES 9–11 and Red Hat OS systems

Sep 2017 - Dec 2017

4 months

Erfurt, Germany

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
Using tools: Domino Admin, HP Service Manager, Katalog Plus, Bindford 6200, NSH DB Catalog, ACAT, PuTTY
Domino administration on SLES 9–11 and Red Hat OS systems

Jun 2017 - Aug 2017

3 months

Berlin, Germany

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VKBIT

For the Fire Society Berlin and VKB Munich / Sparkassen Finance Group

Feb 2015 - Dec 2016

1 year 11 months

Berlin, Germany

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VKBIT

For the Fire Society Berlin and VKB Munich / Sparkassen Finance Group
User, group, and directory administration
Assigning permissions in compliance with data protection and audit requirements in the life and health insurance domain
approx. 5,000 users
Ticket and order management via BMC Remedy
Tools: iManager, SCCM, Hyena, Domino Administrator
Novell administration
Windows Server administration
Lotus Domino Server administration
Server- and client-side user help desk
Advising users on creating data protection and audit-compliant AMS tickets

Feb 2014 - Jun 2014

5 months

Berlin, Germany

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GaVi

For the Fire Society Berlin and VKB Munich / Sparkassen Finance Group
Redesign of the Novell directory structure in preparation for Windows 8 migration
User, group, and directory administration
Assigning permissions in compliance with data protection and audit requirements in the life and health insurance domain
approx. 5,000 users
Ticket and order management via BMC Remedy
Tools: iManager, SCCM, Hyena, Domino Administrator
Novell administration
Windows Server administration
Lotus Domino Server administration
Server- and client-side user help desk
Advising users on creating data protection and audit-compliant AMS tickets

Oct 2013 - Jan 2014

4 months

Munich, Germany

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GaVi

For Versicherungskammer Bayern / Sparkassen Finance Group
Redesign of the Novell directory structure in preparation for Windows 8 migration
User, group, and directory administration
Assigning permissions in compliance with data protection and audit requirements in the life and health insurance domain
approx. 5,000 users
Ticket and order management via BMC Remedy
Tools: iManager, SCCM, Hyena, Domino Administrator
Novell administration
Windows Server administration
Lotus Domino Server administration
Server- and client-side user help desk
Advising users on creating data protection and audit-compliant AMS tickets

Jan 2013 - Jul 2013

7 months

Germany

Central User Administration

AOK Rheinland-Pfalz, Hessen, Saarland, Baden-Württemberg

User, group, and role administration
Assigning permissions in compliance with data protection and audit requirements in the life and health insurance domain
Administrator management
Creating, modifying, deleting user accounts for external support users
Assigning permissions for W2K, IDVS II / RACF, Oscare / SAP
Oracle applications and other applications
Second-level support for access issues
Assigning roles and permissions (SAP)
Project support for Citrix systems
Evidian IBM Content Manager

Sep 2012 - Oct 2012

2 months

On-site

Onsite Service

IT service provider

In a Windows 2008 domain
Terminal server configuration XenApp on Windows 7 and macOS
LAN troubleshooting (Ethernet)
User help desk
Setting up network printers (client and host) Windows 7 and macOS
Installation of standard and custom software

Jun 2009 - Mar 2012

2 years 10 months

Director

Aitus

Head of Service Desk for SAPV at AITUS (February 2010 – July 2011)
Industry: Medical services
Private company, 11–50 employees
IT support, consulting hardware and software including warranty management, training and support for field staff on Windows 7 and Server 2008
Remote support, delivery of hardware and software, on-call service

Jan 2009 - Dec 2013

4 years

Management

Aitus Active IT und Support Ltd

Jan 2009 - Mar 2009

3 months

Germany

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Federal Ministry

Classified

Dec 2008 - Mar 2012

3 years 4 months

Trading Floor Support

On-call 16x5 and 2x7
Windows 7, Sun Solaris, Server 2008

Jun 2008 - Nov 2008

6 months

Linux / DB Administrator, Consultant (Full-time)

T-Systems Enterprise Services GmbH

Industry: IT services, 10,001+ employees
System administration SLES 9, 10 SP1, database administration (Oracle, PostgreSQL, SQL)

Jul 2007 - Mar 2008

9 months

Lotus Domino LEI Administration

Troubleshooting, permission assignment
Migration preparation and support for internal Domino server moves

Feb 2007 - Jul 2007

6 months

Lotus Domino Server Administration

Administration of various Domino cluster environments with approx. 5,000 users
Access permissions, database management, troubleshooting
Server-side user help desk (Domino, Novell, Windows XP)
Configuration and permission assignment
Ticket and order management via Notes
Using tools: Tivoli, Domino Administrator, Designer, Netware Administrator, ConsoleOne

Jun 2005 - Dec 2006

1 year 7 months

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Energy Group

Primary responsible for ensuring LAN services
Novell NDS with 17 servers and Domino environment with 10 servers
Administration of a Domino cluster environment with 10 servers at 8 sites with ~500 users
Planning and implementing a new Domino infrastructure
Access permissions, database management, troubleshooting
Server-side user help desk (Domino 5x/6x, Novell 4x/5x/6x, Windows 2000/2003)
Directory setup and permission assignment
Ticket and order management via Notes ComIT
Using tools: ND Cerberus, Charon, Domino Administrator, ConsoleOne, network administrator

Apr 2005 - May 2005

2 months

Stuttgart, Germany

Lotus Domino Server Administration

Vacation coverage
Administration of a Domino cluster environment with 100 application servers, ~30,000 databases and 150,000 users
Operations management and reporting
Environment setup & installation
Basic installation
Middleware installation
Initial environment configuration
Monitoring setup
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 support 3rd level
Using tools: Tivoli Storage Management, Domino Administrator

Jan 2004 - Dec 2004

1 year

Paderborn, Germany

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, ~2,500 users
Access permissions, database management, troubleshooting
Server-side user help desk (Domino, Novell, W2K, NT)
DFS directory setup and permission assignment
Ticket and order management via Remedy
Using tools: Tivoli, Domino Administrator, Designer, Netware Administrator

Jan 2004 - Dec 2006

3 years

1st/2nd Level Support, Installation/Administration

MS NT/2000/2003 Server, Exchange, SQL, Outlook, Citrix

Sep 2003 - Dec 2004

4 months

Paderborn, Germany

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LAN basic services Novell, NT4.0, W2K and Notes migration
Server-side user help desk (Domino, Novell, W2K, NT)
Setting up network printers (client and host) including troubleshooting
Migration of 370 users from Exchange to Notes
Administration of 2 Notes domains with 1,800 users
Access permissions, database management, troubleshooting
Using tools: Remcon, Daem-Ware, VNC, Netware Administrator, Net Installer, Remedy

Aug 2003 - Sep 2003

2 months

On-site

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 installations
Hardware assembly and troubleshooting
Installation of standard and custom software

Mar 2003 - May 2003

3 months

Support and Migration

Steel Group

NT4.0 servers and clients to W2K and XP
Conversion 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 installations
Hardware assembly and troubleshooting
Backup setup
Client optimization (PC & notebook)
Integrating clients and notebooks into the network

Feb 2003 - Mar 2003

2 months

Migration Project Lead

IT service provider

NT4.0 servers and 60 clients to W2K and XP
Creating image installations, documentation
Image installations, share setup, drive mapping
Setting up network printers (client and host) including troubleshooting
Installing standard and custom software (SAP\R3, Office XP, Norton, McAfee)
Joining clients to the domain
User and admin training

May 2002 - Oct 2002

6 months

Project Work

Competence Center

Building a heterogeneous network environment with Windows 2000 and SUSE Linux 8.0
Planning network infrastructure
Installing and configuring a Windows 2000 server as DC (also WWW + FTP server)
Setting up a Samba file server and Sendmail mail server on Linux
Configuring a Linux server as router, DHCP, DNS server
Connecting Windows 2000 clients
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 overall structure
Installing and configuring 4 Domino servers in the overall structure
Installing Notes clients
Setting up Domino server replication
Configuring trusts
Directory replication configuration
Client installation over network / automated 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.

Jan 2001 - Dec 2004

3 years

Support

Lotus Notes R5, Lotus CCMail migration

Aug 2000 - Apr 2002

1 year 9 months

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) including troubleshooting
Mapping network drives
Image installations
Hardware assembly and troubleshooting
Installation of standard and custom software
Client optimization (PC & notebook)
Integrating PCs and notebooks into the network

Jan 1999 - Dec 2003

3 years

Management

NLL IT Service GmbH

Jan 1999 - Dec 2002

2 years

Administration

Lotus Notes/Domino

Nov 1999 - Jul 2001

1 year 9 months

PC Technician, Technical Field Service Lead

IT service provider

Scheduling 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
Repairing ~1,000 PCs of various manufacturers (e.g., Fujitsu, Fujitsu-Siemens, Medion, IBM, Haed, IPC, 4MBO, Waibel)
Image installations
Hardware assembly and troubleshooting
Installation of standard and custom software
Client optimization (PC & notebook)
Connecting PCs and notebooks to the Internet