15.06.2026 aktualisiert

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Advisor & Interim Manager

Wedel, Deutschland
Weltweit
Wedel, Deutschland
Weltweit

Profilanlagen

2026-04_cv_Horst_Walther(strat)+names_2.07.pdf

Skills

Identity-Management-Systeme
Horst Walther is the managing director of the SiG Software Integration GmbH in Hamburg. He successfully operates as an Interim Manager and Management Consultant for 30+ years. His focus is on ...
- Interim management,
- Due diligence-audits and assessments of IT-shops,
- Strategy & IT-strategy developments & assessments and
- Turnaround management.
Links:
https://www.si-g.com/html/index_en.htm?page=profile&lang=en
https://www.si-g.com/html/index_en.htm?page=projects&lang=en
https://www.si-g.com/html/index_en.htm?page=public&lang=en

Sprachen

ChinesischGrundkenntnisseDeutschMutterspracheEnglischverhandlungssicherSpanischGrundkenntnisse

Projekthistorie

Lecturing about the history, current global distribution & future outlook of Artificial Intelligence

Steinbeis Augsburg Business School

Sonstiges

50-250 Mitarbeiter

  1. Artificial Intelligence for Leaders, Lecturer at the Steinbeis Augsburg Business School, Augsburg (History, origin and flavours of artificial intelligence, Global view on AI with special focus on US vs. China, Outlook and potential consequences for economy, society & politics)

Deriving an optimal architecture from applicable compliance frameworks

Versicherungen

1000-5000 Mitarbeiter

  1. Pre-Project on a best practice Identity- & Access System (Identify discrepancies between current regulatory and IT compliance frameworks in the EU (Austria, Germany), the US, UK, Australia and Hong Kong for a large insurance group in Lower Saxony, Germany, Propose measures to resolve these inconsistencies by legal, administrative and technical means., Draft an architecture, finding a balance between complete centralisation and total decentralisation of access management. , Define generic processes on the essential level for the domains identity, authorisation, policies, rules & roles, segregation of duties (SoD), privileged access, parameters and a functional taxonomy. Role: domain matter expert, consultant

Maturity assessment of Identity & Access Operation, Management & Governance processes

Versicherungen

1000-5000 Mitarbeiter

  1. Automation and internationalisation of Identity & Access Operation, Management & Governance for a large insurance group in Lower Saxony, Germany.(Determining the automation level of the Identity & Access Processes, Raising the automation level of the Identity & Access Processes, Implementing the Identity & Access Processes at all group members globally), Role: domain matter expert, consultant

Identity & Access Environment consulting & implementation support

Sonstiges

250-500 Mitarbeiter

  1. Identity & Access Environment consulting & implementation support for a Hassian Chemical Enterprise, Advising on the optimal implementation sequence of desired features, Supervising & tasking additional Scripting engineers, Interacting with the Solution Provider (EmpowerID, Clear Skye). Role: Technical & Business Consultant, Scrum Master

Interfacing Entra ID with SAP Concur, SAP Ariba & Invoicetrack

Sonstiges

250-500 Mitarbeiter

  1. Interfacing Entra ID with SAP Concur, SAP Ariba & Invoicetrack, Project Lead, Technical & Business Enabler for a Hassian Chemical Enterprise (Elaboration of the architecture and obtaining authorisation, Delivering Technical and Process advice, Coordinating all internal and external parties)

Panellist on the European Identity and Cloud Conference 2023

KuppingerCole Analysts AG

Sonstiges

10-50 Mitarbeiter

  1. Cyber Insurance Claims & Denials, Panellist on the European Identity and Cloud Conference 2023 of KuppingerCole Analysts AG, Wiesbaden

Technical due diligence of an ambitious public sector software development project

GSA - Gesellschaft für Struktur- und Arbeitsmarktentwicklung mbH, Schwerin

Öffentlicher Dienst

10-50 Mitarbeiter

Role: Auditor, Business Advisor
  1. Delivering an expertise on the status of a troubled project intending to create a flexible and fully configurable funding management system.
  2. Assessment of the underlying low-code platform as technical basis.
  3. Recommendations for the successful continuation of the project under altered conditions
  4. Planning & preparing the restart of the project

Revision and completion of the written regulations (sfO) of a specialised bank, adaptation of authorisation concepts to new regulatory requirements.

Banken und Finanzdienstleistungen

500-1000 Mitarbeiter

Role: Compliance & IT Security expert
  1. Review and revision of authorisation concepts of all banking applications.
  2. Bank-wide communication of compliance requirements and their implementation
  3. Completion of the "written regulations" (sfO) to address Bundesbank audits findings
  4. Design of IT security monitoring in the event of significant process outsourcing.

Definition & Implementation of an Identity & Access Environment after a Business Carve-Out

Industrie und Maschinenbau

250-500 Mitarbeiter

Role: Interim Identity & Access Architect
  1. Selecting and implementing an Identity & Access Management Solution (Systems: SailPoint, Omada, EmpowerID)
  2. Selecting and implementing a Privileged Access Management Solution
  3. Gradually refining the existing Identity & Access Processes
  4. Daily Issue handling & Problem Solving as part of the BAU

Completion of the IT security policies according to regulatory requirements

Banken und Finanzdienstleistungen

5000-10.000 Mitarbeiter

Role: Subject matter Expert, Deputy Project Manager
  1. Refining the selection of architecture components for component-based security policies,
  2. Briefing business line managers on the policy creation process and their respective role therein,
  3. Creation of component-based security policies corresponding to higher level policies in the corporate document pyramid,
  4. Close cooperation with business lines, internal audit, external audit, enterprise architecture and senior management.
  5. Performing end-user trainings.

Architecting the merged Identity & Access Infrastructure of a new legal entity

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

Role: Subject matter Expert
  1. Structuring, refinement & QA of existing Requirements
  2. Evaluation of the short-listed options
  3. Continuous advice & support for the implementing teams
  4. Advice for preventive SoD solution alternatives.
  5. Drafting the options for the introduction of a preventive SoD mechanism

Selection and implementation of a Privileged Access Management (PAM) System

Banken und Finanzdienstleistungen

500-1000 Mitarbeiter

Role: Subject matter expert
  1. Requirements engineering with focus on ISO2700 and BAIT.
  2. Compiling a vendor long list, applying k.o. criteria, resulting in a vendor short list
  3. Inviting vendors to a tender process, vendor self-assessment, PoC, product selection
  4. Roll out, training, piloting, stepwise transfer to BAU

Strategic Identity & Access Consulting

Swedbank, Tallinn & Stockholm

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

Role: Subject matter expert
  1. Requirements collection & engineering
  2. Re-Defining the relationship of Workforce Management to Identity & Access
  3. Outlining the Identity & Access Roadmap
  4. Design of lean Identity & Access processes
  5. Systems: SailPoint, SAP-environment

Requirements Engineering for an RFP of an Identity & Access System

Industrie und Maschinenbau

500-1000 Mitarbeiter

Role: subject matter expert
  1. Refining categorising & rephrasing of a requirements collection
  2. Validating, weighting and re-engineering of the requirements in interviews with in-house experts
  3. Creating a sophisticated evaluation schema in Excel for vendor responses to the hierarchical, weighted requirements.

Ramp-up of a change program to prove the necessary IT security for the intended digital transformation

Transport und Logistik

1000-5000 Mitarbeiter

Role: Program Manager
  1. Planning a program consisting of 9 IT Security projects
  2. Negotiating various cost estimates, contributions, and expected outcomes
  3. Setting-up a consolidated plan
  4. Communicating the justification to senior management.

Zertifikate

ITIL 4

PeopleCert

2020

ICO BlockChain Foundation

ICO International Certification Organization

2018

ITEMO Professional Scrum Product Owner

TÜV SÜD

2018

ITEMO Professional Scrum Master

TÜV SÜD

2018

Foundation in agile Project Mgt according to Scrum

TÜV SÜD

2018

Foundation in ISMS according to ISO/IEC 27001

TÜV SÜD

2016

IS Officer according to ISO/IEC 27000 series

TÜV SÜD

2016

ISO/IEC 27001 Information Security Systems Auditor

TÜV SÜD

2016

Chinese Proficiency Test HSK Level 1

Confucius Institute Online

2011

Project Management Professional (PMP)

Project Management Institute

2005


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