Walter Sarg - Enterprise Modernization & Service Transition Leader | GRC/AI Compliance | Architecture & Digital Transformation #GRCA #GRCP

Q: Where is Walter based?

Walter is based in Vienna, Austria and can operate in on-site , hybrid , and remote work models.

Q: What languages does Walter speak?

Walter speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Walter have?

Walter has at least 22 years of experience. During this time, Walter has worked in at least 14 different roles and for 17 different companies . The average length of individual experience is 1 year and 3 months . Note that Walter may not have shared all experience and actually has more experience.

Q: What is Walter's latest experience?

Walter's most recent position is Territory Service Manager Red Hat Consulting at Major German Engineering and Technology Multinational Company .

Q: What companies has Walter worked for in recent years?

In recent years, Walter has worked for Major German Engineering and Technology Multinational Company and German Multinational Manufacturer of Luxury Vehicles and Motorcycles .

Q: Which industries is Walter most experienced in?

Walter is most experienced in industries like Banking and Finance , Information Technology , and Manufacturing . Walter also has some experience in Automotive , Retail , and Government and Administration .

Q: Which business areas is Walter most experienced in?

Walter is most experienced in business areas like Information Technology , Project Management , and Operations . Walter also has some experience in Strategy , Logistics , and Supply Chain Management .

Q: Which industries has Walter worked in recently?

Walter has recently worked in industries like Information Technology , Manufacturing , and Automotive .

Q: Which business areas has Walter worked in recently?

Walter has recently worked in business areas like Information Technology , Project Management , and Operations .

Recommended expert

Vienna, Austria

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Experience

Jan 2023 - Dec 2025

3 years

Munich, Germany

Territory Service Manager Red Hat Consulting

Major German Engineering and Technology Multinational Company

Migrating from VMware to OpenShift Virtualization, 40+ workstreams / projects in parallel (Small- to Medium Sized VM Operators / Critical Factory Workload Owners / Large-Scale Data Center Operators)

Jan 2019 - Dec 2021

3 years

Munich, Germany

Transition Project Manager and Team Lead for NTT DATA Japan Global Automotive Consulting

German Multinational Manufacturer of Luxury Vehicles and Motorcycles

Managed services transformation from local old provider (Comparex, Matrix GmbH) to new provider NTT DATA Services
All global sites and plants, compute nodes on premise or cloud
Linux / Windows / Open Stack / Oracle / Sybase / VMware / Xen
Connected drive, autonomous driving (cooperation with Alphabet)
350+ project team members onsite Germany, nearshore Romania, offshore India and US
Stakeholder management customer, NTT DATA US and external partner
TCV 57 Mio. EUR

Jan 2018 - Dec 2018

1 year

London, United Kingdom

Strategic Advisor for NTT DATA Services UK

British International Bank Group

PoC application migration to public cloud in cooperation with Google

Jan 2018 - Dec 2018

1 year

São Paulo, Brazil

Project Manager and Team Lead for Dell Services LLC Plano, Texas, US

Spanish International Bank

Mobile banking application migration from IBM mainframe to x86 Linux for approximately 11 Mio Brazilian banking users
20 project team members remote Phoenix, US and Vancouver, Canada
Stakeholder management Spain and Brasil

Jan 2017 - Dec 2017

1 year

Milan, Italy

Project Manager for Dell Services LLC Plano, Texas, US

International Italian Bank

Business Application analysis / scoping target for re-architecture
Modernizing solution stack to WebSphere Optimized Local Adapter (WOLA)

Jan 2017 - Dec 2017

1 year

Dublin, Ireland

Strategic Advisor for NTT DATA Services Ireland Ltd.

Irish International Bank

Banking application consolidation and decommissioning program,
Agile assessment phase and resulting strategy (project) plan for data center execution

Jan 2016 - Dec 2016

1 year

Kuwait

Pre-Sales and Consulting for Dell Services LLC Plano, Texas, US

Islamic Bank

Application analysis of leading Islamic retail banking application
Re-architecture to new development framework

Jan 2012 - Dec 2015

4 years

Frankfurt, Germany

Project Manager for Dell Germany in CIO Office & Roland Berger Consulting

Germany's Leading Commercial Bank

IT cost savings initiative after 2008 / 2009 financial crisis
Cost savings target: 31 Mio EUR until 2015
Legacy (AIX) platform and application decom or migration to x86 Linux
Global payment platform modernization (Frankfurt, London, New York, Singapore)

Jan 2012 - Dec 2013

2 years

Alphen aan den Rijn, Netherlands

Transition Project Manager for Dell Services LLC Plano, Texas, US

Global Information, Software, and Services Company

Outsourcing transition old provider CSC to new provider ATOS
Stakeholder management CSC, ATOS, Dell and t-systems

Jan 2011 - Dec 2012

2 years

Vienna, Austria

Consulting Team Lead

State Owned Federal Data Centre

First Private Cloud implementation in public sector in Austria
Cooperation with t-systems

Jan 2011 - Dec 2011

1 year

Prague, Czech Republic

Consulting Team Lead

Major European Pharmaceutical Company

IT outsourcing analysis ready for all IT services in the Czech Republic, Romania, and Turkey

Jan 2010 - Dec 2010

1 year

Bucharest, Romania

Consulting Team Lead

Austrian / Romanian Petrol Company

Backup and storage harmonization (Tivoli, NetBackup, EMC, etc.)
Outsourcing RFP support for the Bucharest data center

Jan 2009 - Dec 2009

1 year

Vienna, Austria

Consulting Team Lead

State-Owned Federal Data Centre

Workload analysis and migration roadmap for moving from IBM Mainframe to Unix (AIX, Solaris)
Mainframe functionality was migrated by IBM to the AIX platform based on the recommendation

Jan 2009 - Dec 2009

1 year

Prague, Czech Republic

Project Manager for AUTOCONT a.s.

State-Owned National Postal Operator

Data center consolidation from Brno to Prague

Jan 2008 - Dec 2009

2 years

Moscow, Russian Federation

Project Manager and local team lead in Moscow

Austrian International Bank

Consolidation of all data centers (all time zones) to Moscow and Saint Petersburg, 4,000 compute nodes
Analysis and preparation of the consolidation roadmap (space, cooling, and workload requirements)
Stakeholder management for the Russia HQ

Jan 2007 - Dec 2008

2 years

Dublin, Ireland

Solution Architect in project office for HP Managed Services

Irish International Bank

Branch consolidation and modernization Republic of Ireland, Northern Ireland and UK

Jan 2005 - Dec 2006

2 years

Vienna, Austria

Software Development Project Manager

Austrian Retail Bank

Greenfield development internet banking and online payment platform.

Jan 2003 - Dec 2005

3 years

Vienna, Austria

Software Development Project Manager

Global, Neutral, Non-Profit Standards Organisation

Modernizing central European supply chain (EDIFACT) gateway from IBM System z to IBM System i cluster (Cobol to RPG / Java)
16 Months development time
Adding interfaces to global EDI network (AS1, AS2, AT&T etc.)
Up to 45 team members
Stakeholder management REWE, SPAR, ADEG

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Banking and Finance, Information Technology, Manufacturing, Automotive, Government and Administration, and Retail.

Banking and Finance

Information Technology

Manufacturing

Automotive

Government and Administration

Retail

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Project Management, Operations, Strategy, Logistics, and Supply Chain Management.

Information Technology

Project Management

Operations

Strategy

Logistics

Supply Chain Management

Summary

Senior IT Transformation, Consulting, and Business Development Leader with 20+ years of global experience across enterprise architecture, data center & enterprise modernization, service transition, process digitalization, requirement engineering, governance/risk/compliance (GRC), and AI compliance. Proven track record in leading complex modernization programs, securing global consulting frameworks, and driving technology-enabled business outcomes. Skilled in stakeholder management, solution selling, and coordinating local and distributed teams across multiple geographies.

Languages

German

Native

English

Advanced

Certifications & licenses

Certified GRC Auditor (GRCA)

OCEG

Certified GRC Integrated AI Professional (IAIP)

OCEG

Certified GRC Professional (GRCP)

OCEG

FinOps Certified Practitioner

The Linux Foundation

Integrated Data Privacy Professional (IDPP)

OCEG

Microsoft Certified: Azure Fundamentals

Microsoft

Oxford Artificial Intelligence Programme

University of Oxford

Association for Project Management

PRINCE2 Registered Practitioner

Association for Project Management

Red Hat® AI Foundations Technologist Certificate

Red Hat

Red Hat® Ansible Automation Platform: Seller

Red Hat

Red Hat® Cloud Services: Seller

Red Hat

Red Hat® OpenShift: Seller

Red Hat

Red Hat® Portfolio Practitioner - Foundational

Red Hat

Red Hat® Sales Practitioner - Foundational

Red Hat

Statistics

Experience

Total positions 18

Experience in Banking and Finance 12 y

Avg length 1 y 8 m

Longest experience 3 y 11 m

Global Experience

Countries worked in 11 (Austria, Germany, Ireland, Czech Republic, United Kingdom, +6)

Primary country Austria

Expertise

Recent roles Territory Service Manager Red Hat Consulting, Transition Project Manager and Team Lead for NTT DATA Japan Global Automotive Consulting, Strategic Advisor for NTT DATA Services UK

Main industries Banking and Finance, Information Technology, Manufacturing

Main business areas Information Technology, Project Management, Operations

Qualifications

Certifications earned 15

Profile

Created

July 2026

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Frequently asked questions

Have questions? Find more information here.

Walter is based in Vienna, Austria and can operate in on-site, hybrid, and remote work models.

Walter speaks the following languages: German (Native), English (Advanced).

Walter has at least 22 years of experience. During this time, Walter has worked in at least 14 different roles and for 17 different companies. The average length of individual experience is 1 year and 3 months. Note that Walter may not have shared all experience and actually has more experience.

Based on recent experience, Walter would be well-suited for roles such as: Territory Service Manager Red Hat Consulting, Transition Project Manager and Team Lead for NTT DATA Japan Global Automotive Consulting, Strategic Advisor for NTT DATA Services UK.

Walter's most recent position is Territory Service Manager Red Hat Consulting at Major German Engineering and Technology Multinational Company.

In recent years, Walter has worked for Major German Engineering and Technology Multinational Company and German Multinational Manufacturer of Luxury Vehicles and Motorcycles.

Walter is most experienced in industries like Banking and Finance, Information Technology, and Manufacturing. Walter also has some experience in Automotive, Retail, and Government and Administration.

Walter is most experienced in business areas like Information Technology, Project Management, and Operations. Walter also has some experience in Strategy, Logistics, and Supply Chain Management.

Walter has recently worked in industries like Information Technology, Manufacturing, and Automotive.

Walter has recently worked in business areas like Information Technology, Project Management, and Operations.

Walter has 15 certificates. Among them, these include: Certified GRC Auditor (GRCA), Certified GRC Integrated AI Professional (IAIP), and Certified GRC Professional (GRCP).

Walter is immediately available part-time for suitable projects.

Walter's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

To hire Walter, click the Meet button on the profile to request a meeting and discuss your project needs.

Salary / Daily Rate Distribution

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<€800 €800-960 €960-1120 €1120-1280 €1280+

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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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Daily rate avg. 916 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

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Median rate 880 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.