Thomas Weidauer - Senior Project Manager

Q: Where is Thomas based?

Thomas is based in Neuss, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Thomas speak?

Thomas speaks the following languages: German (Native), English (Advanced), Spanish (Elementary), Russian (Elementary) .

Q: How many years of experience does Thomas have?

Thomas has at least 28 years of experience. During this time, Thomas has worked in at least 21 different roles and for 27 different companies . The average length of individual experience is 1 year . Note that Thomas may not have shared all experience and actually has more experience.

Q: What is Thomas's latest experience?

Thomas's most recent position is Senior Project Manager at Siemens / Innomotics .

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

In recent years, Thomas has worked for Siemens / Innomotics , BS Energy , Veolia Deutschland Holding , Verbund 3 Stadtwerke Bautzen/Meißen/Zittau , and International building materials group .

Q: Which industries is Thomas most experienced in?

Thomas is most experienced in industries like Energy , Banking and Finance , and Manufacturing . Thomas also has some experience in Information Technology (IT) , Utility Services , and Construction .

Q: Which business areas is Thomas most experienced in?

Thomas is most experienced in business areas like Information Technology (IT) , Project Management , and Quality Assurance (QA) . Thomas also has some experience in Procurement and Purchasing , Operations , and Human Resources (HR) .

Q: Which industries has Thomas worked in recently?

Thomas has recently worked in industries like Energy , Manufacturing , and Utility Services .

Q: Which business areas has Thomas worked in recently?

Thomas has recently worked in business areas like Project Management , Information Technology (IT) , and Procurement and Purchasing .

Recommended expert

Neuss, Germany

Experience

Nov 2024 - Present

1 year 4 months

Senior Project Manager

Siemens / Innomotics

Carve-out of HR, SuccessFactors, PeopleHub, Concur, RLP and interface systems to an external international service provider

Oct 2024 - Aug 2025

11 months

Senior Project Manager

BS Energy

Mobile access to the SAP core
Digitalization of expense reporting in FI/HR areas using Rydoo and XSuite
Cloud telephony PoC
Market view and PoC of a "digital twin" for a power plant

Jan 2024 - Feb 2025

1 year 2 months

Senior Project Manager

Veolia Deutschland Holding

SAP release update for core SAP S/4HANA
GoToGreen management, coordination with FI/CO/OTC/PtP/MM, etc.
Data anonymization, AI based on Veolia-SecureGPT
Move to cloud / AWS application landscape Lovion and subsystems
SAP RISE: migrating SAP S/4HANA core system landscape from AWS Cloud to Google Cloud (GCP)
Project initiation, risk management, stakeholder management, escalations

Aug 2022 - Aug 2023

1 year 1 month

Senior Project Manager - Overall Project Lead

Verbund 3 Stadtwerke Bautzen/Meißen/Zittau

Planning SAP replacement as ERP/EDM/CRM solution
Preparing and conducting EU-wide tenders under public law
Stakeholder management
Risk management
Six Sigma process analysis
Planning transition and operations
Implementing ITSM processes
Introducing an OT intrusion detection system including BSI audit

Jul 2022 - Apr 2024

1 year 10 months

Düsseldorf, Germany

Senior Project Manager

International building materials group

Quality improvement of international printing concept with external service provider
Introduction of barcode & scanner for production and logistics using SAP
Process improvement in mobile device management with external service provider
Implementation of SAP quality control sheets in manufacturing plants
Connecting external warehouse with its own SAP to JH SAP MM, cutover and go-live

Mar 2022 - Dec 2023

1 year 10 months

Senior Project Manager / Scrum Master

BS Energy

Provision of all operational processes for a new heat and power plant with special focus on 'production', FI/CO, materials management, IT, procurement, statutory documentation obligations including hazardous waste
Development and operational handover of an audit-proof operations logbook for a heat and power plant

Mar 2022 - Sep 2022

7 months

Senior Project Manager

Gelsenwasser AG

SAP S/4 BW on Azure – infrastructure, documentation using LeanIX
Cyber security assessment for MS Azure
Building high availability of Avaya telecom infrastructure
Project initiation for MDM redesign using smartphone as a service
Project initiation for SIEM (Security Information and Event Management) / SoC for IT and OT

Feb 2021 - Mar 2022

1 year 2 months

Senior Project Manager / Overall Project Lead

Energiequelle GmbH

Digitization of core business processes and implementation of an ERP system (including project planning, FI, CO, CRM, DMS etc.)
Introduction of methodical project management based on Prince2
Cloud readiness for the internal IT department
Requirements gathering for core business processes (SIPOC)
Capturing IT and business requirements based on SIPOC diagrams
Preparing tender documents, implementing ITIL for the vendor
Vendor selection: longlist, RFI phase to shortlist, final vendor selection and contract negotiations

Aug 2020 - Sep 2020

2 months

Düsseldorf, Germany

PMO and Project Manager

Internationaler Industriekonzern

Introduction of MS Project Online into a global SAP S/4 HANA project

Sep 2019 - Apr 2020

8 months

Düsseldorf, Germany

SAP Cut-Over Manager

Internationaler Baustoffkonzern

SAP migration for 3 countries using an agile planning method / ServiceNow
Introduction of Smartphone as a Service (EverPhone)

Jul 2019 - Jul 2019

1 month

Düsseldorf, Germany

Senior Project Manager for Agile Projects

International TV Trading Group

Review and 'Go to Green' planning of multiple infrastructure projects using agile project management

Jun 2018 - Jun 2019

1 year 1 month

Essen, Germany

Global Risk & Quality Manager SAP HR Rollout

Industrial Group

Managing risk identification and reporting to program management and the group risk officer
Designing project quality gate definitions and conducting the quality gate process

Dec 2016 - May 2018

1 year 6 months

Senior Project Manager / Overall Project Lead "IT Acceleration"

JUWI

Go to Green restructuring of the entire project landscape
Customizing and quality assurance of methodological project management to introduce agile project structures and methods
Implementing CMDB/incident management (UHD & ticketing system)/change management in a business unit
Stabilizing EKHOsoft and introducing operational processes for ERP/AX with modules CRM, DWH, DMS, OSI PI
Introducing a CMMS (Computerized Maintenance Management System)
Agile planning and implementation of the "BOOM" CMMS (Computerized Maintenance Management System), and agile software development planning with Scrum using Jira, Clarity & Confluence, and Asana
Planning, gap analysis and implementation for an ISO27001 certification

Aug 2016 - Dec 2016

5 months

Senior Project Manager

E.ON Business Services

Identity Access Management – compliance- and solution-oriented audit finding corrections in an outsourced IT environment

Jul 2016 - Dec 2016

6 months

Senior Project Manager for Transformation Outsourcing and Program Manager

Sycor GmbH

Several transition and transformation outsourcing and presales projects using traditional and agile project methodologies
Redesign of local server rooms and on-site LAN/WLAN services, managing multiple external local service providers

Aug 2015 - Jul 2016

1 year

Senior Project Manager Tranformation Outsourcing Client Banking Industries

Wincor Nixdorf / WNI

Tranformation Outsourcing Client Banking Industries
Project restructuring and go to green management
Project management transformation of the entire IT infrastructure and managed platform services
Scope: AD, DNS, DHCP, PKI, SAN, VMWare ESX / Hypervisor, RSA Authenticanion Manager, Citrix NetScaler, MS Terminal Server, Juniper / Checkpoint Firewall, LAN, WAN, WLAN, VPN, MS Windows Server 2008, 2012, 2012R2, MS SQL 2008, 2012, Apache Tomcat 6/7/8, MS IIS, WSUS, SCCM, CMDB, ITSM ITIL, Web Proxy, MS Direct Access, Backup & Restore with SAN snapshot technology
Infrastructure deployments and data migrations
Design and standardization of planning methodology (project organization, structure, master plans vs. work packages)
Reporting to key account and management

Feb 2015 - Dec 2015

11 months

Eschborn, Germany

Senior Project Manager Prince2

Bank

Future IT Workplace Project
Definition of “future workplace optional services”, including monitoring, reporting and internal billing

Jan 2015 - Feb 2015

2 months

Hanover, Germany

Senior Project Manager Prince2

KonicaMinolta

SAP UNICODE Conversion
Restructuring the project based on the internal project management standard, escalation management including a project-accompanying audit by an international auditing firm
Coordination between SAP Basis, IT FI/CO, BI, application specialists and the departments at headquarters and 5 country subsidiaries with a total of approx. 7,000 users

Jun 2013 - Dec 2014

1 year 7 months

Munich, Germany

Senior Project Manager

Energy provider

Time-critical user rollout of a new PKI system for 65,000 users, more than 300 business units worldwide
International project team with approx. 150 employees worldwide
Systems/Tools: SLA, OLA, MS Project, MindManager, Nexus PKI, SharePoint

Apr 2009 - May 2013

4 years 2 months

Düsseldorf, Germany

Senior Project / Multi Project Manager

Energy provider / Outsourcing HP

User migration of approx. 1800 users in bulk from one business unit to several target companies within the group
Setup of an internal market trading system Exxata
Upgrade of a real-time trading system Trayport 8.6.x and 8.5.x
Technical and SLA planning for a data warehouse IT data center infrastructure
Decommissioning, consolidation and centralization of IT systems
Relocation of all EBX server systems from Rotterdam to Hanover in the data center
Introduction of a virtual standard desktop in the trading environment in Germany, UK and India, for more than 400 devices and users
Hardware and software upgrade for the trading environment process IT system “SINAUT” in EBX
Migration of a legacy data center in Malmö to the group IT standards in Hanover and DR site UK, more than 45 server systems
Upgrade of hardware and software for a real-time application of a call center with multiple locations
Infrastructure planning & setup of a central Business Objects System
Various medium and small projects regarding software migrations, infrastructure deployments of central and local LAN/WLAN infrastructure & cabling, and data migrations
Design and standardization of planning methodology
Reporting to key account and management / business unit board, business units project management teams
Creation of a logical project plan, the project budget and definition of work packages
Systems/Tools: SLA, OLA, MS Project, MindManager, SAP myCRM, Sharepoint

Jan 2008 - Mar 2009

1 year 3 months

Munich, Germany

Senior Project / Multi-Project Manager

Automotive & Mechanical Engineering Corporation

LAN / DHCP redesign at HQ of a division with >2500 endpoints
Integration of newly acquired sites in Houston, Texas and London, UK into the global IT infrastructure
Technical SAP rollout in Norway, Denmark, and Sweden with intercultural project management
SAP IPC / J2EE 6.40 redesign
SAP UNICODE conversion of all MAN-SAP systems, migration from PA-RISC/HP-UX to Itanium platform with Linux, SAN expansion >16TB, upgrade to Oracle 10
Project budgeting and controlling, project budget >5 million EUR
Design and standardization of planning methodology (project organization, structure, master plans vs. work packages)
Communication with corporate management, foreign IT departments, executive board, and suppliers
SLA agreements, OLA agreements, system acceptance and production handover
Planning, leading, and motivating project teams up to 60 people
Escalation and de-escalation management
Systems/tools: SAP, IPC, J2EE, HP-UX, Linux, Oracle 10, SLA, OLA, Citrix, MS Project, MindManager

Nov 2006 - Dec 2007

1 year 2 months

Brussels, Belgium

Lead Model Office - Software Certification and Integration Laboratory

HP Belgium

IT outsourcing of KONE to HP
Creation and operation of an operational model office for global software certification
Design, consulting, and documentation for the technical and process introduction of HP OpenView software and configuration management
Configuration management infrastructure (>16,000 clients at >650 distributed sites in >40 countries)
Communication with international corporate level, HP and KONE departments worldwide
Planning software packaging and testing, preparing the rollout, customer acceptance, and resource planning
Selection, leadership, and motivation of the project team in Brussels
Systems/tools: HP OpenView Radia, AD, Citrix, MSI, MS Project, MindManager

Apr 2006 - Oct 2006

7 months

Galway, Ireland

HP OpenView Radia Consultant, IT Infrastructure Consultant, Interim Manager, Trainer

HP Ireland

Outsourcing accounts for Bekaert / Belgium, Sara Lee / Netherlands, HP Galway internal projects
Review, consulting, and documentation for the technical and process introduction of HP OpenView Radia 4.5 for multiple projects (2,500 - 15,000 clients in >40 countries)
Communication and escalation with corporate level, business units, and suppliers
Technical supervisor for script development (security scripts, hardware-level scripts like dongle scripts, MSI scripts, etc.)

Mar 2006 - Mar 2006

1 month

Vienna, Austria

HP OpenView Radia Consultant, Trainer

Telecommunications company

Review and consulting for the technical, organizational, and process introduction of HP OpenView Radia 4.x for a government agency
IT infrastructure with approx. 1,500 clients at distributed sites

Oct 2004 - May 2006

1 year 8 months

Austria

HP OpenView Radia Consultant, Infrastructure Sub-Project Manager

Hewlett Packard GmbH

HP OpenView Radia evaluation at Raiffeisen Bank headquarters in Vienna
Technical study and presentation as well as POC for software management of HP PDAs (WinCE) using HP Radia and OMBG for HP Austria
Systems/tools: HP OpenView Radia, WinCE, Windows 2000, Sun Solaris, AIX, Windows (various), OBMG, Citrix Metaframe, Windows Server 2003, Lotus Notes 5.x, 6.5, VB.NET, C++, MS Project

Nov 1999 - Dec 2004

5 years 2 months

London, United Kingdom

Radia Consultant, Subproject Manager

Deutsche Landesbankzentrale

Setup of a central global software management
Technical lead, design and implementation of an automated installation and configuration of Citrix Metaframe servers for WestLB
Infrastructure subproject lead for the design, implementation and operation of a global software management system
Planning, coordination and documentation for the technical and process-related rollout of HP Openview Radia

Jan 1997 - Nov 1999

2 years 11 months

London, United Kingdom

Technical Project Staff, Infrastructure Subproject Lead

Deutsche Bank

Operation of 2nd level support for the trading floor, W2K update
Planning, management and reporting of the W2K migration for the trading floor
Planning and rollout of an SNMP management system in a heterogeneous environment
Testing, planning and rollout of an automated enterprise antivirus solution
Integration Service Laboratory Operations: deployment in London, Project Winchester House (implementation of a consolidated trading room)
Planning, creating and testing of global software images

Jan 1997 - Dec 1997

1 year

Kelsterbach, Germany

Assistant to the Project Manager

Lufthansa Systems

Global Windows NT domain structure
Evaluation of the use of MS NT 4.0 in the existing Novell 4 environment
Planning of standardized hardware for servers and workstations

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Energy (9.5 years), Banking and Finance (9.5 years), Manufacturing (5.5 years), Information Technology (4.5 years), Utilities (4 years), and Construction (2.5 years).

Energy

Banking and Finance

Manufacturing

Information Technology

Utilities

Construction

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (27.5 years), Project Management (27.5 years), Quality Assurance (5.5 years), Procurement (3 years), Operations (2 years), and Human Resources (1.5 years).

Information Technology

Project Management

Quality Assurance

Procurement

Operations

Human Resources

Summary

I have led complex projects in various sectors such as energy, industrial, and utilities, managing SAP transitions, digitalization initiatives, IT migrations, and agile transformations. My expertise spans risk and stakeholder management, process improvement, and cloud integrations, always ensuring high standards and effective execution.

I bring years of experience in aligning IT strategies with business goals, implementing best practices across diverse environments, and mentoring teams with SCRUM, Prince2, and ITIL approaches. I am committed to delivering measurable improvements and smooth transitions in challenging and fast-paced settings.

Skills

Project Management
Tactical Program Management
Multi-project Management
Troubleshooting And Replanning / Recovery Of "Red" Projects
Supervision Of Project Managers
Portfolio Management
Coaching And Motivating
Report And Communication Management
Stakeholder Management
Steering Committees Up To C-level
Budget Management, Cost And Cost-center Management
Technical And Commercial Proposal Creation For Non-standard Offers
Escalations And De-escalations
Risk Management, Problem Management
Customer Support Management, Process Definitions, Quality Assurance Management
Requirements Engineering (Re) / Requirements Gathering
Negotiations Of Service Contracts, Rollout Management
Change Management
Design, Consulting And Implementation Of High-availability It Infrastructure Systems
Development And Standardization Of System Architectures
More Than 25 Years Of Experience In Various National And International Projects
Project Budget Up To 5 Million Eur
Project Team Size Up To 150 Members
Project Runtime Up To 1.5 Years With A "Sharp Endpoint"
Use Of Ai Based On Internal Securegpt (Chatgpt/bard)
It Infrastructure Solution Design, Relocations, Implementation, Setup
Enterprise Software Configuration Management For Servers, Application Servers, Citrix, Desktops, Mobile Devices
International Rollout Of Software And Hardware According To Auditable Enterprise Standards
Redesign, Integration And Migration Of Software Systems, Servers, Desktops, Lan/wan Etc.

Languages

German

Native

English

Advanced

Spanish

Elementary

Russian

Elementary

Certifications & licenses

Certified Extended Systems OMBG System Engineer

Certified HP Openview CMS System Engineer for Radia 3.x

Certified Professional SCRUM Master I

ITIL 2.0 Foundation / TÜV

ITIL 2.0 Service Manager Training

KANBAN

PMP / PMI Training

PRINCE2 Practitioner Certification

Profile

Created

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Thomas based?

Thomas is based in Neuss, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Thomas speak?

Thomas speaks the following languages: German (Native), English (Advanced), Spanish (Elementary), Russian (Elementary).

How many years of experience does Thomas have?

Thomas has at least 28 years of experience. During this time, Thomas has worked in at least 21 different roles and for 27 different companies. The average length of individual experience is 1 year. Note that Thomas may not have shared all experience and actually has more experience.

What roles would Thomas be best suited for?

Based on recent experience, Thomas would be well-suited for roles such as: Senior Project Manager, Senior Project Manager - Overall Project Lead, Senior Project Manager / Scrum Master.

What is Thomas's latest experience?

Thomas's most recent position is Senior Project Manager at Siemens / Innomotics.

What companies has Thomas worked for in recent years?

In recent years, Thomas has worked for Siemens / Innomotics, BS Energy, Veolia Deutschland Holding, Verbund 3 Stadtwerke Bautzen/Meißen/Zittau, and International building materials group.

Which industries is Thomas most experienced in?

Thomas is most experienced in industries like Energy, Banking and Finance, and Manufacturing. Thomas also has some experience in Information Technology (IT), Utility Services, and Construction.

Which business areas is Thomas most experienced in?

Thomas is most experienced in business areas like Information Technology (IT), Project Management, and Quality Assurance (QA). Thomas also has some experience in Procurement and Purchasing, Operations, and Human Resources (HR).

Which industries has Thomas worked in recently?

Thomas has recently worked in industries like Energy, Manufacturing, and Utility Services.

Which business areas has Thomas worked in recently?

Thomas has recently worked in business areas like Project Management, Information Technology (IT), and Procurement and Purchasing.

Does Thomas have any certificates?

Thomas has 8 certificates. Among them, these include: Certified Extended Systems OMBG System Engineer, Certified HP Openview CMS System Engineer for Radia 3.x, and Certified Professional SCRUM Master I.

What is the availability of Thomas?

Thomas will be available part-time from March 2026.

What is the rate of Thomas?

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