Wolfgang Holten - Project Manager for Construction Supervision and Retrofitting of a Large Heat Pump

Q: Where is Wolfgang based?

Wolfgang is based in Düsseldorf, Germany .

Q: What languages does Wolfgang speak?

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

Q: How many years of experience does Wolfgang have?

Wolfgang has at least 13 years of experience. During this time, Wolfgang has worked in at least 11 different roles and for 16 different companies . The average length of individual experience is 1 year and 8 months . Note that Wolfgang may not have shared all experience and actually has more experience.

Q: What is Wolfgang's latest experience?

Wolfgang's most recent position is Project Manager for construction supervision and retrofit of a large heat pump at Energy supply company .

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

In recent years, Wolfgang has worked for Energy supply company , Project funding agency , Circular economy, recycling, chemical infrastructure project , Renewable energy projects (biomass, heat pump, and PV) and district heating .

Q: Which industries is Wolfgang most experienced in?

Wolfgang is most experienced in industries like Manufacturing , Energy , and Metals and Mining . Wolfgang also has some experience in Chemical , Information Technology , and Professional Services .

Q: Which business areas is Wolfgang most experienced in?

Wolfgang is most experienced in business areas like Project Management , Operations , and Finance . Wolfgang also has some experience in Research and Development , Quality Assurance , and Supply Chain Management .

Q: Which industries has Wolfgang worked in recently?

Wolfgang has recently worked in industries like Energy , Chemical , and Manufacturing .

Q: Which business areas has Wolfgang worked in recently?

Wolfgang has recently worked in business areas like Project Management , Research and Development , and Operations .

Recommended expert

Düsseldorf, Germany

Check rate

Experience

Sep 2024 - Jan 2025

5 months

Project Manager for construction supervision and retrofit of a large heat pump

Energy supply company

On-site construction supervision
Cost calculation
Acceptance of construction work
Representation of the project manager

Feb 2024 - Apr 2024

3 months

Consultant

Project funding agency

Providing technical expertise in process engineering, mechanical engineering, energy and power plant engineering, plant construction, and their cross-cutting topics

Jun 2023 - Dec 2023

7 months

Interim Project Manager

Circular economy, recycling, chemical infrastructure project

Technical and commercial project management
Process engineering design
Leading the planning teams
Coordinating the involved departments
Creating project schedules
Claim Management

May 2022 - May 2023

1 year 1 month

Interim Project Manager

Renewable energy projects (biomass, heat pump, PV) and district heating

Technical project management
Leading the planning teams
Coordinating the involved departments
Coordinating external stakeholders
Creating project schedules
Construction supervision
Claim Management

Oct 2020 - Mar 2022

1 year 6 months

Research associate

Project funding agency

Providing technical expertise in process engineering (combustion, flue gas cleaning), mechanical engineering, energy and power plant engineering, plant construction, and related cross-cutting topics

Jan 2020 - Sep 2020

9 months

Consultant

Self-employed

No project due to the global pandemic

Feb 2019 - Dec 2019

11 months

On-site

Interim Project Manager

International plant engineering company, flue gas cleaning

Acting as project manager (technical and commercial)
Coordinating subcontractors
Onsite Management

May 2017 - Dec 2018

1 year 8 months

Interim Project Manager

International metal industry company, forging technology

Project management (technical and commercial) of multiple projects in parallel
Communication with respective clients
Coordination of involved departments
Creating project schedules (MS Project)
Cost and budget control (SAP & ERP)
Technical consulting
Presenting milestones externally and internally
Controlling ongoing projects
Claim management
Site management in Germany and Greece

Jan 2017 - Mar 2017

3 months

Claim Manager

Chemical-pharmaceutical plant engineering

Developing site concepts
Recording and processing claims from the construction site

Dec 2016 - Dec 2016

1 month

Consultant for Project Management Fundamentals Guide

Coaching company in IT sales

Training employees (follow-up project)

Jul 2016 - Sep 2016

3 months

Consultant Concept Creation for Production Relocation of Series Parts

Automotive supplier

Budget definition
Process definition

Apr 2016 - Jul 2016

4 months

Consultant Guide for Project Management Basics

Coaching company in IT sales

Defining the guide with management
Defining the collaboration between sales and project management
Developing a presentation
Training the staff

Jan 2015 - Mar 2016

1 year 3 months

Project Manager Claim Management System

International plant engineering customer

Implementation of a claim management system into an existing ERP system
Defining the complaint process with customers and suppliers together with management
Training staff at home and abroad

Dec 2013 - Dec 2014

1 year 1 month

Interim Project Manager

Chinese plant engineering company

Kick-off meeting with the Chinese client
Creating the order book with sales
Technical project management
Project control up to shipping readiness
Supply Chain Management
Creating project schedules
Managing the design staff
Responsibility for achieving the defined project goals (schedule, budget, quality)
Site management

Aug 2013 - Nov 2013

4 months

Interim Project Manager

Various European clients in power plant technology, cement industry and plant engineering

Monitoring schedule and budget targets
Technical consulting
Contract Management
Performing standard project management tasks
Supply Chain Management

Mar 2013 - Jul 2013

5 months

Interim Project Manager for Electrofilter Retrofit

Coal power plant operator

Project management (technical and commercial)
Technical leadership
Leading the assembly
Leading the commissioning

Sep 2011 - Feb 2013

1 year 6 months

Interim Project Manager

Material handling company for South Korea

Kick-off meetings with Korean customers
Preparing the order book together with sales
Project management (technical and commercial)
Managing the project up to shipping readiness
Leading design and electrical engineering staff
Overseeing quality management

Feb 2011 - Aug 2011

7 months

Interim Department Manager, Project Execution

International material handling and plant engineering company

Project management (technical and commercial) of several projects in parallel
Communication with each customer
Coordination of subcontractors
Coordination of involved departments
Creating project schedules (MS Project)
Cost and budget control (SAP & ERP)
Technical consulting
Presenting milestones externally and internally
Controlling ongoing projects
Claim management

Industry Experience

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

Experienced in Manufacturing, Energy, Metals and Mining, Chemical, Information Technology, and Professional Services.

Manufacturing

Energy

Metals and Mining

Chemical

Information Technology

Professional Services

Business Area Experience

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

Experienced in Project Management, Operations, Finance, Research and Development, Supply Chain Management, and Quality Assurance.

Project Management

Operations

Finance

Research and Development

Supply Chain Management

Quality Assurance

Languages

German

Native

English

Advanced

Statistics

Experience

Total positions 18

Experience in Manufacturing 6.5 y

Avg length 8 m

Longest experience 1 y 7 m

Expertise

Recent roles Project Manager for construction supervision and retrofit of a large heat pump, Consultant, Interim Project Manager

Main industries Manufacturing, Energy, Metals and Mining

Main business areas Project Management, Operations, Finance

Profile

Created

August 2025

Last Update

November 2025

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Frequently asked questions

Have questions? Find more information here.

Wolfgang is based in Düsseldorf, Germany.

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

Wolfgang has at least 13 years of experience. During this time, Wolfgang has worked in at least 11 different roles and for 16 different companies. The average length of individual experience is 1 year and 8 months. Note that Wolfgang may not have shared all experience and actually has more experience.

Based on recent experience, Wolfgang would be well-suited for roles such as: Project Manager for construction supervision and retrofit of a large heat pump, Consultant, Interim Project Manager.

Wolfgang's most recent position is Project Manager for construction supervision and retrofit of a large heat pump at Energy supply company.

In recent years, Wolfgang has worked for Energy supply company, Project funding agency, Circular economy, recycling, chemical infrastructure project, Renewable energy projects (biomass, heat pump, and PV) and district heating.

Wolfgang is most experienced in industries like Manufacturing, Energy, and Metals and Mining. Wolfgang also has some experience in Chemical, Information Technology, and Professional Services.

Wolfgang is most experienced in business areas like Project Management, Operations, and Finance. Wolfgang also has some experience in Research and Development, Quality Assurance, and Supply Chain Management.

Wolfgang has recently worked in industries like Energy, Chemical, and Manufacturing.

Wolfgang has recently worked in business areas like Project Management, Research and Development, and Operations.

Wolfgang is immediately available full-time for suitable projects.

Wolfgang'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 Wolfgang, click the Meet button on the profile to request a meeting and discuss your project needs.

Daily Rate Distribution

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<€720 €800-880 €960-1040 €1040-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

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

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Daily rate avg. 975 €

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

1200

900

600

300

Median rate 1000 €

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.