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René S.-Construction/Project Management, Quality Assurance

René S. - Construction/Project Management, Quality Assurance - profile avatar
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Schiffdorf, Germany

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Experience

May 2026 - Present
Brunsbüttel, Germany
On-site

Construction Manager

confidential

Position summary
Construction Manager at confidential
Industries
Construction
Energy
Utilities
Business areas
Project Management

Construction management for a pipeline route for heating water and natural gas between the LNG terminal and the heating water and natural gas customers, as well as the expansion of a substation and cable routes from the substation to the LNG terminal

Mar 2026 - Apr 2026
Nordenham, Germany
On-site

Project Manager

confidential

Position summary
Project Manager at confidential
Industries
Metals and Mining
Business areas
Project Management

Project management for the replacement construction of a cooling tower for one of the largest international metal production groups

Dec 2025 - Apr 2026
Brunsbüttel, Germany
On-site

Lead Engineer

confidential

Position summary
Lead Engineer at confidential
Industries
Construction
Energy
Utilities

Lead Engineer for the steel construction of a new pipeline route for heating water and natural gas between the LNG terminal and the heating water and natural gas customers

Jan 2025 - Nov 2025
Hamburg, Germany

Project Management

Freelancer

Position summary
Project Management at Freelancer
Industries
Food and Beverage
Business areas
Project Management

Project management for the construction of a new filling plant, two silos and the connecting pipelines to production for an international food industry group

May 2024 - Dec 2024
Nordenham, Germany

Sub-Project Manager, Mechanical Engineering and Steel Construction

Freelancer

Position summary
Sub-Project Manager, Mechanical Engineering and Steel Construction at Freelancer
Industries
Metals and Mining
Business areas
Project Management

Sub-project manager for mechanical engineering and steel construction for the replacement construction of a fluidized-bed furnace for one of the largest international metal production groups

Mar 2024 - Apr 2024
Nordenham, Germany

Project Manager

Freiberufler

Position summary
Project Manager at Freiberufler
Industries
Construction
Metals and Mining
Business areas
Project Management

Project management for the replacement construction of a cooling tower for one of the largest international companies in the metals industry

Sep 2023 - Apr 2024
Berlin, Germany

Project Management Office Member

Freiberufler

Position summary
Project Management Office Member at Freiberufler
Industries
Construction
Energy
Business areas
Project Management

Member of the Project Management Office, supporting project management for the construction of a new control room for a major European energy provider

Nov 2022 - Jun 2023
Lingen, Germany

Construction Manager for Non-Destructive Testing

Freiberufler

Position summary
Construction Manager for Non-Destructive Testing at Freiberufler
Industries
Construction
Business areas
Operations
Project Management
Quality Assurance
  • Billing of testing services to the various projects

  • Administrative organization of the construction site (quality, health, safety, environmental protection)

  • Restructuring of work processes

Apr 2019 - Oct 2022
Nordenham, Germany

Manager Technical Inspection/Quality Assurance/SFI

Steelwind Nordenham GmbH

Position summary
Manager Technical Inspection/Quality Assurance/SFI at Steelwind Nordenham GmbH
Industries
Energy
Manufacturing
Business areas
Quality Assurance
  • Manufacturing of foundation structures (monopiles) for offshore wind power
Sep 2018 - Mar 2019
Hildesheim, Germany

Project Manager Special Projects

GEA Diessel GmbH

Position summary
Project Manager Special Projects at GEA Diessel GmbH
Industries
Manufacturing
Pharmaceutical
Business areas
Product Development
Production
Project Management
  • Design and manufacturing of production facilities for the pharmaceutical industry (Liquid Pharma & Bio-Pharma)
Oct 2017 - Aug 2018
Schiffdorf, Germany

Sabbatical and further training

confidential

Aug 2016 - Sep 2017
Szczecin, Poland

Senior Sales & Business Development Manager for Western Europe and Scandinavia

Stettin Steel Structures sp. z o. o.

Position summary
Senior Sales & Business Development Manager for Western Europe and Scandinavia at Stettin Steel Structures sp. z o. o.
Industries
Energy
Manufacturing
Business areas
Sales
  • Manufacturing of foundation structures (Jackets, Transition Pieces) for offshore wind turbines

  • Joint venture between a Polish state-owned investment fund and a German private equity company; approx. 1,000 employees

May 2014 - Jul 2016
Nordenham, Germany

Project Manager

Steelwind Nordenham GmbH

Position summary
Project Manager at Steelwind Nordenham GmbH
Industries
Energy
Manufacturing
Business areas
Production
Project Management
  • Manufacturing of foundation structures (Monopiles, Transition Pieces) for offshore wind turbines; subsidiary of a major German steel group; approx. 250 employees
Nov 2010 - Apr 2014
Georgsmarienhütte, Germany

Head of Sales

WeserWind GmbH Offshore Construction Georgsmarienhütte

Position summary
Head of Sales at WeserWind GmbH Offshore Construction Georgsmarienhütte
Industries
Energy
Manufacturing
Business areas
Customer Service
Marketing
Sales

in this role: power of procuration

  • Manufacturing of foundation structures (Jackets, Tripods) and substations for offshore wind turbines; subsidiary of a major German steel group; approx. 950 employees
Jun 2007 - Oct 2010
Georgsmarienhütte, Germany

Head of Research & Development

WeserWind GmbH Offshore Construction Georgsmarienhütte

Position summary
Head of Research & Development at WeserWind GmbH Offshore Construction Georgsmarienhütte
Industries
Energy
Manufacturing
Business areas
Product Development
Research and Development
  • Manufacturing of foundation structures (Jackets, Tripods) and substations for offshore wind turbines; subsidiary of a major German steel group; approx. 950 employees
Mar 2006 - May 2007
Boizenburg, Germany

R&D Project Manager

SteamLab.Systems GmbH

Position summary
R&D Project Manager at SteamLab.Systems GmbH
Industries
Food and Beverage
Manufacturing
Business areas
Product Development
Project Management
Research and Development
  • Development and implementation of process control for vacuum steam sterilization systems for the food industry

  • Contract sterilization at the company’s own systems; approx. 25 employees

Jun 2001 - Feb 2006
Bremerhaven, Germany

Technical Director of the Environmental Institute

Technologie-Transfer-Zentrum (ttz) Bremerhaven

Position summary
Technical Director of the Environmental Institute at Technologie-Transfer-Zentrum (ttz) Bremerhaven
Industries
Food and Beverage
Professional Services
Business areas
Research and Development
  • Private research and technology transfer organization with five independent institutes; Europe-wide research service provider; operator of a sensory laboratory for the food industry; approx. 120 employees
Feb 1998 - May 2001
Bremerhaven, Germany

Project Manager

Technologie-Transfer-Zentrum (ttz) Bremerhaven

Position summary
Project Manager at Technologie-Transfer-Zentrum (ttz) Bremerhaven
Industries
Food and Beverage
Professional Services
Business areas
Project Management
Research and Development
  • Private research and technology transfer organization with five independent institutes; Europe-wide research service provider; operator of a sensory laboratory for the food industry; approx. 120 employees
Aug 1997 - Jan 1998
Leverkusen, Germany

Intern in the Exhaust Air and Combustion Technology Department

Bayer AG

Position summary
Intern in the Exhaust Air and Combustion Technology Department at Bayer AG
Industries
Chemical
Business areas
Operations
Apr 1997 - Jul 1997
Rosenheim, Germany

Customer Service Project Manager

Max Kettner Abfüll- und Verpackungsanlagen GmbH

Position summary
Customer Service Project Manager at Max Kettner Abfüll- und Verpackungsanlagen GmbH
Industries
Manufacturing
Business areas
Customer Service
Project Management
Apr 1992 - Mar 1997
Dortmund, Germany

Research Assistant

Fraunhofer Institut für Materialfluss und Logistik (IML)

Position summary
Research Assistant at Fraunhofer Institut für Materialfluss und Logistik (IML)
Industries
Transportation
Business areas
Logistics
Research and Development

Waste Disposal Logistics Department

Aug 1988 - Feb 1989
Bochum, Germany

Construction Worker

AVANT Wohnungsbau GmbH

Position summary
Construction Worker at AVANT Wohnungsbau GmbH
Industries
Construction
Business areas
Operations

Industry experience

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

Experienced in Manufacturing, Energy, Food and Beverage, Professional Services, Transportation, and Construction.

Manufacturing
Energy
Food and Beverage
Professional Services
Transportation
Construction
Profile match chart

Business area experience

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

Experienced in Research and Development, Project Management, Product Development, Logistics, Sales, and Quality Assurance.

Research and Development
Project Management
Product Development
Logistics
Sales
Quality Assurance
Profile match chart

Summary

  • Dipl.-Ing. Mechanical Engineering with specializations in process engineering, environmental engineering and the safety of technical installations
  • International Welding Engineer, VT2 Examiner, authorized inspector for pressure vessels and pipelines
  • 29 years of professional experience, including 18 years in management positions with personnel responsibility (various business units; 4 years with power of attorney) and more than 20 years of project management
  • Industries: steel construction, apparatus and plant engineering, research & development in environmental engineering
  • Acquisition and management of several projects, each with project volumes exceeding 50 million euros
  • Fluent English for negotiations
  • Knowledge of developing process-oriented costing methods

Skills

  • International Welding Engineer
  • Vt2 Examiner
  • Authorized Inspector For Pressure Vessels And Pipelines
  • Sigeko According To Rab 30 Annex D
  • English: Fluent For Negotiations; Cambridge University Certificates (Fce And Cae)
  • Ms Office: Expert Knowledge
  • Ms Project: Good Knowledge
  • Ms Access: Good Knowledge
  • Cad: Basic Knowledge
  • Geodesy: Basic Knowledge

Languages

German
Native
English
Advanced

Education

Oct 1990 - Jan 1997

Ruhr-Universität Bochum

Diplom-Ingenieur Maschinenbau, Vertiefungsrichtung Verfahrenstechnik · General Mechanical Engineering, specialization in process engineering · Bochum, Germany · 1,8

Certifications & licenses

zur Prüfung befähigte Person für Druckbehälter und Rohrleitungen nach Betriebssicherheits-Verordnung (BetrSichV)

TÜV Süd

VT1-/VT2-Prüfer (Sichtprüfung an Schweißnähten, Lehrgang nach DIN EN ISO 9712)

Internationaler Schweißfachingenieur

SCC 017 – SGU-Prüfung von operativ tätigen Führungskräften

GMP im Anlagenbau (Pharma-Industrie)

Korrosionsschutz – Grundlagen, Arten, fachgerechte Verarbeitung, Normung

Sika Deutschland

Technische Dokumentation – Gestalten & Visualisieren

VDI Wissensforum

Der kennzahlengesteuerte Vertrieb

Forum für Führungskräfte

Samy Molcho: Körpersprache des Erfolgs

Forum für Führungskräfte

Rechtswissen für Vertriebsingenieure

VDI Wissensforum

Wirkungsvolle Rhetorik

Forum für Führungskräfte

Betriebswirtschaftliches Grundwissen Teil 1

Berufsbildungsgesellschaft Georgsmarienhütte mbH

Krisenmanagement

Berufsbildungsgesellschaft Georgsmarienhütte mbH

Kommunikation und Konfliktmanagement

Büro für Berufsstrategie Hesse/Schrader

Modularisierung in der Technischen Dokumentation – Grundlagen und Methoden für das Content Management

Zindel AG

Computational Fluid Dynamics (ICEM CFD Hexa und CFX)

Ansys Deutschland

Sickerwasserprognose – Vorgaben und Möglichkeiten

Umweltinstitut Offenbach

Werte-Begriffe – Prüfwerte, Maßnahmenwerte und Vorsorgewerte und ihre Anwendung nach der Bundes-Bodenschutz- und Altlastenverordnung

Umweltinstitut Offenbach

Gerüche in der Außenluft

VDI Wissensforum

Zulassung und Betrieb von Anlagen

VDI Wissensforum

Die neue Energieeinsparverordnung

Büro für Energiegerechtes Bauen

Fortschritte in der Luftreinhaltetechnik

Kommission Reinhaltung der Luft im VDI und DIN

Zulassung und Betrieb von Anlagen

VDI Wissensforum

Was Führungskräfte vom Arbeitsrecht wissen sollten

VDI Wissensforum

BAT- und preisorientierte Dioxin-/Rauchgasreinigungstechniken

VDI Wissensforum

Zukunftsorientierte Entsorgung von Tiermehl

VDI Wissensforum

Gewässerschutzbeauftragter im Sinne des §21c Abs. 2 Wasserhaushaltsgesetz

Technische Fachhochschule Berlin, Fernstudieninstitut

Immissionsschutzbeauftragter gem. §7 Nr. 2 in Verbindung mit Anh. II B der 5. Verordnung zur Durchführung des Bundes-Immissionsschutzgesetzes

Technische Fachhochschule Berlin, Fernstudieninstitut

Umweltschutz

Technische Fachhochschule Berlin, Fernstudieninstitut

Störfallbeauftragter gem. §7 Nr. 2 in Verbindung mit Anh. II B der 5. Verordnung zur Durchführung des Bundes-Immissionsschutzgesetzes

Technische Fachhochschule Berlin, Fernstudieninstitut

Turbulenz – Grundlagen der Turbulenzmodellierung

Universität Erlangen-Nürnberg

Biologische Abluftreinigung, Planung & Betriebspraxis

VDI Bildungswerk

Cambridge University Certificates (FCE und CAE)

Cambridge University

Statistics

Experience

Total positions 22
Experience in Manufacturing 16 y
Avg length 1 y 6 m
Longest experience 4 y 11 m

Global experience

Countries worked in 2 (Germany, Poland)
Primary country Germany

Expertise

Recent roles Construction Manager, Project Manager, Lead Engineer
Main industries Manufacturing, Energy, Food and Beverage
Main business areas Research and Development, Project Management, Product Development

Qualifications

Highest degree Master
Certifications earned 37

Profile

Member since
Last update
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Frequently asked questions

Have questions? Find more information here.

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

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

René has at least 35 years of experience. During this time, René has worked in at least 19 different roles and for 13 different companies. The average length of individual experience is 2 years and 7 months. Note that René may not have shared all experience and actually has more experience.

Based on recent experience, René would be well-suited for roles such as: Construction Manager, Project Manager, Lead Engineer.

René's most recent position is Construction Manager at confidential.

In recent years, René has worked for confidential, Freelancer, Freiberufler, and Steelwind Nordenham GmbH.

René is most experienced in industries like Manufacturing, Energy, and Food and Beverage. René also has some experience in Professional Services, Transportation, and Construction.

René is most experienced in business areas like Research and Development, Project Management, and Product Development. René also has some experience in Logistics, Sales, and Quality Assurance.

René has recently worked in industries like Energy, Manufacturing, and Construction.

René has recently worked in business areas like Quality Assurance, Project Management, and Operations.

René holds a Master in General Mechanical Engineering, specialization in process engineering from Ruhr-Universität Bochum.

René has 37 certificates. Among them, these include: SiGeKo (Teil 1) gem. RAB30 Anlage D, zur Prüfung befähigte Person für Druckbehälter und Rohrleitungen nach Betriebssicherheits-Verordnung (BetrSichV), VT1-/VT2-Prüfer (Sichtprüfung an Schweißnähten, and Lehrgang nach DIN EN ISO 9712).

René will be available part-time from January 2028.

Daily rate distribution

0% 25% 50% 75% 100%
13% of experts charge less than €640 per day.
13% of experts charge between €640 and €800 per day.
38% of experts charge between €800 and €960 per day.
25% of experts charge between €960 and €1120 per day.
13% of experts charge €1440 or more per day.
<€640 €640-​800 €800-​960 €960-​1120 €1440+

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

Average rates for similar positions

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

1000
750
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250
Rate comparison chart
Daily rate avg. 891 €

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

1000
750
500
250
Rate comparison chart
Median rate 860 €

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.

Calculated based on our freelancers’ daily rates as of 17 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.