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Curriculum vitae

Thomas Hetfeld

Electrical Engineer × Computer Scientist × Quality Engineer
AddressElisabethstraße 52, 50226 Frechen, Germany
Phone+49 179 1494491
Mailthomas@hetfeld.email
Born17 May 1982 in Aachen
LinkedInlinkedin.com/in/thomas-hetfeld-17113a84
GitHubgithub.com/Black-Seraphim

Profile

Electrical engineering as the foundation, computer science as the next step, quality management as the common thread: more than 20 years of experience in industrial manufacturing and machine building – from maintenance and fault clearance through the worldwide commissioning and qualification of coating and ultrasonic testing systems to working as a quality engineer. Focus areas: systematic root cause analysis, process optimisation, software development in C#/.NET as well as quality and information security management to ISO 9001 and ISO/IEC 27001.

Professional career

08/2023 – present
Quality Engineer in quality assurance for ultrasonic technologies
Baker Hughes Digital Solutions GmbH, Hürth
  • Analysing quality problems and resolving them for the long term
  • Preparing, conducting and supporting audits
  • Developing and implementing continuous improvements
  • Creating and optimising processes and workflows
  • Coordinating between quality, engineering, test floor and production
08/2013 – 07/2023
Electrical engineering technician on the test floor for ultrasonic testing systems
Baker Hughes Digital Solutions GmbH, Hürth
  • Commissioning (in-house and worldwide)
  • Fault finding
  • PC administration
  • Process optimisation
  • Programming
  • QM documentation
11/2009 – 05/2013
Electrical engineering technician for commissioning and qualification of MOCVD coating systems in prototype construction
Aixtron SE, Herzogenrath
  • Assembly
  • Fault finding
  • Process optimisation
  • Programming
  • QM documentation
  • Commissioning of robotic systems
  • Acceptance of system components at contract partners
  • Technical coordination with quality and engineering
10/2006 – 08/2009
Electrical engineering technician for commissioning and qualification of PVD and CVD coating systems
CemeCon AG, Würselen
  • Fault finding
  • PC administration
  • Programming
  • QM documentation
  • Training of employees
02/2002 – 08/2004
Shift electronics technician for maintenance and fault clearance in industrial glass production
Saint-Gobain Sekurit, Herzogenrath
  • Shift coordinator
  • Team spokesperson

Education & degree

05/2019 – 01/2025
Bachelor of Science (B.Sc.) Computer Science
IU International University of Applied Sciences
Thesis: “Wireless sensor networks for environmental monitoring: new technologies and current challenges”
09/2004 – 06/2006
State-certified Electrical Engineering Technician (Staatlich geprüfter Elektrotechniker)
Berufskolleg für Gestaltung und Technik der Stadt Aachen
Specialisation: data processing technology
08/1998 – 02/2002
Apprenticeship as Industrial Electronics Technician (Industrieelektroniker)
Saint Gobain Sekurit, Herzogenrath
Field: production technology

Further training

05/2026
Information Security Foundation based on ISO/IEC 27001EXIN
02/2025
Professional Scrum Master 1 (PSM 1)Scrum.org
01/2018
C# CompleteGFU Cyrus AG
01/2017
ASP.NET WebForms CompleteGFU Cyrus AG
06/2016
Commissioning of KUKA robotsKUKA Roboter GmbH
07/2014
Introduction to ultrasonic testing – Level 1 (ASNT)GE Sensing & Inspection Technologies GmbH
09/2013
Live-line working (Arbeiten unter Spannung, AuS)Technische Akademie Wuppertal e.V.
06/2007
Certified instructor qualification (Ausbildereignungsprüfung, AdA)Handwerkskammer Aachen

IT skills & languages

Software & development

  • ProgrammingC# / .NET / ASP.NET, C++, HTML/CSS, Assembler
  • Relational databases, SQL
  • Version control (Git)
  • Microsoft Office

Systems & equipment

  • Microsoft WindowsAdministration, configuration, operation
  • Linux (basic knowledge)
  • PLCSiemens S5/S7, Beckhoff TwinCAT
  • ERP systems (SAP, Axapta)

Methods & languages

  • Scrum (PSM 1)
  • Information security to ISO/IEC 27001
  • German (native)
  • English (good), technical English (good)
Frechen, date
Thomas Hetfeld