About Dennis Leerkes, Leerkes Engineering BV

About Dennis Leerkes, Leerkes Engineering BV

I am Dennis Leerkes, an experienced freelance electrical engineer with a strong focus on innovation and customer orientation. Based in the historic city of Deventer, I have over ten years of experience in the electrical engineering sector, providing tailored solutions for a variety of industries. My goal is to deliver high-quality, sustainable, and efficient electrical services that meet the specific needs of my clients.

Professional Expertise and Experience

With a background as an electrician and diver in the Royal Netherlands Navy, I have developed essential skills that are crucial for solving complex technical issues. In 2008, I transitioned to shipbuilding as an Eplan designer, where I gained expertise in designing electrical systems.

Specializations and Services

I specialize in:

  • Eplan Electric P8 / Propanel: Creating advanced 3D electrical designs and schematics.
  • Machine Safety: Conducting risk analysis, verification, and validation of a Functional Safety Design for machinery.
  • Implementation: Implementing an Eplan standard within the company for IEC and UL projects.

Additionally, I have extensive experience with energy supply (generation, transmission, and storage), which enables me to provide innovative and sustainable solutions. My Bachelor of Science in Electrical Engineering, obtained in 2017, enhances my knowledge and skills in these areas.

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Experience with the following engineering tools:

Eplan Electric P8, Propanel 5.7 / 2.9 / 2023 / 2025
Yellax Typical Manager
Eplan EEC One
Phoenix Contact Clip Project
Microsoft Excel
Autodesk Autocad
Autotec Engineering Base 6.7.1
IFA Sistema Safety Integrity Software tool
Pilz Pascal Safety Calculator
Siemens TIA Portal Professional V16 / WinCC Comfort V16
Intelec IS-Kabelnet
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Experience with the following activities:


Design/development of single-wire diagrams, cable routing diagrams, and load balance
Circuit calculations
Cable and pipe calculations according to NEC/NFPA 70 standard
Harmonic calculations and ARC Flash calculations.
Outsourcing/assessing/coordinating detailed engineering (IEC 60204 and NFPA 79 standard)
Process installation engineering according to UL508A/NFPA 70 standard
Process installation engineering under FM approval Class 1, Division 2 (American EX)
Designing and defending electrical concept to American end customer

Performing FAT/SAT at end customer
Drawing up test plan
Low-voltage test according to test plan
Developing concept for medical prototype according to IEC 60601 standard
Detailed engineering of medical prototype according to IEC 60601 standard

Conducting internal research into similarities/differences between IEC 60204 and NFPA 79 standards
Conducting internal research into similarities/differences between IEC 61010 and UL 61010 standards
Implementing the NEN-EN-IEC 61439 standard within a company
Drawing up a safety matrix for a prototype machine

Working in an R&D department
Designing and implementing standardization/corporate identity within a company


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Training and certifications

To stay up to date with the latest trends and technologies in the industry, Leerkes Engineering regularly participates in courses and training programs to improve our knowledge and skills.

Projects and Success Stories

My portfolio encompasses a wide range of projects for clients in the Netherlands and Germany. Whether it involves implementing the NEN-EN-IEC 61439-1 standard or advising on electrical integrations, I always deliver customized solutions and expertise. My analytical approach ensures that I provide effective solutions that meet the highest standards.

For more success stories, click here.

Personal Passions and Values

In addition to my professional work, I am passionate about diving (cave diving and deep-sea diving), reading, and traveling in nature. These hobbies inspire me and help me maintain a fresh perspective, which benefits my work. I believe in a healthy work-life balance, which contributes to my creativity and problem-solving abilities.

Curriculum Vitae

Prior to becoming an independent entrepreneur, Dennis Leerkes worked on a variety of projects while employed by various companies. For more information about his professional experience and qualifications, please feel free to download his Curriculum Vitae from the following link.

www.eplan.nl