Benjamin Rähmer - Electrical Engineer (M. Eng.)

Q: Where is Benjamin based?

Benjamin is based in Frankfurt am Main, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Benjamin speak?

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

Q: How many years of experience does Benjamin have?

Benjamin has at least 18 years of experience. During this time, Benjamin has worked in at least 10 different roles and for 9 different companies . The average length of individual experience is 2 years and 10 months . Note that Benjamin may not have shared all experience and actually has more experience.

Q: What is Benjamin's latest experience?

Benjamin's most recent position is Technical Director at maincubes Holding & Service GmbH .

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

In recent years, Benjamin has worked for maincubes Holding & Service GmbH , Technical University of Darmstadt | PTW , Digital Realty Germany GmbH , and Hochschule RheinMain | Department of Engineering .

Q: Which industries is Benjamin most experienced in?

Benjamin is most experienced in industries like Information Technology , Education , and Manufacturing . Benjamin also has some experience in Construction .

Q: Which business areas is Benjamin most experienced in?

Benjamin is most experienced in business areas like Operations , Information Technology , and Research and Development . Benjamin also has some experience in Project Management , Production , and Customer Service .

Q: Which industries has Benjamin worked in recently?

Benjamin has recently worked in industries like Education , Information Technology , and Manufacturing .

Q: Which business areas has Benjamin worked in recently?

Benjamin has recently worked in business areas like Information Technology , Research and Development , and Operations .

Recommended expert

Frankfurt am Main, Germany

Check rate

Experience

Aug 2025 - Present

1 year 1 month

Technical Director

maincubes Holding & Service GmbH

Development and implementation of technical guidelines for electrical and mechanical systems
Development of the electrical safety organisation as responsible electrician (gVEFK)
Implementation and oversight of DCIM and related technical software solutions
Design of technical solutions for lifecycle infrastructure and customer projects

Nov 2024 - Jul 2025

9 months

Research Associate

Technical University of Darmstadt | PTW

Research into automation programmes for integrating machines into cyber-physical production systems
Analysis of energy flexibility potential in production machines and development of optimised operating strategies
Design and implementation of interoperable Digital Product Passport architectures
Support for the lecture on digitalisation in production

Aug 2020 - Sep 2024

4 years 2 months

Manager Capacity & Energy

Digital Realty Germany GmbH

Regression analysis and machine learning on energy data used for demand and capacity forecasting
Automation of Data collection
Software Implementation of physics based machine learning with the goal of improving energy efficiency
Load flow, Selectivity and CFD studies
Designing energy infrastructure and improving energy efficiency

Apr 2019 - Present

7 years 5 months

Lecturer Digital Design and FPGAs | Doctoral Candidate (since 2026)

Hochschule RheinMain | Department of Engineering

Development, improvement and lecturing the FPGA Laboratory
Contact person for students
Research on decentralised computing, Edge AI, Digital Signal Processing for industrial systems

Jan 2018 - Jul 2020

2 years 7 months

Project Manager Implementation

Digital Realty Germany GmbH (Interxion Deutschland GmbH)

Design and implementation of projects in the field of automation technology
Switchboard design
Design and implementation of customer projects

Oct 2016 - Dec 2017

1 year 3 months

Project Manager Design & Construction

Bilfinger HSG FM IS GmbH

Planning and implementation of new construction and modernization projects of the resident data centers
Cost and schedule monitoring
Consulting for data center operations

Apr 2014 - Sep 2016

2 years 6 months

Facility Engineer

TelecityGroup Germany GmbH

Responsible for energy demand planning and procurement
Planning and implementation of infrastructure projects
Maintenance and repair work

Aug 2011 - Mar 2014

2 years 8 months

Datacentre Support Technician

TelecityGroup Germany GmbH

Customer Support
Work planning for the shift employees

Feb 2011 - Jul 2011

6 months

Civilian service

Haus Burgwald gGmbH

Aug 2008 - Jan 2011

2 years 6 months

Vocational training as Electronics Technician for Equipment and Systems

Technical University of Darmstadt

Industry Experience

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

Experienced in Information Technology, Education, Manufacturing, and Construction.

Information Technology

Education

Manufacturing

Construction

Business Area Experience

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

Experienced in Operations, Information Technology, Project Management, Research and Development, Production, and Procurement.

Operations

Information Technology

Project Management

Research and Development

Production

Procurement

Summary

I am an Electrical Engineer (M. Eng.) with a strong background in data center infrastructure, energy systems and automation. I design and improve electrical and mechanical solutions, develop technical guidelines, and work on lifecycle infrastructure as well as customer-specific projects. A key part of my work is building reliable, efficient systems and strengthening electrical safety organisations.

I also bring hands-on experience in energy forecasting, machine learning on energy data, automation of data collection, load flow, selectivity and CFD studies. Alongside my industry work, I have been active in research and teaching around cyber-physical production systems, Digital Product Passports, Edge AI, Digital Signal Processing and FPGAs.

Skills

Data Center Design & Operations 15+ Yrs.
Energy Technology 10+ Yrs.
Python 7+ Yrs.
Dlgsilent Powerfactory 7+ Yrs.
Fpgas 7+ Yrs.
Vhdl 7+ Yrs.
Datascience 6+ Yrs.
Cadence Datacenter Design (6sigma Room Cfd) 3+ Yrs.

Languages

German

Native

English

Advanced

Education

Oct 2019 - Jun 2025

Hochschule RheinMain

Master of Engineering · Electrical Engineering – Connected Systems · Wiesbaden, Germany · 1.2

Oct 2014 - Jun 2018

Hochschule RheinMain

Bachelor of Engineering · Electrical Engineering · Wiesbaden, Germany · 1.3

Aug 2008 - Jan 2011

Technical University of Darmstadt

Vocational training as Electronics Technician for Equipment and Systems · Electronics Technician for Equipment and Systems · Darmstadt, Germany

Statistics

Experience

Total positions 10

Experience in Information Technology 14 y

Avg length 2 y 6 m

Longest experience 7 y 4 m

Expertise

Recent roles Technical Director, Research Associate, Manager Capacity & Energy

Main industries Information Technology, Education, Manufacturing

Main business areas Operations, Information Technology, Project Management

Qualifications

Highest degree Master

Profile

Created

August 2026

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Frequently asked questions

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Benjamin is based in Frankfurt am Main, Germany and can operate in on-site, hybrid, and remote work models.

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

Benjamin has at least 18 years of experience. During this time, Benjamin has worked in at least 10 different roles and for 9 different companies. The average length of individual experience is 2 years and 10 months. Note that Benjamin may not have shared all experience and actually has more experience.

Based on recent experience, Benjamin would be well-suited for roles such as: Technical Director, Research Associate, Manager Capacity & Energy.

Benjamin's most recent position is Technical Director at maincubes Holding & Service GmbH.

In recent years, Benjamin has worked for maincubes Holding & Service GmbH, Technical University of Darmstadt | PTW, Digital Realty Germany GmbH, and Hochschule RheinMain | Department of Engineering.

Benjamin is most experienced in industries like Information Technology, Education, and Manufacturing. Benjamin also has some experience in Construction.

Benjamin is most experienced in business areas like Operations, Information Technology, and Research and Development. Benjamin also has some experience in Project Management, Production, and Customer Service.

Benjamin has recently worked in industries like Education, Information Technology, and Manufacturing.

Benjamin has recently worked in business areas like Information Technology, Research and Development, and Operations.

Benjamin holds a Master in Electrical Engineering – Connected Systems from Hochschule RheinMain and a Bachelor in Electrical Engineering from Hochschule RheinMain.

Benjamin will be available full-time from October 2026.

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

Daily Rate Distribution

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<€480 €640-800 €800-960 €960-1120 €1280+

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

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Daily rate avg. 935 €

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

1000

750

500

250

Median rate 980 €

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.