Marketing & Sales Assistant


Hengelo, Netherlands

Employment type

Part-time or full-time (24 - 40h)

Are you looking to make an impact in one of today’s most promising industries? SmartGrid is looking for you.

What we're looking for

As our Marketing & Sales Assistant you will be working alongside our energy experts. You’ll translate the features and technical information of our solutions into clear benefits for our (potential) clients. You will not only focus on marketing activities such as SEO, branding and copywriting, but will also assist the sales team with CRM, creating quotes and communicating with clients.

What you'll be doing

Marketing activities, such as:

  • SEO;

  • Branding;

  • Copywriting;

  • Video and photo editing;

  • Developing user cases;

  • Organizing fairs;

  • Visiting events

Sales activities, such as:

  • Drawing up quotes;

  • Attending meetings with clients

  • Keeping the CRM up to date


  • Bachelors' degree in a relevant field, such as marketing or communications

  • Two years experience in a similar role

  • Knowledge of copywriting and SEO

  • Knowledge of video and photo editing and design

  • Ability to translate complex information into clear benefits

  • Excellent team player with a practical attitude

  • Self-starting and motivated personality

  • Excellent communication skills, able to communicate on a professional level with internal and external parties.

About SmartGrid

The current condition of the energy grid is one of the limiting factors of the energy transition. SmartGrid is here to solve that. Founded in 2019 by Kees Koolen, founder and former CEO of, SmartGrid is a subsidiary of Koolen Industries.

SmartGrid offers energy storage systems for industrial and mobile applications, based on the principles of Lithium Iron Phosphate (LiFePO4) batteries. Sizes can vary up to several MW per hour, supplied both as standard container solutions and as customer-specific solutions. All solutions are engineered and built in The Netherlands.

SmartGrid’s design makes it possible to make an autonomous link with clean energy production and existing electricity networks in a simple way, in order to supply energy on AC and DC in the various application areas via (temporary) storage. Through our in-house developed software and thorough system integration set-up, our customers can use the energy systems for, among other things, energy trading, peak shaving, load balancing, DC and AC micro grid, and back-up power.