Application Guide

How to Apply for Utility Commissioning Engineer Batteriespeicher (BESS) (m/w/d)

at Tesvolt

🏢 About Tesvolt

TESVOLT is a German pioneer in commercial battery storage systems, manufacturing in Europe's first gigafactory for battery storage in Lutherstadt Wittenberg. They use prismatic lithium cells from Samsung SDI and serve diverse applications from on-grid to off-grid, including prestigious projects like an avocado farm in Australia. Working here means joining an award-winning company (German Entrepreneur Award 2018) at the forefront of the renewable energy transition.

About This Role

As a Utility Commissioning Engineer for Battery Storage Systems (BESS), you will be responsible for the on-site commissioning, testing, and troubleshooting of large-scale commercial battery storage installations. This role is critical for ensuring that TESVOLT's innovative systems operate flawlessly, directly impacting customer satisfaction and the reliability of renewable energy integration. You'll work remotely but travel to project sites, collaborating with project managers, installers, and clients.

💡 A Day in the Life

A typical day might start with a site briefing and safety checks, followed by commissioning tests on battery storage systems, configuring BMS and inverters, and troubleshooting any issues. You'll collaborate with installers and project managers, document results, and ensure the system meets performance and safety standards before handover. Expect frequent travel and varying site conditions, from urban commercial buildings to remote off-grid locations.

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🎯 Who Tesvolt Is Looking For

  • Electrical engineering degree or equivalent technical qualification with a focus on power systems or renewable energy.
  • Proven experience in commissioning or field service of battery storage systems, inverters, or similar electrical equipment.
  • Strong knowledge of lithium-ion battery technology, especially prismatic cells, and familiarity with Samsung SDI cells is a plus.
  • Willingness to travel extensively (including internationally) and work in diverse environments, with excellent problem-solving and communication skills.

📝 Tips for Applying to Tesvolt

1

Highlight any hands-on experience with battery storage systems or large-scale electrical installations, specifically mentioning commissioning and troubleshooting.

2

Emphasize your ability to work independently in remote locations and your familiarity with international travel and diverse cultural environments.

3

Showcase your knowledge of TESVOLT's product line and their unique selling points, such as the use of Samsung SDI prismatic cells and their gigafactory production.

4

Include details of any experience with off-grid systems or renewable energy integration, as TESVOLT values versatility.

5

Demonstrate your commitment to safety and quality, as commissioning engineers are the last line of defense before systems go live.

✉️ What to Emphasize in Your Cover Letter

In your cover letter, emphasize your hands-on commissioning experience with BESS, your technical expertise with lithium-ion batteries (especially prismatic cells), your ability to travel and work remotely, and your passion for renewable energy and TESVOLT's mission. Mention specific projects or achievements that demonstrate your problem-solving skills in the field.

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → Study TESVOLT's product portfolio, especially their commercial storage systems and the use of Samsung SDI prismatic cells.
  • → Learn about their flagship projects, such as the off-grid avocado farm in Australia and the awards they won for it.
  • → Understand the significance of their gigafactory in Wittenberg and their role in the European battery storage market.
  • → Research common challenges in commissioning BESS, such as grid integration, inverter communication, and battery management system (BMS) configuration.

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Can you walk us through a challenging commissioning project you led? What issues did you encounter and how did you resolve them?
2 How do you ensure safety and compliance during commissioning, especially when working with high-voltage systems?
3 Describe your experience with different battery chemistries and why prismatic cells are advantageous for commercial storage.
4 How do you handle communication with clients and project teams when technical issues arise on-site?
5 What attracts you to TESVOLT specifically, and how do you see yourself contributing to our mission in renewable energy storage?
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⚠️ Common Mistakes to Avoid

  • Avoid generic cover letters that don't mention TESVOLT's specific technology or projects.
  • Don't downplay the travel requirement or express hesitation about working remotely and on-site.
  • Avoid focusing solely on academic knowledge without practical, hands-on commissioning experience.

📅 Application Timeline

This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.

Typical hiring timeline:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

✓

Offer

Congratulations!

Ready to Apply?

Good luck with your application to Tesvolt!

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