How to apply for Werkstudent:in - Quality Control Analyst (Wärmepumpe) (m/w/d)

About 1KOMMA5°

1KOMMA5° integrates solar, storage, heat pumps, and e-mobility into a single intelligent system controlled by Heartbeat AI. The company connects regional craftsmanship with scalable software to shift households to renewable energy, aiming for 1.5 million homes by 2030. Over 3,000 people work across more than 80 global locations.

About the role

As a working student quality control analyst for heat pumps, you remotely review and give final approval to acceptance protocols. You also collect and structure installation data, identify common error sources, and document your findings. Your work directly ensures technical and safety standards are met for heat pump installations.

A typical day

You start by reviewing a batch of acceptance protocols for heat pump installations, checking each against technical and safety standards. Later, you extract data from these protocols into a structured format, then analyze it to spot common errors. You document your findings and may flag issues for the engineering team to address.

Who 1KOMMA5° is looking for

• Enrolled student in engineering, energy technology, or a related field with a technical understanding of heat pumps.
• Detail-oriented and comfortable reviewing acceptance protocols against strict technical and safety criteria.
• Basic data handling skills to collect, structure, and analyze installation data for error patterns.
• Self-motivated and organized to work remotely, with clear written documentation of findings.

Tips for this application

• Highlight any coursework or projects involving heat pumps, HVAC systems, or renewable energy installations.
• Mention specific experience with quality checks, data collection, or error analysis, even from internships or student jobs.
• Explain why remote work suits you and how you stay productive without direct supervision.
• Reference 1KOMMA5°'s Heartbeat AI and virtual power plant concept to show you understand their integrated energy approach.
• Use the exact job title 'Werkstudent:in - Quality Control Analyst (Wärmepumpe) (m/w/d)' in your application to show attention to detail.

What to cover in your cover letter

['Your ability to review technical documents like acceptance protocols and apply safety standards.', 'Any hands-on experience with heat pump technology or energy systems from studies or previous roles.', 'How you collect and structure data to identify recurring errors and document insights.', "Your motivation to contribute to 1KOMMA5°'s goal of CO2-neutral buildings through quality control."]

Research before applying

• Study 1KOMMA5°'s Heartbeat AI and how it integrates solar, storage, heat pumps, and e-mobility.
• Learn about typical heat pump acceptance protocols and common installation issues in Germany.
• Review the company's growth targets and global locations to understand their scale.
• Check recent news or press releases about 1KOMMA5°'s technology or partnerships.

Likely interview topics

Based on the job description, expect questions about:

• How you would approach reviewing an acceptance protocol for a heat pump installation.
• Your understanding of common heat pump installation errors and how to detect them.
• Experience with data collection and structuring, and tools you use (e.g., Excel, Google Sheets).
• How you prioritize tasks when handling multiple protocols remotely.
• Why you want to work at 1KOMMA5° and how you align with their vision of living on wind and sunlight forever for free.

Common mistakes to avoid

• Submitting a generic cover letter that does not mention heat pumps or quality control.
• Ignoring the remote aspect and not demonstrating ability to work independently.
• Failing to show any technical understanding of heat pump systems or acceptance protocols.