Systems Engineer (m/f/d)

STABL Energy GmbH; München; On-site; EUR 70,000 - 90,000; Full time

Benefits offered by this job

Company pension scheme

Hybrid work model

Remote work from abroad

Meal vouchers

Monthly benefit in kind

Employee discounts

Team-building activities

Wellness / Wellpass

Job summary

STABL Energy is seeking a Systems Engineer (m/f/d) to join our Battery Energy Storage System product team, bridging engineering with compliance. You will help develop containerized BESS products, ensure cross-functional integration, and own safety system design and documentation for CE/regulatory compliance across EU standards and German laws.

You will coordinate with suppliers and labs to create robust documentation, risk assessments, and test reports, while aligning with regional codes and

Qualifications

• Degree in Systems Engineering or related technical field.
• 3+ years in system engineering for energy storage or similar.
• Knowledge of EU directives and German standards for BESS.
• Experience preparing customer technical documentation.
• Familiarity with mechanical design constraints and fire safety.
• Proficient in CAD/EPLAN and document management systems.
• German language at C1 or native level for documentation.

Responsibilities

• Support end-to-end system development of containerized BESS products from concept to deployment.
• Collaborate cross-functionally with electrical, mechanical, software, and testing for integration.
• Perform design reviews and system-level testing validation.
• Take ownership of safety system design and documentation including fire detection and gas detection.

Skills

CAD tools

EPLAN

Testing & document management

BESS / power electronics

German language proficiency

Regulatory knowledge EU/DE standards

Documentation experience

Education

Degree in Systems Engineering

Mechanical / Electrical Engineering

Job description

Your Role

We are seeking a highly motivated Systems Engineer (m/f/d)with a strong interest and capability in technical documentation, regulatory compliance and safety systems, to join our Battery Energy Storage System (BESS) product development team. This hybrid role bridges engineering in various fields with compliance and customer success by ensuring that our system designs not only perform but are also well-documented and compliant with international standards such as CE and other applicable directives especially german laws and standards.

Your mission

System Engineering

• Support the end-to-end system development of containerized BESS products, from concept to deployment.
• Collaborate cross-functionally with electrical, mechanical, software, and testing to ensure system integration.
• Perform design reviews and system-level testing validation.

Safety Systems Integration

• Take ownership of safety system design and documentation, including:
  • Fire detection (smoke, heat, aerosol suppression systems).
  • Gas detection (e.g., hydrogen, VOCs).
  • Explosion protection (e.g., venting strategies).
  • Emergency shutdown systems and HVAC/fire interlocks.
• Collaborate with suppliers and internal specialists to evaluate and select compliant safety components.
• Ensure that safety systems meet applicable regulatory and customer requirements.

Technical Documentation & Customer-Facing Documentation

• Develop and maintain technical documents, including risk assessments and test reports.
• Coordinate with external testing labs and notified bodies as required.
• Prepare high-quality, accurate documentation packages for customers (Fire load calculation, Static load documentation, Foundation requirements and load plans, etc.).
• Ensure that documentation aligns with regional building codes, standards, and customer-specific requirements.
• Regularly update documentation based on design changes and field feedback.

Your profile

• Degree in Systems Engineering, Mechanical/Electrical Engineering, or a related technical field.

• Minimum of 3 years of experience in system engineering within energy storage, renewable energy, or industrial automation sectors.

• Working knowledge of relevant EU directives/standards and german standards/regulatories for BESS.

• Experience preparing customer technical documentation.

• Familiarity with mechanical design constraints, structural loads, and fire safety principles in containerized systems.

• German language proficiency: C1 or native level is mandatory for documentation. Nice to have

• Experience with BESS or related power electronics/inverter systems.

• Proficiency with CAD tools, system diagram software (EPLAN), testing and document management systems.

Why STABL Energy?

STABL Energy is one of the most innovative start-ups in the energy transition, ees Award winner 2022, pv magazine award winner 2025 and named a global Top100 Energy Start-up. We are funded by renowned and experienced Tech VCs from Germany, Denmark and Switzerland. What you’ll love about working with us:

• Agile, open & innovation-driven culture with flat hierarchies, quick decision-making processes and real ownership
• Company pension scheme to support you plan for the future
• Flexible working hours, a hybrid work model, and the option to work remotely from abroad
• Digital meal vouchers with Circula Lunch - enjoy tasty lunches on us!
• Monthly benefit in kind to spend at your favourite stores
• Corporate benefits portal with exclusive employee discounts
• Regular team-building activities and team events
• Company EGYM Wellpass membership to train with no limits at numerous fitness clubs across Germany