MassaJobb.se

Senior Design Engineer – BESS (Battery Energy Storage Systems)

We are looking for a Senior Design Engineer to join our BESS team on a summer assignment until November, with the possibility of extension.

In this role, you will develop and maintain CAD-based product designs and engineering documentation, support product maturation, and ensure high-quality design releases.
You will work on both new and existing energy storage systems, solving technical challenges and improving product performance through design optimization.

You will also collaborate closely with cross-functional teams and contribute to engineering best practices.

Key Responsibilities

• Create and maintain 3D CAD models, assemblies, and technical drawings
• Develop and manage design documentation throughout the product lifecycle
• Improve and optimize existing designs and subsystems
• Identify and resolve integration and packaging issues
• Ensure design quality, manufacturability, and compliance before release
• Perform engineering analysis to support design decisions
• Collaborate with cross-functional stakeholders

Requirements

• BSc or MSc in Mechanical Engineering (or equivalent)
• 5+ years of design engineering experience
• Strong experience with 3D CAD, assemblies
• Solid understanding of GD&T and product verification
• Ability to independently drive design solutions and engineering analysis
• Strong communication and teamwork skills

Preferred

• Experience with BESS, electrification, or energy systems
• Experience in Creo Parametric
• Familiarity with systems (e.g., KOLA)
• Experience mentoring or leading engineers

Profile

You are a proactive and analytical engineer who takes ownership, enjoys solving technical challenges, and works well across teams.
You are committed to high-quality design work and continuous improvement.