Senior Battery Systems Engineer (m/f)
Warwick, UK, Croatia

About us


We are a technology powerhouse that designs, engineers, and manufactures the world's most advanced automotive technology and hypercars. Bytes to bolts, Rimac is where everything happens.


Our teams develop and produce both hardware and software solutions for our flagship, record-breaking hypercar, the Nevera, as well as for other automotive manufacturers’ vehicles. Working on technology solutions for partners such as Porsche, Hyundai, Aston Martin, Koenigsegg, Automobili Pininfarina, and others, gives Rimac a unique position of a technology leader in the high-performance electric vehicle industry. The stakes are high.


As a fast-moving company, we nurture a high-performing culture. If you are interested in joining, you must be prepared for relentless learning, adapting, and embracing new technologies. We expect an easy-going person, but also self-driven, entrepreneurial, and highly independent in their work, that will enjoy rising to the challenge and have fun pushing the limits of technology.


Our expectations are high. And we can only achieve our goals with the dedication and collaboration of our exceptional team. Our ambition is to deliver and go the extra mile. We need to expand our already industry-leading team, find the best people, and lead the charge.

Battery Systems Engineer has the exciting job of developing battery systems and subsystems for all these high-performance vehicles.

The candidate for this role must have a genuine passion for engineering the best electric vehicles in the world and the role requires vast experience in mechanical engineering.

The Battery Systems Engineering team collaborates closely with other departments and works on perhaps the most exciting automotive projects in existence today. No surprise there, it has become the most appealing and respected role and position in the whole automotive industry.

As a fast-moving company, we adopt new techniques and technologies on a regular basis, so the candidate must be ready for constant learning and embracing new technologies. We expect an easy-going person that will enjoy rising to the challenge and have fun pushing the limits of technology.

Our understanding of battery technology comes from years of designing, testing and verifying solutions built to meet the most demanding needs.

The battery system plays numerous important roles in the car, from providing the initial power needed to start the engines to being a heart of the car. As a main component it is a product of our biggest focus and our main product when facing customers and fulfilling their needs.

Our team not only develops the battery packs for our fantastic Rimac HyperCars, but we work and provide numerous global automotive manufacturers with our battery solutions.

Working close with great customers and partners like Aston Martin, Koenigsegg, Porsche, Hyundai, Jaguar, Pinifarina, Magna and many more well-known and respected car manufacturers, it gives us the opportunity to work on most exciting vehicle projects one could imagine. 


1. Responsibilities:

  • CAD modeling of the battery pack components
  • Managing subsystems and component level design requirements through collaboration with customers, the Homologation department, the Vehicle department and other Electrical Engineering related departments
  • Components validation plans and test methods
  • Developing cooling systems in battery packs
  • Electrical components layout – co-work with electrical engineers
  • Technical drawings and production documentation
  • Providing support to assembly and testing teams during product operations
  • Providing support to ongoing product and process improvement

2. Main tasks:

  • Battery pack systems and subsystems research and development
  • CAD modeling in collaboration with other team members
  • Design, develop and release component and system specifications
  • Supervising the testing of finished products and systems

3. Requirements:

  • Advanced knowledge of CAD software (preferably Catia or Solidworks)
  • Experience in any one (or more) of the following production processes: injection molding (plastics), metal stamping, sheet metal forming, die castings, vacuum casting
  • Experience with product and process validation
  • Good knowledge of Lithium-based battery cells
  • Self-organised and goal-oriented
  • Very good understanding of mechanical structures
  • Good understanding of thermal analysis
  • Very good knowledge of English (written and spoken) is essential
  • Communicative teamwork player
  • Bachelor's or higher degree in the relevant field of study
  • At least 5 years of professional automotive experience

4. Considered as an advantage:

  • Extensive experience in the engineering development
  • Good knowledge of production technology
  • Good knowledge of the battery cell management
  • Experience in cooling system design and management
  • Understanding of electro-mechanical components  

What we are like and what we offer

  • We operate in a fast-paced and challenging environment
  • You will have the opportunity to work on world-class solutions with cutting-edge technology
  • We work a lot, but also know how to have fun (fun teambuilding, crazy company parties, kitchen and relaxation zones around the office, free coffee/tea and fresh fruit, etc.)
  • Family-like and open work environment (subsidies for kindergartens, Christmas parties for kids, and presents for kids)
  • Financial subsidy for transportation
  • Additional and supplementary healthcare covered
  • Internal educations program
  • Psychological counseling
  • Dog-friendly office 
  • Flexible working hours and work-from-home days – up to 12 days of remote work per month
  • Discounts at stores and clinics – for humans and pets 😊

Job Segment: Systems Engineer, R&D Engineer, Testing, Thermal Engineering, Electrical, Engineering, Technology