HSSE engineer

Job description

Do you want to contribute to a more sustainable world? Are you excited to help shape the future of battery technology and consequently the future of consumer electronics and mobility? Can you not wait to dive into a VC-backed deep tech scale-up with the ambition to change the world?

We are looking for an energetic HSSE Engineer to join our innovative and ambitious organization.

About LeydenJar

LeydenJar is a high-tech company, developing pure silicon anodes for a lithium-ion battery that will change the world. We are proud that, here at LeydenJar, we:

  • boost Li-ion battery energy density by 70% by using 10x thinner anodes
  • improved cycle life to >450
  • achieved fast charging to 60% in under 10 min!

We are currently still in an R&D phase, but we are ready to start the actual production of anode foil. LeydenJar Plant One will open in 2026.

Your mission
As HSSE engineer, you will be responsible for health, safety, security and environment for the locations of LeydenJar regarding operational incident handling, changes, non-conformities and regular reporting, in accordance with the legal requirements and permits. 

The activities will also include RIE updating, compliance and improvement projects and change projects for the growth of LeydenJar, and other QHSSE activities. The various responsibilities are under your guidance, using, improving and controlling a new HSSE system. You will lead the roadmap towards future certification.

Your primary location will be Eindhoven, but you will also be supporting Leiden location. You are willing to travel on incidental base.

You report to the QHSSE manager and have an important central role in the QHSSE team and organization. You work especially closely together with the production team and the laboratory managers. 

In this versatile role for lots of aspects, you will a chance to develop yourself by being leading and involved in the various projects of this quickly growing company.

Job requirements

About you:

  • You have at least 5-years experience in a similar position
  • You have at least a completed HBO education in a relevant direction or HSSE specialized education at HBO level
  • You have experience in a production environment regarding HSSE activities
  • Experience with RIE, HAZOP and/or certification projects is a pre, especially ISO14001
  • You are able to multi-task and work independently in a fast-paced environment and act with a sense of urgency
  • You show initiative on improvement projects and are able to lead such projects
  • You communicate clearly and concisely, both orally and in writing

What can you expect from us?

  • Unique experience in a rapidly scaling VC-backed start-up environment
  • High degree of autonomy and a chance to work on potentially world-changing technology that can be a game changer to a range of industries and a key enabler for the energy transition
  • A total of 10% (on top and based on your monthly gross salary) will be paid by LeydenJar for pension and other insurances)
  • You get 25 days of vacation per year (based on 40 hours working week)
  • NS Business Card or reimbursement of 0.21 euro per km for commuting
  • Access to OpenUp mental health platform
  • Regular progress talks and support to reach your career goals
  • Great colleagues; at LeydenJar you will be part of a multi-national, ambitious, innovative and entrepreneurial team/20+ different nationalities!/
  • Thirsty Thursday – we have drinks every first Thursday of the month
  • We host internal FUN events each year and offer personal development perks.
  • We have fresh fruit delivered every Monday in both locations /Leiden and Eindhoven/

Do you want to take on the challenge as HSSE Engineer?

We are looking forward to your application!

If you'd like to learn more about LeydenJar amazing team, see below:

At LeydenJar we value diversity, and we provide equal opportunities to all applicants without regard to race, color, ethnicity, religion, gender, pregnancy/childbirth, age, national origin, sexual orientation, disability, etc. If there are two or more applicants of equal suitability for a certain position, LeydenJar can under circumstances decide to select applicants based on positive discrimination in full compliance with all relevant and applicable law.