Scientist - Gas Fermentation

Again

Again

Posted on May 7, 2026
Fermentation · Copenhagen

Scientist – Gas Fermentation

About Again

At Again, we are advancing a new industrial era. AI-powered biocatalysts. No oil. No sugar. By combining millennia-old bacteria with cutting-edge technology, we turn waste gases into the products that matter.

We have raised over $100m in funding from both top investors such as Google Ventures or HV Capital, and leading grant funding programmes such as European Union’s Horizon 2020. We are a growing team of experienced scientists, engineers and entrepreneurs from the DTU, Stanford, MIT (and more) who are passionate about revolutionizing the chemical industry.

We are leading the positive shift. Showing people that our world does have a future. If you think we're doomed – think Again.

What you’ll do

Together with the Fermentation team you will drive the optimization and upscaling of our CO2-to-chemical process. Your work will be pivotal in making our process the go-to technology for green chemical manufacturing.

Responsibilities

  • Running continuous gas fermentation processes at laboratory scale

  • Formulating strategies for optimizing and upscaling the process from lab-scale to commercial scale

  • Improving the understanding of the process by statistical-enabled experimental design and data analysis

  • Coordinating collaborations with the other teams, contract research organizations, and project partners

  • Processing, reporting, and presenting results

  • Developing standard operating procedures

  • Providing guidance and coaching to interns and operators

  • Contributing to patent filing

Job Requirements

About you

Minimum Requirements

  • Hands-on experience with gas fermentation

  • 2 years of experience in fermentation

  • Practical experience with microbial cultivation and fermentation

  • Relevant education (PhD degree or MSc with subsequent work experience) in Biotechnology, Chemical Engineering, Biochemistry, Biology or a related field

  • Proven ability in interpreting scientific data

  • Solid understanding of statistics

  • Getting-things-done attitude

  • An open-mind and positive attitude to achieve results as a team

Preferred Requirements

  • Expertise with scale-up of fermentation processes

  • Experience with cultivation of non-standard microorganisms

  • Understanding of microbial physiology and metabolism

  • A knack for meaningful data visualization

  • Experience with (online) gas analysis

What we promise you:

  • You get to work with a group of passionate scientists, engineers and entrepreneurs working on challenging and meaningful projects

  • This will be the journey of a lifetime – we are pioneering a new era of industrial manufacturing using biotech to make clean and resilient supply chains, and you can play a pivotal role in making that happen

  • We live by our company values: Relentless Grit, Unreasonably Ambitious, Unconventional Thinking, Critical Urgency

  • An engaging, empowering and ambitious work environment

  • We understand that relocating can be a hassle, so if you don't live in Denmark, we will help out to give you a smooth transition

If you have questions regarding the role, we would love to hear from you. Feel free to reach out at careers@again.bio. We look forward to hearing from you.

Department
Fermentation
Role
Fermentation Scientist
Locations
Copenhagen
Fermentation · Copenhagen

Scientist – Gas Fermentation