Purpose of the Role
Scientist – Semi-Solid-State Batteries
Function / Department:
Technology / Cell R&D
Location:
Oxford, Milton Park (UK-based)
Reporting to:
Principal Scientist
Line Management Responsibility:
None
Financial Responsibility:
None
Powering a Sustainable Future – Together
At
Agratas
, we're more than a battery company – we're pioneers building the next generation of energy solutions for mobility and energy storage. A wholly owned subsidiary of
Tata Sons
, we combine bold ambition with global backing to drive innovation in lithium-ion battery technology.
At our brand-new, state-of-the-art
Cell R&D facility in Oxfordshire
, we're assembling a world-class team to deliver tomorrow's battery breakthroughs – today. As we continue to grow, we're looking for a
Scientist – Semi-Solid-State Batteries
to join our
Fundamental Research Team
.
About The Role
As a
Scientist
in our Cell R&D function, you'll play a vital role in the research and development of
Semi-Solid-State
and
All-Solid-State Battery (ASSB)
technologies. From novel materials to cell design and prototyping, you'll help push the boundaries of what's possible in battery performance, safety, and scalability.
This role is ideal for a passionate, pragmatic researcher who thrives in a collaborative, high-impact environment and wants to see their work move from the lab to the real world.
Key Responsibility Areas
* Develop, validate and benchmark critical SSSB/ASSB cell components, including catholytes, anolytes, additives, high-capacity active materials, and separators.
* Assemble R&D-scale SSSB/ASSB cells and perform electrochemical testing to analyse performance impacts.
* Collaborate across Cell R&D teams to evaluate components at material, electrode, and full-cell levels.
* Analyse experimental data, document insights, and communicate findings clearly.
* Support the daily operation and maintenance of dry, wet, and analytical laboratories.
* Operate and maintain benchtop prototyping lines for Cell R&D.
* Drive the scale-up of innovative concepts into multi-layer pouch cells.
What You Bring
Required Experience & Skills
* 3–5 years of hands-on research experience in SSSB/ASSB development.
* Strong skills in cell design, prototyping, and electrochemical testing.
* In-depth understanding of materials chemistry, interface science, failure modes, and suppression strategies.
* Solid knowledge of materials science, analytical methods, and lithium-ion cell systems.
* Understanding of battery electrochemistry.
Ideal Background
* Graduate degree (PhD/MSc) in materials science, chemistry, or electrochemistry.
* Industry experience with leading battery developers or manufacturers is a strong plus.
Why Join Agratas?
This is more than just a job – it's your chance to shape the future of energy.
At Agratas, You'll Be Part Of
* A fast-growing business backed by the scale and stability of Tata Sons.
* A purpose-driven team that values impact, ownership, and excellence.
* An inclusive, high-trust culture where you can be your authentic self.
* A company where innovation meets real-world application.
We offer
competitive compensation
,
flexible banding for exceptional talent
, and
clear progression opportunities
– all within a dynamic, mission-led organisation.
Be part of something big. If you're ready to make a real impact in the energy transition, we want to hear from you.
Agratas is committed to creating an inclusive workplace. We welcome applications from all backgrounds and identities. If you need any accommodations during the recruitment process, please contact our Talent Acquisition team.