LCA Specialist

About the Team & Role
STX is looking for an LCA specialist who can help the company strengthen its current business and explore new opportunities. The role includes supporting CI modelling, providing clear CI estimations of new projects, performing due diligence activities and calculations, and staying up-to-date on the (updated) calculation standards of the different compliance markets (RED, LCFS, CFR, etc.).

You will be joining a centralized sustainability team in a highly dynamic company, always looking for exciting renewable energy and fuel opportunities to further shape this market. Ideally, your location can be either US (Houston or New York) or Europe (Amsterdam), as you will be supporting a wide range of projects that take place across the globe, but we are happy to discuss other (remote) locations.

Key Responsibilities

Commercial support :
Create, run and review LCAs/CI models, engage clients for data collection, and lead due diligence for RNG/biofuel offtakes across compliance markets.

Compliance & audit :
Prepare CI calculations for verification and submissions (ISCC, LCFS, CFR, EU RED) and flag risks to ensure timely delivery.

Process ownership :
Coordinate across teams, manage core modelling work, and ensure deadlines are met.

Quality & governance :
Improve consistency in modelling, validate CI calculations, and act as an additional due diligence layer.

Internal expertise :
Serve as the go-to for LCA/GHG topics, communicate insights clearly, and execute lifecycle modelling (e.g., GREET, openLCA).

Key Requirements

3–7 years of experience in LCA within renewable energy/biofuels, with hands‑on experience in energy product modelling under compliance/incentive schemes.

Strong knowledge of EU RED GHG calculations and tools (e.g., GREET, openLCA), plus familiarity with ISCC PLUS/RSB and GHG accounting frameworks.

Analytical capability:
Able to run LCAs independently and translate results into actionable, tradeable insights (incl. counterfactuals such as land‑use change and avoided emissions).

Ways of working:
Self‑sufficient, proactive communicator who can operate independently and collaborate effectively.

Nice‑to‑have strengths:

Experience with CI optimisation alongside developers, regulatory awareness, strategic mindset, and access to an expert network for validation.

Compensation and Benefits

Competitive remuneration package

Pension scheme contributions

Strong focus on personal and professional development

Sport and training opportunities

Assistance with relocation to the respective office location

Diversity Statement
We encourage and welcome applications from candidates of diverse backgrounds, experiences, and perspectives to enhance our team and contribute to a more inclusive work environment. Diversity, inclusion, and belonging are part of our everyday work culture, ensuring employees feel welcomed and build meaningful connections.

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