# Internship opportunity: energy systems modelling with Julia at OECD-NEA, Paris area

**URL:** https://discourse.julialang.org/t/internship-opportunity-energy-systems-modelling-with-julia-at-oecd-nea-paris-area/137924
**Category:** Jobs
**Tags:** jobs, optimization, energy
**Created:** [July 3, 2026, 2:30pm UTC](https://discourse.julialang.org/t/internship-opportunity-energy-systems-modelling-with-julia-at-oecd-nea-paris-area/137924 "2026-07-03T14:30:15Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Guillaume](https://avatars.discourse-cdn.com/v4/letter/g/c67d28/32.png) [@Guillaume](https://discourse.julialang.org/u/Guillaume)
#### Post date: [July 3, 2026, 2:30pm UTC](https://discourse.julialang.org/t/internship-opportunity-energy-systems-modelling-with-julia-at-oecd-nea-paris-area/137924/1 "2026-07-03T14:30:15Z")

</div>

**Internship opportunity: energy systems modelling with Julia at OECD-NEA, Paris area**

The **OECD Nuclear Energy Agency** is looking for an intern to work in the Division of Nuclear Technology and Economics on **system costs modelling**.

Recent OECD-NEA work in this area includes this report on least-cost capacity mixes for decarbonized electricity systems in Sweden:

> **[A Least-cost Capacity Mix to Satisfy Growing Electricity Demand without...](https://www.oecd-nea.org/jcms/pl_116142/a-least-cost-capacity-mix-to-satisfy-growing-electricity-demand-without-carbon-emissions-in-sweden?details=true)**
>
> Sweden faces the largest transformation of its energy system in modern history as it aims for net zero energy emissions and increased energy security, while electrification is expected to double electricity consumption by 2050. An NEA system cost...

This work uses **Nosy.jl** , our energy systems optimization toolkit developed in Julia:

> **[GitHub - oecd-nea/Nosy.jl: Composable energy system modeling toolkit...](https://github.com/oecd-nea/Nosy.jl)**
>
> Composable energy system modeling toolkit developed at the OECD Nuclear Energy Agency.

The goal of the internship is to **benchmark Nosy against other energy systems models** , comparing modelling approaches, assumptions, outputs, and computational performance.

### Profile sought

We are looking for someone who:

- has experience in **energy systems modelling** ;

- has a good understanding of **linear optimization** ;

- has experience with **Julia** - this is required;

- has experience with **Python** - this is a plus;

- is interested in electricity systems, capacity expansion, system costs, and low-carbon energy transitions.

### Location and conditions

- Duration: **6 months**.

- Location: **Boulogne-Billancourt** , Paris area, accessible by metro and bus from Paris.

- Hybrid work is possible, fully remote is not possible.

- Stipend: **€1,000/month**.

### Application / contact

Interested candidates can contact me directly for further details:

Guillaume Krivtchik  
[guillaume.krivtchik@oecd-nea.org](mailto:guillaume.krivtchik@oecd-nea.org)