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Symphonics job offers.
Join us for an enriching experience in an innovative company, where your ideas will have a real impact on the energy transition!
Join a company that connects passions for smarter energy.
As part of the company's rapid development, we are looking for new talent to join our team. Find out more about Symphonics job offers.
Business Developer (M/F) – Procurement
About Symphonics
⚡Symphonics, a comprehensive provider of energy aggregation, flexibility, and supply services, is committed to aligning the interests of consumers with those of the power grid, while reducing CO2 emissions caused by electricity consumption.⚡
Specifically, our platform manages more than 400,000 production, storage, and consumption facilities to monetize them on the energy markets.
SYMPHONICS is currently experiencing rapid growth and aims to become a key player in the European markets (currently France, Spain, and Portugal) and to become an integral part of the energy value chain.
As part of our rapid growth, we are looking for a Business Developer for the Supply Chain – M/F.
Information
Location: 18bis rue Molitor, 75016 Paris
Start date: ASAP
Responsibilities
Design, structure, and promote energy supply solutions tailored to the needs of B2B customers, taking into account the specific characteristics of the electricity markets (prices, mechanisms, risks).
- Design and structuring of proposals
- Identify and analyze the customer's needs (consumption profile, constraints, energy strategy) and facilities
- Developing supply offerings (fixed-price, indexed, and structured products)
- Integrate market mechanisms (capacity, guarantees of origin, flexibility)
- Define pricing and hedging assumptions
- Expand the customer base
- Participate in the bidding process
- Develop commercial proposals (pricing, structure, contract terms, etc.)
- Lead negotiations on technical and economic issues
- Secure supply contracts and build long-term, trusting relationships with customers
- Track customer satisfaction and identify cross-selling opportunities (flexibility, services, etc.)
- Serve as a trusted advisor to clients
- Optimization and Innovation
- Develop new offerings (green energy, self-consumption, flexibility, storage)
- Identify value-creation drivers (capacity market, balancing mechanisms, etc.)
- Improving pricing tools and methods
- Internal interface
- Work closely with the trading, risk management, and operations teams
- Ensure consistency between the product offering and market constraints
Profile
Bachelor of Engineering with 2 to 3 years of experience 2 to 3 years of experience in energy supply, pricing/bid structuring, or a related field (trading, energy consulting)
- Skills
- Ability to explain complex topics in simple terms to non-experts
- B2B business development, ideally in the energy, utilities, or complex services sectors
- A solid understanding of electricity markets (spot, forward, and regulated markets)
- Understanding of economic structuring (pricing, margins, risks)
- Personal qualities
- Rigor and analytical thinking
- Ability to synthesize information
- Interest in technical and market-related topics
- Strong interpersonal skills (internal teams and clients)
Advantages
● Opportunity for rapid advancement within a rapidly growing company.
● Competitive compensation based on your experience and skills.
● Stimulating and innovative work environment.
● BBQ as soon as the sun comes out!
How to apply
M/F Energy Engineer – Market Operations
Internship – 6 months
Information
- Duration: 6 months
- Location: 18bis rue Molitor, 75016 Paris
Responsibilities
Under the supervision of our Market Operations Manager, your role will be highly cross-functional.
⚙️ Operations
1- Monitoring of the portfolio of erasable sites (certification of sites, monitoring of erasure potential, monitoring of performance indicators).
2- Operational management of purchases/sales of Symphonics assets on the markets.
3- Participate in the strategy for valuing load shedding assets and deploying them on short-term electricity markets.
🛠️ Development
4- Creation of operational management tools (dataviz, process optimization, etc.)
5- Contribute to the IT development of the Symphonics platform by reporting the needs of the markets team (drafting technical specifications, business recipes, etc.).
6- Market back-office creation and automation
✍️ Studies
7- Various market studies on new sources of value (aFRR, ACC, AO Local flexibilities, ...)
8- Involvement in regulatory monitoring of market mechanisms (NEBEF, MA, capacity markets) and participation in lobbying actions to develop the low-carbon flexibilities sector.
9- Participate in technical and regulatory exchanges with RTE and Enedis.
Profile
First internship experience in the energy field, you have knowledge of or a strong interest in energy, or the related ecosystem (electricity transmission and distribution networks, energy markets, etc.).
You enjoy working within a small structure and have good interpersonal skills as well as the ability to work independently. You are proactive and able to summarize results.
An interest in modeling and data analysis is an additional asset.
The benefits
- Attractive remuneration based on your experience and skills.
- Stimulating and innovative work environment.
- BBQs as soon as the sun comes out!
How to apply
Send your best CV and cover letter : tanguy@symphonics.fr
With the following subject line:
M/F Internship - Energy engineer - Market operations
Data Scientist (M/F)
Information
- Duration: at least 5 months
- Start date: September 2026
- Location: 18bis rue Molitor, 75016 Paris
Responsibilities
Under the guidance of our Lead Data Scientist, your responsibilities will include:
- Data ingestion and preparation: Assisting with the acquisition, cleaning, and transformation of data from various external sources (energy, weather, etc.) to make it ready for analysis.
- Data Analysis: Conduct analyses to evaluate our operations and improve our processes.
- Modeling: Develop and maintain predictive models to estimate, among other things, electricity generation, storage, and consumption, as well as photovoltaic generation.
- Reporting: Build dashboards to easily visualize the results of our estimates.
Technical stack
- Infrastructure deployed on Google Cloud Platform (GCP)
- Databases: PostgreSQL, BigQuery
- Data/AI Stack: Python, Vertex AI, LightGBM, XGBoost, scikit-learn, Looker Studio
Profile
With a bachelor’s or master’s degree (engineering or equivalent), you are looking for an internship of at least 5 months in the field of data science.
You have a solid foundation in Python and SQL, as well as knowledge of machine learning.
You enjoy working in a small organization where initiative and autonomy are highly valued.
The benefits
- Opportunity for rapid advancement within a fast-growing company
- Competitive compensation based on your experience and skills
- BBQs as soon as the sun comes out!
How to apply
Please send your best resume and cover letter to: emmanuel@symphonics.fr
With the following subject line:
M/F Internship – Data Science
Symphonics job offers
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