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Sales Intern (d/f/m)

Join Entrix in Munich as a Sales Intern to support AI-driven battery optimisation. This role involves customer engagement, proposal development, and market analysis. Benefit from team events, meal vouchers, and transport subsidies while contributing to a sustainable energy future.

On-site Internship UTC+01:00 Updated 2 days ago
Salary
From €2,500 /month

Applies on entrix.jobs.personio.de

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Short Facts

Join the market-leader for AI-powered battery optimization and trading, ensuring that energy is stored when it is abundant and released into the grid when it is needed.

To drive the intelligent and sustainable energy future, we need you as a Sales Intern! Support us to maximize our impact by supporting our Sales Team in commercial aspects of our business, acting as an interface to our customers & delivery partners and collaborating closely with our Product team to ensure that the market insights you are gaining are translated into our solution.

  • Location: Munich, Germany
  • Employment Type: Full-Time Internship
  • Department: Commercial Department
  • Language Requirement: C1 Level English and German
  • Working Mode: Office first set-up

Your Responsibilities

As a Sales Working Student/ Intern, you will:

  • Help driving customer acquisition for utility-scale battery storage systems
  • Contribute to the strategic positioning of Entrix's commercial offering in Germany
  • Have hands-on experience with customers - from first meetings to signed contracts and go-live
  • Translate customer needs into structured proposals and offers, working closely with the technical and operations teams
  • Understand project structures, financial expectations, and regulatory contexts to shape attractive business models

Your Profile

We're looking for someone who is deeply proactive and accountable - someone who doesn't just identify problems but owns them, and is energized by bringing clarity and progress to complexity.

Requirements

  • Studying business administration, economics, engineering or similar
  • Previous project, working student or internship experience with energy industry or a dynamic working environment (i.e. startup, VC, consultancy, investment bank)
  • Ability to respond to changing priorities in an evolving business environment and to coordinate multiple projects
  • You enjoy interacting with customers and partners and take pleasure in analyzing and understanding markets thoroughly
  • Excellent communication skills that allow you to effectively bring across complex ideas and concepts
  • You are proficient in English and German (C1/C2 level)

Skills to Set You Apart

  • You enjoy client interactions and you are willing to go the extra mile to find solutions for potential roadblocks
  • You possess an understanding of the German energy landscape, including renewables, grid-scale storage, or power trading
  • You excel working in an early-stage, entrepreneurial environment where building processes, relationships, and value go hand in hand
  • You have excellent analytical skills and master Excel or PPT like a pro
  • You are deeply responsible: when you see a problem, you take ownership and drive toward solutions, rather than waiting to be asked

This role may not be a fit for you if...

  • You prefer roles with limited customer and cross-team interactions
  • You are not comfortable working in a fast-paced, evolving regulatory and technical landscape
  • You are not interested in the energy landscape

At Entrix, we are committed to diversity - of all backgrounds and experiences. You don't need 100% of the preferred qualifications to add incredible value to our team. If you're passionate about what you could accomplish here, we'd love to hear from you.

Your Benefits

  • Wellpass membership: (Company subsidised sports facilities membership) or Public Transportation Subsidy (Monthly subsidy to your public transport ticket)
  • Lunch/Dinner Allowance Vouchers: Allowance for meals on working days as digital meal vouchers
  • Work Equipment: MacBook or Windows Laptop and ergonomic workplace
  • Regular Team Events: Knowledge Sessions, Bi-weekly Breakfasts, Afterwork, Sports, Offsites, etc.

A Short Note from Your Future Lead

Hello future colleague,

We are Christophe, David and Rapha - having unique approaches to sales, each coming from different backgrounds, including top companies like McKinsey, E.ON, and Google. While our professional experiences are varied, we share a common goal: to drive the energy transition, making it smarter and greener for everyone.
We love to create a collaborative, supportive environment where we learn from each other and grow together. Beyond the office, we regularly grab a coffee or take part in team events.

We're excited to welcome new team members who are ready to dive into the business world with us. With us, you'll find mentorship, creativity, and a genuine passion for making an impact in the energy sector. Let's work together to shape the future of energy!

Best,
Sales Team

Your Contact in our People Team

Your contact person is Varsha Singh (Talent Acquisition)
If you have any questions, feel free to send us an email to [email protected]
We are looking forward to receiving your application!

Pay & benefits

From €2,500 /mo
Commuter benefits Meal allowance

About this role

Posted
3 Nov 2026
Updated
3 Nov 2026
Job type
Internship
Workplace
On-site
Sectors
Working hours
UTC+01:00
Experience
Entry level

About Entrix GmbH

Company Overview

Name

Entrix GmbH

Headquarters

Munich, Germany

Founded

2021

Size

Approximately 80 employees (source: pitchbook.com)

What They Do

Entrix GmbH is a Munich-based company specializing in AI-driven software and trading services, focused on optimizing battery storage systems and flexible energy solutions in European electricity markets (source: entrixenergy.com). The company operates as an energy trader and market participant with an emphasis on battery storage optimization rather than generation, maintaining offices in Munich, Warsaw, Milan, and Madrid, and active in Germany, Poland, Italy, Spain, and Portugal (source: entrixenergy.com). Entrix offers a comprehensive range of services including consulting, technical planning and integration, onboarding, continuous optimization, as well as 24/7 operational support, monitoring, reporting, billing, and settlement (source: entrixenergy.com). Its core technological expertise lies in proprietary algorithms, AI-powered trading, battery control, and market-forecast-driven optimization for large-scale storage and hybrid systems (source: blog.entrixenergy.com).

As a flexibility trader and European market leader in trading flexible energy systems, Entrix manages over 4.5 GW and 13 GWh of capacity with 103 battery storage facilities under contract (source: entrixenergy.com). Its client base includes project owners, infrastructure investors, utilities, and other asset holders, featuring notable partners such as Encavis and MEAG (Munich Re) (source: personio.com). Entrix distinguishes itself through an end-to-end service model that combines trading operations, technical integration, and market expertise across multiple European electricity markets (source: entrixenergy.com).

Projects & Track Record

Entrix is recognized as a pioneer in battery optimization in Germany and has been managing one of the country’s first large-scale storage projects since 2022 (source: personio.com). Its portfolio includes over 70 systems, comprising standalone battery storage and solar-coupled storage solutions (source: entrixenergy.com). Contracted capacity reached 3 GW / 8.5 GWh by 2025, with 2 GW expected to be live and operational by 2026 (source: entrixenergy.com).

Key projects include the optimization agreement with Low Carbon for the Przeworsk battery storage project in the Podkarpackie Voivodeship, Poland (source: entrixenergy.com). Additionally, Entrix optimizes and markets a 50 MW / 100 MWh capacity for MW Storage (source: entrixenergy.com). The company’s expansion spans Germany, Poland, Italy, Spain, and Portugal, supported by local teams in each country (source: entrixenergy.com).

Recent Developments

In March 2026, Entrix secured a €43 million funding round involving investors such as Arvantis Group, Allianz X, BNP Paribas Asset Management, Abacon Capital, Enpal B.V., and AENU (source: preqin.com). These funds support the company’s expansion since its founding in Munich in 2021 (source: blog.entrixenergy.com).

By 2025, Entrix reported surpassing 3 GW / 8.5 GWh of contracted battery capacity and managing 103 battery storage facilities (source: entrixenergy.com). The company also expanded its market presence into Spain and Portugal, building on earlier entries into Poland and Italy (source: entrixenergy.com).

Press communications position Entrix as a leading European AI-driven optimizer and trader of battery storage systems, with continuous growth in Europe’s core markets (source: entrixenergy.com).

Working There

Entrix primarily offers technical roles in software development and engineering management, focusing on backend development, cloud platforms, optimization platforms, data integration, battery control, automated trading, as well as billing and settlement (source: personio.com). Positions are based in Munich with an office-first approach and full-time permanent contracts (source: personio.com).

Roles require strong English skills and offer salaries ranging from €95,000 to €135,000 for Senior/Staff Software Engineers and €115,000 to €135,000 for Software Engineering Managers (source: personio.com).

The company culture is highly technology-driven, focusing on scaling a market-leading optimization platform for energy storage (source: personio.com).

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