Hey, we are just looking for you!Are you curious to peek behind the curtains of the biggest interdisciplinary project at the HTW Berlin? Do you want to meet friendly and motivated students and exchange your ideas with them? Or perhaps you're interested in dipping your toes into the world of greenBEAR's work to see if it's the right fit for you?Whether it's about technical know-how, finances, sponsorship, events & logistics, media & PR, electronics, or any other aspect - we come together as a team from various disciplines and backgrounds to create the fastest cars on earth!If you want to get to know us better and become a BEAR, feel free to click the Link or the picture and tell us more about you.

• Get To Know More!

• >>Recruiting<<

It's getting hot, but please don't let any sparks fly!
Are you full of drive and keen to develop the car's drivetrain and optimize it in a parameterized interaction of inverters and motors so that the wheels get going? In the HV assemblies, you will ensure that our high-voltage system works safely and efficiently. The Tractive System Accumulator Container (TSAC), which contains the battery and combines the electrical and mechanical systems, forms the heart of the high-voltage system.

Your possible tasks:

● Design, production and optimization of the TSAC
● Programming the software for monitoring the HV battery
● Dealing with inverters and motors
● Development of printed circuit boards (circuit diagrams and layouts)

What will you learn with us?

You will learn how to develop powerful high-voltage systems by studying the interaction between battery, inverter and motors. You will gain a deep understanding of design and manufacturing processes as well as the monitoring of high-voltage systems.

Low tension, but a lot of fun while puzzling!
The development of our hardware, the printed circuit boards (PCBs), is the order of the day at LV assemblies. You optimize circuit diagrams and the associated layouts. The integration of sensors to measure selected chassis elements may also be part of your area of responsibility. Of course, the implementation of the shutdown circuit is also a must: The safety system, consisting of switches and sensors, which reliably shuts down our racing car.

Your possible tasks:

● Development of printed circuit boards (circuit diagrams and layouts)
● Selection of sensors
● Optimization of our existing electrical system
● Manufacturing: Soldering of printed circuit boards

What will you learn with us?

Here you will learn how to plan and coordinate complex electrical systems - both on a small scale, such as printed circuit boards with their SMD components, and on a large scale, such as larger level, such as CAN bus communication through the entire race car. You will learn the basics of soldering techniques and apply this knowledge practically to bring our circuit boards to life. You will also be introduced to the world of safety systems and understand how to implement a reliable shutdown system for critical situations.

This is not a tangle of cables - this is neatly planned chaos!
In the wiring harness, you use software to plan all the electrical cables and lay them in a 3D mock-up of the racing car so that the power and signals later flow exactly where they are needed. This includes grounding and shielding concepts as well as the selection of suitable
connectors. The manual production of the wire harness involves precision work such as crimping the cables, soldering connections and pinning the connectors.

Your possible tasks:

● Planning the wiring harness using software
● Dealing with grounding and EMI
● Research on connectors
● Manufacturing: Crimping, soldering and pinning of connector

What will you learn with us?

You will learn how to plan, lay and manufacture a wire harness in an efficient and structured way to ensure optimum power and signal distribution within the racing car. You will also deepen your knowledge of EMC and the details of connectors and learn the basics of crimping techniques from a practical perspective.

Whoever has the data wins - or at least you know what went wrong!
However, as a relatively new assembly group, this area is essential! Here you will work with wireless protocols and databases, select our appropriate logging method, parameterize our monitoring system and analyze vehicle data so that we can learn from every mistake and optimize our racing strategy.

Your possible tasks:

● Software development (Linux, Web and MQTT)
● Deployment of self-developed apps
● Data analysis on the CAN-bus

What will you learn with us?

You will learn how to implement communication protocols and data logging systems to monitor and analyze vehicle data in real time. You will gain insights into software development and data-based optimization of the racing strategy.

For the softies among you - here you can teach the hardware what to do!
You will program our STM32 microcontrollers in C++, flash the programs on our self- developed circuit boards and ensure that everything runs reliably. You will write software for the controller and work intensively with the CAN protocol. To manage and store your programs, Git is the way to keep your status up to date and simplify teamwork.

Your possible tasks:

● Programming under C++Writing control software
● Dealing with the CAN protocol
● Performing firmware updates

What will you learn with us?

Here you will deepen your knowledge of C++ programming and micro controller control and learn how to develop robust and reliable firmware for racing cars. In addition, you will gain a deep understanding of the CAN protocol and experience how software controls the interaction of all systems.

Design the basis of our racing car with us - from the structure to the materials. We design and manufacture our carbon fiber monocoque, work with cutting-edge composite materials and conduct tests to ensure strength and safety. We focus on reliability to guarantee the best possible performance in every racing situation.

Your possible tasks:

● Construction and design of the monocoque
● Selection and processing of composite materials
● Planning and execution of strength and laminate tests
● Optimization of structural integrity and manufacturing processes

What you learn with us:

You will learn how to work with composite materials and use them for maximum efficiency and stability. You will gain insights into carbon fiber manufacturing technologies and learn how to perform tests to ensure the strength and quality of the material.

Work with us to ensure that our vehicle masters every bend with precision.
We develop innovative wishbones, damping and suspension systems as well as precise steering to guarantee optimum handling and outstanding stability. We also optimize the cooling system to ensure efficiency and performance at high speeds and in demanding track conditions.

Your possible tasks:

● Construction and design of wishbones, damping systems and steering systems
● Development and coordination of the suspension systems
● Carrying out simulations to analyze driving dynamics
● Analysis of vehicle data to fine-tune chassis performance

What you learn with us:

You will learn the basics of the vehicle dynamics design and how to develop and tune complex systems such as suspension, steering and damping. You will also gain insights into data analysis in order to optimize vehicle handling.

Develop what moves our vehicle and brings it to a standstill.
We choose the right tires, develop the wheel assemblies and ensure that our car brakes safely and in a controlled manner with a powerful braking system. We also optimize the cooling system to ensure efficiency and performance at high speeds and in demanding track conditions.

Your possible tasks:

● Selecting and testing tires for different conditions
● Construction and design of the wheel bodies
● Development and integration of a high-performance braking system

What you learn with us:

You will learn about various aspects of vehicle dynamics and understand how different components interact to optimize overall performance. You will gain insights into the selection of materials and systems that are important for chassis development, as well as methods for improving stability and handling.

Ensure the right airflow and keep temperatures under control.
We design and test aerodynamic components to minimize drag and maximize down force. By using simulation techniques, we optimize the performance of our vehicle to ensure the best possible efficiency in every racing situation.

Your possible tasks:

● Drafting and designing aerodynamic components
● Carrying out CFD analyses to optimise flow control and contact pressure
● Designing CFRP components with a focus on lightweight construction

What you will learn with us:

You will learn how the shaping of vehicle components reduces drag and increases downforce. You will also learn the basics of using Computational Fluid Dynamics (CFD) to analyse and optimise the performance of aerodynamic designs.

Protect the driver and make the cockpit ergonomic and safe.
Our aim is to provide the driver with the best possible protection and at the same time give them precise control over the vehicle. We are working on safety features such as seat belt systems and firewalls and designing an ergonomic cockpit that also takes into account the integration of electrical components.

Your possible tasks:

● Development and design of security features
● Design of the ergonomic cockpit
● Integration of electrical components and control systems
● Carrying out safety and ergonomics tests

What you learn with us:

You will understand the basics of driver safety and ergonomic design. You will learn how safety systems are integrated and how to ensure that driver and vehicle are optimally matched to prevent accidents and maximize safety.

Make sure that everything runs smoothly.
In the event organization group, we take care of the planning and implementation of events for the team. From internal workshops to major racing events: You organize the processes, find suitable locations and work together with external partners. You will play a key role in
organizing our participation in international competitions and ensure that the team is optimally prepared.

Your possible tasks:

● Planning and realization of events
● Coordination of team members and external partners
● Logistics and scheduling
● Event documentation

What you learn with us:

You will gain insights into professional event planning and management. You will learn how to organize complex events and gain valuable experience in team coordination and dealing with partners.

Keep our budget in balance.
In the Finance team, you will manage our team's budget and ensure financial stability. You will help to draw up strategic financial plans and keep control of our expenditure. Your work helps to ensure that the team is financially sustainable and can take part in competitions.

Your possible tasks:

● Preparation of budget and financial plans
● Management of income and expenses
● Preparation of financial reports and analyses
● Support with fundraising

What you learn with us:

You will learn the basics of financial management in a dynamic team. You will also learn how to plan budgets, prepare financial reports and make strategically important financial decisions.

Present the team in the competition.
In the Statics team, you will prepare the static presentations for competitions such as the business plan, the cost report and the design report. You prepare data and concepts in order to present them convincingly to a jury and represent our team in the best possible way.

Your possible tasks:

● Creation of presentations for static competitions
● Analysis of cost and design data
● Development of business and cost plans
● Training and conducting presentations

What you learn with us:

You will learn how to present technical and economic data in an understandable and convincing way. You will also acquire presentation and structured thinking skills that will benefit you later in your career.

Make sure that we stay on track financially.
In the Sponsoring team, you will acquire sponsors and maintain existing partnerships. You will develop creative sponsorship concepts and ensure that our team receives the necessary financial resources to achieve its goals.

Your possible tasks:

● Acquisition of new sponsors and partners
● Development of sponsoring concepts
● Maintaining existing partnerships
● Negotiation and drafting of sponsorship contracts

What you learn with us:

You will learn the art of negotiating and partner management. You will also learn how to create sponsorship concepts and be trained to communicate professionally with companies.

Show the world who we are.
In the Media team, you take care of the public perception of our team. You create content for social media and our website and document our
events through photos and videos. Your work helps to publicize our team and show our progress.

Your possible tasks:

● Creation of content for social media and website
● Photography and videography at events
● Maintenance and further development of the website
● Creation of graphics and media content
● Creation of advertising material for trade fairs
● Planning and implementation of trade fairs and information stands
● Creation of team wear and merchandise

What you learn with us:

You will be trained in the areas of photography, video production and digital communication. You will also learn how to build and maintain a brand and communicate effectively with the public.

Shape the digital future of our team.
In the IT module, you will ensure that our systems work reliably and securely. You look after our servers, networks and communication systems and ensure that they are available at all times. Whether it's software development, network security or backup management - you keep the digital infrastructure running and support the team in the event of technical problems. You will also work on setting up high-performance systems for simulations and video encoding.

Your possible tasks:

● Management and optimization of the IT infrastructure
● Server and virtualization, network architecture, software development, DNS, certificates, proxy, docker, server hardware, firewall, internet routing
● Support of communication and collaboration tools such as Slack, Email, Drive, Wiki, project management, identity management, authorization management, Gitlab code versioning and CI/CD pipelines, password manager
● Support with technical problems for the entire team
● Install security measures and verify correct use so that all information remains protected
● Regularly renew licenses for the tools used
● Check backups so that all files are available even after a disaster and the team is still able to work
● Servers and systems have to work around the clock and be kept up to date - the team is constantly working on design files, planning events or communicating with sponsors
● Communication and coordination with the HTW IT center and the department admins in order to ensure that internal team projects are professionally and technically secure implementation
● Administration of office computers to ensure that they are always up to date and have the necessary programs installed. If necessary, debugging of operating systems and
analysis of faulty programs
● Set up infrastructure and systems with which video encoding, simulations, renderings or machine learning can be carried out
● Enable live streams at events if required
● Maintain data sovereignty and independence of the team!Be the backbone for the team

What you learn with us:

You will gain insights into the management and optimization of complex IT infrastructures, from networks and servers to security solutions. You will learn how to implement modern tools such as Docker, Gitlab and CI/CD pipelines and how to operate systems securely and efficiently. You will also be trained in the use of communication and collaboration tools and develop an understanding of data security, backup management and the importance of independence in data management. Working with IT experts will give you valuable experience in project management.

On May 23, 2024, a new chapter was written for greenBEAR, we bring the BEAR24 out of hibernation and welcome it to the HTW Berlin campus at Wilhelminenhof!At our very first rollout event, we presented our pride and joy:
our second all-electric race car!We are excited and proud to start this new chapter together!

One Team, one Green, E19!

When? 23. May 2024
reception: starting 05:00pm (building g)
presentation: 06:00pmwhere? H001, htw berlin campus Wilhelminenhof