Java software engineer Jobs in Bremen

OHB System AG –

OHB System AG is one of the leading space companies in Europe. The company is part of the listed high-tech group OHB SE, which has more than 4,100 employees working on pivotal European space programs. With two strong locations in Bremen and Oberpfaffenhofen near Munich and more than 40 years of experience, OHB System AG specialises in high-tech solutions for space. These include low-orbiting and geostationary satellites for Earth observation, navigation, telecommunications, science and space exploration as well as systems for human space flight and aerial reconnaissance. We owe our success to our employees' passion for innovation, as well as their commitment and initiative.

For permanent employment OHB System AG in Bremen is looking for a

Requirements Engineer & Software Engineer (m/f/d)

On-Board Software and System Requirements It is not only your code that flies with us. Your requirements take off too! We develop the next generation of communications and on-board software for satellite constellations. In doing so, we combine precise, model-based requirements engineering with modern embedded software development. Your profile bridges both disciplines: you develop requirements for complex avionics and communications systems and implement them in software yourself. We are looking for requirements engineers with a solid embedded software background who enjoy systems thinking and structuring complex topics, while also taking a hands-on approach to implementation.

Your Tasks

Requirements Engineering and Systems Engineering

• Specify, structure, and maintain software and system requirements for satellite control software
• Create and maintain interface, operational, and software requirements in accordance with ECSS standards
• Collaborate closely with avionics, systems, and software teams
• Contribute to architecture definitions covering data flows, on-board communication paths, protocols, and real-time mechanisms

Software Development

• Develop embedded software for satellite on-board systems using C/C++ or Rust
• Implement robust communication stacks and on-board protocols
• Contribute to test, validation, and verification strategies for space software
• Integrate modern engineering practices, including CI/CD, static analysis, and automated testing
• Support reviews and the preparation of compliance evidence in accordance with ECSS standards

Your Qualifications

• Experience in requirements engineering or systems engineering, for example with DOORS, Polarion, or SysML
• Sound knowledge of embedded software development using C/C++ and/or Rust
• Understanding of real-time systems, deterministic behaviour, and resource-constrained environments
• Knowledge of on-board communication standards such as SpaceWire, CAN, Ethernet, and serial protocols
• Experience in regulated development environments, for example under ECSS standards
• Very good command of English is mandatory
• Knowledge of German is an advantage
• A structured way of working, strong communication skills, and enthusiasm for space and a passion for your work

Nice to haves

• Experience with model-based systems engineering, including SysML, Capella, or other MBSE methods
• Experience with Rust or an interest in memory-safe systems programming languages
• Knowledge of LEON processors, ARM (Zynq/Versal), RISC-V, or other space-grade systems-on-chip
• Experience with static analysis, fuzzing, or property-based testing
• Contributions to technical guidelines or open-source projects

We offer

Work Life Balance: Flexible working hours, sabbatical, 30 days vacation & special leave days Mobile Work: Flexible working arrangement balancing remote and on-site work Structured on-boarding process (incl. Assignment of a buddy in the first months) Development: Extensive range of training courses, individual professional development, German language courses & annual employee dialogue space projects Additional benefits: 13. monthly salary, accident insurance & company pension plan Catering: High standard company restaurant & generous meals subsidy Active health promotion: Health management, E-GYM Wellpass & In-company sports groups Family: Kindergarten subsidy / Kindergarten places, Childcare in the vacation period & paid child sickness days Mobility: Subsidized Deutschland ticket, Job bike & parking lots Company parties & events: Christmas party, Satellite launch events, NextGen Speakers Night Innovation: Company suggestion system & free research and development

A complete overview of our benefits and more details .

Become part of our international team and take your professional and personal development to a new level. Don't fulfil all the requirements? No problem - we are happy to receive applications with partial matches! We are looking forward to your application in German or English via our online tool.

OHB System AG
Human Resources

Questions regarding this posting? Sven Friedrich is available under ­.