Applied Mathematics & Scientific Computing Engineer (m/f/d)

OHB System AG – We.Create.Space

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 3,200 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.

Permanent employment in Bremen.

Applied Mathematics & Scientific Computing Engineer (m/f/d)

Do you want to bring your mathematical and coding skills into space? The Propulsion & Environment Analysis Team at OHB is looking for an engineer passionate about applied mathematics, scientific computing, and the design of space systems. In this role, you will develop advanced simulation tools, create and refine models, and apply them to OHB various exciting space projects (around Earth, Mars, Moon, Venus, Comets, Asteroids and many more). The tools and analyses you build will directly influence spacecraft design, contamination control, and propulsion systems, while supporting both internal teams and external partners. Join us and put your mathematics into orbit.

Your Tasks

• Shape and enhance our simulation environment in Python by
  • Designing mathematical models and integrating them into our core tools
  • Developing, testing, and verifying algorithms (tools of interest: openPlume, openAtoX, openContam)
  • Training internal and external users to master these tools
• Explore and integrate new approaches such as Large Language Models (LLMs) and AI-based methods to accelerate and enhance our simulation workflows and user support
• Apply your models to real OHB space projects, in areas such as:
  • Space environment analysis (contamination, venting, Atomic Oxygen)
  • Propulsion plume simulations (chemical and electric)
  • Communication of results to internal and external clients
  • Publication of significant work in conferences

Your Qualifications

• Master’s degree in applied mathematics, physics, aerospace engineering, or a related field
• Strong scientific programming skills (Python preferred)
• Knowledge of meshing or visualization tools (e.g., Salome, gmsh, ParaView) is a plus
• Analytical mindset, adaptability, and problem-solving drive
• Excellent communication skills and fluency in English

We offer

• Work Life Balance: Flexible working hours, sabbatical, 30 days vacation & special leave days
• Mobile Work: Hybrid work & mobile work abroad
• Structured onboarding 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
• Additional benefits: 13th 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