Simulator Software Engineer (Space)

Location: Bremen, Germany. Flexible working arrangement balancing remote and on-site work.

Company

OHB System AG is a European space company developing high-tech solutions for satellites, human space flight, aerial reconnaissance, and related space systems as part of hirify.global.

What you will do

• Design and develop satellite simulators, including models of satellite equipment and the space environment.
• Enhance simulation frameworks, user interfaces, testing tools, and debugging tools.
• Contribute to requirements, architecture, implementation, testing, integration, and documentation across the full software lifecycle.
• Collaborate with customers and internal software teams on system design, reviews, and simulator delivery.
• Support mission teams during mission preparation and the operational and maintenance phases of simulators.
• Share knowledge and contribute to a collaborative engineering culture.

Requirements

• Degree or PhD in Computer Science, Electrical Engineering, Aerospace Engineering, or a comparable qualification.
• Experience with modern C++ and ideally Python or similar languages.
• Familiarity with Linux as a development environment, frameworks such as Qt, and modern CI/CD tooling.
• Strong communication and collaboration skills, with the ability to work effectively in multidisciplinary teams.
• Fluency in spoken and written English.

Nice to have

• Experience with ECSS-SMP tools and environments and software standards such as ECSS or DO-178.
• Previous experience in the space sector, particularly ground station software.
• Experience developing embedded, safety-critical, or mission-critical software.
• Knowledge of on-board communication protocols such as Ethernet, SpaceWire, SpaceFibre, or CAN.
• Experience with digital twins, MBSE workflows such as SysMLv2, distributed or federated simulation using HLA, or co-simulation.
• Experience with network simulation tools such as ns-3, OMNeT++, or containerlab.

Culture & Benefits

• Flexible working hours, sabbatical options, 30 days of vacation, and special leave days.
• Structured onboarding with a buddy during the first months.
• Training courses, individual professional development, German language courses, and an annual employee dialogue.
• 13th monthly salary, accident insurance, company pension plan, health promotion, and sports programs.
• Kindergarten support, childcare options, paid child sickness days, subsidized Deutschland ticket, job bike, and parking.
• Company restaurant, meal subsidy, company events, satellite launch events, an employee suggestion system, and free research and development.

Hiring process

• Applications are accepted in German or English through the online application tool.