Electrical Power Subsystem 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.

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

Electrical Power Subsystem Engineer (m/f/d)

As Electrical Power Subsystem Engineer, you will take technical ownership of the EPS for satellite projects, from early design through to in-orbit commissioning. You will define, design, and optimize power architectures, ensuring reliable generation, storage, and distribution across the spacecraft. You will perform sizing and trade-offs for key elements such as solar arrays, batteries, and power conditioning & distribution units, translating system requirements into robust subsystem solutions. Working closely with system engineering, project teams, customers, and subcontractors, you will drive interface definition, design alignment, and technical decision-making. You will lead EPS-related reviews, contribute to system-level design activities, and manage subsystem documentation and verification. In addition, you will support proposal activities, assess subcontractor solutions, and contribute to testing and validation to ensure flight-ready performance.

Your Tasks

• Take technical responsibility for the Electrical Power Subsystem (EPS) across all project phases — from pre-development to in-orbit commissioning
• Act as EPS design authority towards customers and subcontractors
• Design, size, and optimize satellite power subsystems (solar arrays, batteries, PCDU, SADM), including trade-off analyses
• Assess and evaluate EPS concepts during feasibility and pre-development studies
• Analyze system requirements and derive subsystem-level requirements
• Define and maintain specifications for EPS units and equipment
• Support Phase B/C/D proposal activities, including evaluation of subcontractor solutions
• Produce and maintain EPS design, analysis, and verification documentation
• Lead EPS-related design reviews and contribute to system and subsystem reviews
• Collaborate with project teams, system engineering, and other disciplines
• Define and support verification and testing activities, including on-site test support

Your Qualifications

• Degree in electrical or aerospace engineering (or comparable qualification)
• Experience in satellite Electrical Power Systems (Phase B/C/D) or in electrical power equipment development is a plus
• Strong communication skills and ability to work effectively with customers and subcontractors
• Structured, proactive, and able to work both independently and within cross-functional teams
• Comfortable working in large, multidisciplinary projects
• Flexible and willing to travel

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
• 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

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