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
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Act as EPS design authority towards customers and subcontractors
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Design, size, and optimize satellite power subsystems (solar arrays, batteries, PCDU, SADM), including trade-off analyses
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Assess and evaluate EPS concepts during feasibility and pre-development studies
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Analyze system requirements and derive subsystem-level requirements
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Define and maintain specifications for EPS units and equipment
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Support Phase B/C/D proposal activities, including evaluation of subcontractor solutions
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Produce and maintain EPS design, analysis, and verification documentation
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Lead EPS-related design reviews and contribute to system and subsystem reviews
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Collaborate with project teams, system engineering, and other disciplines
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Define and support verification and testing activities, including on-site test support
Your Qualifications
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Degree in electrical or aerospace engineering (or comparable qualification)
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Experience in satellite Electrical Power Systems (Phase B/C/D) or in electrical power equipment development is a plus
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Strong communication skills and ability to work effectively with customers and subcontractors
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Structured, proactive, and able to work both independently and within cross-functional teams
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Comfortable working in large, multidisciplinary projects
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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 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
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 can be found here on our website.
