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ReOrbit

Senior Power System Engineer

ReOrbit

. Analyse mission requirements and define power needs across all mission phases, including payload and propulsion operational modes .

Posted 10/5/2026full-timeHelsinki • FinlandSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in Power Subsystem Architecture, including requirements development, technical documentation, and integration with suppliers. Proficient in managing the full lifecycle of satellite power systems, ensuring effective collaboration across multidisciplinary engineering teams.

Highest-signal resume keywords
Power Systems EngineeringSatellite Power Systems LifecycleTechnical Documentation ManagementCross-Functional CollaborationAnalytical Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Power Subsystem ArchitectureRequirements DevelopmentTechnical AnalysisDesign VerificationAIT ActivitiesEGSE DevelopmentPayload IntegrationPropulsion SystemsBattery ManagementSolar Array Systems
Soft Skills
Clear CommunicationEffective DocumentationIndependent WorkTeam CollaborationAnalytical Thinking
Certifications & Qualifications
Bachelor’s Degree in Electrical EngineeringMaster’s Degree in Aerospace Engineering
Industry Keywords
GEO Space IndustrySatellite PlatformsSubsystem DevelopmentEngineering Change ManagementTechnical Reviews

About the role

Key responsibilities & impact
  • Analyse mission requirements and define power needs across all mission phases, including payload and propulsion operational modes
  • Define the Power Subsystem architecture based on mission analysis and system-level requirements
  • Develop and maintain requirements and specifications for the Power Subsystem, PCDU, Battery Unit, Solar Arrays and SADA
  • Work with suppliers and internal engineering teams on subsystem development and integration
  • Coordinate technical interactions with Battery, Solar Array, PCDU and SADA providers
  • Prepare and review technical documentation based on system architecture, analysis and unit-level specifications
  • Lead and support Power Subsystem AIT activities according to the defined architecture
  • Define and support development and acceptance of EGSE for Power Subsystem AIT
  • Contribute to technical reviews, design decisions and change activities throughout the development lifecycle

Requirements

What you’ll need
  • Bachelor’s or Master’s degree in electrical engineering, aerospace engineering or a related field
  • Minimum of 10 years of relevant experience in power systems engineering
  • Significant professional experience in the GEO space industry, preferably on large satellite platforms
  • Strong understanding of the full lifecycle of satellite power systems, from requirements and architecture through design, development, verification and AIT
  • Strong analytical skills and ability to analyse technical data, derive conclusions and make sound engineering decisions
  • Experience reviewing, managing and approving technical documentation, requirements and engineering changes
  • Ability to work cross-functionally with systems, payload, propulsion, AIT and other engineering teams
  • Experience working with external suppliers, vendors and consortium partners
  • Clear and effective technical communication and documentation skills in English, written and spoken
  • Ability to work independently while contributing effectively to a multidisciplinary engineering team

Benefits

Comp & perks
  • Challenging but rewarding environment
  • Ambitious and supportive network of people
  • Lunch vouchers
  • Events and parties
  • Occupational health care
  • Additional health insurance
  • RunOrbit, climbOrbit, ping pong and board games activities
  • Relocation and integration support into Finnish society
  • Opportunity to be part of a unique and diverse team